Areas of Excessive Rainfall and Severe Thunderstorms; Fire Weather Concerns in the Northern Plains and Four Corners Region

Widespread showers and thunderstorms may bring areas of flash flooding across much of the Southern Plains into the Gulf Coast region and the upper Ohio River Valley into the Mid-Atlantic. A large Pacific storm will bring widespread rain, gusty winds, and mountain snow to California and the Great Basin. Fire weather concerns expected in the Northern Plains and the Four Corners region. Read More >

Current conditions at

Albertus Airport (KFEP)

Lat: 42.25°NLon: 89.58°WElev: 837ft.

Fair

73°F

23°C

Humidity 41%
Wind Speed S 6 mph
Barometer 29.98 in
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 26 May 8:35 pm CDT
Extended Forecast for

Shannon IL

  • Tonight

    Tonight: Partly cloudy, with a low around 59. South wind around 5 mph becoming calm.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers between 2pm and 4pm, then a slight chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 89. Calm wind becoming northwest around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. Northeast wind 5 to 15 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Northeast wind 10 to 15 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 59. South wind around 5 mph becoming calm.
Wednesday
A slight chance of showers between 2pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 89. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 57. Northeast wind 5 to 15 mph.
Thursday
Sunny, with a high near 81. Northeast wind 10 to 15 mph.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Shannon IL
 42.15°N 89.74°W (Elev. 928 ft)
1:26 pm CDT May 26, 2026
8pm CDT May 26, 2026-6pm CDT Jun 2, 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