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

Hazardous Weather Conditions

Current conditions at

Mount Sterling, Mount Sterling Municipal Airport (KI63)

Lat: 39.99°NLon: 90.8°WElev: 732ft.

Fair

78°F

26°C

Humidity 80%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 17 Aug 6:35 pm CDT
Extended Forecast for

5 Miles W Beardstown IL

Heat Advisory August 17, 06:47pm until August 17, 08:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory August 17, 06:47pm until August 17, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • Tonight

    Low: 72 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Heat index values as high as 105. South wind 6 to 8 mph.

    High: 92 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. Light south wind.

    Low: 72 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 7am. Mostly sunny, with a high near 90. Heat index values as high as 103. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 40%.

    High: 90 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69. Light north wind.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. North northeast wind 5 to 9 mph.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. North northeast wind 3 to 7 mph.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 72. Southeast wind 5 to 8 mph.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Heat index values as high as 105. South wind 6 to 8 mph.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. Light south wind.
Tuesday
A chance of showers, with thunderstorms also possible after 7am. Mostly sunny, with a high near 90. Heat index values as high as 103. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 69. Light north wind.
Wednesday
Mostly sunny, with a high near 85. North northeast wind 5 to 9 mph.
Wednesday Night
Mostly clear, with a low around 62. North northeast wind 3 to 7 mph.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 64.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Beardstown IL
 40°N 90.51°W (Elev. 433 ft)
Last Update:
6:40 pm CDT Aug 17, 2025
Forecast Valid:
6pm CDT Aug 17, 2025-6pm CDT Aug 24, 2025
 
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