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

Effingham, Effingham County Memorial Airport (K1H2)

Lat: 39.07°NLon: 88.53°WElev: 587ft.

Fair

31°F

-1°C

Humidity 76%
Wind Speed S 8 mph
Barometer 30.03 in
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 9 Dec 6:15 am CST
Extended Forecast for

Altamont IL

  • Today

    Today: Increasing clouds, with a high near 46. South southwest wind 13 to 15 mph, with gusts as high as 25 mph.

    High: 46 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A 40 percent chance of showers after midnight. Cloudy, with a low around 39. West southwest wind 16 to 18 mph, with gusts as high as 31 mph.

    Low: 39 °F

    Cloudy then
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of rain showers before 11am, then a slight chance of snow showers between 11am and noon. Mostly cloudy, with a temperature falling to around 33 by 5pm. Breezy, with a west northwest wind 14 to 24 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.

    High: 42 °F⇓

    Breezy.
    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24. West northwest wind 5 to 11 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 34. West wind around 6 mph becoming north northeast in the afternoon.

    High: 34 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 25. East northeast wind 3 to 7 mph.

    Low: 25 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 37. East southeast wind 7 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 16 mph.

    High: 37 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 24.

    High: 24 °F

    Mostly Cloudy

Detailed Forecast

Today
Increasing clouds, with a high near 46. South southwest wind 13 to 15 mph, with gusts as high as 25 mph.
Tonight
A 40 percent chance of showers after midnight. Cloudy, with a low around 39. West southwest wind 16 to 18 mph, with gusts as high as 31 mph.
Wednesday
A slight chance of rain showers before 11am, then a slight chance of snow showers between 11am and noon. Mostly cloudy, with a temperature falling to around 33 by 5pm. Breezy, with a west northwest wind 14 to 24 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 24. West northwest wind 5 to 11 mph, with gusts as high as 20 mph.
Thursday
Mostly cloudy, with a high near 34. West wind around 6 mph becoming north northeast in the afternoon.
Thursday Night
Mostly cloudy, with a low around 25. East northeast wind 3 to 7 mph.
Friday
Partly sunny, with a high near 37. East southeast wind 7 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 16 mph.
Friday Night
Mostly cloudy, with a low around 15.
Saturday
Mostly cloudy, with a high near 24.
Saturday Night
Mostly cloudy, with a low around 5.
Sunday
Sunny, with a high near 18.
Sunday Night
Partly cloudy, with a low around 9.
Monday
A chance of snow. Partly sunny, with a high near 30.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Altamont IL
 39.06°N 88.73°W (Elev. 600 ft)
Last Update:
5:26 am CST Dec 9, 2025
Forecast Valid:
6am CST Dec 9, 2025-6pm CST Dec 15, 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