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

Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Partly Cloudy

86°F

30°C

Humidity 46%
Wind Speed S 16 G 24 mph
Barometer 29.72 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 12 Oct 3:45 pm CDT
Extended Forecast for

Beloit WI

  • Tonight

    Tonight: Mostly clear, with a low around 66. South wind 10 to 15 mph.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. West wind 5 to 10 mph.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 2am, then a chance of showers. Increasing clouds, with a low around 57. North wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 69. North wind 5 to 10 mph.

    High: 69 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 50. Northeast wind 5 to 10 mph.

    Low: 50 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers, mainly after 1pm. High near 63. East wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 45. Breezy, with a northeast wind 5 to 10 mph becoming northwest 15 to 20 mph after midnight. Winds could gust as high as 30 mph.

    Low: 45 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 56. Windy, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 56 °F

    Partly Sunny
    and Windy

  • Friday Night

    Friday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 66. South wind 10 to 15 mph.
Tuesday
Sunny, with a high near 79. West wind 5 to 10 mph.
Tuesday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Increasing clouds, with a low around 57. North wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Mostly cloudy, with a high near 69. North wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 50. Northeast wind 5 to 10 mph.
Thursday
Showers, mainly after 1pm. High near 63. East wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 45. Breezy, with a northeast wind 5 to 10 mph becoming northwest 15 to 20 mph after midnight. Winds could gust as high as 30 mph.
Friday
Partly sunny, with a high near 56. Windy, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph.
Friday Night
Mostly clear, with a low around 32.
Saturday
Sunny, with a high near 57.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 44.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 66.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Beloit WI
 42.54°N 89.04°W (Elev. 801 ft)
Last Update:
3:32 pm CDT Oct 12, 2026
Forecast Valid:
4pm CDT Oct 12, 2026-6pm CDT Oct 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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