7-Day Zone Forecast for Jefferson County (Text-Only)
NWS Forecast for: Jefferson County
Issued by: National Weather Service Milwaukee, WI
Last Update: 430 PM CDT Tue Jul 28 2026




Late This Afternoon: Sunny. Northeast winds 5 to 10 mph.

Tonight: Clear. Lows in the upper 50s. East winds up to 5 mph.

Wednesday: Sunny. Highs in the mid 80s. North winds up to 5 mph shifting to the west in the afternoon.

Wednesday Night: Clear in the evening then becoming partly cloudy. Lows in the lower 60s. Southwest winds up to 5 mph.

Thursday: Mostly sunny. Highs in the upper 80s. Southwest winds up to 5 mph.

Thursday Night: Partly cloudy through around midnight then becoming mostly cloudy. Lows in the mid 60s. South winds up to 5 mph.

Friday: Cloudy. Chance of light showers in the morning, then showers likely and slight chance of thunderstorms in the afternoon. Highs around 80. Chance of precipitation 70 percent.

Friday Night: Showers likely and chance of thunderstorms. Lows in the mid 60s. Chance of precipitation 70 percent.

Saturday: Mostly cloudy with chance of light showers and slight chance of thunderstorms. Highs around 80. Chance of precipitation 50 percent.

Saturday Night: Partly cloudy. Lows in the lower 60s.

Sunday: Mostly sunny. Highs in the lower 80s.

Sunday Night: Clear. Lows in the upper 50s.

Monday: Sunny. Highs in the mid 80s.

Monday Night: Mostly clear. Lows in the lower 60s.

Tuesday: Mostly sunny. Highs in the upper 80s.







Zone Forecast: Jefferson County

Visit your local NWS office at: https://www.weather.gov/mkx