Heavy Rainfall for Portions of the West and Central U.S.; Monitoring Fire Weather Conditions for New England

Tropical moisture continues to flow across portions of the Great Basin, desert Southwest and California. Isolated instances of flash flooding remains possible. Meanwhile, a storm and associated frontal boundary will focus showers and thunderstorms for the center of the nation. For New England, dry and breezy conditions could enhance favorable fire weather conditions. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Overcast

76°F

24°C

Humidity 60%
Wind Speed S 5 mph
Barometer 30.02 in (1015.3 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 20 Sep 12:53 am CDT
Extended Forecast for

Forest Park IL

  • Overnight

    Overnight: A 50 percent chance of showers and thunderstorms before 4am.  Mostly cloudy, with a low around 66. Northeast wind around 5 mph becoming southeast.

    Low: 66 °F

    Chance
    T-storms

  • Saturday

    Saturday: Scattered showers and thunderstorms, mainly after 1pm.  Mostly cloudy, with a high near 80. Southeast wind 5 to 10 mph becoming southwest in the afternoon.  Chance of precipitation is 50%.

    High: 80 °F

    Isolated
    T-storms then
    Scattered
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 65. Southeast wind around 5 mph.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 78. South southeast wind 5 to 10 mph.  Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers.  Partly cloudy, with a low around 64. South southwest wind around 5 mph.

    Low: 64 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm.  Mostly cloudy, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers.  Mostly cloudy, with a high near 74.

    High: 74 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers.  Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 50 percent chance of showers and thunderstorms before 4am. Mostly cloudy, with a low around 66. Northeast wind around 5 mph becoming southeast.
Saturday
Scattered showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 80. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 50%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Southeast wind around 5 mph.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. South southeast wind 5 to 10 mph. Chance of precipitation is 40%.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 64. South southwest wind around 5 mph.
Monday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Tuesday
A chance of showers. Mostly cloudy, with a high near 74.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 62.
Wednesday
Partly sunny, with a high near 71.
Wednesday Night
Mostly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 58.
Friday
A chance of showers. Partly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Forest Park IL
 41.86°N 87.82°W
1:26 am CDT Sep 20, 2025
1am CDT Sep 20, 2025-6pm CDT Sep 26, 2025
 
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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