Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Partly Cloudy

72°F

22°C

Humidity 83%
Wind Speed NW 6 mph
Barometer 29.94 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 26 Aug 11:30 pm CDT
Extended Forecast for

Frankfort IL

  • Tonight

    Tonight: Mostly clear, with a low around 63. West northwest wind around 5 mph.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers after 2pm.  Mostly sunny, with a high near 81. Northwest wind 5 to 10 mph becoming north northeast in the afternoon.

    High: 81 °F

    Sunny then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80. Calm wind becoming west around 5 mph.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60. South southeast wind around 5 mph.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 63. West northwest wind around 5 mph.
Thursday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 81. Northwest wind 5 to 10 mph becoming north northeast in the afternoon.
Thursday Night
Mostly clear, with a low around 60. Northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 80. Calm wind becoming west around 5 mph.
Friday Night
Partly cloudy, with a low around 60. South southeast wind around 5 mph.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Mostly cloudy, with a low around 65.
Sunday
Partly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 69.
Monday
Partly sunny, with a high near 90.
Monday Night
Mostly cloudy, with a low around 71.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
Partly cloudy, with a low around 70.
Wednesday
A chance of showers. Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Frankfort IL
 41.49°N 87.85°W
7:41 pm CDT Aug 26, 2026
11pm CDT Aug 26, 2026-6pm CDT Sep 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database