Montana Department of Transportation

Malcolm “Mack” Long, Director

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Main Content

Accidents and Incidents Report

Western Montana Zone Forecast

FPUS55 KMSO 250934

ZFPMSO



Zone Forecast Product

National Weather Service Missoula MT

332 AM MDT Sat Sep 25 2021



MTZ001-252200-

Kootenai/Cabinet Region-

Including the cities of Libby and Eureka

332 AM MDT Sat Sep 25 2021



.TODAY...Mostly cloudy in the morning then clearing. Patchy fog

early in the morning. Highs in the mid 70s to lower 80s. 

.TONIGHT...Partly cloudy. Lows in the mid 40s to lower 50s. 

.SUNDAY...Partly cloudy. Highs in the 70s. South winds to 15 mph.

.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. 

.MONDAY...Partly cloudy. A 20 percent chance of rain showers in

the afternoon. Highs in the mid 60s to lower 70s. 

.MONDAY NIGHT...Chance of rain showers in the evening, then rain

showers likely after midnight. Chance of showers 70 percent. Lows

in the 40s. 

.TUESDAY...Rain showers likely in the morning, then chance of

rain showers in the afternoon. Chance of showers 60 percent.

Highs in the 50s to lower 60s. 

.TUESDAY NIGHT...Mostly cloudy with a 30 percent chance of rain

showers. Lows in the upper 30s to mid 40s. 

.WEDNESDAY...Mostly cloudy. Highs in the mid 50s to lower 60s. 

.WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 30s to lower

40s. 

.THURSDAY...Mostly cloudy with a 30 percent chance of rain

showers. Highs in the 60s. 

.THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of rain

showers. Lows in the upper 30s to mid 40s. 

.FRIDAY...Mostly cloudy with a 20 percent chance of rain showers.

Highs in the 60s. 



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MTZ002-252200-

West Glacier Region-

Including the city of Swan Lake

332 AM MDT Sat Sep 25 2021



.TODAY...Mostly cloudy in the morning then clearing. Highs in the

upper 60s to mid 70s. Southwest winds 15 to 20 mph with gusts to

around 30 mph in the afternoon. 

.TONIGHT...Mostly clear. Lows in the mid 40s to lower 50s.

Southwest winds to 15 mph. 

.SUNDAY...Mostly sunny. Highs in the mid 60s to lower 70s. Windy

with southwest winds 20 to 30 mph with gusts to around 40 mph. 

.SUNDAY NIGHT...Mostly clear. Lows in the 40s to lower 50s.

Southwest winds 15 to 25 mph. 

.MONDAY...Mostly sunny. Highs in the 60s. Southwest winds 15 to

25 mph with gusts to around 35 mph. 

.MONDAY NIGHT...Partly cloudy in the evening then becoming mostly

cloudy. A 40 percent chance of rain showers. Lows in the upper

30s to mid 40s. 

.TUESDAY...Mostly cloudy with a 50 percent chance of rain

showers. Highs in the upper 40s to mid 50s. 

.TUESDAY NIGHT...Mostly cloudy with a chance of rain showers.

Slight chance of snow showers after midnight. Chance of

precipitation 40 percent. Lows in the mid 30s to lower 40s. 

.WEDNESDAY...Mostly cloudy. A 20 percent chance of rain showers

in the morning. Highs in the mid 40s to lower 50s. 

.WEDNESDAY NIGHT...Partly cloudy. Lows in the 30s to lower 40s. 

.THURSDAY...Partly cloudy. Areas of frost in the morning. Highs

in the 50s to lower 60s. 

.THURSDAY NIGHT...Partly cloudy with a 20 percent chance of rain

showers. Lows in the upper 30s to mid 40s. 

.FRIDAY...Partly cloudy with a 20 percent chance of rain showers.

Highs in the mid 50s to lower 60s. 



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MTZ003-252200-

Flathead/Mission Valleys-

Including the cities of Kalispell, Polson, and St. Ignatius

332 AM MDT Sat Sep 25 2021



.TODAY...Mostly cloudy in the morning then clearing. Highs in the

mid 70s to lower 80s. Southwest winds to 15 mph in the afternoon.

.TONIGHT...Mostly clear. Lows in the 40s. 

.SUNDAY...Mostly sunny. Highs in the mid 70s to lower 80s.

Southwest winds 15 to 20 mph. 

.SUNDAY NIGHT...Mostly clear. Lows in the 40s. Southwest winds to

15 mph. 

.MONDAY...Mostly sunny. Highs in the upper 60s to mid 70s.

Southwest winds to 15 mph. 

