| NWS Forecast for: Harmon County Issued by: National Weather Service Norman, OK Last Update: 535 AM CDT Sun May 17 2026 |  |
| Today: Sunny. A slight chance of showers and thunderstorms this afternoon. Breezy with highs in the mid 90s. South winds 15 to 25 mph. Gusts up to 40 mph this afternoon. Chance of rain 20 percent. Tonight: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Breezy with lows in the upper 60s. South winds 20 to 25 mph with gusts up to 40 mph. 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, increasing to 25 to 30 mph in the afternoon. Gusts up to 45 mph. Chance of rain 20 percent. Monday Night: Mostly clear and windy and less humid with lows in the lower 60s. South winds 20 to 30 mph with gusts up to 45 mph, becoming southwest 15 to 20 mph with gusts up to 35 mph after midnight. Tuesday: Sunny, cooler with highs in the lower 80s. North winds 15 to 20 mph with gusts up to 35 mph. Tuesday Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the mid 50s. Chance of rain 50 percent. Wednesday: Mostly cloudy. A slight chance of showers in the morning. Highs in the mid 70s. Chance of rain 20 percent. Wednesday Night: Mostly cloudy with a slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. 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 thunderstorms. A chance of showers. Lows in the mid 50s. Chance of rain 50 percent. Friday: Mostly cloudy in the morning, then becoming partly sunny. A slight chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 20 percent. Friday Night: Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 50s. Chance of rain 30 percent. Saturday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. | |
| Zone Forecast: Harmon County | |
Visit your local NWS office at: https://www.weather.gov/oun |