| NWS Forecast for: Sullivan County Issued by: National Weather Service Indianapolis, IN Last Update: 137 PM EDT Wed Apr 1 2026 | |
This Afternoon: Scattered thunderstorms. Numerous showers early, then scattered showers late. Not as warm with highs in the upper 60s. North winds 5 to 10 mph. Chance of rain 70 percent. Tonight: Mostly cloudy. Numerous showers and scattered thunderstorms through the late overnight, then isolated showers toward daybreak. Lows around 60. Temperature steady or slowly rising after midnight. East winds 5 to 10 mph, becoming southeast 10 to 15 mph with gusts up to 30 mph toward daybreak. Chance of rain 70 percent. Thursday: Mostly cloudy. Scattered showers and thunderstorms late in the afternoon. Breezy, warmer with highs around 80. South winds 15 to 25 mph with gusts up to 45 mph. Chance of rain 50 percent. Thursday Night: Numerous showers. Scattered thunderstorms through the late overnight, then isolated thunderstorms toward daybreak. Lows in the lower 60s. South winds 15 to 20 mph. Gusts up to 35 mph, decreasing to 25 mph toward daybreak. Chance of rain 70 percent. Friday: Showers likely. A slight chance of thunderstorms through early afternoon, then a chance of thunderstorms late in the afternoon. Highs in the upper 70s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent. Friday Night: Partly cloudy through the late overnight. A chance of thunderstorms. A chance of showers through the late overnight, then showers likely toward daybreak. Lows in the lower 60s. Chance of rain 70 percent. Saturday: Showers with a slight chance of thunderstorms. Highs in the upper 60s. Chance of rain 90 percent. Saturday Night: Partly cloudy. A chance of rain through the late overnight, then a slight chance of rain toward daybreak. Much cooler with lows in the upper 30s. Chance of rain 40 percent. Sunday: Partly cloudy through early afternoon, then clearing. Much cooler with highs in the lower 50s. Sunday Night: Clear. Lows in the lower 30s. Monday Through Tuesday: Mostly clear. Highs in the upper 50s. Lows around 40. | |
| Zone Forecast: Sullivan County | |
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