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.

Overcast

68°F

20°C

Humidity 94%
Wind Speed SW 8 mph
Barometer 30.01 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 25 Jul 8:45 am CDT
Extended Forecast for

6 Miles SSW Whitewater WI

  • Today

    Today: Mostly cloudy, with a high near 81. South wind 5 to 10 mph.

    High: 81 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 68. Southwest wind around 5 mph.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny and hot, with a high near 91. Heat index values as high as 102. Southwest wind 5 to 10 mph.

    High: 91 °F

    Hot

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. Southwest wind 5 to 10 mph becoming southeast in the evening.  Chance of precipitation is 50%.

    Low: 72 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm.  Mostly sunny and hot, with a high near 91. Southwest wind 10 to 15 mph.  Chance of precipitation is 30%.

    High: 91 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers before 1am.  Partly cloudy, with a low around 67. West wind 5 to 10 mph becoming north in the evening.

    Low: 67 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86. North wind 5 to 10 mph.

    High: 86 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 81. South wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 68. Southwest wind around 5 mph.
Sunday
Partly sunny and hot, with a high near 91. Heat index values as high as 102. Southwest wind 5 to 10 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Southwest wind 5 to 10 mph becoming southeast in the evening. Chance of precipitation is 50%.
Monday
A chance of showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm. Mostly sunny and hot, with a high near 91. Southwest wind 10 to 15 mph. Chance of precipitation is 30%.
Monday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 67. West wind 5 to 10 mph becoming north in the evening.
Tuesday
Mostly sunny, with a high near 86. North wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 61. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Whitewater WI
 42.75°N 88.79°W (Elev. 948 ft)
9:02 am CDT Jul 25, 2026
9am CDT Jul 25, 2026-6pm CDT Jul 31, 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