Areas of Excessive Rainfall and Severe Thunderstorms; Fire Weather Concerns in the Northern Plains and Four Corners Region

Widespread showers and thunderstorms may bring areas of flash flooding across much of the Southern Plains into the Gulf Coast region and the upper Ohio River Valley into the Mid-Atlantic. A large Pacific storm will bring widespread rain, gusty winds, and mountain snow to California and the Great Basin. Fire weather concerns expected in the Northern Plains and the Four Corners region. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

81°F

27°C

Humidity 32%
Wind Speed S 6 mph
Barometer 29.95 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 26 May 7:45 pm CDT
Extended Forecast for

4 Miles NW Sharon WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 59. South wind around 5 mph becoming calm  in the evening.

    Low: 59 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers before 4pm, then a slight chance of showers and thunderstorms between 4pm and 5pm.  Mostly sunny, with a high near 88. Calm wind becoming northeast around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 10pm.  Partly cloudy, with a low around 54. Northeast wind around 10 mph.

    Low: 54 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76. Northeast wind 10 to 15 mph.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 48. East wind 5 to 10 mph becoming light  in the evening.

    Low: 48 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 83. Calm wind becoming southeast around 5 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. Light east wind increasing to 10 to 15 mph in the morning.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 59. South wind around 5 mph becoming calm in the evening.
Wednesday
A slight chance of showers before 4pm, then a slight chance of showers and thunderstorms between 4pm and 5pm. Mostly sunny, with a high near 88. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 54. Northeast wind around 10 mph.
Thursday
Sunny, with a high near 76. Northeast wind 10 to 15 mph.
Thursday Night
Clear, with a low around 48. East wind 5 to 10 mph becoming light in the evening.
Friday
Sunny, with a high near 83. Calm wind becoming southeast around 5 mph.
Friday Night
Mostly clear, with a low around 55. Calm wind.
Saturday
Sunny, with a high near 80. Light east wind increasing to 10 to 15 mph in the morning.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Sharon WI
 42.53°N 88.78°W (Elev. 961 ft)
8:32 pm CDT May 26, 2026
8pm CDT May 26, 2026-6pm CDT Jun 2, 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