Severe Weather and Heavy Rain from the Mid-South to the Mid-Atlantic; Building Heat in the West

Severe thunderstorms may bring damaging winds, a couple of tornadoes, and heavy rain across portions of the Mid-Atlantic into the Mid-South. Severe storms may produce hail across the northern/central High Plains. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Fire weather concerns continue for Interior Alaska 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.

Partly Cloudy

72°F

22°C

Humidity 57%
Wind Speed N 7 mph
Barometer 30.04 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 22 Jun 11:45 am CDT
Extended Forecast for

Caledonia IL

  • This Afternoon

    This Afternoon: A 10 percent chance of showers after 5pm.  Mostly sunny, with a high near 75. North northeast wind around 10 mph, with gusts as high as 15 mph.

    High: 75 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before 8pm.  Mostly clear, with a low around 51. East northeast wind around 5 mph becoming calm  after midnight. Winds could gust as high as 15 mph.

    Low: 51 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 77. Northeast wind around 5 mph becoming calm.

    High: 77 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 4am.  Partly cloudy, with a low around 57. Calm wind becoming south around 5 mph in the evening.

    Low: 57 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 78. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%.

    High: 78 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, with thunderstorms also possible after 1pm.  Mostly sunny, with a high near 76. Chance of precipitation is 20%.

    High: 76 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 10 percent chance of showers after 5pm. Mostly sunny, with a high near 75. North northeast wind around 10 mph, with gusts as high as 15 mph.
Tonight
A 20 percent chance of showers before 8pm. Mostly clear, with a low around 51. East northeast wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph.
Tuesday
Increasing clouds, with a high near 77. Northeast wind around 5 mph becoming calm.
Tuesday Night
A 20 percent chance of showers after 4am. Partly cloudy, with a low around 57. Calm wind becoming south around 5 mph in the evening.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 78. West southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 57.
Thursday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 76. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 76.
Friday Night
A chance of showers. Mostly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
A chance of showers. Partly cloudy, with a low around 63.
Sunday
Partly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Caledonia IL
 42.4°N 88.9°W
1:21 pm CDT Jun 22, 2026
2pm CDT Jun 22, 2026-6pm CDT Jun 28, 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