Expires:202512210100;;941805
FPUS55 KRIW 202348
ZFPRIW

Zone Forecast Product for Western and Central Wyoming
National Weather Service Riverton WY
446 PM MST Sat Dec 20 2025


WYZ014-210100-
Wind River Mountains West-
446 PM MST Sat Dec 20 2025

...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 AM
MST MONDAY...

.THIS AFTERNOON...Partly cloudy. Highs in the mid 20s. West winds
10 to 15 mph with gusts up to 30 mph. 
.TONIGHT...Mostly cloudy. Numerous snow showers after midnight.
Snow accumulation up to 4 inches. Breezy, cold with lows 10 to
18. Temperature rising into the lower 20s after midnight.
Southwest winds 15 to 20 mph with gusts up to 35 mph. Chance of
snow 60 percent. 
.SUNDAY...Snow showers. Numerous rain showers in the afternoon.
Snow may be heavy at times. New snow accumulation up to
14 inches. Breezy with highs in the mid 30s. Southwest winds
15 to 25 mph. Gusts up to 40 mph, increasing to 55 mph in the
afternoon. Chance of precipitation 90 percent. 
.SUNDAY NIGHT...Snow showers and numerous rain showers in the
evening, then snow showers and scattered rain showers after
midnight. Snow may be heavy at times in the evening. New moderate
snow accumulation. Windy with lows in the upper 20s. Southwest
winds 20 to 30 mph with gusts up to 55 mph. Chance of
precipitation 90 percent. 
.MONDAY...Snow showers. New light snow accumulation. Windy with
highs in the lower 30s. Southwest winds 20 to 30 mph with gusts
up to 55 mph, becoming west 15 to 20 mph with gusts up to 45 mph
in the afternoon. Chance of snow 90 percent. 
.MONDAY NIGHT...Cloudy with snow showers. New light snow
accumulation. Breezy with lows in the mid 20s. Chance of snow
80 percent. 
.TUESDAY...Cloudy. A chance of snow showers in the morning. Highs
in the mid 30s. Chance of snow 30 percent. 
.TUESDAY NIGHT...Cloudy. Lows in the mid 20s. 
.WEDNESDAY...Mostly cloudy. Snow showers likely with a chance of
rain showers in the afternoon. Light snow accumulation possible.
Breezy with highs in the mid 30s. Chance of precipitation
60 percent. 
.WEDNESDAY NIGHT...Snow showers with rain showers likely. New
light snow accumulation. Breezy with lows in the mid 20s. Chance
of precipitation 90 percent. 
.CHRISTMAS DAY...Snow showers. New light snow accumulation.
Breezy with highs in the lower 30s. Chance of snow 80 percent. 
.THURSDAY NIGHT...Snow showers. New moderate snow accumulation.
Breezy with lows in the lower 20s. Chance of snow 80 percent. 
.FRIDAY...Snow showers. New light snow accumulation. Breezy with
highs in the upper 20s. Chance of snow 80 percent. 

$$