National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Partly Cloudy

63°F

17°C

Humidity 60%
Wind Speed S 10 mph
Barometer 30.28 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 3 Oct 11:45 am CDT
Extended Forecast for

4 Miles SSE Afton WI

  • This Afternoon

    This Afternoon: Sunny, with a high near 66. South wind around 10 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers between 1am and 3am. Partly cloudy, with a low around 48. South wind around 5 mph. Chance of precipitation is 20%.

    Low: 48 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 66. Northwest wind 5 to 10 mph.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. Northwest wind around 5 mph.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 64. Calm wind becoming north around 5 mph.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 41. Calm wind.

    Low: 41 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68. South wind 5 to 15 mph.

    High: 68 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. South wind 5 to 10 mph.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 66. South wind around 10 mph.
Tonight
A slight chance of showers between 1am and 3am. Partly cloudy, with a low around 48. South wind around 5 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 66. Northwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 40. Northwest wind around 5 mph.
Monday
Sunny, with a high near 64. Calm wind becoming north around 5 mph.
Monday Night
Clear, with a low around 41. Calm wind.
Tuesday
Sunny, with a high near 68. South wind 5 to 15 mph.
Tuesday Night
Mostly clear, with a low around 49. South wind 5 to 10 mph.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Mostly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Afton WI
 42.65°N 89.07°W (Elev. 748 ft)
Last Update:
10:32 am CDT Oct 3, 2026
Forecast Valid:
12pm CDT Oct 3, 2026-6pm CDT Oct 9, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation