Tropical Moisture Brings Slight Risk of Excessive Rainfall to the Southwest; Strong to Locally Severe Storms on the Plains

Heavy rain and flash flooding are possible across portions of the Southwest through Friday, where Flood Watches are in effect. Strong to locally severe thunderstorms are possible today across portions of the Plains. A tropical wave is causing heavy rainfall in Puerto Rico and the Virgin Islands, which may cause urban and small stream flooding and landslides today. Read More >

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Fair

82°F

28°C

Humidity 45%
Wind Speed S 7 mph
Barometer 30.08 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 18 Sep 11:59 am CDT
Extended Forecast for

4 Miles NNE New Lenox IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 86. South southwest wind around 5 mph becoming east northeast.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. East northeast wind around 5 mph.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 87. South southeast wind 5 to 10 mph.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 63. East wind around 5 mph.  Chance of precipitation is 30%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 4pm.  Partly sunny, with a high near 81. South wind around 5 mph, with gusts as high as 10 mph.  Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms, then a chance of showers after 10pm.  Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 79. Chance of precipitation is 50%.

    High: 79 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 63.

    Low: 63 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers.  Mostly cloudy, with a high near 78.

    High: 78 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 86. South southwest wind around 5 mph becoming east northeast.
Tonight
Mostly clear, with a low around 62. East northeast wind around 5 mph.
Friday
Mostly sunny, with a high near 87. South southeast wind 5 to 10 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. East wind around 5 mph. Chance of precipitation is 30%.
Saturday
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 81. South wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 30%.
Saturday Night
A slight chance of showers and thunderstorms, then a chance of showers after 10pm. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63.
Monday
A chance of showers. Mostly cloudy, with a high near 78.
Monday Night
A chance of showers. Mostly cloudy, with a low around 61.
Tuesday
A chance of showers. Partly sunny, with a high near 76.
Tuesday Night
Mostly cloudy, with a low around 59.
Wednesday
A chance of showers. Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE New Lenox IL
 41.56°N 87.96°W
12:26 pm CDT Sep 18, 2025
12pm CDT Sep 18, 2025-6pm CDT Sep 24, 2025
 
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Additional Resources

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