| NWS Forecast for: Harmon County Issued by: National Weather Service Norman, OK Last Update: 128 AM CDT Tue Aug 18 2026 |  |
Rest Of Tonight: Clear. Lows in the lower 70s. East winds 5 to 10 mph. Tuesday: Sunny, hot with highs around 108. Southwest winds 5 to 10 mph. Tuesday Night: Mostly clear. Lows in the upper 70s. South winds 10 to 15 mph. Heat index values up to 106 early in the evening. Wednesday: Sunny, hot with highs around 108. Southwest winds around 10 mph with gusts up to 20 mph. Wednesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. South winds 10 to 15 mph, becoming east 5 to 10 mph after midnight. Thursday: Sunny, hot with highs 100 to 105. Thursday Night: Mostly clear. Lows in the lower 70s. Friday: Sunny, hot with highs 100 to 105. Friday Night: Mostly clear. Lows in the mid 70s. Saturday: Sunny, hot with highs 105 to 110. Saturday Night: Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. Sunday: Sunny, hot with highs around 110. Sunday Night: Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. Monday: Sunny, hot with highs around 110. | |
| Zone Forecast: Harmon County | |
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