Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

50°F

10°C

Humidity 50%
Wind Speed S 13 G 18 mph
Barometer 30.04 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 21 Apr 12:55 am CDT
Extended Forecast for

Beloit WI

Flood Warning until further notice
Click here for hazard details and duration
Flood Warning until further notice
  •  
    Flood Warning until further notice

    NOW until further notice

    Flood Warning

  • Overnight

    Low: 45 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Scattered sprinkles before 1pm, then isolated showers between 1pm and 2pm.  Mostly sunny, with a high near 74. Southwest wind 10 to 15 mph.  Chance of precipitation is 20%.

    High: 74 °F

    Partly Sunny
    then Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. West wind around 5 mph becoming calm  in the evening.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. East wind around 5 mph becoming south in the afternoon.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57. Southeast wind around 5 mph.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 59. South wind around 15 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 70. South wind 10 to 15 mph becoming west in the afternoon.

    High: 70 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 45. South wind around 10 mph.
Tuesday
Scattered sprinkles before 1pm, then isolated showers between 1pm and 2pm. Mostly sunny, with a high near 74. Southwest wind 10 to 15 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 48. West wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 76. East wind around 5 mph becoming south in the afternoon.
Wednesday Night
Partly cloudy, with a low around 57. Southeast wind around 5 mph.
Thursday
Mostly sunny, with a high near 79. South wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. South wind around 15 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 70. South wind 10 to 15 mph becoming west in the afternoon.
Friday Night
A 20 percent chance of showers before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 45.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 62.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 44.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Beloit WI
 42.52°N 89.02°W (Elev. 745 ft)
12:51 am CDT Apr 21, 2026
1am CDT Apr 21, 2026-6pm CDT Apr 27, 2026
 
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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