Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Rockford, Greater Rockford Airport (KRFD)

Lat: 42.19°NLon: 89.09°WElev: 735ft.

Mostly Cloudy

80°F

27°C

Humidity 49%
Wind Speed NW 8 mph
Barometer 30.03 in (1016.3 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 27 Aug 4:54 pm CDT
Extended Forecast for

Machesney Park IL

  • Tonight

    Tonight: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 57. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 57 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am.  Otherwise, sunny, with a high near 83. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 83 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60. South southwest wind around 5 mph becoming calm.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 81. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 66. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm.  Partly sunny, with a high near 87. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 71.

    Low: 71 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Mostly cloudy, with a high near 88.

    High: 88 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 71.

    Low: 71 °F

    Mostly Cloudy
    then Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 57. North northwest wind around 5 mph becoming calm in the evening.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 83. Calm wind becoming west southwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 60. South southwest wind around 5 mph becoming calm.
Saturday
Increasing clouds, with a high near 81. South wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Partly sunny, with a high near 87. Chance of precipitation is 20%.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 71.
Monday
Mostly cloudy, with a high near 88.
Monday Night
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 69.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 68.
Thursday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Machesney Park IL
 42.36°N 89.02°W
2:51 pm CDT Aug 27, 2026
5pm CDT Aug 27, 2026-6pm CDT Sep 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database