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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fog

37°F

3°C

Humidity 100%
Wind Speed Calm
Barometer 29.67 in
Dewpoint 37°F (3°C)
Visibility 0.25 mi
Last update 26 Dec 6:45 am CST
Extended Forecast for

2 Miles NW Alden IL

  • Today

    Today: A 20 percent chance of rain before 9am. Areas of dense fog before 10am. Otherwise, cloudy, with a high near 43. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 43 °F

    Slight Chance
    Rain and
    Areas Dense
    Fog then
    Cloudy

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, cloudy, with a low around 36. Northwest wind around 5 mph becoming calm in the evening.

    Low: 36 °F

    Cloudy then
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, cloudy, with a high near 42. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 42 °F

    Patchy Fog
    then Cloudy

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Cloudy, with a low around 39. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after noon. Cloudy, with a high near 51. South southwest wind 5 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    High: 51 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of rain showers before 9pm, then a chance of rain and snow showers between 9pm and midnight, then a chance of snow showers after midnight. Cloudy, with a low around 17. Blustery. Chance of precipitation is 50%.

    Low: 17 °F

    Blustery.
    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Monday

    Monday: A 30 percent chance of snow showers before noon. Mostly cloudy, with a high near 23. Blustery.

    High: 23 °F

    Blustery.
    Chance Snow
    Showers then
    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 11. Blustery.

    Low: 11 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

Detailed Forecast

Today
A 20 percent chance of rain before 9am. Areas of dense fog before 10am. Otherwise, cloudy, with a high near 43. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
Patchy fog after midnight. Otherwise, cloudy, with a low around 36. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Patchy fog before 9am. Otherwise, cloudy, with a high near 42. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A 40 percent chance of showers. Cloudy, with a low around 39. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Showers likely, mainly after noon. Cloudy, with a high near 51. South southwest wind 5 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Sunday Night
A chance of rain showers before 9pm, then a chance of rain and snow showers between 9pm and midnight, then a chance of snow showers after midnight. Cloudy, with a low around 17. Blustery. Chance of precipitation is 50%.
Monday
A 30 percent chance of snow showers before noon. Mostly cloudy, with a high near 23. Blustery.
Monday Night
Partly cloudy, with a low around 11. Blustery.
Tuesday
Partly sunny, with a high near 27.
Tuesday Night
Mostly cloudy, with a low around 16.
Wednesday
Mostly cloudy, with a high near 23.
Wednesday Night
Mostly cloudy, with a low around 7.
New Year's Day
Mostly sunny, with a high near 18.
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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:
5:41 am CST Dec 26, 2025
Forecast Valid:
8am CST Dec 26, 2025-6pm CST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation