Critical Fire Weather in the West; Monitoring Tropical Storm Erin

Gusty winds and low relative humidity will bring critical fire weather conditions to parts of the Great Basin, interior Northwest, and Rockies Thursday. Red Flag Warnings have been issued. While there is still uncertainty in what impacts might occur to the U.S. east coast next week, the risk of dangerous surf and rip currents across the western Atlantic basin is increasing. Read More >

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Fair

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 14 Aug 2:15 am CDT
Extended Forecast for

Romeoville IL

  • Overnight

    Overnight: Patchy fog.  Otherwise, mostly clear, with a low around 63. Northeast wind around 5 mph becoming calm.

    Low: 63 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am.  Otherwise, sunny, with a high near 86. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 86 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 66. East wind around 5 mph becoming calm  in the evening.

    Low: 66 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 91. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 10 mph.

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 71. South wind around 5 mph.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly clear, with a low around 63. Northeast wind around 5 mph becoming calm.
Thursday
Patchy fog before 9am. Otherwise, sunny, with a high near 86. Calm wind becoming east northeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 66. East wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 91. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 10 mph.
Friday Night
Mostly clear, with a low around 71. South wind around 5 mph.
Saturday
Sunny, with a high near 94.
Saturday Night
Partly cloudy, with a low around 74.
Sunday
Mostly sunny, with a high near 94.
Sunday Night
Partly cloudy, with a low around 72.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 67.
Wednesday
Mostly sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Romeoville IL
 41.65°N 88.07°W
2:26 am CDT Aug 14, 2025
2am CDT Aug 14, 2025-6pm CDT Aug 20, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database