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| NWS Forecast for: Jefferson County Issued by: National Weather Service Milwaukee, WI Last Update: 731 AM CDT Wed Jun 10 2026 | |
Today: Warm and humid. Partly sunny. Patchy fog in the morning. Showers and thunderstorms likely in the afternoon. Some thunderstorms may be severe with damaging winds and large hail. Locally heavy rainfall possible early in the afternoon. Highs in the mid 80s. South winds 5 to 15 mph shifting to the southwest 15 to 20 mph with gusts to around 35 mph in the afternoon. Chance of precipitation 60 percent. Highest heat index readings 95 to 96 early in the afternoon. Tonight: Mostly cloudy with showers and thunderstorms likely in the evening, then mostly cloudy with chance of showers and thunderstorms in the late evening and early morning. Partly cloudy early in the morning. Patchy fog after midnight. Some thunderstorms may be severe in the evening. Lows in the upper 60s. Southwest winds 15 to 20 mph decreasing to 5 to 10 mph after midnight. Chance of precipitation 60 percent. Thursday: Mostly cloudy. Chance of showers and thunderstorms late in the morning. Showers and thunderstorms in the afternoon. Highs in the mid 80s. South winds up to 10 mph increasing to 10 to 15 mph in the afternoon. Chance of precipitation 90 percent. Thursday Night: Cooler. Mostly cloudy with rain showers likely and chance of thunderstorms through around midnight, then mostly clear after midnight. Lows in the mid 50s. West winds 5 to 15 mph. Chance of precipitation 70 percent. Friday: Sunny. Highs in the upper 70s. West winds 10 to 15 mph. Friday Night: Clear. Lows in the upper 50s. Saturday: Mostly sunny. A 40 percent chance of light showers and thunderstorms in the afternoon. Highs in the lower 80s. Saturday Night: Partly cloudy. Rain showers likely and slight chance of thunderstorms through around midnight, then chance of light rain showers after midnight. Lows in the mid 50s. Chance of precipitation 60 percent. Sunday: Mostly sunny. Cooler. Highs in the lower 70s. Sunday Night: Partly cloudy with a 20 percent chance of light rain showers. Lows in the lower 50s. Monday: Partly sunny with a 20 percent chance of light rain showers. Highs in the lower 70s. Monday Night: Partly cloudy with a 20 percent chance of light rain showers and thunderstorms. Lows in the lower 50s. Tuesday: Partly sunny. A 40 percent chance of light rain showers and thunderstorms in the afternoon. Highs in the mid 70s. | |
| Zone Forecast: Jefferson County | |
Visit your local NWS office at: https://www.weather.gov/mkx |