| NWS Forecast for: Harper County Issued by: National Weather Service Norman, OK Last Update: 833 PM CDT Fri May 15 2026 | |
Tonight: Mostly clear. A slight chance of showers and thunderstorms this evening. Lows in the mid 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent. Saturday: Sunny. Highs in the upper 90s. Southwest winds 5 to 10 mph, increasing to south 15 to 20 mph with gusts up to 30 mph in the afternoon. Saturday Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Windy with lows around 70. South winds 20 to 30 mph with gusts up to 45 mph. Chance of rain 10 percent. Sunday: Sunny, windy with highs in the upper 90s. South winds 25 to 30 mph with gusts up to 50 mph. Sunday Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Windy with lows in the upper 60s. South winds 20 to 30 mph with gusts up to 45 mph. Chance of rain 20 percent. Monday: Sunny, windy with highs in the mid 90s. Monday Night: Mostly clear and windy, cooler with lows in the lower 50s. Tuesday: Sunny, cooler with highs in the upper 70s. Tuesday Night: Mostly clear in the evening, then partly cloudy with a slight chance of showers after midnight. Lows around 50. Chance of rain 20 percent. Wednesday: Partly sunny. A slight chance of showers in the morning. Highs in the lower 70s. Chance of rain 20 percent. Wednesday Night: Mostly cloudy. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 50s. Chance of rain 40 percent. Thursday: Mostly cloudy with a chance of showers in the morning, then partly sunny with a slight chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 40 percent. Thursday Night: A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the mid 50s. Chance of rain 30 percent. Friday: Mostly cloudy in the morning, then becoming partly sunny. A 20 percent chance of showers. Highs in the lower 80s. | |
| Zone Forecast: Harper County | |
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