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.

Pacific tropical moisture wrapping into a storm over the southwest U.S. will continue a multi-day heavy rainfall event this week that will extend into the Midwest and southern Plains. Considerable flash flooding is possible across portions of New Mexico and west Texas today through Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

69°F

21°C

Humidity 76%
Wind Speed SE 7 mph
Barometer 30.01 in (1015.8 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 29 Sep 12:51 pm CDT
Extended Forecast for

Park City IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 74. South southeast wind around 10 mph.

    High: 74 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after 3am. Mostly cloudy, with a low around 62. South southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 62 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Showers. High near 69. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 69 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely. Cloudy, with a low around 64. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.

    Low: 64 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 70. Southwest wind around 5 mph becoming north in the afternoon. Winds could gust as high as 10 mph. Chance of precipitation is 90%.

    High: 70 °F

    Showers

  • Thursday Night

    Thursday Night: Showers. Low around 57. Chance of precipitation is 80%.

    Low: 57 °F

    Showers

  • Friday

    Friday: A 40 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 62.

    High: 62 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 74. South southeast wind around 10 mph.
Tonight
A 20 percent chance of showers after 3am. Mostly cloudy, with a low around 62. South southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
Showers. High near 69. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely. Cloudy, with a low around 64. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
Thursday
Showers and possibly a thunderstorm. High near 70. Southwest wind around 5 mph becoming north in the afternoon. Winds could gust as high as 10 mph. Chance of precipitation is 90%.
Thursday Night
Showers. Low around 57. Chance of precipitation is 80%.
Friday
A 40 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 47.
Monday
Sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Park City IL
 42.35°N 87.88°W
Last Update:
11:46 am CDT Sep 29, 2026
Forecast Valid:
1pm CDT Sep 29, 2026-6pm CDT Oct 5, 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