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Accidents and Incidents Report

Yellowstone National Park Forecast

FPUS55 KRIW 200102
ZFPRIW

Zone Forecast Product for Western and Central Wyoming
National Weather Service Riverton WY
701 PM MDT Thu Oct 19 2017

WYZ020-201000-
Natrona County Lower Elevations-
WYZ001-201000-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
701 PM MDT Thu Oct 19 2017

.TONIGHT...Clear until early morning then becoming partly cloudy.
Lows 27 to 33. South winds around 15 mph. 
.FRIDAY...Breezy, cloudy. Scattered snow showers in the morning.
Scattered rain showers late in the morning, then numerous rain
showers, possibly mixed with snow showers in the afternoon. Snow
accumulation up to 1 inch. Highs 40 to 46. Southwest winds 15 to
20 mph. Chance of precipitation 80 percent. 
.FRIDAY NIGHT...Breezy, colder. Numerous snow showers. Snow
accumulation of 1 to 2 inches. Total snow accumulation 1 to
3 inches. Lows 19 to 25. Southwest winds 15 to 20 mph. Chance of
snow 70 percent. 
.SATURDAY...Breezy. Cloudy with scattered snow showers. Highs
29 to 35. Southwest winds 15 to 25 mph. Chance of snow
40 percent. 
.SATURDAY NIGHT...Breezy, cloudy. Scattered snow showers in the
evening, then numerous snow showers after midnight. Snow
accumulation of 2 to 3 inches. Lows 24 to 30. Southwest winds
15 to 20 mph. Chance of snow 70 percent. 
.SUNDAY...Breezy. Not as cold. Numerous snow showers, possibly
mixed with rain showers. Light snow accumulations. Highs 38 to
44. Chance of precipitation 60 percent. 
.SUNDAY NIGHT...Breezy. Cloudy with a 40 percent chance of rain
showers, possibly mixed with snow showers. Lows 28 to 34. 
.MONDAY...Breezy. Mostly cloudy. Chance of rain showers and snow
showers in the morning, then slight chance of rain showers in the
afternoon. Highs 39 to 45. Chance of precipitation 40 percent. 
.MONDAY NIGHT...Partly cloudy in the evening then clearing. Lows
22 to 28. 
.TUESDAY...Mostly sunny. Highs 41 to 47. 
.TUESDAY NIGHT...Mostly clear. Lows 22 to 28. 
.WEDNESDAY...Mostly sunny. Highs 44 to 50. 
.WEDNESDAY NIGHT...Partly cloudy. Lows 23 to 29. 
.THURSDAY...Partly cloudy in the morning then clearing. Highs
40 to 46. 

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