| NWS Forecast for: Simpson County Issued by: National Weather Service Jackson, MS Last Update: 126 PM CDT Thu Sep 10 2026 | |
| This Afternoon: Partly sunny with a chance of showers and thunderstorms. Highs in the mid 90s. Temperature falling into the upper 80s late. East winds around 5 mph. Chance of rain 50 percent. Tonight: Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 70s. South winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent. Friday: Partly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the lower 90s. Temperature falling into the mid 80s in the afternoon. South winds around 5 mph. Chance of rain 70 percent. Friday Night: Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 70s. South winds around 5 mph in the evening, becoming light and variable. Chance of rain 40 percent. Saturday: Mostly sunny. Showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds around 5 mph. Chance of rain 70 percent. Saturday Night: Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 70s. Chance of rain 30 percent. Sunday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 50 percent. Heat index values up to 105. Sunday Night: Partly cloudy in the evening, then clearing. Lows in the lower 70s. Monday Through Tuesday Night: Mostly clear. Highs in the mid 90s. Lows in the lower 70s. Heat index values up to 105. Wednesday: Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 30 percent. | |
| Zone Forecast: Simpson County | |
Visit your local NWS office at: https://www.weather.gov/jan |