National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

75°F

24°C

Humidity 47%
Wind Speed SW 9 mph
Barometer 30.12 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 24 Jul 1:45 pm CDT
Extended Forecast for

4 Miles S Fort Atkinson WI

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 79. South wind around 10 mph.

    High: 79 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. South wind 5 to 10 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 84. Southwest wind 5 to 10 mph.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 68. Southwest wind around 5 mph.

    Low: 68 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny and hot, with a high near 90. Southwest wind 5 to 10 mph.

    High: 90 °F

    Hot

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 72. Southwest wind 5 to 10 mph.

    Low: 72 °F

    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny and hot, with a high near 91. West wind 10 to 15 mph.

    High: 91 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68. North wind 5 to 10 mph.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 79. South wind around 10 mph.
Tonight
Mostly clear, with a low around 59. South wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 84. Southwest wind 5 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 68. Southwest wind around 5 mph.
Sunday
Partly sunny and hot, with a high near 90. Southwest wind 5 to 10 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 72. Southwest wind 5 to 10 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny and hot, with a high near 91. West wind 10 to 15 mph.
Monday Night
Partly cloudy, with a low around 68. North wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Fort Atkinson WI
 42.86°N 88.85°W (Elev. 899 ft)
Last Update:
1:46 pm CDT Jul 24, 2026
Forecast Valid:
1pm CDT Jul 24, 2026-6pm CDT Jul 30, 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