7-Day Zone Forecast for Sullivan County (Text-Only)
NWS Forecast for: Sullivan County
Issued by: National Weather Service Indianapolis, IN
Last Update: 358 AM EDT Mon Aug 10 2026




Today: Partly cloudy, then becoming mostly sunny through early afternoon, then becoming partly cloudy. Hot with highs in the lower 90s. Southwest winds 5 to 10 mph. Gusts up to 20 mph.

Tonight: Partly cloudy. Isolated showers and thunderstorms through the late overnight, then scattered showers and thunderstorms toward daybreak. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.

Tuesday: Partly cloudy through early afternoon, then clearing. Scattered showers and thunderstorms. Hot with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.

Tuesday Night: Mostly clear with isolated showers and thunderstorms through the late overnight, then partly cloudy with scattered showers and thunderstorms toward daybreak. Humid with lows in the mid 70s. Southwest winds around 5 mph. Chance of rain 50 percent.

Wednesday: Partly cloudy. Isolated showers and thunderstorms through early afternoon, then scattered showers and thunderstorms late in the afternoon. Hot with highs around 90. West winds 5 to 10 mph. Chance of rain 50 percent.

Wednesday Night: Numerous showers. Scattered thunderstorms through the late overnight, then isolated thunderstorms toward daybreak. Lows in the lower 70s. Chance of rain 60 percent.

Thursday: Scattered thunderstorms. Numerous showers through early afternoon, then scattered showers late in the afternoon. Highs in the mid 80s. Chance of rain 70 percent.

Thursday Night: Showers likely with a chance of thunderstorms. Lows in the upper 60s. Chance of rain 70 percent.

Friday: Mostly cloudy through early afternoon, then becoming partly cloudy. A slight chance of thunderstorms. A chance of showers through early afternoon, then a slight chance of showers late in the afternoon. Highs in the mid 80s. Chance of rain 40 percent.

Friday Night: Partly cloudy with a slight chance of thunderstorms. A slight chance of showers through the late overnight, then a chance of showers toward daybreak. Lows in the upper 60s. Chance of rain 30 percent.

Saturday: Partly cloudy with a slight chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 20 percent.

Saturday Night: Partly cloudy. A slight chance of showers toward daybreak. Lows in the lower 70s. Chance of rain 20 percent.

Sunday: Partly cloudy with a slight chance of showers. A slight chance of thunderstorms late in the afternoon. Highs in the mid 80s. Chance of rain 20 percent.







Zone Forecast: Sullivan County

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