Expires:202512221100;;019764 FPUS55 KRIW 220934 ZFPRIW Zone Forecast Product for Western and Central Wyoming National Weather Service Riverton WY 232 AM MST Mon Dec 22 2025 WYZ004-221100- North Bighorn Basin- Including the cities of Basin, Greybull, Lovell, Powell, and Shell 232 AM MST Mon Dec 22 2025 .REST OF TONIGHT...Partly cloudy. Near steady temperature in the mid 30s. Southeast winds 10 to 15 mph with gusts up to 25 mph. .MONDAY...Partly cloudy. Highs in the lower 50s. Southeast winds 10 to 15 mph with gusts up to 40 mph. .MONDAY NIGHT...Partly cloudy. Lows in the lower 30s. Southeast winds around 10 mph. .TUESDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the lower 50s. Southeast winds 10 to 15 mph with gusts up to 25 mph. .TUESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 30s. South winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Breezy with highs in the mid 50s. .WEDNESDAY NIGHT...Mostly cloudy. A slight chance of. Breezy with lows in the upper 30s. .CHRISTMAS DAY...Mostly cloudy in the morning, then becoming partly cloudy. A 30 percent chance of rain showers. Highs in the mid 50s. .THURSDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 30s. .FRIDAY...Partly cloudy. Highs around 50. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 20s. .SATURDAY...Partly cloudy. Highs in the lower 40s. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 20s. .SUNDAY...Partly cloudy in the morning, then clearing. Highs in the lower 40s. $$