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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

28°F

-2°C

Humidity 69%
Wind Speed N 3 mph
Barometer 30.07 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 13 Mar 10:55 pm CDT
Extended Forecast for

5 Miles SSW Janesville WI

Winter Storm Watch March 15, 04:00pm until March 16, 07:00pm
Click here for hazard details and duration
Winter Storm Watch

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Northwest wind 5 to 10 mph.

    Low: 27 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow between 11am and 3pm. Cloudy, with a high near 40. Light and variable wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 20%.

    High: 40 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: A slight chance of snow between 11pm and midnight, then a chance of rain. Cloudy, with a low around 32. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    Low: 32 °F

    Slight Chance
    Snow then
    Chance Rain

  • Sunday

    Sunday: Rain likely before 1pm, then rain and possibly a thunderstorm between 1pm and 4pm, then rain after 4pm. High near 57. Breezy, with a southeast wind 15 to 20 mph becoming south in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 57 °F

    Rain Likely
    then Rain and
    Breezy

  • Sunday Night

    Sunday Night: Snow, possibly mixed with rain, becoming all snow after 1am. The snow could be heavy at times. Patchy blowing snow after 10pm. Low around 18. Windy, with a north wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 18 °F

    Rain/Snow and
    Patchy
    Blowing Snow

  • Monday

    Monday: Snow likely, mainly before 1pm. Areas of blowing snow. Cloudy, with a high near 21. Windy, with a northwest wind around 25 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 21 °F

    Snow Likely
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: Cloudy during the early evening, then gradual clearing, with a low around 4. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 4 °F

    Decreasing
    Clouds and
    Blustery then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 23. Northwest wind around 10 mph.

    High: 23 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 15.

    Low: 15 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 27. Northwest wind 5 to 10 mph.
Saturday
A slight chance of snow between 11am and 3pm. Cloudy, with a high near 40. Light and variable wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 20%.
Saturday Night
A slight chance of snow between 11pm and midnight, then a chance of rain. Cloudy, with a low around 32. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Sunday
Rain likely before 1pm, then rain and possibly a thunderstorm between 1pm and 4pm, then rain after 4pm. High near 57. Breezy, with a southeast wind 15 to 20 mph becoming south in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Snow, possibly mixed with rain, becoming all snow after 1am. The snow could be heavy at times. Patchy blowing snow after 10pm. Low around 18. Windy, with a north wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Monday
Snow likely, mainly before 1pm. Areas of blowing snow. Cloudy, with a high near 21. Windy, with a northwest wind around 25 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Monday Night
Cloudy during the early evening, then gradual clearing, with a low around 4. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 23. Northwest wind around 10 mph.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 15.
Wednesday
A 20 percent chance of snow before 1pm. Partly sunny, with a high near 41.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
Partly sunny, with a high near 49.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Janesville WI
 42.63°N 89.04°W (Elev. 804 ft)
Last Update:
10:33 pm CDT Mar 13, 2026
Forecast Valid:
11pm CDT Mar 13, 2026-6pm CDT Mar 20, 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