| NWS Forecast for: Simpson County Issued by: National Weather Service Louisville, KY Last Update: 307 AM CDT Thu Jul 23 2026 |  |
| Today: Sunny. Highs in the lower 80s. Northeast winds 5 to 10 mph. Tonight: Partly cloudy. Lows in the lower 60s. Northeast winds up to 5 mph. Friday: Mostly sunny. Highs in the mid 80s. North winds up to 5 mph. Friday Night: Mostly cloudy. Chance of showers and slight chance of thunderstorms after midnight. Lows in the upper 60s. North winds up to 5 mph in the evening becoming light. Chance of precipitation 50 percent. Saturday: Showers likely and chance of thunderstorms. Highs in the mid 80s. Southeast winds up to 5 mph shifting to the southwest in the afternoon. Chance of precipitation 60 percent. Saturday Night: Mostly cloudy. Chance of thunderstorms in the evening, then chance of showers and slight chance of thunderstorms after midnight. Lows in the lower 70s. Chance of precipitation 50 percent. Sunday: Mostly sunny. A 20 percent chance of thunderstorms in the morning. Highs in the upper 80s. Sunday Night: Mostly clear. Lows in the lower 70s. Monday: Sunny. Highs in the lower 90s. Monday Night: Mostly clear. Lows in the mid 70s. Tuesday: Sunny. Highs in the lower 90s. Tuesday Night: Partly cloudy. Lows in the lower 70s. Wednesday: Mostly sunny with a 20 percent chance of thunderstorms. Highs in the upper 80s. | |
| Zone Forecast: Simpson County | |
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