Current conditions at

Mount Sterling, Mount Sterling Municipal Airport (KI63)

Lat: 39.99°NLon: 90.8°WElev: 732ft.

Fair

39°F

4°C

Humidity 69%
Wind Speed SW 7 mph
Barometer 30.19 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 19 Apr 6:55 am CDT
Extended Forecast for

3 Miles NNW Huntsville IL

Frost Advisory April 20, 01:00am until April 20, 08:00am
Frost Advisory April 19, 07:09am until April 19, 08:00am
Click here for hazard details and duration
Frost Advisory
...
  •  
    Frost Advisory April 19, 07:09am until April 19, 08:00am

    NOW until 8:00am Sun

    Frost Advisory

  • Today

    High: 61 °F

    Areas Frost
    then Partly
    Sunny and
    Breezy

  • Tonight

    Tonight: Areas of frost after 3am.  Otherwise, mostly clear, with a low around 34. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Monday

    Monday: Widespread frost before 8am.  Otherwise, sunny, with a high near 64. South southeast wind 5 to 11 mph, with gusts as high as 16 mph.

    High: 64 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50. South wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Southwest wind 14 to 16 mph, with gusts as high as 24 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. West southwest wind around 11 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. West southwest wind 9 to 11 mph, with gusts as high as 16 mph.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Today
Areas of frost before 8am. Otherwise, increasing clouds, with a high near 61. Breezy, with a west southwest wind 8 to 13 mph becoming west northwest 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.
Tonight
Areas of frost after 3am. Otherwise, mostly clear, with a low around 34. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Widespread frost before 8am. Otherwise, sunny, with a high near 64. South southeast wind 5 to 11 mph, with gusts as high as 16 mph.
Monday Night
Mostly clear, with a low around 50. South wind 10 to 14 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 77. Southwest wind 14 to 16 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 56. West southwest wind around 11 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 78. West southwest wind 9 to 11 mph, with gusts as high as 16 mph.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Mostly sunny, with a high near 82. Breezy.
Thursday Night
A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Friday
Showers likely. Mostly cloudy, with a high near 70.
Friday Night
A chance of showers. Mostly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Huntsville IL
 40.23°N 90.88°W (Elev. 600 ft)
6:36 am CDT Apr 19, 2026
7am CDT Apr 19, 2026-6pm CDT Apr 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database