Expires:202512101700;;327459 FPUS55 KCYS 100947 ZFPCYS Zone Forecast Product for Southeast Wyoming and Western Nebraska Panhandle National Weather Service Cheyenne WY 246 AM MST Wed Dec 10 2025 NEZ096-101700- Southern Sioux County- Including the city of Agate 246 AM MST Wed Dec 10 2025 .TODAY...Mostly cloudy. A slight chance of rain and snow this afternoon. Cooler with highs in the upper 40s. Northwest winds 10 to 15 mph, becoming southwest 15 to 20 mph with gusts up to 35 mph this afternoon. Chance of precipitation 20 percent. .TONIGHT...Partly cloudy in the evening, then clearing. Breezy and not as cool. Near steady temperature in the lower 40s. West winds 15 to 25 mph with gusts up to 40 mph. .THURSDAY...Mostly sunny and windy. Not as cool with highs in the lower 60s. Temperature falling into the upper 50s in the afternoon. West winds 20 to 30 mph with gusts up to 50 mph. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Colder with lows in the mid 20s. Northwest winds 15 to 20 mph with gusts up to 30 mph. .FRIDAY...Partly sunny. Much cooler with highs in the lower 40s. East winds 5 to 10 mph, becoming southeast with gusts up to 20 mph in the afternoon. .FRIDAY NIGHT...Mostly cloudy. Cold with lows in the mid 20s. .SATURDAY...Mostly sunny. Highs in the mid 40s. Temperature falling into the mid 30s in the afternoon. .SATURDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Cold with lows around 20. .SUNDAY...Mostly sunny. Not as cool with highs in the mid 50s. .SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the upper 20s. Highs in the mid 50s. .MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows around 30. Highs in the upper 50s. $$