Yellowstone National Park Forecast

FPUS55 KRIW 240520

ZFPRIW



Zone Forecast Product for Western and Central Wyoming

National Weather Service Riverton WY

1119 PM MDT Thu Mar 23 2023



WYZ020-241000-

Natrona County Lower Elevations-

WYZ001-241000-

Yellowstone National Park-

Including the cities of Lake, Mammoth, and Old Faithful

1119 PM MDT Thu Mar 23 2023



...WINTER STORM WATCH IN EFFECT FROM 6 AM MDT FRIDAY THROUGH

SATURDAY EVENING...



.TONIGHT...Cloudy. Scattered snow showers late this evening, then

numerous snow showers after midnight. Snow accumulation up to

4 inches. Cold with lows 12 to 18. Southwest winds 10 to 15 mph.

Chance of snow 70 percent. 

.FRIDAY...Snow showers. New snow accumulation up to 6 inches.

Breezy with highs in the upper 20s. Southwest winds 15 to 20 mph.

Gusts up to 35 mph in the afternoon. Chance of snow 80 percent. 

.FRIDAY NIGHT...Snow showers. New snow accumulation of 1 to

4 inches. Breezy, cold with lows 6 to 12 above. Southwest winds

15 to 20 mph with gusts up to 30 mph, becoming west 10 to 15 mph

after midnight. Chance of snow 90 percent. 

.SATURDAY...Snow showers. New moderate snow accumulation. Highs

in the lower 20s. Northwest winds 10 to 15 mph. Chance of snow

90 percent. 

.SATURDAY NIGHT...Cloudy with snow showers. New light snow

accumulation. Cold with lows 4 to 10 above. Southwest winds 10 to

15 mph with gusts up to 25 mph. Chance of snow 80 percent. 

.SUNDAY...Cloudy with snow showers. New light snow accumulation.

Cold with highs around 20. Chance of snow 80 percent. 

.SUNDAY NIGHT...Mostly cloudy with snow showers likely. New light

snow accumulation possible. Cold with lows zero to 5 above zero.

Chance of snow 60 percent. 

.MONDAY...Mostly cloudy with snow showers likely. New little or

no snow accumulation. Highs in the lower 20s. Chance of snow

60 percent. 

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

partly cloudy. A 30 percent chance of snow showers. Cold with

lows zero to 5 above zero. 

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

showers. Highs in theupper 20s. 

.TUESDAY NIGHT...Mostly cloudy with snow showers likely. Light

snow accumulation possible. Cold with lows 10 to 15. Chance of

snow 60 percent. 

.WEDNESDAY...Mostly cloudy with snow showers likely. New moderate

snow accumulation possible. Highs in the lower 30s. Chance of

snow 60 percent. 

.WEDNESDAY NIGHT...Mostly cloudy with snow showers likely. New

light snow accumulation possible. Cold with lows 5 to 15 above.

Chance of snow 60 percent. 

.THURSDAY...Mostly cloudy with snow showers likely. New light

snow accumulation possible. Highs in the upper 20s. Chance of

snow 60 percent. 



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