7-Day Zone Forecast for Harmon County (Text-Only)
NWS Forecast for: Harmon County
Issued by: National Weather Service Norman, OK
Last Update: 128 PM CDT Sun May 17 2026




This Afternoon: Sunny, breezy. Near steady temperature in the mid 90s. South winds 20 to 25 mph with gusts up to 40 mph.

Tonight: Mostly clear. A slight chance of showers and thunderstorms in the evening. Windy with lows in the upper 60s. South winds 25 to 30 mph with gusts up to 45 mph, diminishing to 15 to 25 mph with gusts up to 35 mph after midnight. Chance of rain 20 percent.

Monday: Mostly sunny with a slight chance of showers and thunderstorms. Windy with highs in the upper 90s. South winds 15 to 25 mph with gusts up to 35 mph, increasing to 25 to 30 mph with gusts up to 45 mph in the afternoon. Chance of rain 20 percent.

Monday Night: Mostly clear. A chance of showers with a slight chance of thunderstorms after midnight. Windy and less humid with lows in the upper 50s. South winds 20 to 30 mph with gusts up to 45 mph, becoming southwest 15 to 20 mph with gusts up to 30 mph after midnight. Chance of rain 30 percent.

Tuesday: Mostly sunny and breezy, cooler with highs in the upper 70s. North winds 15 to 25 mph with gusts up to 35 mph.

Tuesday Night: Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the lower 50s. Chance of rain 50 percent.

Wednesday: Mostly cloudy. A slight chance of showers and thunderstorms in the morning. Highs in the mid 70s. Chance of rain 20 percent.

Wednesday Night: Showers likely with a chance of thunderstorms. Lows in the mid 50s. Chance of rain 70 percent.

Thursday: Showers likely with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 70 percent.

Thursday Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 50s. Chance of rain 50 percent.

Friday: Partly sunny. Highs in the lower 80s.

Friday Night: Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy after midnight. Lows in the upper 50s. Chance of rain 30 percent.

Saturday: Mostly sunny. Highs in the mid 80s.







Zone Forecast: Harmon County

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