Expires:202512210500;;936380 FPUS55 KCYS 202129 ZFPCYS Zone Forecast Product for Southeast Wyoming and Western Nebraska Panhandle National Weather Service Cheyenne WY 228 PM MST Sat Dec 20 2025 NEZ002-210500- Dawes County- Including the cities of Chadron and Chadron St Park 228 PM MST Sat Dec 20 2025 .THIS AFTERNOON...Sunny. Much cooler with highs around 40. Temperature falling into the mid 30s late. West winds 5 to 10 mph. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Cold with lows around 20. Southwest winds 5 to 10 mph. .SUNDAY...Mostly sunny in the morning, then becoming mostly cloudy. Not as cool with highs in the mid 50s. South winds 15 to 20 mph. .SUNDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Not as cool with lows in the upper 30s. Southwest winds 15 to 20 mph with gusts up to 35 mph. .MONDAY...Mostly sunny and breezy, warmer with highs in the mid 60s. Temperature falling into the upper 50s in the afternoon. West winds 15 to 25 mph with gusts up to 45 mph. .MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows around 30. Highs in the upper 50s. .TUESDAY NIGHT...Mostly cloudy. Not as cool with lows around 40. .WEDNESDAY THROUGH CHRISTMAS DAY...Partly cloudy. Highs in the mid 60s. Lows in the lower 40s. .THURSDAY NIGHT AND FRIDAY...Partly cloudy and breezy. Lows in the mid 30s. Highs in the upper 50s. $$