| NWS Forecast for: Sullivan County Issued by: National Weather Service Indianapolis, IN Last Update: 603 AM EDT Sat Aug 15 2026 |  |
Today: Mostly cloudy through early afternoon, then becoming partly cloudy. Isolated thunderstorms. Scattered showers through early afternoon, then isolated showers late this afternoon. Highs in the upper 80s. Southeast winds around 5 mph, becoming southwest late this afternoon. Chance of rain 50 percent. Tonight: Partly cloudy. A slight chance of showers and thunderstorms toward daybreak. Humid with lows in the mid 70s. Southwest winds around 5 mph. Chance of rain 20 percent. Sunday: Partly cloudy with a chance of showers and thunderstorms. Hot with highs around 90. West winds 5 to 10 mph. Chance of rain 50 percent. Sunday Night: Partly cloudy. A chance of showers and thunderstorms through the late overnight, then a slight chance of showers toward daybreak. Humid with lows in the lower 70s. Northwest winds around 5 mph. Chance of rain 50 percent. Monday: Partly cloudy through early afternoon, then clearing. Humid with highs in the mid 80s. North winds 5 to 10 mph. Monday Night And Tuesday: Mostly clear. Lows in the mid 60s. Highs in the mid 80s. Tuesday Night: Mostly clear through the late overnight, then partly cloudy with a slight chance of showers and thunderstorms toward daybreak. Lows in the upper 60s. Chance of rain 20 percent. Wednesday: Partly cloudy with a chance of showers. A slight chance of thunderstorms through early afternoon, then a chance of thunderstorms late in the afternoon. Highs in the upper 80s. Chance of rain 40 percent. Wednesday Night: Partly cloudy. A chance of showers with a slight chance of thunderstorms through the late overnight, then a slight chance of showers toward daybreak. Lows in the mid 60s. Chance of rain 30 percent. Thursday And Thursday Night: Partly cloudy. Highs in the lower 80s. Lows around 60. Friday: Partly cloudy. A slight chance of showers through early afternoon. Highs around 80. Chance of rain 20 percent. | |
| Zone Forecast: Sullivan County | |
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