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Accidents and Incidents Report

Yellowstone National Park Forecast

FPUS55 KRIW 171702
ZFPRIW

Zone Forecast Product for Western and Central Wyoming
National Weather Service Riverton WY
1001 AM MST Fri Nov 17 2017

WYZ020-172300-
Natrona County Lower Elevations-
WYZ001-172300-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
1001 AM MST Fri Nov 17 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

.REST OF TODAY...Breezy. Snow in the late morning and afternoon,
then chance of snow late in the afternoon. New snow accumulation
around 1 inch. Total snow accumulation 2 to 3 inches. Highs 24 to
30. Northwest winds 15 to 20 mph. Chance of snow 90 percent. 
.TONIGHT...Breezy. Mostly cloudy early in the evening then
becoming partly cloudy. Chance of snow in the evening. Lows 6 to
12. Southwest winds 15 to 20 mph. Chance of snow 30 percent. 
.SATURDAY...Breezy. Mostly cloudy in the morning then becoming
partly cloudy. Highs 20 to 26. Southwest winds 15 to 25 mph. 
.SATURDAY NIGHT...Breezy. Partly cloudy. Lows 6 to 12. Southwest
winds 15 to 20 mph. 
.SUNDAY...Breezy. Partly cloudy. Highs 26 to 32. Southwest winds
15 to 20 mph. 
.SUNDAY NIGHT...Breezy. Mostly clear in the evening, then partly
cloudy with a 50 percent chance of snow showers after midnight.
Lows 13 to 19. 
.MONDAY...Breezy. Snow showers likely. Moderate snow
accumulations. Highs 28 to 34. Chance of snow 60 percent. 
.MONDAY NIGHT...Mostly cloudy with a 50 percent chance of snow
showers. Lows 19 to 25. 
.TUESDAY...Mostly cloudy with a 30 percent chance of snow
showers. Highs 31 to 37. 
.TUESDAY NIGHT...Cloudy with a 30 percent chance of snow showers.
Near steady temperature in the upper 20s. 
.WEDNESDAY...Cloudy with a 30 percent chance of snow showers,
possibly mixed with rain showers. Highs 35 to 41. 
.WEDNESDAY NIGHT...Mostly cloudy with a 30 percent chance of rain
showers and snow showers. Lows 25 to 31. 
.THANKSGIVING DAY...Mostly cloudy with a 30 percent chance of
snow showers, possibly mixed with rain showers. Highs 34 to 40. 

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