Yellowstone National Park Forecast

FPUS55 KRIW 052036

ZFPRIW



Zone Forecast Product for Western and Central Wyoming

National Weather Service Riverton WY

133 PM MST Thu Mar 5 2026



WYZ020-052300-

Natrona County Lower Elevations-

WYZ001-052300-

Yellowstone National Park-

Including the cities of Lake, Mammoth, and Old Faithful

133 PM MST Thu Mar 5 2026



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

AFTERNOON...



.THIS AFTERNOON...Snow showers with a slight chance of

thunderstorms. Snow accumulation of 1 to 4 inches. Highs in the

upper 20s. West winds around 10 mph with gusts up to 20 mph.

Chance of snow 80 percent. 

.TONIGHT...Mostly cloudy. Snow showers, mainly in the evening.

Storm total snow accumulation of 3 to 5 inches. Cold with lows

14 to 20. Northwest winds around 10 mph with gusts up to 20 mph.

Chance of snow 80 percent. 

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

Highs around 30. Northwest winds around 10 mph with gusts up to

25 mph. 

.FRIDAY NIGHT...Partly cloudy. A slight chance of snow showers in

the evening. Cold with lows 11 to 17. West winds around 10 mph

with gusts up to 25 mph. Chance of snow 20 percent. 

.SATURDAY...Mostly cloudy with a 30 percent chance of snow

showers. Highs around 30. Southwest winds 10 to 15 mph with gusts

up to 30 mph. 

.SATURDAY NIGHT...Cloudy with a 40 percent chance of snow

showers. Lows in the mid 20s. 

.SUNDAY...Mostly cloudy with a 40 percent chance of snow showers.

Breezy with highs in the upper 30s. 

.SUNDAY NIGHT...Partly cloudy in the evening, then becoming

mostly cloudy. A 30 percent chance of snow showers. Breezy with

lows in the upper 20s. 

.MONDAY...A chance ofsnow showers in the morning, then snow

showers likely in the afternoon. Light snow accumulation

possible. Breezy with highs in the upper 30s. Chance of snow

60 percent. 

.MONDAY NIGHT...A slight chance of thunderstorms in the evening.

Snow showers likely. New light snow accumulation possible.

Breezy, cold with lows around 20. Chance of snow 70 percent. 

.TUESDAY...Snow showers likely. New light snow accumulation

possible. Breezy with highs in the upper 20s. Chance of snow

70 percent. 

.TUESDAY NIGHT...Mostly cloudy in the evening, then becoming

partly cloudy. A 30 percent chance of snow showers. Breezy, cold

with lows 10 to 15. 

.WEDNESDAY...Mostly cloudy with a 40 percent chance of snow

showers. Breezy with highs around 30. 



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