Montana Department of Transportation

Malcolm “Mack” Long, Director

COVID-19

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Accidents and Incidents Report

Yellowstone National Park Forecast

FPUS55 KRIW 251651

ZFPRIW

FPUS55 KRIW 251650

ZFPRIW



Zone Forecast Product for Western and Central Wyoming

National Weather Service Riverton WY

950 AM MST Thu Feb 25 2021



WYZ001-252300-

Yellowstone National Park-

Including the cities of Lake, Mammoth, and Old Faithful

950 AM MST Thu Feb 25 2021



...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO

11 PM MST FRIDAY...



.REST OF TODAY...Windy. Partly cloudy late in the morning then

becoming cloudy. Areas of blowing snow in the late morning and

early afternoon. Blowing snow late in the afternoon. Scattered

snow showers early in the afternoon. Snow showers late in the

afternoon. Snow accumulation up to 1 inch. Highs 16 to 22.

Southwest winds 20 to 30 mph. Chance of snow 90 percent. 

.TONIGHT...Windy. Snow showers in the evening, then snow after

midnight. Areas of blowing snow through the night. Snow

accumulation of 1 to 2 inches. Lows 4 to 10. Southwest winds

20 to 30 mph decreasing to 15 to 20 mph after midnight. Chance of

snow 90 percent. 

.FRIDAY...Breezy, snow. Areas of blowing snow. Snow accumulation

of 1 to 3 inches. Highs 16 to 22. Southwest winds 15 to 25 mph.

Gusts up to 40 mph early in the afternoon. Chance of snow

90 percent. 

.FRIDAY NIGHT...Patchy blowing snow in the evening. Cloudy with

snow showers. Snow accumulation of 1 to 2 inches. Lows zero to

6 above zero. West winds around 15 mph in the evening. Chance of

snow 80 percent. 

.SATURDAY...Mostly cloudy. Chance of snow showers in the morning,

then snow showers likely in the afternoon. Snow accumulation up

to 1 inch. Total snow accumulation 3 to 9 inches. Highs 14 to 20.

Chance of snow 60 percent. 

.SATURDAY NIGHT...Partly cloudy. A 20 percent chance of snow

showers in the evening. Lows 3 below to 3 above zero. Wind chill

readings 15 below to 25 below zero. 

.SUNDAY...Partly cloudy. Highs 17 to 23. Wind chill readings

11 below to 21 below zero. 

.SUNDAY NIGHT...Partly cloudy. Lows around 6. 

.MONDAY...Not as cold. Partly cloudy. Highs 25 to 31. 

.MONDAY NIGHT...Partly cloudy with a 20 percent chance of snow

showers. Lows around 10. 

.TUESDAY...Partly cloudy with a 20 percent chance of snow

showers. Highs 24 to 30. 

.TUESDAY NIGHT...Partly cloudy in the evening then clearing. Lows

around 9. 

.WEDNESDAY...Partly cloudy in the morning then clearing. Highs

26 to 32. 



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