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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

37°F

3°C

Humidity 87%
Wind Speed E 6 mph
Barometer 30.09 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 1 May 9:15 pm CDT
Extended Forecast for

Beloit WI

Flood Warning May 1, 09:25pm until May 7, 01:00pm
Freeze Warning May 2, 12:00am until May 2, 08:00am
Click here for hazard details and duration
Flood Warning
Freeze Warning
  •  
    Flood Warning May 1, 09:25pm until May 7, 01:00pm

    NOW until 1:00pm Thu

    Flood Warning

  • Tonight

    Low: 32 °F

    Partly Cloudy
    then Frost

  • Saturday

    Saturday: Widespread frost, mainly before 7am. Otherwise, increasing clouds, with a high near 56. Light north wind increasing to 5 to 10 mph in the morning.

    High: 56 °F

    Frost then
    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41. Southwest wind 5 to 10 mph.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: Scattered showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 64. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 64 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 43. West wind 5 to 10 mph becoming light in the evening. Chance of precipitation is 10%.

    Low: 43 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 73. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 73 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 45. West wind 5 to 10 mph. Chance of precipitation is 40%.

    Low: 45 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 59. Northwest wind 5 to 10 mph.

    High: 59 °F

    Chance
    Showers

Detailed Forecast

Tonight
Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 32. East wind around 5 mph becoming calm in the evening.
Saturday
Widespread frost, mainly before 7am. Otherwise, increasing clouds, with a high near 56. Light north wind increasing to 5 to 10 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 41. Southwest wind 5 to 10 mph.
Sunday
Scattered showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 64. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Sunday Night
A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 43. West wind 5 to 10 mph becoming light in the evening. Chance of precipitation is 10%.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 73. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 45. West wind 5 to 10 mph. Chance of precipitation is 40%.
Tuesday
A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 59. Northwest wind 5 to 10 mph.
Tuesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 38.
Wednesday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 57.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 38.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 64.
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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:
8:37 pm CDT May 1, 2026
Forecast Valid:
9pm CDT May 1, 2026-6pm CDT May 8, 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