Air Quality Concerns; Fire Weather in the West; Flash Flooding in the Southeast

Wildfire smoke continues to result in poor air quality from the Upper Midwest into the Northeast. Multiple days of hot, dry and windy conditions are expected to bring fire weather concerns for portions of the Four Corners region into the central Great Basin and Rockies. Heavy rainfall and a flash flooding threat continues in the Southeast. Severe thunderstorms continue across the Northern Plains Read More >

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

61°F

16°C

Humidity 88%
Wind Speed Calm
Barometer 30.19 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 4 Aug 11:10 pm CDT
Extended Forecast for

3 Miles WSW Darien WI

  • Tonight

    Tonight: Partly cloudy, with a low around 59. East wind around 5 mph.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Areas of smoke before 8am. Mostly sunny, with a high near 82. Light east wind increasing to 5 to 10 mph in the morning.

    High: 82 °F

    Areas Smoke
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. East wind around 5 mph becoming calm  in the evening.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 86. Light south wind increasing to 5 to 10 mph in the morning.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 67. South wind around 5 mph.

    Low: 67 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88. South wind 5 to 10 mph.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 59. East wind around 5 mph.
Tuesday
Areas of smoke before 8am. Mostly sunny, with a high near 82. Light east wind increasing to 5 to 10 mph in the morning.
Tuesday Night
Mostly clear, with a low around 60. East wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 84. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 64. Southeast wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 86. Light south wind increasing to 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 67. South wind around 5 mph.
Friday
Sunny, with a high near 88. South wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 69.
Saturday
Sunny, with a high near 88.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Darien WI
 42.57°N 88.78°W (Elev. 909 ft)
10:08 pm CDT Aug 4, 2025
11pm CDT Aug 4, 2025-6pm CDT Aug 11, 2025
 
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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