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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

72°F

22°C

Humidity 61%
Wind Speed N 12 mph
Barometer 29.83 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 16 Apr 2:45 pm CDT
Extended Forecast for

Alden IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 68. Northwest wind around 10 mph.

    High: 68 °F

    Mostly Sunny

  • Tonight

    Tonight: Areas of fog after 11pm. Otherwise, increasing clouds, with a low around 52. North northwest wind around 5 mph becoming southeast after midnight.

    Low: 52 °F

    Areas Fog

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 77. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 77 °F

    Patchy Fog
    then Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: Showers and thunderstorms before 10pm, then showers and possibly a thunderstorm, mainly after 10pm. Low around 39. South wind around 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%.

    Low: 39 °F

    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 50. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 50 °F

    Slight Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Areas of frost after midnight. Otherwise, mostly clear, with a low around 29.

    Low: 29 °F

    Partly Cloudy
    then Areas
    Frost

  • Monday

    Monday: Areas of frost before 9am. Otherwise, sunny, with a high near 56.

    High: 56 °F

    Areas Frost
    then Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 68. Northwest wind around 10 mph.
Tonight
Areas of fog after 11pm. Otherwise, increasing clouds, with a low around 52. North northwest wind around 5 mph becoming southeast after midnight.
Friday
A 30 percent chance of showers and thunderstorms after 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 77. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.
Friday Night
Showers and thunderstorms before 10pm, then showers and possibly a thunderstorm, mainly after 10pm. Low around 39. South wind around 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%.
Saturday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 50. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Areas of frost after midnight. Otherwise, mostly clear, with a low around 29.
Monday
Areas of frost before 9am. Otherwise, sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alden IL
 42.46°N 88.52°W
Last Update:
3:36 pm CDT Apr 16, 2026
Forecast Valid:
3pm CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
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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