Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

East Troy Municipal Airport (K57C)

Lat: 42.8°NLon: 88.37°WElev: 860ft.

Fair

67°F

19°C

Humidity 43%
Wind Speed SE 8 mph
Barometer 30.20 in
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 3 Oct 2:55 pm CDT
Extended Forecast for

Jefferson WI

  • Tonight

    Tonight: A chance of sprinkles with a slight chance of showers before 1am, then a chance of showers between 1am and 3am.  Mostly cloudy, then gradually becoming mostly clear, with a low around 48. South wind around 5 mph.  Chance of precipitation is 40%.

    Low: 48 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 67. Northwest wind 5 to 10 mph.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 38. Northwest wind around 5 mph.

    Low: 38 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 63. Calm wind.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 40. Calm wind becoming south around 5 mph.

    Low: 40 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 67. South wind 5 to 15 mph.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. Southwest wind 5 to 10 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 70. West wind 5 to 10 mph.

    High: 70 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of sprinkles with a slight chance of showers before 1am, then a chance of showers between 1am and 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 48. South wind around 5 mph. Chance of precipitation is 40%.
Sunday
Sunny, with a high near 67. Northwest wind 5 to 10 mph.
Sunday Night
Clear, with a low around 38. Northwest wind around 5 mph.
Monday
Sunny, with a high near 63. Calm wind.
Monday Night
Clear, with a low around 40. Calm wind becoming south around 5 mph.
Tuesday
Sunny, with a high near 67. South wind 5 to 15 mph.
Tuesday Night
Mostly clear, with a low around 50. Southwest wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 70. West wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Jefferson WI
 43.01°N 88.81°W (Elev. 833 ft)
2:36 pm CDT Oct 3, 2026
3pm CDT Oct 3, 2026-6pm CDT Oct 10, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database