Heavy Snow from the Midwest into the Great Lakes; Locally Heavy Rain in the Western Gulf Coast

A significant winter storm will produce a broad area of moderate to heavy snow from the Midwest through the western Great Lakes. Significant snow accumulations of 6-12 inches, and locally more than 1 foot, and gusty wind may cause hazardous travel conditions. Thunderstorms, some severe, and showers may produce locally heavy rain and isolated flash flooding along the western Gulf Coast. Read More >

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Light Snow

N/A

Humidity NA
Wind Speed NW 5 mph
Barometer 29.75 in
Dewpoint N/A
Visibility 1.25 mi
Last update 30 Nov 12:55 am CST
Extended Forecast for

2 Miles NW Alden IL

Winter Storm Warning November 30, 01:15am until November 30, 06:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning November 30, 01:15am until November 30, 06:00am

    NOW until 6:00am Sun

    Winter Storm Warning

  • Overnight

    Low: 27 °F

    Snow and
    Patchy
    Blowing Snow

  • Sunday

    Sunday: Snow, mainly before 8am.  Areas of blowing snow before 3pm. High near 28. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 28 °F

    Snow and
    Areas Blowing
    Snow then
    Areas Blowing
    Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 7. Northwest wind around 5 mph becoming calm  after midnight. Winds could gust as high as 10 mph.

    Low: 7 °F

    Partly Cloudy

  • Monday

    Monday: Snow after noon.  High near 24. Calm wind becoming south southwest around 5 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 24 °F

    Mostly Cloudy
    then Snow

  • Monday Night

    Monday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 12. Calm wind becoming west northwest around 5 mph after midnight.  Chance of precipitation is 70%.

    Low: 12 °F

    Snow Likely
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of snow after noon.  Mostly cloudy, with a high near 30.

    High: 30 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Overnight
Snow. Patchy blowing snow after 3am. Low around 27. Northeast wind 5 to 15 mph becoming west northwest. Winds could gust as high as 30 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.
Sunday
Snow, mainly before 8am. Areas of blowing snow before 3pm. High near 28. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Sunday Night
Partly cloudy, with a low around 7. Northwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 10 mph.
Monday
Snow after noon. High near 24. Calm wind becoming south southwest around 5 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Monday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 12. Calm wind becoming west northwest around 5 mph after midnight. Chance of precipitation is 70%.
Tuesday
Partly sunny, with a high near 22.
Tuesday Night
Mostly cloudy, with a low around 13.
Wednesday
A chance of snow after noon. Mostly cloudy, with a high near 30.
Wednesday Night
A chance of snow before midnight. Mostly cloudy, with a low around 0.
Thursday
Sunny and cold, with a high near 10.
Thursday Night
Partly cloudy, with a low around -5.
Friday
A chance of snow. Partly sunny, with a high near 18.
Friday Night
Mostly cloudy, with a low around 12.
Saturday
Mostly cloudy, with a high near 28.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Alden IL
 42.48°N 88.55°W
1:11 am CST Nov 30, 2025
1am CST Nov 30, 2025-6pm CST Dec 6, 2025
 
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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