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.

Overcast

0°F

-18°C

Humidity 65%
Wind Speed NW 9 mph
Barometer 30.24 in
Dewpoint -9°F (-23°C)
Visibility 10.00 mi
Wind Chill-15°F (-26°C)
Last update 26 Jan 2:35 am CST
Extended Forecast for

5 Miles WSW Fort Atkinson WI

Cold Weather Advisory January 26, 02:45am until January 26, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 26, 02:45am until January 26, 12:00pm

    NOW until 12:00pm Mon

    Cold Weather Advisory

  • Overnight

    Low: -7 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and cold, with a high near 9. Wind chill values between -15 and -25. Northwest wind 10 to 15 mph becoming southwest in the afternoon.

    High: 9 °F

    Cold

  • Monday Night

    Monday Night: A chance of flurries between 1am and 3am. Mostly cloudy, with a temperature rising to around 12 by 1am. Wind chill values between -5 and -15. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 3 °F⇑

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 12. Wind chill values between -5 and -10. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 12 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around -3. West wind 5 to 10 mph.

    Low: -3 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 12. West wind 5 to 10 mph.

    High: 12 °F

    Partly 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, with a high near 11. Northwest wind around 5 mph.

    High: 11 °F

    Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around -7. Wind chill values between -20 and -25. Northwest wind around 10 mph.
Monday
Sunny and cold, with a high near 9. Wind chill values between -15 and -25. Northwest wind 10 to 15 mph becoming southwest in the afternoon.
Monday Night
A chance of flurries between 1am and 3am. Mostly cloudy, with a temperature rising to around 12 by 1am. Wind chill values between -5 and -15. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 12. Wind chill values between -5 and -10. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around -3. West wind 5 to 10 mph.
Wednesday
Partly sunny, with a high near 12. West wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around -6. Northwest wind around 5 mph.
Thursday
Sunny, with a high near 11. Northwest wind around 5 mph.
Thursday Night
Mostly clear, with a low around -4.
Friday
Sunny, with a high near 13.
Friday Night
Mostly clear, with a low around -1.
Saturday
Sunny, with a high near 19.
Saturday Night
A 20 percent chance of snow. Partly cloudy, with a low around 6.
Sunday
A 30 percent chance of snow. Mostly cloudy, with a high near 25.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Fort Atkinson WI
 42.88°N 88.93°W (Elev. 774 ft)
Last Update:
2:17 am CST Jan 26, 2026
Forecast Valid:
2am CST Jan 26, 2026-6pm CST Feb 1, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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