Expires:202512221700;;019415 FPUS55 KCYS 220924 ZFPCYS Zone Forecast Product for Southeast Wyoming and Western Nebraska Panhandle National Weather Service Cheyenne WY 223 AM MST Mon Dec 22 2025 WYZ112-221700- Sierra Madre Range- 223 AM MST Mon Dec 22 2025 .TODAY...Mostly sunny and windy. Highs in the upper 40s. Southwest winds 20 to 30 mph. Gusts up to 55 mph, decreasing to 45 mph this afternoon. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Breezy with lows in the mid 30s. South winds 15 to 25 mph with gusts up to 40 mph. .TUESDAY...Partly sunny. Highs in the upper 40s. South winds 15 to 20 mph with gusts up to 35 mph. .TUESDAY NIGHT...Mostly cloudy and breezy. Lows in the mid 30s. Southwest winds 15 to 25 mph. Gusts up to 45 mph after midnight. .WEDNESDAY...Partly sunny and breezy. Highs in the upper 40s. Southwest winds 15 to 25 mph with gusts up to 45 mph. .WEDNESDAY NIGHT...Mostly cloudy. A chance of rain and snow showers after midnight. Windy. Near steady temperature around 40. Chance of precipitation 50 percent. .CHRISTMAS DAY...Rain showers. Windy with highs in the mid 40s. Temperature falling into the upper 30s in the afternoon. Chance of rain 90 percent. .THURSDAY NIGHT...Snow and rain showers likely. Little or no snow accumulation. Windy, cold with lows in the lower 30s. Chance of precipitation 70 percent. .FRIDAY AND FRIDAY NIGHT...Snow showers likely. Light snow accumulation possible. Windy. Highs in the upper 30s. Lows in the mid 20s. Chance of snow 70 percent. .SATURDAY...Mostly cloudy in the morning, then becoming mostly sunny. A 50 percent chance of snow showers. Cold with highs in the lower 30s. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows 15 to 20. Highs in the lower 30s. $$