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

Hazardous Weather Conditions

Current conditions at

Logan County Airport (KAAA)

Lat: 40.16°NLon: 89.34°WElev: 591ft.

Overcast

78°F

26°C

Humidity 100%
Wind Speed NE 6 mph
Barometer 30.07 in
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 14 Aug 7:35 pm CDT
Extended Forecast for

Armington IL

Flood Watch August 14, 10:00pm until August 15, 10:00am
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 73. East wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 73 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers and thunderstorms before noon, then a slight chance of showers between noon and 1pm. High near 91. Heat index values as high as 105. East southeast wind 6 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 91 °F

    Showers then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 10pm. Partly cloudy, with a low around 74. South southwest wind 5 to 8 mph.

    Low: 74 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 88. West wind 5 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 67. North northwest wind 5 to 8 mph.

    Low: 67 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 83. North wind 5 to 7 mph.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. North wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Clear
    then Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 73. East wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers and thunderstorms before noon, then a slight chance of showers between noon and 1pm. High near 91. Heat index values as high as 105. East southeast wind 6 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
A 30 percent chance of showers after 10pm. Partly cloudy, with a low around 74. South southwest wind 5 to 8 mph.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 88. West wind 5 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 67. North northwest wind 5 to 8 mph.
Monday
Sunny, with a high near 83. North wind 5 to 7 mph.
Monday Night
Partly cloudy, with a low around 63. North wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 85.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68.
Wednesday
Partly sunny, with a high near 86.
Wednesday Night
Mostly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Armington IL
 40.34°N 89.32°W (Elev. 610 ft)
Last Update:
7:32 pm CDT Aug 14, 2026
Forecast Valid:
7pm CDT Aug 14, 2026-6pm CDT Aug 21, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation