Expires:202512211100;;956709
FPUS55 KRIW 210703
ZFPRIW

Zone Forecast Product for Western and Central Wyoming
National Weather Service Riverton WY
1202 AM MST Sun Dec 21 2025


WYZ023-211100-
Star Valley-
Including the cities of Afton, Alpine, Star Valley Ranch, 
and Thayne
1202 AM MST Sun Dec 21 2025

.REST OF TONIGHT...Snow and rain showers. Snow accumulation up to
1 inch. Lows in the mid 20s. South winds around 10 mph with gusts
up to 20 mph. Chance of precipitation 80 percent. 
.SUNDAY...Rain and snow showers. Snow accumulation up to
3 inches. Highs around 40. South winds 10 to 15 mph with gusts up
to 35 mph. Chance of precipitation 90 percent. 
.SUNDAY NIGHT...Rain showers in the evening, then rain showers
with a slight chance of snow showers after midnight. No snow
accumulation. Lows in the mid 30s. South winds 10 to 15 mph with
gusts up to 35 mph. Chance of precipitation 90 percent. 
.MONDAY...Rain showers with a slight chance of snow showers.
Little or no snow accumulation. Highs in the lower 40s. South
winds 10 to 15 mph with gusts up to 30 mph in the morning. Chance
of precipitation near 100 percent. 
.MONDAY NIGHT...Cloudy. Rain showers, mainly in the evening. Lows
in the lower 30s. Chance of rain 80 percent. 
.TUESDAY...Cloudy. A slight chance of rain and snow showers in
the morning. Highs in the mid 40s. Chance of precipitation
20 percent. 
.TUESDAY NIGHT...Mostly cloudy. Lows in the lower 30s. 
.WEDNESDAY...A chance of rain and snow showers in the morning,
then rain showers in the afternoon. Little or no snow
accumulation. Highs in the mid 40s. Chance of precipitation
80 percent. 
.WEDNESDAY NIGHT...Rain showers with a slight chance of snow
showers in the evening, then rain and snow showers after
midnight. Little or no snow accumulation. Lows around 30. Chance
of precipitation near 100 percent. 
.CHRISTMAS DAY...Rain and snow showers. Little or no snow
accumulation. Highs in the lower 40s. Chance of precipitation
80 percent. 
.THURSDAY NIGHT...Rain and snow showers. Little or no snow
accumulation. Lows around 30. Chance of precipitation 90 percent.
.FRIDAY...Snow showers, rain showers with a slight chance of
thunderstorms. Little or no snow accumulation. Highs in the lower
40s. Chance of precipitation 90 percent. 
.FRIDAY NIGHT...Cloudy. Snow showers likely, mainly in the
evening. Light snow accumulation possible. Lows in the lower 20s.
Chance of snow 60 percent. 
.SATURDAY...Cloudy with a 40 percent chance of snow showers.
Highs in the upper 30s. 

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