| NWS Forecast for: Johnston County Issued by: National Weather Service Norman, OK Last Update: 1044 AM CDT Sun Apr 19 2026 | |
| This Afternoon: Sunny. Highs in the lower 70s. South winds around 5 mph. Tonight: Mostly clear. Lows in the mid 40s. South winds around 5 mph. Monday: Mostly sunny. Highs in the lower 70s. South winds 5 to 10 mph. Monday Night: Mostly cloudy. A slight chance of showers after midnight. Lows in the lower 50s. South winds 5 to 10 mph. Chance of rain 20 percent. Tuesday: Mostly cloudy. A slight chance of showers and thunderstorms in the morning. Highs in the mid 60s. South winds 10 to 15 mph. Chance of rain 20 percent. Tuesday Night: Mostly cloudy. Lows in the mid 50s. Wednesday: Mostly cloudy. Highs in the mid 70s. Wednesday Night: Mostly cloudy. Lows in the lower 60s. Thursday: Mostly cloudy. Highs in the upper 70s. Thursday Night: Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers and thunderstorms. Lows in the lower 60s. Chance of rain 40 percent. Friday: Partly sunny in the morning, then clearing. A slight chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 20 percent. Friday Night: Mostly clear with a slight chance of showers and thunderstorms. Lows in the lower 50s. Chance of rain 20 percent. Saturday: Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 70s. Chance of rain 20 percent. | |
| Zone Forecast: Johnston County | |
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