| NWS Forecast for: Sullivan County Issued by: National Weather Service Indianapolis, IN Last Update: 351 PM EDT Mon Jun 29 2026 | |
Tonight: Partly cloudy. Humid with lows in the mid 70s. South winds 5 to 10 mph. Gusts up to 20 mph late this afternoon. Tuesday: Mostly sunny. Hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 108. Tuesday Night: Clear with lows in the lower 70s. South winds 5 to 10 mph. Wednesday: Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Wednesday Night: Clear with lows in the mid 70s. South winds around 5 mph. Thursday: Sunny, hot with highs in the mid 90s. Thursday Night: Mostly clear with a slight chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 20 percent. Friday: Mostly sunny through early afternoon, then becoming partly cloudy. A chance of showers and thunderstorms. Hot with highs in the lower 90s. Chance of rain 50 percent. Friday Night: Partly cloudy through the late overnight, then clearing. A slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent. Independence Day: Partly cloudy with a slight chance of showers and thunderstorms through early afternoon, then mostly sunny with a chance of showers and thunderstorms late in the afternoon. Hot with highs around 90. Chance of rain 40 percent. Saturday Night: Partly cloudy through the late overnight, then clearing. A slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent. Sunday: Partly cloudy with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50 percent. Sunday Night And Monday: Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Highs in the mid 80s. Chance of rain 40 percent. | |
| Zone Forecast: Sullivan County | |
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