| NWS Forecast for: Grant County Issued by: National Weather Service Norman, OK Last Update: 913 PM CDT Tue Jul 28 2026 | |
Tonight: Partly cloudy. Lows in the upper 70s. Southeast winds 5 to 10 mph. Heat index values up to 106 early this evening. Wednesday: Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs around 102. Southeast winds 5 to 10 mph. Chance of rain 20 percent. Wednesday Night: Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 70s. Southeast winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 107 early in the evening. Thursday: Mostly sunny. Hot with highs around 103. South winds 10 to 15 mph. Thursday Night: Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the upper 70s. South winds 10 to 15 mph. Chance of rain 20 percent. Heat index values up to 107 early in the evening. Friday: Sunny, hot with highs around 100. Friday Night: Mostly clear. Lows around 70. Saturday: Sunny. Highs in the lower 90s. Saturday Night: Clear. Lows in the mid 60s. Sunday: Sunny. Highs in the lower 90s. Sunday Night: Clear. Lows in the mid 60s. Monday: Sunny. Highs in the mid 90s. Monday Night: Clear. Lows in the upper 60s. Tuesday: Sunny. Highs in the upper 90s. | |
| Zone Forecast: Grant County | |
Visit your local NWS office at: https://www.weather.gov/oun |