.MONDAY NIGHT...Partly cloudy in the evening then becoming mostly

cloudy. A 40 percent chance of rain showers. Lows in the 40s. 

.TUESDAY...Rain showers likely in the morning, then chance of

rain showers in the afternoon. Chance of showers 60 percent.

Highs in the mid 50s to lower 60s. 

.TUESDAY NIGHT...Mostly cloudy with a 40 percent chance of rain

showers. Lows in the mid 30s to lower 40s. 

.WEDNESDAY...Mostly cloudy. Highs in the mid 50s to lower 60s. 

.WEDNESDAY NIGHT...Partly cloudy. Areas of frost after midnight.

Lows in the 30s. 

.THURSDAY...Partly cloudy. Areas of frost in the morning. Highs

in the 60s. 

.THURSDAY NIGHT...Mostly cloudy in the evening then becoming

partly cloudy. A 30 percent chance of rain showers. Lows in the

mid 30s to lower 40s. 

.FRIDAY...Mostly cloudy with a 20 percent chance of rain showers.

Highs in the 60s. 



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MTZ004-252200-

Lower Clark Fork Region-

Including the cities of Noxon, Thompson Falls, and Superior

332 AM MDT Sat Sep 25 2021



.TODAY...Mostly cloudy early in the morning then clearing. Highs

in the mid 70s to lower 80s. Southwest winds to 15 mph in the

afternoon. 

.TONIGHT...Mostly clear. Lows in the mid 40s to lower 50s. 

.SUNDAY...Mostly sunny. Highs in the 70s. Southwest winds 15 to

20 mph with gusts to around 30 mph. 

.SUNDAY NIGHT...Mostly clear. Lows in the 40s to lower 50s.

Southwest winds to 15 mph. 

.MONDAY...Mostly sunny. Highs in the upper 60s to mid 70s.

Southwest winds to 15 mph. 

.MONDAY NIGHT...Mostly cloudy with a 50 percent chance of rain

showers. Lows in the 40s. 

.TUESDAY...Rain showers likely. Chance of showers 70 percent.

Cooler. Highs in the upper 40s to mid 50s. 

.TUESDAY NIGHT...Mostly cloudy with a 40 percent chance of rain

showers. Lows in the mid 30s to lower 40s. 

.WEDNESDAY...Mostly cloudy. Highs in the 50s. 

.WEDNESDAY NIGHT...Partly cloudy. Lows in the 30s to lower 40s. 

.THURSDAY...Partly cloudy. Areas of frost in the morning. A

20 percent chance of rain showers in the afternoon. Highs in the

60s. 

.THURSDAY NIGHT...Mostly cloudy in the evening then becoming

partly cloudy. A 30 percent chance of rain showers. Lows in the

upper 30s to mid 40s. 

.FRIDAY...Partly cloudy with a 20 percent chance of rain showers.

Highs in the 60s. 



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MTZ005-252200-

Missoula/Bitterroot Valleys-

Including the cities of Hamilton and Darby

332 AM MDT Sat Sep 25 2021



.TODAY...Mostly cloudy early in the morning then clearing. Highs

near 80. Southwest winds to 15 mph in the afternoon. 

.TONIGHT...Mostly clear. Lows in the mid to upper 40s. South

winds to 15 mph. 

.SUNDAY...Mostly sunny. Highs near 80. Southwest winds to 15 mph.

.SUNDAY NIGHT...Mostly clear. Lows in the 40s. West winds to

15 mph. 

.MONDAY...Mostly sunny. Highs in the mid to upper 70s. Southwest

winds to 15 mph. 

.MONDAY NIGHT...Partly cloudy. A 20 percent chance of rain

showers after midnight. Lows in the lower to mid 40s. 

.TUESDAY...Mostly cloudy with a 50 percent chance of rain

showers. Cooler. Highs in the mid to upper 50s. 

.TUESDAY NIGHT...Mostly cloudy with a 30 percent chance of rain

showers. Lows in the 30s. 

.WEDNESDAY...Partly cloudy. Highs near 60. 

.WEDNESDAY NIGHT...Mostly clear. Areas of frost after midnight.

Lows in the lower to mid 30s. 

.THURSDAY...Mostly sunny. Areas of frost in the morning. Highs in

the upper 60s. 

.THURSDAY NIGHT...Partly cloudy with a 20 percent chance of rain

showers. Lows near 40. 

.FRIDAY...Partly cloudy with a 20 percent chance of rain showers.

Highs in the mid to upper 60s. 



