National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Current conditions at

Albertus Airport (KFEP)

Lat: 42.25°NLon: 89.58°WElev: 837ft.

Fair

61°F

16°C

Humidity 58%
Wind Speed NW 14 G 21 mph
Barometer 29.91 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 13 May 12:15 am CDT
Extended Forecast for

Shannon IL

  • Overnight

    Overnight: Clear, with a low around 48. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 48 °F

    Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 67. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 67 °F

    Increasing
    Clouds and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41. North wind 5 to 10 mph becoming light in the evening.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers, mainly after 1am. Low around 52. Chance of precipitation is 80%.

    Low: 52 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 81. Breezy.

    High: 81 °F

    Partly Sunny
    and Breezy
    then Mostly
    Sunny

  • Friday Night

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

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 48. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Increasing clouds, with a high near 67. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 41. North wind 5 to 10 mph becoming light in the evening.
Thursday
Sunny, with a high near 72. Light and variable wind becoming south 5 to 10 mph in the morning.
Thursday Night
Showers, mainly after 1am. Low around 52. Chance of precipitation is 80%.
Friday
Mostly sunny, with a high near 81. Breezy.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 86.
Saturday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Monday
Showers likely. Partly sunny, with a high near 84. Breezy. Chance of precipitation is 70%.
Monday Night
Showers likely. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Shannon IL
 42.15°N 89.74°W (Elev. 928 ft)
Last Update:
9:57 pm CDT May 12, 2026
Forecast Valid:
12am CDT May 13, 2026-6pm CDT May 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation