Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms will be possible from the central Plains to the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Interior Alaska and the Four Corners region through Monday. Read More >

Current conditions at

Lansing Municipal Airport (KIGQ)

Lat: 41.54°NLon: 87.53°WElev: 607ft.

Heavy Rain

57°F

14°C

Humidity 98%
Wind Speed NE 10 mph
Barometer 29.85 in
Dewpoint 56°F (13°C)
Visibility 4.00 mi
Last update 21 Jun 11:15 pm CDT
Extended Forecast for

Olympia Fields IL

Flood Advisory June 21, 11:36pm until June 22, 02:00am
Click here for hazard details and duration
Flood Advisory
  •  
    Flood Advisory June 21, 11:36pm until June 22, 02:00am

    NOW until 2:00am Mon

    Flood Advisory

  • Tonight

    Low: 59 °F

    Rain

  • Monday

    Monday: A 10 percent chance of showers before 7am.  Cloudy through mid morning, then gradual clearing, with a high near 70. North northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 70 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. North wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. North northeast wind around 5 mph.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55. East northeast wind around 5 mph becoming calm  in the evening.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Tonight
Rain before 1am, then showers, mainly between 1am and 3am. Low around 59. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A 10 percent chance of showers before 7am. Cloudy through mid morning, then gradual clearing, with a high near 70. North northeast wind around 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 54. North wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
Sunny, with a high near 75. North northeast wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 55. East northeast wind around 5 mph becoming calm in the evening.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78.
Wednesday Night
A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 59.
Friday
Mostly sunny, with a high near 78.
Friday Night
A chance of showers. Mostly cloudy, with a low around 61.
Saturday
Partly sunny, with a high near 81.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 85.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Olympia Fields IL
 41.53°N 87.67°W
8:56 pm CDT Jun 21, 2026
11pm CDT Jun 21, 2026-6pm CDT Jun 28, 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