Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms will be possible from the central Plains to the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Interior Alaska and the Four Corners region through Monday. Read More >

Hazardous Weather Conditions

Current conditions at

Rockford, Greater Rockford Airport (KRFD)

Lat: 42.19°NLon: 89.09°WElev: 735ft.

Overcast

58°F

14°C

Humidity 93%
Wind Speed NE 3 mph
Barometer 29.92 in (1012.9 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 21 Jun 11:54 pm CDT
Extended Forecast for

Belvidere IL

  • Overnight

    Overnight: A chance of rain before 1am, then a chance of showers between 1am and 4am.  Cloudy, with a low around 56. North northeast wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%.

    Low: 56 °F

    Chance Rain

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 76. North northeast wind around 10 mph, with gusts as high as 15 mph.

    High: 76 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. Northeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. Calm wind becoming east around 5 mph.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am.  Partly cloudy, with a low around 56. South southeast wind around 5 mph.

    Low: 56 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 10am.  Partly sunny, with a high near 78. Chance of precipitation is 50%.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 58.

    Low: 58 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of rain before 1am, then a chance of showers between 1am and 4am. Cloudy, with a low around 56. North northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 76. North northeast wind around 10 mph, with gusts as high as 15 mph.
Monday Night
Mostly clear, with a low around 52. Northeast wind around 5 mph, with gusts as high as 10 mph.
Tuesday
Mostly sunny, with a high near 78. Calm wind becoming east around 5 mph.
Tuesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 56. South southeast wind around 5 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 78. Chance of precipitation is 50%.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 55.
Friday
Mostly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Partly sunny, with a high near 82.
Saturday Night
A chance of showers. Partly cloudy, with a low around 64.
Sunday
A chance of showers. Partly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Belvidere IL
 42.25°N 88.86°W
8:56 pm CDT Jun 21, 2026
12am 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