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.

Light Rain and Breezy

66°F

19°C

Humidity 88%
Wind Speed S 21 G 26 mph
Barometer 29.83 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 18 May 2:15 pm CDT
Extended Forecast for

Huntsville IL

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms, mainly before 5pm. Cloudy, with a high near 73. Breezy, with a south wind 18 to 20 mph, with gusts as high as 30 mph.

    High: 73 °F

    Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 67. South wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 67 °F

    Mostly Cloudy
    then Heavy
    Rain

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly before 4pm. Mostly cloudy, with a high near 75. South wind 14 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.

    High: 75 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 50. North northwest wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 67. North northeast wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 67 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46. East northeast wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 70. East wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 70 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.

    High: 69 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms, mainly before 5pm. Cloudy, with a high near 73. Breezy, with a south wind 18 to 20 mph, with gusts as high as 30 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 67. South wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly before 4pm. Mostly cloudy, with a high near 75. South wind 14 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 50. North northwest wind 9 to 11 mph, with gusts as high as 20 mph.
Wednesday
Increasing clouds, with a high near 67. North northeast wind 9 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 46. East northeast wind 8 to 10 mph, with gusts as high as 18 mph.
Thursday
Partly sunny, with a high near 70. East wind 10 to 13 mph, with gusts as high as 20 mph.
Thursday Night
A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 52.
Friday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.
Friday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 55.
Saturday
Partly sunny, with a high near 77.
Saturday Night
Mostly cloudy, with a low around 57.
Sunday
Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Huntsville IL
 40.18°N 90.85°W (Elev. 600 ft)
Last Update:
2:32 pm CDT May 18, 2026
Forecast Valid:
2pm CDT May 18, 2026-6pm CDT May 24, 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