Expires:202607260900;;606829 FPUS53 KFSD 260104 ZFPFSD Zone Forecasts for SE South Dakota/NW Iowa/SW Minnesota National Weather Service Sioux Falls SD 803 PM CDT Sat Jul 25 2026 SDZ060-260900- Hanson- Including the cities of Alexandria and Emery 803 PM CDT Sat Jul 25 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 8 PM CDT SUNDAY... ...SEVERE THUNDERSTORM WATCH 513 IN EFFECT UNTIL 11 PM CDT THIS EVENING... .TONIGHT...Mostly cloudy with a chance of showers. Thunderstorms likely, mainly this evening. Some thunderstorms may be severe with damaging winds and large hail this evening. Lows in the mid 70s. South winds 5 to 10 mph. Chance of rain 60 percent. Heat index values up to 111 early this evening. .SUNDAY...Mostly sunny. Hot with highs in the upper 90s. South winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 111 in the afternoon. .SUNDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Humid with lows in the lower 70s. South winds 5 to 10 mph with gusts up to 20 mph, becoming northwest after midnight. Heat index values up to 110 early in the evening. .MONDAY...Sunny, hot with highs in the mid 90s. Northeast winds 5 to 10 mph. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 70s. East winds 5 to 10 mph. .TUESDAY...Mostly sunny. Highs in the lower 90s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 60s. .WEDNESDAY...Mostly sunny. Hot with highs in the mid 90s. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 70s. .THURSDAY...Partly sunny. A chance of showers in the afternoon. Highs in the lower 90s. Chance of rain 40 percent. .THURSDAY NIGHT...Partly cloudy with a chance of showers. A chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 50 percent. .FRIDAY...Mostly sunny. Highs around 90. .FRIDAY NIGHT...Mostly clear. Lows in the mid 60s. .SATURDAY...Mostly sunny. Highs around 90. $$