Expires:202512202300;;936658
FPUS55 KRIW 202134
ZFPRIW

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


WYZ009-202300-
Bighorn Mountains Southeast-
232 PM MST Sat Dec 20 2025

.THIS AFTERNOON...Sunny, breezy with highs in the mid 20s. West
winds 15 to 20 mph with gusts up to 40 mph. 
.TONIGHT...Mostly clear in the evening, then becoming partly
cloudy. Cold with lows 13 to 23. West winds 10 to 15 mph with
gusts up to 35 mph. 
.SUNDAY...Partly cloudy and breezy. Highs in the lower 40s.
Southwest winds 15 to 25 mph. Gusts up to 50 mph in the
afternoon. 
.SUNDAY NIGHT...Partly cloudy and very windy. Not as cool. Near
steady temperature in the upper 30s. Southwest winds 30 to 40 mph
with gusts up to 60 mph. 
.MONDAY...Partly cloudy and very windy. Highs in the mid 40s.
West winds 30 to 40 mph with gusts up to 60 mph, diminishing to
20 to 30 mph with gusts up to 50 mph in the afternoon. 
.MONDAY NIGHT...Mostly cloudy and breezy. Lows in the lower 30s. 
.TUESDAY...Mostly cloudy and breezy. Highs in the mid 40s. 
.TUESDAY NIGHT...Mostly cloudy and windy. Lows in the upper 30s. 
.WEDNESDAY...Mostly sunny and windy. Highs in the upper 40s. 
.WEDNESDAY NIGHT...Mostly cloudy. A slight chance of. Very windy
with lows in the mid 30s. 
.CHRISTMAS DAY...Partly cloudy with a slight chance of rain
showers. A slight chance of snow showers in the morning, then a
chance of snow showers in the afternoon. Windy with highs in the
mid 40s. Chance of precipitation 30 percent. 
.THURSDAY NIGHT...Mostly cloudy. A chance of snow showers with a
slight chance of rain showers in the evening. Breezy with lows in
the lower 30s. Chance of precipitation 30 percent. 
.FRIDAY...Mostly cloudy in the morning, then becoming partly
cloudy. Breezy with highs around 40. 

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