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

Mount Sterling, Mount Sterling Municipal Airport (KI63)

Lat: 39.99°NLon: 90.8°WElev: 732ft.

Fair

55°F

13°C

Humidity 61%
Wind Speed SW 12 mph
Barometer 29.79 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 9 Mar 8:35 am CDT
Extended Forecast for

Huntsville IL

  • Today

    Today: Sunny, with a high near 75. Southwest wind 13 to 16 mph, with gusts as high as 24 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. South southwest wind around 9 mph, with gusts as high as 17 mph.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 80. South southwest wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Mostly Sunny
    then T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 7pm, then showers and possibly a thunderstorm between 7pm and 4am, then showers after 4am. Low around 44. South southwest wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 44 °F

    T-storms

  • Wednesday

    Wednesday: Showers likely before 1pm. Cloudy, with a temperature falling to around 44 by 5pm. Breezy, with a north northwest wind 15 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 56 °F⇓

    Showers
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 29. Northwest wind 7 to 16 mph, with gusts as high as 25 mph.

    Low: 29 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 51. West northwest wind 6 to 15 mph becoming south in the afternoon. Winds could gust as high as 23 mph.

    High: 51 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 42. Breezy.

    Low: 42 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 75. Southwest wind 13 to 16 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 57. South southwest wind around 9 mph, with gusts as high as 17 mph.
Tuesday
Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 80. South southwest wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and thunderstorms likely before 7pm, then showers and possibly a thunderstorm between 7pm and 4am, then showers after 4am. Low around 44. South southwest wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Wednesday
Showers likely before 1pm. Cloudy, with a temperature falling to around 44 by 5pm. Breezy, with a north northwest wind 15 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 29. Northwest wind 7 to 16 mph, with gusts as high as 25 mph.
Thursday
Partly sunny, with a high near 51. West northwest wind 6 to 15 mph becoming south in the afternoon. Winds could gust as high as 23 mph.
Thursday Night
Mostly cloudy, with a low around 42. Breezy.
Friday
Mostly cloudy, with a high near 55.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
Mostly cloudy, with a high near 58.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
A chance of rain. Mostly cloudy, with a high near 59. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Huntsville IL
 40.18°N 90.85°W (Elev. 600 ft)
Last Update:
7:36 am CDT Mar 9, 2026
Forecast Valid:
8am CDT Mar 9, 2026-6pm CDT Mar 15, 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