Severe Thunderstorms and Heavy Rainfall in the Plains

Severe thunderstorms will be possible over parts of the northern Plains today through Thursday which could bring large hail, damaging winds, and possible tornadoes. Today and Wednesday, thunderstorms with heavy to excessive rainfall may produce flooding over parts of the southern High Plains. North Dakota could also see heavy to excessive rainfall today. Read More >

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

79°F

26°C

Humidity 24%
Wind Speed SE 12 G 17 mph
Barometer 30.34 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 2 Jun 1:45 pm CDT
Extended Forecast for

Darien WI

  • This Afternoon

    This Afternoon: Sunny, with a high near 76. East wind around 10 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 50. East wind 5 to 10 mph.

    Low: 50 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Light southeast wind becoming south 5 to 10 mph in the morning.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56. Southeast wind 5 to 10 mph.

    Low: 56 °F

    Partly Cloudy

  • Thursday

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

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 1am.  Mostly cloudy, with a low around 64. Southwest wind around 10 mph.

    Low: 64 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 84. Southwest wind 10 to 15 mph.  Chance of precipitation is 50%.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Low around 63. Southwest wind around 10 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 84. Chance of precipitation is 60%.

    High: 84 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 76. East wind around 10 mph.
Tonight
Clear, with a low around 50. East wind 5 to 10 mph.
Wednesday
Sunny, with a high near 82. Light southeast wind becoming south 5 to 10 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 56. Southeast wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 86. Southwest wind 5 to 15 mph.
Thursday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 64. Southwest wind around 10 mph.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 84. Southwest wind 10 to 15 mph. Chance of precipitation is 50%.
Friday Night
Showers and possibly a thunderstorm. Low around 63. Southwest wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 60.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 60.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Darien WI
 42.59°N 88.72°W (Elev. 945 ft)
1:34 pm CDT Jun 2, 2026
2pm CDT Jun 2, 2026-6pm CDT Jun 8, 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