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

Greater Kankakee Airport (KIKK)

Lat: 41.07°NLon: 87.85°WElev: 617ft.

Mostly Cloudy

78°F

26°C

Humidity 57%
Wind Speed NW 8 mph
Barometer 30.04 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 27 Aug 12:35 pm CDT
Extended Forecast for

Peotone IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers after 1pm.  Mostly sunny, with a high near 81. North northwest wind around 5 mph, with gusts as high as 10 mph.

    High: 81 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 60. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 60 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am.  Otherwise, sunny, with a high near 81. Calm wind.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60. Calm wind becoming south around 5 mph.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 80. Light south wind increasing to 5 to 10 mph in the morning.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 81. North northwest wind around 5 mph, with gusts as high as 10 mph.
Tonight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 60. Northeast wind around 5 mph becoming calm in the evening.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 81. Calm wind.
Friday Night
Partly cloudy, with a low around 60. Calm wind becoming south around 5 mph.
Saturday
Mostly sunny, with a high near 80. Light south wind increasing to 5 to 10 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 70.
Monday
Mostly sunny, with a high near 88.
Monday Night
A chance of showers after 1am. Partly cloudy, with a low around 70.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 70.
Wednesday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Peotone IL
 41.34°N 87.8°W
9:31 am CDT Aug 27, 2026
12pm CDT Aug 27, 2026-6pm CDT Sep 2, 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