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

88°F

31°C

Humidity 82%
Wind Speed SW 3 mph
Barometer 29.87 in
Dewpoint 82°F (28°C)
Visibility 10.00 mi
Heat Index108°F (42°C)
Last update 26 Jul 7:55 pm CDT
Extended Forecast for

3 Miles ENE Huntsville IL

Extreme Heat Warning July 26, 08:03pm until July 27, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 26, 08:03pm until July 27, 09:00pm

    NOW until 9:00pm Mon

    Extreme Heat Warning

  • Tonight

    Low: 76 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 93. Heat index values as high as 109. Southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 75. West southwest wind 5 to 8 mph becoming north northwest after midnight. Winds could gust as high as 16 mph.

    Low: 75 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87. North northeast wind 6 to 9 mph, with gusts as high as 15 mph.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67. North northeast wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming east around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 65. Calm wind.

    Low: 65 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 76. West southwest wind around 5 mph becoming light and variable.
Monday
Sunny, with a high near 93. Heat index values as high as 109. Southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Monday Night
Partly cloudy, with a low around 75. West southwest wind 5 to 8 mph becoming north northwest after midnight. Winds could gust as high as 16 mph.
Tuesday
Mostly sunny, with a high near 87. North northeast wind 6 to 9 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly clear, with a low around 67. North northeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 86. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 65. Calm wind.
Thursday
Sunny, with a high near 87.
Thursday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 68.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 80.
Friday Night
A chance of showers. Partly cloudy, with a low around 66.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Huntsville IL
 40.2°N 90.82°W (Elev. 627 ft)
Last Update:
7:16 pm CDT Jul 26, 2026
Forecast Valid:
8pm CDT Jul 26, 2026-6pm CDT Aug 2, 2026
 
Forecast Discussion
 
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Additional Resources

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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