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.

Rain

34°F

1°C

Humidity 93%
Wind Speed N 16 mph
Barometer 29.37 in
Dewpoint 32°F (0°C)
Visibility 2.00 mi
Wind Chill24°F (-4°C)
Last update 15 Mar 3:45 pm CDT
Extended Forecast for

2 Miles NW Alden IL

Winter Weather Advisory March 15, 10:00pm until March 16, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: Showers. Steady temperature around 34. North northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 34 °F

    Showers

  • Tonight

    Tonight: Rain, snow, freezing rain, and sleet before 11pm, then snow, possibly mixed with sleet between 11pm and midnight, then snow after midnight. Widespread blowing snow, mainly after 4am. Low around 18. Windy, with a north wind 20 to 25 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow and sleet accumulation of 2 to 4 inches possible.

    Low: 18 °F

    Wintry Mix
    and Blowing
    Snow

  • Monday

    Monday: Snow, mainly before 1pm. Widespread blowing snow, mainly before 1pm. Temperature falling to around 18 by 8am. Wind chill values as low as -1. Windy, with a northwest wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 20 °F⇓

    Snow and
    Blowing Snow

  • Monday Night

    Monday Night: Patchy blowing snow before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 4. Wind chill values as low as -10. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 4 °F

    Patchy
    Blowing Snow
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 20. West northwest wind around 10 mph, with gusts as high as 15 mph.

    High: 20 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 15. Chance of precipitation is 70%.

    Low: 15 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of showers after 1am. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers. Steady temperature around 34. North northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain, snow, freezing rain, and sleet before 11pm, then snow, possibly mixed with sleet between 11pm and midnight, then snow after midnight. Widespread blowing snow, mainly after 4am. Low around 18. Windy, with a north wind 20 to 25 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow and sleet accumulation of 2 to 4 inches possible.
Monday
Snow, mainly before 1pm. Widespread blowing snow, mainly before 1pm. Temperature falling to around 18 by 8am. Wind chill values as low as -1. Windy, with a northwest wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Monday Night
Patchy blowing snow before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 4. Wind chill values as low as -10. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 20. West northwest wind around 10 mph, with gusts as high as 15 mph.
Tuesday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 15. Chance of precipitation is 70%.
Wednesday
Mostly cloudy, with a high near 39.
Wednesday Night
A chance of showers after 1am. Mostly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
Mostly cloudy, with a low around 32.
Friday
Partly sunny, with a high near 56.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Alden IL
 42.48°N 88.55°W
Last Update:
4:11 pm CDT Mar 15, 2026
Forecast Valid:
4pm CDT Mar 15, 2026-6pm CDT Mar 22, 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