National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Storms/Heavy Rain in the Central U.S.; Record Breaking Heat in the West

Strong to severe thunderstorms and areas of excessive rainfall are possible across the Plains into the Mid to Upper Mississippi Valley through Memorial Day. Meanwhile, a week of record breaking heat is likely across California into the Southwest and Great Basin starting on Memorial Day. Excessive heat watches and warnings are widespread across Arizona, California and Nevada. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

84°F

29°C

Humidity 55%
Wind Speed S 12 mph
Barometer 29.85 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 24 May 4:45 pm CDT
Extended Forecast for

2 Miles W Darien WI

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 65. South wind 5 to 10 mph.

    Partly Cloudy
    then Slight
    Chance
    T-storms

    Low: 65 °F

  • Memorial
    Day

    Memorial Day: A 40 percent chance of showers and thunderstorms, mainly after 9am. Partly sunny, with a high near 84. South wind 5 to 10 mph.

    Chance
    T-storms

    High: 84 °F

  • Monday
    Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind 5 to 10 mph.

    Slight Chance
    T-storms

    Low: 66 °F

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 84. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Slight Chance
    T-storms then
    Showers
    Likely

    High: 84 °F

  • Tuesday
    Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South wind around 5 mph.

    Chance
    T-storms

    Low: 67 °F

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. Southwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms then
    Showers
    Likely

    High: 81 °F

  • Wednesday
    Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Southwest wind around 5 mph becoming calm.

    Chance
    T-storms

    Low: 65 °F

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. West wind 5 to 10 mph.

    Chance
    T-storms

    High: 79 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 56.

    Partly Cloudy

    Low: 56 °F

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 65. South wind 5 to 10 mph.
Memorial Day
A 40 percent chance of showers and thunderstorms, mainly after 9am. Partly sunny, with a high near 84. South wind 5 to 10 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind 5 to 10 mph.
Tuesday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 84. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South wind around 5 mph.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. Southwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Southwest wind around 5 mph becoming calm.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. West wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 53.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 76.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
2 Miles W Darien WI
 42.59°N 88.75°W (Elev. 889 ft)
Last Update:
4:08 pm CDT May 24, 2020
Forecast Valid:
5pm CDT May 24, 2020-6pm CDT May 31, 2020
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation