National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fog/Mist

41°F

5°C

Humidity 87%
Wind Speed E 5 mph
Barometer 29.94 in
Dewpoint 37°F (3°C)
Visibility 4.00 mi
Wind Chill38°F (3°C)
Last update 21 Mar 4:15 am CDT
Extended Forecast for

2 Miles W Beloit WI

  • Today

    Today: Mostly sunny, with a high near 73. Southeast wind 5 to 15 mph becoming southwest in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 46. Southwest wind 5 to 10 mph becoming northeast after midnight.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before 1pm. Mostly cloudy, with a high near 47. North wind 10 to 15 mph.

    High: 47 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 26. North wind 5 to 15 mph.

    Low: 26 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 47. North wind around 5 mph.

    High: 47 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32. East wind around 5 mph becoming south after midnight.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 56. Southwest wind 5 to 10 mph.

    High: 56 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. Southwest wind around 5 mph becoming east after midnight.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 73. Southeast wind 5 to 15 mph becoming southwest in the afternoon.
Tonight
Partly cloudy, with a low around 46. Southwest wind 5 to 10 mph becoming northeast after midnight.
Sunday
A 30 percent chance of rain, mainly before 1pm. Mostly cloudy, with a high near 47. North wind 10 to 15 mph.
Sunday Night
Partly cloudy, with a low around 26. North wind 5 to 15 mph.
Monday
Sunny, with a high near 47. North wind around 5 mph.
Monday Night
Mostly cloudy, with a low around 32. East wind around 5 mph becoming south after midnight.
Tuesday
Mostly cloudy, with a high near 56. Southwest wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 36. Southwest wind around 5 mph becoming east after midnight.
Wednesday
Mostly cloudy, with a high near 54.
Wednesday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 43.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 60.
Thursday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 29.
Friday
Mostly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Beloit WI
 42.52°N 89.05°W (Elev. 751 ft)
Last Update:
3:52 am CDT Mar 21, 2026
Forecast Valid:
4am CDT Mar 21, 2026-6pm CDT Mar 27, 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