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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

36°F

2°C

Humidity 87%
Wind Speed Calm
Barometer 29.87 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 20 Mar 1:55 am CDT
Extended Forecast for

5 Miles WSW Fort Atkinson WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 38. Southwest wind 5 to 10 mph.

    Low: 38 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 54. West wind around 10 mph becoming north in the afternoon.

    High: 54 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38. North wind around 5 mph becoming calm.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 64. South wind 5 to 10 mph.

    High: 64 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 1am. Partly cloudy, with a low around 46. Southwest wind 5 to 10 mph.

    Low: 46 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: A 30 percent chance of rain before 1pm. Mostly cloudy, with a high near 51. Northeast wind 10 to 15 mph.

    High: 51 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 27. North wind 10 to 15 mph.

    Low: 27 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 47. North wind around 5 mph.

    High: 47 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 32.

    Low: 32 °F

    Increasing
    Clouds

Detailed Forecast

Overnight
Mostly cloudy, with a low around 38. Southwest wind 5 to 10 mph.
Friday
Mostly cloudy, with a high near 54. West wind around 10 mph becoming north in the afternoon.
Friday Night
Mostly cloudy, with a low around 38. North wind around 5 mph becoming calm.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 64. South wind 5 to 10 mph.
Saturday Night
A 20 percent chance of rain after 1am. Partly cloudy, with a low around 46. Southwest wind 5 to 10 mph.
Sunday
A 30 percent chance of rain before 1pm. Mostly cloudy, with a high near 51. Northeast wind 10 to 15 mph.
Sunday Night
Mostly cloudy, with a low around 27. North wind 10 to 15 mph.
Monday
Mostly sunny, with a high near 47. North wind around 5 mph.
Monday Night
Increasing clouds, with a low around 32.
Tuesday
Mostly cloudy, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 50.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 39.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Fort Atkinson WI
 42.88°N 88.93°W (Elev. 774 ft)
Last Update:
1:35 am CDT Mar 20, 2026
Forecast Valid:
2am CDT Mar 20, 2026-6pm CDT Mar 26, 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