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

Heavy Rainfall Possible in the Upper Midwest, South Texas, and Puerto Rico and the Virgin Islands

Scattered thunderstorms and heavy rainfall may bring areas of flooding though the weekend over the Upper Midwest. A tropical disturbance will bring moderate to locally heavy rain to portions of South Texas into Saturday. Tropical Storm Erin may bring isolated flash and urban flooding, landslides or mudslides, and tropical storm conditions to Puerto Rico and the U.S. Virgin Islands. Read More >

Hazardous Weather Conditions

Current conditions at

Lansing Municipal Airport (KIGQ)

Lat: 41.54°NLon: 87.53°WElev: 607ft.

Partly Cloudy

78°F

26°C

Humidity 65%
Wind Speed SE 6 mph
Barometer 30.12 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 15 Aug 9:15 am CDT
Extended Forecast for

University Park IL

  • Today

    Today: Mostly sunny, with a high near 90. Southwest wind around 5 mph.

    High: 90 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. South southwest wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 93. Heat index values as high as 104. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 93 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Southwest wind around 5 mph.

    Low: 73 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly sunny, with a high near 92. Northeast wind 5 to 10 mph.

    High: 92 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72.

    Low: 72 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.

    High: 94 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 90.

    High: 90 °F

    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 90. Southwest wind around 5 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. South southwest wind around 5 mph becoming calm in the evening.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 93. Heat index values as high as 104. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Southwest wind around 5 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly sunny, with a high near 92. Northeast wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Tuesday Night
Mostly cloudy, with a low around 69.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
University Park IL
 41.44°N 87.71°W
Last Update:
5:56 am CDT Aug 15, 2025
Forecast Valid:
9am CDT Aug 15, 2025-6pm CDT Aug 21, 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