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 >

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

5 Miles SSE Clinton WI

Heat Advisory July 26, 12:00pm until July 26, 09:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Patchy fog between 7am and 8am.  Otherwise, cloudy, then gradually becoming mostly sunny and hot, with a high near 90. Heat index values as high as 102. South wind 5 to 10 mph.

    High: 90 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 1am and 5am.  Partly cloudy, with a low around 71. Southwest wind around 5 mph.

    Low: 71 °F

    Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms likely before 11am, then a slight chance of showers and thunderstorms after 4pm.  Mostly sunny and hot, with a high near 91. Heat index values as high as 102. Southwest wind 5 to 15 mph becoming southeast in the morning.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 91 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67. West wind around 10 mph becoming north after midnight.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. North wind around 10 mph.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59. Northeast wind 5 to 10 mph becoming light  in the evening.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Calm wind becoming northeast around 5 mph in the morning.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog between 7am and 8am. Otherwise, cloudy, then gradually becoming mostly sunny and hot, with a high near 90. Heat index values as high as 102. South wind 5 to 10 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 1am and 5am. Partly cloudy, with a low around 71. Southwest wind around 5 mph.
Monday
Showers and thunderstorms likely before 11am, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 102. Southwest wind 5 to 15 mph becoming southeast in the morning. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Partly cloudy, with a low around 67. West wind around 10 mph becoming north after midnight.
Tuesday
Mostly sunny, with a high near 83. North wind around 10 mph.
Tuesday Night
Mostly clear, with a low around 59. Northeast wind 5 to 10 mph becoming light in the evening.
Wednesday
Sunny, with a high near 84. Calm wind becoming northeast around 5 mph in the morning.
Wednesday Night
Mostly clear, with a low around 59. Northeast wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 62.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Clinton WI
 42.49°N 88.84°W (Elev. 994 ft)
2:37 am CDT Jul 26, 2026
4am CDT Jul 26, 2026-6pm CDT Aug 1, 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