| NWS Forecast for: Gregory County Issued by: National Weather Service Sioux Falls, SD Last Update: 239 PM CDT Sat May 9 2026 | |
| Tonight: Partly cloudy this evening, then becoming mostly cloudy. Lows in the upper 30s. North winds 15 to 20 mph, becoming west around 5 mph after midnight. Sunday: Mostly sunny. Highs in the upper 60s. West winds 5 to 10 mph, becoming northwest with gusts up to 20 mph in the afternoon. Sunday Night: Mostly clear. Lows in the lower 40s. Northeast winds 5 to 10 mph, becoming southeast 10 to 15 mph with gusts up to 25 mph after midnight. Monday: Sunny. Much warmer with highs in the upper 80s. South winds 15 to 20 mph with gusts up to 30 mph. Monday Night: Partly cloudy in the evening, then becoming mostly cloudy. Not as cool with lows in the upper 50s. South winds 15 to 20 mph, becoming northwest after midnight. Gusts up to 35 mph. Tuesday: Sunny, windy and not as warm with highs in the mid 70s. Tuesday Night: Clear, breezy, cooler with lows in the mid 40s. Wednesday: Sunny. Highs around 80. Wednesday Night: Mostly clear in the evening, then becoming partly cloudy. Windy and not as cool with lows in the mid 50s. Thursday: Mostly sunny and windy. Highs in the upper 80s. Thursday Night: Partly cloudy. Lows in the mid 50s. Friday: Mostly sunny. Highs in the upper 80s. Friday Night: Partly cloudy. Lows in the mid 50s. Saturday: Mostly sunny and breezy. Highs in the upper 80s. | |
| Zone Forecast: Gregory County | |
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