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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

A Few Clouds and Breezy

54°F

12°C

Humidity 54%
Wind Speed N 23 G 30 mph
Barometer 29.99 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 13 May 8:45 am CDT
Extended Forecast for

5 Miles SSW Janesville WI

  • Today

    Today: Mostly cloudy, with a high near 65. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 65 °F

    Mostly Cloudy
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 38. North wind 5 to 10 mph becoming light in the evening.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70. Light south wind increasing to 5 to 10 mph in the afternoon.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers after 1am. Increasing clouds, with a low around 50. Southeast wind 10 to 15 mph.

    Low: 50 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 79. South wind around 15 mph, with gusts as high as 25 mph.

    High: 79 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 54. South wind 5 to 10 mph becoming light southwest after midnight. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 56. South wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Showers
    Likely

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78.

    High: 78 °F

    Chance
    T-storms

Detailed Forecast

Today
Mostly cloudy, with a high near 65. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 38. North wind 5 to 10 mph becoming light in the evening.
Thursday
Sunny, with a high near 70. Light south wind increasing to 5 to 10 mph in the afternoon.
Thursday Night
A 50 percent chance of showers after 1am. Increasing clouds, with a low around 50. Southeast wind 10 to 15 mph.
Friday
A 30 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 79. South wind around 15 mph, with gusts as high as 25 mph.
Friday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 54. South wind 5 to 10 mph becoming light southwest after midnight. Chance of precipitation is 20%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.
Saturday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 56. South wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Monday
Showers and thunderstorms likely. Partly sunny, with a high near 85. Breezy. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers. Mostly cloudy, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Janesville WI
 42.63°N 89.04°W (Elev. 804 ft)
Last Update:
8:37 am CDT May 13, 2026
Forecast Valid:
8am CDT May 13, 2026-6pm CDT May 19, 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