Expires:202512210100;;941789
FPUS55 KRIW 202348
ZFPRIW

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


WYZ005-210100-
Southwest Bighorn Basin-
Including the city of Thermopolis
446 PM MST Sat Dec 20 2025

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

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