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.

Overcast

79°F

26°C

Humidity 84%
Wind Speed S 10 mph
Barometer 29.94 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 25 Jul 4:45 pm CDT
Extended Forecast for

3 Miles N Sharon WI

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

    Tonight: Partly cloudy, with a low around 67. South wind around 5 mph.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: Patchy fog before 8am.  Otherwise, partly sunny and hot, with a high near 91. Heat index values as high as 101. Light south wind becoming southwest 10 to 15 mph in the morning.

    High: 91 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 4am, then a chance of thunderstorms after 5am.  Mostly cloudy, with a low around 71. Southwest wind 5 to 10 mph.  Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm.  Cloudy, then gradually becoming mostly sunny and hot, with a high near 90. Heat index values as high as 105. West wind 5 to 10 mph.  Chance of precipitation is 40%.

    High: 90 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 10 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 84. North wind around 10 mph.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. Northeast wind 5 to 10 mph becoming light  in the evening.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. Northeast wind around 5 mph.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 67. South wind around 5 mph.
Sunday
Patchy fog before 8am. Otherwise, partly sunny and hot, with a high near 91. Heat index values as high as 101. Light south wind becoming southwest 10 to 15 mph in the morning.
Sunday Night
A slight chance of showers and thunderstorms before 4am, then a chance of thunderstorms after 5am. Mostly cloudy, with a low around 71. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, then gradually becoming mostly sunny and hot, with a high near 90. Heat index values as high as 105. West wind 5 to 10 mph. Chance of precipitation is 40%.
Monday Night
A 10 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 84. North wind around 10 mph.
Tuesday Night
Mostly clear, with a low around 60. Northeast wind 5 to 10 mph becoming light in the evening.
Wednesday
Sunny, with a high near 83. Northeast wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
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:
3 Miles N Sharon WI
 42.55°N 88.72°W (Elev. 951 ft)
3:17 pm CDT Jul 25, 2026
5pm CDT Jul 25, 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