Johnston County, OK

Johnston County rain, outlook and forecast

Most of Johnston County, OK was in severe drought (D2) on the Oct 27 U.S. Drought Monitor map, with 7% at extreme drought (D3), and D2-or-worse drought has held there 11 weeks running. Over 90 days rain is at 76% of normal, and the last 30 days came in at 52% (below normal); the 6-10 day outlook for Nov 7–11 leans toward near-normal rain and the best rain chance this week is 98% on Monday (high 82°). FSA's 2026 LFP list includes Johnston County with up to 4 monthly payments, and Ada is the closest USDA-reported sale barn at 31 miles.

Next 7 days

1. Today Partly Sunny, high 79°, low 61°, 4% rain, wind 3–8 mph
2. Monday Mostly Cloudy then Chance Showers And Thunderstorms, high 82°, low 58°, 98% rain, wind 7–21 mph
3. Tuesday Mostly Sunny, high 73°, low 47°, 5% rain, wind 2–15 mph
4. Wednesday Sunny, high 72°, low 45°, 2% rain, wind 2–7 mph
5. Thursday Slight Chance Rain Showers then Sunny, high 73°, low 45°, 16% rain, wind 1–6 mph
6. Friday Sunny, high 71°, low 45°, 4% rain, wind 2–6 mph
7. Saturday Mostly Sunny then Slight Chance Rain Showers, high 72°, low 47°, 23% rain, wind 1–7 mph

National Weather Service forecast for the county center, updated Nov 1, 2026. Wind, warnings and burn bans.