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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Partly Cloudy

25°F

-4°C

Humidity 86%
Wind Speed Calm
Barometer 30.16 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 14 Mar 6:45 am CDT
Extended Forecast for

2 Miles NW Janesville WI

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

  • Today

    Today: A slight chance of snow between noon and 3pm. Mostly cloudy, with a high near 42. Light and variable wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 20%.

    High: 42 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tonight

    Tonight: A slight chance of snow between 10pm 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 and thunderstorms 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 north 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

    Breezy. Rain
    Likely then
    Rain

  • Sunday Night

    Sunday Night: Rain and snow, becoming all snow after 10pm. The snow could be heavy at times. Widespread blowing snow, mainly after 3am. Low around 17. 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 3 to 5 inches possible.

    Low: 17 °F

    Rain/Snow and
    Blowing Snow

  • Monday

    Monday: Snow likely, mainly before 1pm. Widespread blowing snow, mainly before 7am. Cloudy, with a high near 21. Windy, with a northwest wind 25 to 30 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 Blowing
    Snow

  • Monday Night

    Monday Night: Cloudy during the early evening, then gradual clearing, with a low around 3. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph.

    Low: 3 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 22. West wind 5 to 10 mph.

    High: 22 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after 1am. Mostly cloudy, with a low around 15. South wind 5 to 10 mph. Chance of precipitation is 70%.

    Low: 15 °F

    Snow Likely

  • Wednesday

    Wednesday: A 20 percent chance of snow before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 41.

    High: 41 °F

    Slight Chance
    Snow

Detailed Forecast

Today
A slight chance of snow between noon and 3pm. Mostly cloudy, with a high near 42. Light and variable wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 20%.
Tonight
A slight chance of snow between 10pm 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 and thunderstorms 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 north 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
Rain and snow, becoming all snow after 10pm. The snow could be heavy at times. Widespread blowing snow, mainly after 3am. Low around 17. 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 3 to 5 inches possible.
Monday
Snow likely, mainly before 1pm. Widespread blowing snow, mainly before 7am. Cloudy, with a high near 21. Windy, with a northwest wind 25 to 30 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 3. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph.
Tuesday
Mostly sunny, with a high near 22. West wind 5 to 10 mph.
Tuesday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 15. South wind 5 to 10 mph. Chance of precipitation is 70%.
Wednesday
A 20 percent chance of snow before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 41.
Wednesday Night
Partly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 49.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
Partly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Janesville WI
 42.71°N 89.03°W (Elev. 768 ft)
Last Update:
6:26 am CDT Mar 14, 2026
Forecast Valid:
6am CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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