Severe Weather and Heavy Rain for the Plains and Mid-Atlantic; Building Heat in the West

Severe thunderstorms will remain possible in the Mid-Atlantic through Tuesday. Severe thunderstorms and heavy rain will also be possible in the central/southern Plains on Tuesday and Wednesday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry weather will create Elevated to Critical fire weather conditions in the Four Corners Region. Read More >

Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Fair

73°F

23°C

Humidity 53%
Wind Speed NE 13 mph
Barometer 30.05 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 22 Jun 6:45 pm CDT
Extended Forecast for

Lockport IL

  • Tonight

    Tonight: Mostly clear, with a low around 53. North 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 77. North northeast wind around 5 mph.

    High: 77 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56. East wind around 5 mph becoming south southeast after midnight.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 79. South wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 79 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 61. Southwest wind 5 to 10 mph.

    Low: 61 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 78. Chance of precipitation is 20%.

    High: 78 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am.  Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers.  Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 53. North wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
Increasing clouds, with a high near 77. North northeast wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 56. East wind around 5 mph becoming south southeast after midnight.
Wednesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 79. South wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61. Southwest wind 5 to 10 mph.
Thursday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 20%.
Thursday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 59.
Friday
Partly sunny, with a high near 78.
Friday Night
A chance of showers. Mostly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
A chance of showers. Partly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Monday
Mostly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Lockport IL
 41.59°N 88.05°W
2:36 pm CDT Jun 22, 2026
7pm CDT Jun 22, 2026-6pm CDT Jun 29, 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