| NWS Forecast for: Knox County Issued by: National Weather Service Indianapolis, IN Last Update: 228 AM EDT Sat Jun 27 2026 | |
Today: Showers and scattered thunderstorms. Some thunderstorms may produce heavy rainfall. Humid with highs in the lower 80s. South winds around 5 mph, becoming southwest. Chance of rain 80 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 | |
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