National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Fire Weather Concerns in the Northern and Central Plains; Severe Thunderstorms in the Upper Midwest

Dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the northern and central High Plains through Saturday, where fuels remain largely receptive. Severe thunderstorms are possible across portions of central Nebraska to the Upper Midwest this afternoon into tonight. Read More >

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

A Few Clouds

74°F

23°C

Humidity 50%
Wind Speed SE 7 mph
Barometer 30.05 in (1016.7 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 11 Sep 9:53 am CDT
Extended Forecast for

Lyons IL

  • Today

    Today: Sunny, with a high near 80. Southeast wind around 5 mph, with gusts as high as 10 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 66. East southeast wind around 5 mph becoming south after midnight.

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64. West wind around 5 mph becoming north northwest after midnight.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 77. North wind around 5 mph, with gusts as high as 10 mph.

    High: 77 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 80.

    High: 80 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers after 1am. Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 80. Southeast wind around 5 mph, with gusts as high as 10 mph.
Tonight
Partly cloudy, with a low around 66. East southeast wind around 5 mph becoming south after midnight.
Saturday
Mostly sunny, with a high near 85. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 64. West wind around 5 mph becoming north northwest after midnight.
Sunday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 77. North wind around 5 mph, with gusts as high as 10 mph.
Sunday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 62.
Monday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 80.
Monday Night
A chance of showers after 1am. Partly cloudy, with a low around 70.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82.
Tuesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 64.
Wednesday
Showers likely. Mostly cloudy, with a high near 76.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 64.
Thursday
A chance of showers. Partly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lyons IL
 41.82°N 87.83°W
Last Update:
3:10 am CDT Sep 11, 2026
Forecast Valid:
10am CDT Sep 11, 2026-6pm CDT Sep 17, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation