Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Hazardous Weather Conditions

Current conditions at

Albertus Airport (KFEP)

Lat: 42.25°NLon: 89.58°WElev: 837ft.

Mostly Cloudy

79°F

26°C

Humidity 74%
Wind Speed SW 14 mph
Barometer 30.03 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 21 Aug 1:15 pm CDT
Extended Forecast for

3 Miles SSE Shannon IL

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms, mainly before 3pm.  Mostly sunny, with a high near 80. Southwest wind around 10 mph.

    High: 80 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 8pm.  Partly cloudy, with a low around 61. West wind around 5 mph becoming northwest after midnight.  Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. Northwest wind 5 to 10 mph.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms, mainly before 3pm. Mostly sunny, with a high near 80. Southwest wind around 10 mph.
Tonight
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 61. West wind around 5 mph becoming northwest after midnight. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 78. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 56. Northwest wind 5 to 10 mph.
Sunday
Sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Partly sunny, with a high near 77.
Tuesday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Shannon IL
 42.12°N 89.71°W (Elev. 1001 ft)
12:01 pm CDT Aug 21, 2026
1pm CDT Aug 21, 2026-6pm CDT Aug 27, 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