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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

70°F

21°C

Humidity 60%
Wind Speed NW 13 mph
Barometer 29.81 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 16 Apr 12:45 pm CDT
Extended Forecast for

Beloit WI

Flood Warning until further notice
Flood Warning April 16, 01:43pm until April 18, 10:00am
Click here for hazard details and duration
Flood Warning until further notice
Flood Warning
  •  
    Flood Warning until further notice
    Flood Warning April 16, 01:43pm until April 18, 10:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 70 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly clear, with a low around 54. Calm wind becoming southeast around 5 mph after midnight.

    Low: 54 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Some of the storms could be severe. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 79. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 79 °F

    Patchy Fog
    then Severe
    Thunderstorms
    and Breezy

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Some of the storms could be severe. Low around 39. South wind around 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 39 °F

    Severe
    Thunderstorms
    then Showers
    Likely

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 49. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 49 °F

    Slight Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. West wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 49. Northwest wind 10 to 15 mph.

    High: 49 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29. Northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 29 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 70. Northwest wind 5 to 10 mph.
Tonight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 54. Calm wind becoming southeast around 5 mph after midnight.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Some of the storms could be severe. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 79. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Friday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Some of the storms could be severe. Low around 39. South wind around 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Saturday
A 20 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 49. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 31. West wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 49. Northwest wind 10 to 15 mph.
Sunday Night
Mostly clear, with a low around 29. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Beloit WI
 42.52°N 89.02°W (Elev. 745 ft)
Last Update:
1:21 pm CDT Apr 16, 2026
Forecast Valid:
1pm CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation