| NWS Forecast for: Harper County Issued by: National Weather Service Norman, OK Last Update: 718 PM CDT Thu May 14 2026 |  |
Tonight: Mostly cloudy. A slight chance of showers and thunderstorms this evening. Breezy with lows in the mid 60s. South winds 15 to 25 mph, diminishing to 10 to 15 mph after midnight. Chance of rain 20 percent. Friday: Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Southeast winds 5 to 10 mph. Chance of rain 20 percent. Friday Night: Partly cloudy. Lows in the lower 60s. South winds 5 to 10 mph with gusts up to 20 mph. Saturday: Sunny. Highs in the upper 90s. Southwest winds 5 to 10 mph, becoming south 10 to 15 mph with gusts up to 30 mph in the afternoon. Saturday Night: Mostly clear and windy. Lows in the lower 70s. South winds 20 to 30 mph with gusts up to 45 mph. Sunday: Sunny. A slight chance of showers and thunderstorms in the afternoon. Windy with highs in the upper 90s. Chance of rain 20 percent. Sunday Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Windy with lows in the upper 60s. Chance of rain 20 percent. Monday: Sunny. A slight chance of showers and thunderstorms in the afternoon. Very windy with highs in the mid 90s. Chance of rain 20 percent. Monday Night: Mostly clear and windy. Lows in the mid 50s. Tuesday: Sunny. Highs in the lower 80s. Tuesday Night: Clear in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the lower 50s. Chance of rain 20 percent. Wednesday: Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 70s. Chance of rain 20 percent. Wednesday Night: Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the mid 50s. Chance of rain 40 percent. Thursday: Mostly cloudy with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the upper 70s. Chance of rain 40 percent. | |
| Zone Forecast: Harper County | |
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