Unsettled Weather in the Eastern U.S. through Memorial Day

Wet, stormy, and unsettled weather continues for much of the eastern half of the U.S. through Memorial Day. There is potential for scattered flash flooding across the Central Gulf Coast into North Georgia and across the Upper Ohio Valley. Severe storms capable of hail/wind may occur across the Middle Missouri Valley/Siouxland and across other parts of the central and southern Plains and Southeast. Read More >

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

A Few Clouds

79°F

26°C

Humidity 32%
Wind Speed NW 10 mph
Barometer 30.02 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 24 May 5:45 pm CDT
Extended Forecast for

Janesville WI

  • Tonight

    Tonight: Clear, with a low around 56. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 56 °F

    Clear

  • Memorial Day

    Memorial Day: Mostly sunny, with a high near 86. Southwest wind 5 to 15 mph.

    High: 86 °F

    Mostly Sunny

  • Monday Night

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

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. Southwest wind around 5 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60. Southwest wind around 5 mph becoming calm.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 87. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57. East wind 5 to 10 mph.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 81. Northeast wind 5 to 10 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 56. Northwest wind around 5 mph becoming calm in the evening.
Memorial Day
Mostly sunny, with a high near 86. Southwest wind 5 to 15 mph.
Monday Night
Mostly clear, with a low around 59. South wind 5 to 10 mph.
Tuesday
Sunny, with a high near 89. Southwest wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 60. Southwest wind around 5 mph becoming calm.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Calm wind becoming northeast around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 57. East wind 5 to 10 mph.
Thursday
Sunny, with a high near 81. Northeast wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Janesville WI
 42.67°N 89.04°W (Elev. 774 ft)
3:52 pm CDT May 24, 2026
6pm CDT May 24, 2026-6pm CDT May 31, 2026
 
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