| NWS Forecast for: Harper County Issued by: National Weather Service Norman, OK Last Update: 114 AM CDT Sun Mar 29 2026 |  |
| Rest Of Tonight: Mostly clear and breezy. Lows in the mid 40s. South winds 15 to 25 mph with gusts up to 40 mph. Sunday: Sunny, breezy and much warmer with highs in the lower 90s. Southwest winds 15 to 25 mph. Gusts up to 40 mph in the morning. Sunday Night: Mostly clear. Lows in the mid 50s. South winds 10 to 15 mph with gusts up to 30 mph. Monday: Sunny. Highs in the mid 90s. South winds 15 to 20 mph with gusts up to 35 mph. Monday Night: Mostly cloudy in the evening, then becoming partly cloudy. Breezy with lows in the lower 60s. South winds 15 to 25 mph with gusts up to 40 mph. Tuesday: Partly sunny. A slight chance of showers in the afternoon. Breezy with highs in the lower 80s. Chance of rain 20 percent. Tuesday Night: Mostly cloudy with a 30 percent chance of showers. Much cooler with lows in the lower 40s. Wednesday: Mostly cloudy. A slight chance of showers in the afternoon. Much cooler with highs in the upper 50s. Chance of rain 20 percent. Wednesday Night: A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the upper 30s. Chance of rain 50 percent. Thursday: Mostly cloudy with a slight chance of rain showers in the morning, then partly sunny in the afternoon. Highs in the upper 60s. Chance of rain 20 percent. Thursday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s. Friday: Partly sunny. A chance of showers in the afternoon. Breezy with highs in the upper 70s. Chance of rain 20 percent. Friday Night: Partly cloudy. A chance of showers, mainly in the evening. Breezy with lows in the lower 40s. Chance of rain 30 percent. Saturday: Mostly sunny. Highs in the upper 60s. | |
| Zone Forecast: Harper County | |
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