| NWS Forecast for: Knox County Issued by: National Weather Service Indianapolis, IN Last Update: 604 AM EDT Sat Jun 27 2026 |  |
Today: Mostly cloudy with scattered showers and thunderstorms through early afternoon, then numerous showers and scattered thunderstorms late this afternoon. Some thunderstorms may produce heavy rainfall through early afternoon. Highs in the lower 80s. Southwest winds around 5 mph. Chance of rain 70 percent. Tonight: Partly cloudy with scattered showers and thunderstorms. Humid with lows around 70. Southwest winds around 5 mph. Chance of rain 40 percent. Sunday: Partly cloudy. Hot with highs around 90. South winds around 5 mph. Sunday Night: Mostly clear. Humid with lows in the mid 70s. South winds around 5 mph. Monday: Sunny, hot with highs in the lower 90s. South winds 5 to 10 mph. Heat index values up to 108. Monday Night Through Thursday Night: Clear, hot. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 110. Friday: Mostly sunny. A slight chance of showers and thunderstorms through early afternoon, then a chance of showers and thunderstorms late in the afternoon. Hot with highs in the lower 90s. Chance of rain 30 percent. | |
| Zone Forecast: Knox County | |
Visit your local NWS office at: https://www.weather.gov/ind |