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

63°F

17°C

Humidity 68%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 27 May 12:55 am CDT
Extended Forecast for

6 Miles SW Whitewater WI

  • Overnight

    Overnight: Partly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. Northeast wind around 10 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 74. Northeast wind around 10 mph.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48. East wind around 5 mph becoming calm  in the evening.

    Low: 48 °F

    Mostly Clear

  • Friday

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

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79. Light east wind increasing to 10 to 15 mph in the morning.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 60. Calm wind.
Wednesday
Sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 53. Northeast wind around 10 mph.
Thursday
Sunny, with a high near 74. Northeast wind around 10 mph.
Thursday Night
Mostly clear, with a low around 48. East wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 83. Calm wind becoming northwest around 5 mph.
Friday Night
Mostly clear, with a low around 56. Calm wind.
Saturday
Sunny, with a high near 79. Light east wind increasing to 10 to 15 mph in the morning.
Saturday Night
Mostly clear, with a low around 51.
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 51.
Tuesday
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Whitewater WI
 42.77°N 88.82°W (Elev. 948 ft)
12:32 am CDT May 27, 2026
1am CDT May 27, 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