| NWS Forecast for: Sullivan County Issued by: National Weather Service Indianapolis, IN Last Update: 908 PM EDT Mon Oct 5 2026 | |
| Rest Of Tonight: Clear. Lows in the mid 40s. Light and variable winds, becoming east around 5 mph toward daybreak. Tuesday: Sunny. Highs in the mid 70s. Southeast winds around 5 mph. Tuesday Night: Clear. Lows around 50. South winds around 5 mph. Wednesday: Sunny. Highs in the mid 80s. Southwest winds 5 to 10 mph. Wednesday Night: Clear. Lows in the mid 50s. West winds around 5 mph, becoming north toward daybreak. Thursday: Sunny. Highs around 80. Thursday Night: Mostly clear. Lows around 50. Friday Through Saturday: Clear. Highs in the upper 70s. Lows in the upper 40s. Saturday Night: Mostly clear. Lows in the mid 50s. Sunday Through Columbus Day: Partly cloudy with a 20 percent chance of showers. Highs around 80. Lows in the upper 50s. | |
| Zone Forecast: Sullivan County | |
Visit your local NWS office at: https://www.weather.gov/ind |