Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms will be possible from the central Plains to the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Interior Alaska and the Four Corners region through Monday. Read More >

Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Overcast

59°F

15°C

Humidity 100%
Wind Speed NE 13 G 22 mph
Barometer 29.87 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 22 Jun 3:35 am CDT
Extended Forecast for

2 Miles SSW Downers Grove IL

  • Overnight

    Overnight: A 50 percent chance of showers, mainly before 5am.  Cloudy, with a low around 58. Northeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 58 °F

    Chance
    Showers

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 72. North northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 72 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 75. North northeast wind around 5 mph.

    High: 75 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 57. East wind around 5 mph becoming south after midnight.

    Low: 57 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 78. Chance of precipitation is 50%.

    High: 78 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers.  Partly cloudy, with a low around 61. Chance of precipitation is 50%.

    Low: 61 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 50 percent chance of showers, mainly before 5am. Cloudy, with a low around 58. Northeast wind around 15 mph, with gusts as high as 25 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 72. North northeast wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 53. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
Increasing clouds, with a high near 75. North northeast wind around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 57. East wind around 5 mph becoming south after midnight.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 61. Chance of precipitation is 50%.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 78.
Friday Night
Mostly cloudy, with a low around 61.
Saturday
Partly sunny, with a high near 80.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Downers Grove IL
 41.76°N 88.04°W
3:01 am CDT Jun 22, 2026
3am CDT Jun 22, 2026-6pm CDT Jun 28, 2026
 
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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