Severe Weather and Flash Flooding From Plains and to Mid-Atlantic

Severe thunderstorms are forecast today, tomorrow, and Thursday from parts of the northern/central Plains into the Midwest, Ohio Valley, and Mid-Atlantic. Heavy rain associated with thunderstorms may result in flash flooding from the northern and central Plains through the Midwest and into West Virginia and also in southern Mississippi and southeast Louisiana today. Read More >

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Fair

95°F

35°C

Humidity 55%
Wind Speed W 14 G 18 mph
Barometer 29.86 in
Dewpoint 76°F (24°C)
Visibility NA
Heat Index109°F (43°C)
Last update 5 Jul 2:55 pm CDT
Extended Forecast for

Romeoville IL

Flood Watch until July 6, 03:00am
Heat Advisory until July 5, 08:00pm
Click here for hazard details and duration
Flood Watch
Heat Advisory
  •  
    Flood Watch until July 6, 03:00am
    Heat Advisory until July 5, 08:00pm

    NOW: Multiple
    hazards in effect

    Click HERE for Details

  • This
    Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 91. Heat index values as high as 106. West wind around 10 mph.

    Chance
    T-storms

    High: 91 °F

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 2am. Some of the storms could produce heavy rainfall.  Low around 70. West wind 5 to 10 mph becoming east in the evening.  Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Heavy Rain

    Low: 70 °F

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 82. East northeast wind 5 to 10 mph.

    Chance
    T-storms

    High: 82 °F

  • Wednesday
    Night

    Wednesday Night: Showers and thunderstorms likely, mainly after 8pm.  Mostly cloudy, with a low around 70. Northeast wind 5 to 10 mph.  Chance of precipitation is 70%.

    T-storms
    Likely

    Low: 70 °F

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 2pm.  Mostly cloudy, with a high near 84. East northeast wind around 5 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph.  Chance of precipitation is 70%.

    T-storms
    Likely

    High: 84 °F

  • Thursday
    Night

    Thursday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 67.

    Chance
    T-storms

    Low: 67 °F

  • Friday

    Friday: A chance of showers and thunderstorms.  Partly sunny, with a high near 80. Chance of precipitation is 50%.

    Chance
    T-storms then
    Chance
    Showers

    High: 80 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 63.

    Partly Cloudy

    Low: 63 °F

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Heat index values as high as 106. West wind around 10 mph.
Tonight
Showers and thunderstorms, mainly before 2am. Some of the storms could produce heavy rainfall. Low around 70. West wind 5 to 10 mph becoming east in the evening. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. East northeast wind 5 to 10 mph.
Wednesday Night
Showers and thunderstorms likely, mainly after 8pm. Mostly cloudy, with a low around 70. Northeast wind 5 to 10 mph. Chance of precipitation is 70%.
Thursday
Showers and thunderstorms likely, mainly before 2pm. Mostly cloudy, with a high near 84. East northeast wind around 5 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 50%.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 64.
Monday
Mostly sunny, with a high near 87.
Click Map For Forecast
Point Forecast:
Romeoville IL
 41.63°N 88.1°W
2:15 pm CDT Jul 5, 2022
3pm CDT Jul 5, 2022-6pm CDT Jul 11, 2022
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database