Areas of Dangerous Heat and Severe Thunderstorms

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 before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Mostly Cloudy

71°F

22°C

Humidity 73%
Wind Speed W 3 mph
Barometer 29.93 in (1012.6 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 27 Aug 12:53 am CDT
Extended Forecast for

McCook IL

  • Overnight

    Overnight: Mostly clear, with a low around 66. Northwest wind around 5 mph.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers between 1pm and 4pm.  Mostly sunny, with a high near 82. Northwest wind around 5 mph becoming northeast in the afternoon. Winds could gust as high as 10 mph.  Chance of precipitation is 20%.

    High: 82 °F

    Sunny then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. East northeast wind around 5 mph becoming calm  in the evening.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65. East southeast wind around 5 mph becoming south after midnight.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 69.

    Low: 69 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 1am.  Mostly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 66. Northwest wind around 5 mph.
Thursday
A slight chance of showers between 1pm and 4pm. Mostly sunny, with a high near 82. Northwest wind around 5 mph becoming northeast in the afternoon. Winds could gust as high as 10 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 64. East northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 82. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 65. East southeast wind around 5 mph becoming south after midnight.
Saturday
Partly sunny, with a high near 81.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69.
Sunday
Partly sunny, with a high near 87.
Sunday Night
A chance of showers after 1am. Mostly cloudy, with a low around 74.
Monday
Partly sunny, with a high near 89.
Monday Night
A chance of showers. Partly cloudy, with a low around 74.
Tuesday
A chance of showers. Mostly sunny, with a high near 89.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 73.
Wednesday
A chance of showers. Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
McCook IL
 41.8°N 87.86°W
1:21 am CDT Aug 27, 2026
1am 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