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

Strong to Severe Thunderstorms in the East; Heat in the Central and Western U.S.

Strong to potentially severe thunderstorms with damaging wind gusts are forecast Thursday from parts of New England into the Mid Atlantic and Carolinas. Significant heat will expand across the West and Central Plains through Friday, potentially breaking daily high temperature records. Dangerous heat will then build into the Eastern U.S. this weekend through much of next week. Read More >

Hazardous Weather Conditions

Current conditions at

Lansing Municipal Airport (KIGQ)

Lat: 41.54°NLon: 87.53°WElev: 607ft.

Fair

64°F

18°C

Humidity 96%
Wind Speed NW 5 mph
Barometer 29.99 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 20 Jun 5:15 am CDT
Extended Forecast for

Olympia Fields IL

Extreme Heat Warning June 21, 10:00am until June 24, 12:00am
Click here for hazard details and duration
Extreme Heat Warning

  • Today

    Today: A 30 percent chance of showers, mainly before 2pm. Increasing clouds, with a high near 84. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 84 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 73. South southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 93. Heat index values as high as 103. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 93 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 77 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 95. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 95 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers, mainly before 2pm. Increasing clouds, with a high near 84. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 73. South southwest wind around 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 93. Heat index values as high as 103. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 35 mph.
Saturday Night
Mostly clear, with a low around 77. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Sunny and hot, with a high near 95. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny and hot, with a high near 96.
Monday Night
Mostly clear, with a low around 75.
Tuesday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Olympia Fields IL
 41.51°N 87.7°W
Last Update:
4:41 am CDT Jun 20, 2025
Forecast Valid:
5am CDT Jun 20, 2025-6pm CDT Jun 26, 2025
 
Forecast Discussion
 
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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