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MTZ006-252200-

Bitterroot/Sapphire Mountains-

Including the city of Sula

332 AM MDT Sat Sep 25 2021



.TODAY...Mostly sunny. Highs in the 70s. Southwest winds to

15 mph in the afternoon. 

.TONIGHT...Mostly clear. Lows in the 40s. 

.SUNDAY...Mostly sunny. Highs in the 70s. Southwest winds 15 to

20 mph with gusts to around 30 mph. 

.SUNDAY NIGHT...Mostly clear. Lows in the upper 30s to mid 40s.

Southwest winds to 15 mph. 

.MONDAY...Mostly sunny. Highs in the upper 60s to mid 70s.

Southwest winds 15 to20 mph. 

.MONDAY NIGHT...Mostly clear. A 20 percent chance of rain showers

after midnight. Lows in the mid 30s to lower 40s. 

.TUESDAY...Chance of rain showers in the morning, then rain

showers likely in the afternoon. Chance of showers 70 percent.

Cooler. Highs in the 50s. 

.TUESDAY NIGHT...Mostly cloudy with a 40 percent chance of rain

and snow showers. Lows in the upper 20s to mid 30s. 

.WEDNESDAY...Mostly cloudy with a 20 percent chance of snow

showers in the morning, then mostly sunny in the afternoon. Highs

in the 50s. 

.WEDNESDAY NIGHT...Mostly clear. Widespread frost after midnight.

Lows in the upper 20s to mid 30s. 

.THURSDAY...Mostly sunny. Widespread frost in the morning. Highs

in the upper 50s to mid 60s. 

.THURSDAY NIGHT...Partly cloudy with a 20 percent chance of rain

showers. Lows in the 30s. 

.FRIDAY...Partly cloudy with a 20 percent chance of rain showers.

Highs in the 60s. 



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MTZ007-252200-

Butte/Blackfoot Region-

Including the cities of Anaconda, Deer Lodge, and Drummond

332 AM MDT Sat Sep 25 2021



.TODAY...Partly cloudy. Highs in the 70s. South winds to 15 mph

shifting to the west 15 to 20 mph with gusts to around 30 mph in

the afternoon. 

.TONIGHT...Mostly clear. Lows in the 40s to lower 50s. Southwest

winds to 15 mph. 

.SUNDAY...Mostly sunny. Highs in the 70s. Southwest winds 15 to

25 mph with gusts to around 35 mph. 

.SUNDAY NIGHT...Mostly clear. Lows in the 40s. West winds to

15 mph. 

.MONDAY...Sunny. Highs in the 70s. Southwest winds 15 to 20 mph

with gusts to around 30 mph. 

.MONDAY NIGHT...Mostly clear. Lows in the upper 30s to mid 40s. 

.TUESDAY...Mostly cloudy with a 50 percent chance of rain

showers. Highs in the mid 50s to lower 60s. 

.TUESDAY NIGHT...Mostly cloudy with a chance of rain showers.

Chance of snow showers after midnight. Chance of precipitation

40 percent. Lows in the upper 20s to mid 30s. 

.WEDNESDAY...Partly cloudy. A 20 percent chance of rain and snow

showers in the morning. Highs in the 50s. 

.WEDNESDAY NIGHT...Mostly clear. Widespread frost after midnight.

Lows in the upper 20s to mid 30s. 

.THURSDAY...Mostly sunny. Widespread frost in the morning. Highs

in the 60s. 

.THURSDAY NIGHT...Mostly clear. Lows in the 30s to lower 40s. 

.FRIDAY...Mostly sunny. A 20 percent chance of rain showers in

the afternoon. Highs in the 60s. 



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MTZ043-252200-

Potomac/Seeley Lake Region-

Including the cities of East Missoula, Seeley Lake, and Clinton

332 AM MDT Sat Sep 25 2021



.TODAY...Mostly cloudy in the morning then clearing. Highs in the

70s. Southwest winds to 15 mph in the afternoon. 

.TONIGHT...Mostly clear. Lows in the 40s. West winds to 15 mph. 

.SUNDAY...Mostly sunny. Highs in the 70s. Southwest winds 15 to

25 mph. 

.SUNDAY NIGHT...Mostly clear. Lows in the 40s. West winds to

15 mph. 

.MONDAY...Sunny. Highs in the upper 60s to mid 70s. Southwest

winds 15 to 20 mph. 

.MONDAY NIGHT...Mostly clear. A 20 percent chance of rain showers

after midnight. Lows in the upper 30s to mid 40s. 

.TUESDAY...Mostly cloudy with a 50 percent chance of rain

showers. Cooler. Highs in the 50s. 

.TUESDAY NIGHT...Mostly cloudy with a 40 percent chance of rain

showers. Lows in the 30s. 

.WEDNESDAY...Partly cloudy. Highs in the 50s. 

.WEDNESDAY NIGHT...Mostly clear. Widespread frost after midnight.

Lows in the upper 20s to mid 30s. 

.THURSDAY...Mostly sunny. Widespread frost in the morning. Highs

in the upper 50s to mid 60s. 

.THURSDAY NIGHT...Partly cloudy with a 20 percent chance of rain

showers. Lows in the 30s to lower 40s. 

.FRIDAY...Partly cloudy with a 20 percent chance of rain showers.

Highs in the 60s. 



--------------------------------



IDZ005-252200-

Northern Clearwater Mountains-

Including the cities of Pierce and Elk River

232 AM PDT Sat Sep 25 2021



.TODAY...Mostly sunny. Highs in the upper 70s to mid 80s. 

.TONIGHT...Mostly clear. Lows in the upper 30s to mid 40s. 

.SUNDAY...Mostly sunny. Highs in the mid 70s to lower 80s. 

.SUNDAY NIGHT...Mostly clear. Lows in the upper 30s to mid 40s. 

.MONDAY...Mostly sunny. Highs in the upper 60s to mid 70s. 

.MONDAY NIGHT...Chance of rain showers in the evening, then rain

showers likely after midnight. Chance of showers 60 percent. Lows

in the 30s to lower 40s. 

.TUESDAY...Rain showers likely. Chance of showers 80 percent.

Cooler. Highs in the upper 40s to mid 50s. 

.TUESDAY NIGHT...Mostly cloudy. A 30 percent chance of rain

showers in the evening. Lows in the upper 20s to mid 30s. 

.WEDNESDAY...Partly cloudy. Highs in the mid 50s to lower 60s. 

.WEDNESDAY NIGHT...Partly cloudy. Patchy frost after midnight.

Lows in the upper 20s to mid 30s. 

.THURSDAY...Partly cloudy. Widespread frost in the morning. A

20 percent chance of rain showers in the afternoon. Highs in the

60s to lower 70s. 

.THURSDAY NIGHT...Mostly cloudy with a 30 percent chance of rain

showers. Lows in the 30s. 

.FRIDAY...Partly cloudy with a 30 percent chance of rain showers.

Highs in the 60s. 



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IDZ006-252200-

Southern Clearwater Mountains-

Including the cities of Powell, Elk City, and Dixie

232 AM PDT Sat Sep 25 2021



.TODAY...Mostly sunny. Areas of frost early in the morning. Highs

70 to 85. Southwest winds to 15 mph in the afternoon. 

.TONIGHT...Mostly clear. Lows 37 to 52. 

.SUNDAY...Mostly sunny. Highs 68 to 83. Southwest winds to

15 mph. 

.SUNDAY NIGHT...Mostly clear. Areas of frost after midnight. Lows

36 to 51. 

.MONDAY...Mostly sunny. Areas of frost in the morning. Highs

64 to 79. Southwest winds to 15 mph. 

.MONDAY NIGHT...Partly cloudy in the evening then becoming mostly

cloudy. A 50 percent chance of rain showers. Lows 31 to 46. 

.TUESDAY...Rain and snow showers likely in the morning, then rain

showers likely in the afternoon. Chance of precipitation

80 percent. Cooler. Highs 43 to 57. 

.TUESDAY NIGHT...Mostly cloudy. Chance of rain showers in the

evening, then slight chance of rain and snow showers after

midnight. Chance of precipitation 40 percent. Lows 25 to 40. 

.WEDNESDAY...Partly cloudy. Highs 48 to 63. 

.WEDNESDAY NIGHT...Mostly clear. Patchy frost in the evening.

Widespread frost after midnight. Lows 26 to 41. 

.THURSDAY...Mostly sunny. Widespread frost in the morning. Highs

57 to 72. 

.THURSDAY NIGHT...Mostly cloudy with a chance of rain showers in

the evening, then partly cloudy with a chance of snow showers and

a slight chance of rain showers after midnight. Chance of

precipitation 30 percent. Lows 30 to 45. 

.FRIDAY...Partly cloudy with a slight chance of rain showers.

Chance of snow showers in the morning. Chance of precipitation

30 percent. Highs 55 to 70. 



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IDZ007-252200-

Orofino/Grangeville Region-

Including the city of Kooskia

232 AM PDT Sat Sep 25 2021



.TODAY...Mostly sunny. Highs in the 80s. 

.TONIGHT...Mostly clear. Lows in the upper 40s to mid 50s. 

