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

Heavy to Excessive Rainfall This Week from the Southwest into Central U.S.; Severe Weather in the Southern Plains

Pacific tropical moisture wrapping into a storm will continue a multi-day heavy rainfall event this week that will impact multiple areas in the Plains and Intermountain West. Isolated severe thunderstorm wind gusts and possibly a tornado or two could occur tonight from southern and eastern New Mexico into west Texas. Read More >

Hazardous Weather Conditions

Current conditions at

Lansing Municipal Airport (KIGQ)

Lat: 41.54°NLon: 87.53°WElev: 607ft.

Fair

63°F

17°C

Humidity 66%
Wind Speed S 7 mph
Barometer 29.95 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 29 Sep 11:35 pm CDT
Extended Forecast for

Olympia Fields IL

  • Tonight

    Tonight: Cloudy, with a low around 64. South wind around 10 mph, with gusts as high as 15 mph.

    Low: 64 °F

    Cloudy

  • Wednesday

    Wednesday: Showers, mainly between 8am and 4pm. High near 68. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 68 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers after 1am. Cloudy, with a low around 66. South wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.

    Low: 66 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 4pm. High near 75. Southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 80%.

    High: 75 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 60. North wind 5 to 10 mph. Chance of precipitation is 90%.

    Low: 60 °F

    Showers

  • Friday

    Friday: A 40 percent chance of showers before 1pm. Partly sunny, with a high near 66.

    High: 66 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
Cloudy, with a low around 64. South wind around 10 mph, with gusts as high as 15 mph.
Wednesday
Showers, mainly between 8am and 4pm. High near 68. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers after 1am. Cloudy, with a low around 66. South wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.
Thursday
Showers, with thunderstorms also possible after 4pm. High near 75. Southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm. Low around 60. North wind 5 to 10 mph. Chance of precipitation is 90%.
Friday
A 40 percent chance of showers before 1pm. Partly sunny, with a high near 66.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 46.
Monday
Sunny, with a high near 63.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Olympia Fields IL
 41.51°N 87.7°W
Last Update:
9:01 pm CDT Sep 29, 2026
Forecast Valid:
11pm CDT Sep 29, 2026-6pm CDT Oct 6, 2026
 
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