Severe Thunderstorms, Excessive Rainfall and Critical Fire Weather Concerns

Showers and thunderstorms, some severe containing large hail, damaging wind gusts and perhaps a tornado will be possible across areas of the Plains, northern Rockies and Intermountain West through midweek; Rainfall could be locally heavy as well with the concern of flash flooding. Rainfall could also be heavy for the mid-Atlantic and Southeast this week. Critical fire weather for the Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Mostly Cloudy

90°F

32°C

Humidity 27%
Wind Speed SE 3 mph
Barometer 29.95 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 30 May 2:45 pm CDT
Extended Forecast for

Romeoville IL

  • This
    Afternoon

    This Afternoon: A slight chance of sprinkles.  Partly sunny, with a high near 90. East southeast wind around 5 mph.

    Slight Chance
    Sprinkles

    High: 90 °F

  • Tonight

    Tonight: A slight chance of sprinkles before 8pm.  Mostly cloudy, with a low around 65. East wind 5 to 10 mph becoming light southeast  after midnight.

    Slight Chance
    Sprinkles

    Low: 65 °F

  • Wednesday

    Wednesday: Isolated showers and thunderstorms after noon.  Partly sunny, with a high near 90. South southeast wind 5 to 10 mph.  Chance of precipitation is 20%.

    Mostly Sunny
    then Isolated
    T-storms

    High: 90 °F

  • Wednesday
    Night

    Wednesday Night: Isolated showers and thunderstorms before 10pm.  Partly cloudy, with a low around 65. South southeast wind around 5 mph.  Chance of precipitation is 20%.

    Isolated
    T-storms then
    Partly Cloudy

    Low: 65 °F

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 10am.  Mostly sunny, with a high near 89. South southeast wind 5 to 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 30%.

    Chance
    T-storms

    High: 89 °F

  • Thursday
    Night

    Thursday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am.  Partly cloudy, with a low around 66. Chance of precipitation is 20%.

    Slight Chance
    T-storms then
    Slight Chance
    Showers

    Low: 66 °F

  • Friday

    Friday: A 20 percent chance of showers before 1pm.  Sunny, with a high near 91.

    Slight Chance
    Showers

    High: 91 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 63.

    Mostly Clear

    Low: 63 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 91.

    Mostly Sunny

    High: 91 °F

Detailed Forecast

This Afternoon
A slight chance of sprinkles. Partly sunny, with a high near 90. East southeast wind around 5 mph.
Tonight
A slight chance of sprinkles before 8pm. Mostly cloudy, with a low around 65. East wind 5 to 10 mph becoming light southeast after midnight.
Wednesday
Isolated showers and thunderstorms after noon. Partly sunny, with a high near 90. South southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Wednesday Night
Isolated showers and thunderstorms before 10pm. Partly cloudy, with a low around 65. South southeast wind around 5 mph. Chance of precipitation is 20%.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 89. South southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.
Thursday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 66. Chance of precipitation is 20%.
Friday
A 20 percent chance of showers before 1pm. Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 63.
Saturday
Mostly sunny, with a high near 91.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Sunny, with a high near 87.
Click Map For Forecast
Point Forecast:
Romeoville IL
 41.66°N 88.1°W
2:41 pm CDT May 30, 2023
3pm CDT May 30, 2023-6pm CDT Jun 5, 2023
 
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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