.SUNDAY...Mostly sunny. Highs in the upper 70s to mid 80s. 

.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. 

.MONDAY...Mostly sunny. Highs in the 70s to lower 80s. 

.MONDAY NIGHT...Chance of rain showers in the evening, then rain

showers likely after midnight. Chance of showers 70 percent. Lows

in the 40s to lower 50s. 

.TUESDAY...Rain showers likely. Chance of showers 70 percent.

Cooler. Highs in the 50s to lower 60s. 

.TUESDAY NIGHT...Mostly cloudy. A 30 percent chance of rain

showers in the evening. Lows in the mid 30s to lower 40s. 

.WEDNESDAY...Partly cloudy. Highs in the 50s to upper 60s. 

.WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 30s to mid

40s. 

.THURSDAY...Partly cloudy. A 20 percent chance of rain showers in

the afternoon. Highs in the mid 60s to lower 70s. 

.THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of rain

showers. Lows in the 40s. 

.FRIDAY...Partly cloudy with a 20 percent chance of rain showers.

Highs in the 60s to lower 70s. 



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IDZ008-252200-

Lower Hells Canyon/Salmon River Region-

Including the cities of Riggins and White Bird

232 AM PDT Sat Sep 25 2021



.TODAY...Mostly sunny. Highs 78 to 91. South winds to 15 mph in

the afternoon. 

.TONIGHT...Mostly clear. Lows in the mid 50s to lower 60s. South

winds to 15 mph. 

.SUNDAY...Mostly sunny. Highs 75 to 89. Southwest winds to

15 mph. 

.SUNDAY NIGHT...Mostly clear. Lows in the 50s. South winds to

15 mph. 

.MONDAY...Mostly sunny. Highs 71 to 84. South winds to 15 mph. 

.MONDAY NIGHT...Partly cloudy in the evening then becoming mostly

cloudy. A 50 percent chance of rain showers. Lows in the 40s to

lower 50s. 

.TUESDAY...Rain showers likely in the morning, then chance of

rain showers in the afternoon. Chance of showers 70 percent.

Cooler. Highs 49 to 62. 

.TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain

showers in the evening, then partly cloudy after midnight. Lows

in the upper 30s to mid 40s. 

.WEDNESDAY...Partly cloudy. Highs 55 to 68. 

.WEDNESDAY NIGHT...Mostly clear. Lows in the 40s. 

.THURSDAY...Partly cloudy. A 20 percent chance of rain showers in

the afternoon. Highs in the lower 60s to mid 70s. 

.THURSDAY NIGHT...Mostly cloudy in the evening then becoming

partly cloudy. A 30 percent chance of rain showers. Lows in the

mid 40s to lower 50s. 

.FRIDAY...Partly cloudy with a 20 percent chance of rain showers.

Highs in the 60s to mid 70s. 



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IDZ009-010-252200-

Western Lemhi County-Eastern Lemhi County-

Including the cities of Shoup, Salmon, and Leadore

332 AM MDT Sat Sep 25 2021



.TODAY...Mostly sunny. Highs in the 70s to lower 80s. Southwest

winds 15 to 20 mph with gusts to around 30 mph in the afternoon. 

.TONIGHT...Mostly clear. Lows in the 40s. South winds to 15 mph. 

.SUNDAY...Mostly sunny. Highs in the mid 70s to lower 80s.

Southwest winds 15 to 20 mph with gusts to around 30 mph. 

.SUNDAY NIGHT...Mostly clear. Lows in the 40s. Southwest winds to

15 mph. 

.MONDAY...Mostly sunny. Highs in the 70s. South winds 15 to

20 mph. 

.MONDAY NIGHT...Mostly clear. Lows in the 40s. 

.TUESDAY...Mostly cloudy with a 50 percent chance of rain

showers. Highs in the mid 50s to lower 60s. 

.TUESDAY NIGHT...Mostly cloudy. Chance of rain showers in the

evening, then slight chance of rain and snow showers after

midnight. Chance of precipitation 40 percent. Lows in the upper

20s to mid 30s. 

.WEDNESDAY...Partly cloudy. A 20 percent chance of snow showers

in the morning. Highs in the 50s to lower 60s. 

.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 20s to mid

30s. 

.THURSDAY...Mostly sunny. Highs in the 60s. 

.THURSDAY NIGHT...Partly cloudy with a 20 percent chance of rain

showers. Lows in the 30s to lower 40s. 

.FRIDAY...Mostly sunny. A 20 percent chance of rain showers in

the afternoon. Highs in the 60s. 



--------------------------------