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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

14°F

-10°C

Humidity 67%
Wind Speed NW 14 mph
Barometer 29.91 in
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 27 Jan 5:15 am CST
Extended Forecast for

Darien WI

  • Overnight

    Overnight: A 20 percent chance of snow. Patchy blowing snow. Partly cloudy, with a steady temperature around 10. Wind chill values between -5 and zero. West wind around 10 mph.

    Low: 10 °F

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

  • Tuesday

    Tuesday: A slight chance of snow before 8am, then a chance of flurries between 8am and 9am. Partly sunny, with a high near 11. Wind chill values between -5 and -10. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 11 °F

    Blustery.
    Slight Chance
    Snow then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around -3. Wind chill values between -10 and -15. West wind 5 to 10 mph.

    Low: -3 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 11. Wind chill values between -10 and -20. West wind 10 to 15 mph.

    High: 11 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around -6. Northwest wind around 5 mph.

    Low: -6 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and cold, with a high near 8. Northwest wind 5 to 10 mph.

    High: 8 °F

    Cold

  • Thursday Night

    Thursday Night: Mostly clear, with a low around -5. North wind 5 to 10 mph.

    Low: -5 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 11. North wind around 10 mph.

    High: 11 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 2.

    Low: 2 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow. Patchy blowing snow. Partly cloudy, with a steady temperature around 10. Wind chill values between -5 and zero. West wind around 10 mph.
Tuesday
A slight chance of snow before 8am, then a chance of flurries between 8am and 9am. Partly sunny, with a high near 11. Wind chill values between -5 and -10. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around -3. Wind chill values between -10 and -15. West wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 11. Wind chill values between -10 and -20. West wind 10 to 15 mph.
Wednesday Night
Mostly clear, with a low around -6. Northwest wind around 5 mph.
Thursday
Sunny and cold, with a high near 8. Northwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around -5. North wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 11. North wind around 10 mph.
Friday Night
Partly cloudy, with a low around 2.
Saturday
Mostly sunny, with a high near 18.
Saturday Night
Partly cloudy, with a low around 2.
Sunday
A 20 percent chance of snow. Mostly sunny, with a high near 22.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 8.
Monday
Partly sunny, with a high near 24.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Darien WI
 42.59°N 88.72°W (Elev. 945 ft)
Last Update:
4:41 am CST Jan 27, 2026
Forecast Valid:
5am CST Jan 27, 2026-6pm CST Feb 2, 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