Severe Thunderstorms in the Southern U.S.; Heavy Snow in the North-Central U.S.

Isolated severe thunderstorms are likely across parts of the Southeast/Deep South Tuesday morning into early evening. A couple tornadoes are possible in parts of eastern Mississippi and Alabama. In the north-central U.S., a storm will bring heavy snow and gusty to high winds over parts of the northern Plains and Upper Midwest Tuesday before impacting the Great Lakes Wednesday into Thanksgiving. Read More >

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fog/Mist

45°F

7°C

Humidity 100%
Wind Speed Calm
Barometer 29.83 in
Dewpoint 45°F (7°C)
Visibility 1.50 mi
Last update 25 Nov 1:55 am CST
Extended Forecast for

South Beloit IL

Wind Advisory November 26, 03:00am until November 26, 09:00pm
Click here for hazard details and duration
Wind Advisory
  • Overnight

    Overnight: A 50 percent chance of rain.  Areas of fog.  Otherwise, cloudy, with a low around 45. South southeast wind around 5 mph becoming calm.

    Low: 45 °F

    Chance Rain
    and Areas Fog

  • Tuesday

    Tuesday: Occasional drizzle, mainly between 7am and 11am.  Areas of fog before noon.  Otherwise, cloudy, with a high near 51. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 51 °F

    Drizzle and
    Areas Fog
    then Cloudy

  • Tuesday Night

    Tuesday Night: Rain showers likely before 3am, then a chance of rain and snow showers between 3am and 4am, then a chance of snow showers after 4am.  Cloudy, with a low around 32. Breezy, with a south wind 5 to 10 mph becoming west 15 to 25 mph after midnight. Winds could gust as high as 40 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 32 °F

    Showers
    Likely then
    Chance
    Rain/Snow and
    Breezy

  • Wednesday

    Wednesday: Snow showers likely, mainly before noon.  Cloudy, with a high near 34. Windy, with a west northwest wind 25 to 30 mph, with gusts as high as 45 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Snow Showers
    Likely and
    Windy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 21. Blustery, with a west northwest wind 20 to 25 mph, with gusts as high as 40 mph.

    Low: 21 °F

    Mostly Cloudy
    and Blustery

  • Thanksgiving Day

    Thanksgiving Day: Partly sunny, with a high near 30. Blustery.

    High: 30 °F

    Partly Sunny
    and Blustery

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of snow.  Mostly cloudy, with a low around 20.

    Low: 20 °F

    Chance Snow

Detailed Forecast

Overnight
A 50 percent chance of rain. Areas of fog. Otherwise, cloudy, with a low around 45. South southeast wind around 5 mph becoming calm.
Tuesday
Occasional drizzle, mainly between 7am and 11am. Areas of fog before noon. Otherwise, cloudy, with a high near 51. Calm wind becoming south southwest around 5 mph in the afternoon.
Tuesday Night
Rain showers likely before 3am, then a chance of rain and snow showers between 3am and 4am, then a chance of snow showers after 4am. Cloudy, with a low around 32. Breezy, with a south wind 5 to 10 mph becoming west 15 to 25 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday
Snow showers likely, mainly before noon. Cloudy, with a high near 34. Windy, with a west northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly cloudy, with a low around 21. Blustery, with a west northwest wind 20 to 25 mph, with gusts as high as 40 mph.
Thanksgiving Day
Partly sunny, with a high near 30. Blustery.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Mostly sunny, with a high near 30.
Friday Night
A chance of snow. Mostly cloudy, with a low around 20.
Saturday
Snow likely, mainly before noon. Mostly cloudy, with a high near 30.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 22.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 33.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 19.
Monday
A chance of snow. Partly sunny, with a high near 28.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
South Beloit IL
 42.47°N 89.02°W
1:31 am CST Nov 25, 2025
2am CST Nov 25, 2025-6pm CST Dec 1, 2025
 
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