Western Heat Wave Continues; Severe Weather in the Midwest; Tropical Disturbance in the Gulf of Mexico

The persistent and extreme heat wave being felt across the western U.S. is set to continue and even expand into the Central U.S. Severe weather and flash flooding are possible over the Midwest. A tropical depression will likely form over the western Gulf of Mexico in the next two days. Heavy rain could begin to impact portions of the northern Gulf Coast Friday. Read More >

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Fair

58°F

14°C

Humidity 63%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 17 Jun 1:35 am CDT
Extended Forecast for

Romeoville IL

  • Overnight

    Overnight: Mostly clear, with a low around 54. Southeast wind around 5 mph becoming calm.

    Mostly Clear

    Low: 54 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 90. Light south wind becoming south southwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    Mostly Sunny

    High: 90 °F

  • Thursday
    Night

    Thursday Night: Showers and thunderstorms likely, mainly after 1am. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a low around 69. South wind 5 to 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    Chance
    T-storms then
    Heavy Rain

    Low: 69 °F

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly before 1pm.  Partly sunny, with a high near 93. Heat index values as high as 96. South wind around 10 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

    Chance
    T-storms

    High: 93 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 67. West wind 5 to 10 mph, with gusts as high as 15 mph.

    Partly Cloudy

    Low: 67 °F

  • Saturday

    Saturday: Sunny, with a high near 88.

    Sunny

    High: 88 °F

  • Saturday
    Night

    Saturday Night: A 20 percent chance of showers after 1am.  Partly cloudy, with a low around 61.

    Mostly Clear
    then Slight
    Chance
    Showers

    Low: 61 °F

  • Sunday

    Sunday: A chance of showers and thunderstorms.  Partly sunny, with a high near 90.

    Chance
    T-storms

    High: 90 °F

  • Sunday
    Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 66.

    Showers
    Likely

    Low: 66 °F

Detailed Forecast

Overnight
Mostly clear, with a low around 54. Southeast wind around 5 mph becoming calm.
Thursday
Mostly sunny, with a high near 90. Light south wind becoming south southwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Thursday Night
Showers and thunderstorms likely, mainly after 1am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 69. South wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Friday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 93. Heat index values as high as 96. South wind around 10 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Partly cloudy, with a low around 67. West wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 88.
Saturday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 61.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 90.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 80.
Click Map For Forecast
Point Forecast:
Romeoville IL
 41.63°N 88.1°W
1:15 am CDT Jun 17, 2021
1am CDT Jun 17, 2021-6pm CDT Jun 23, 2021
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database