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

23°F

-5°C

Humidity 85%
Wind Speed Calm
Barometer 30.27 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 8 Dec 7:15 pm CST
Extended Forecast for

4 Miles ENE Altamont IL

  • Tonight

    Tonight: Increasing clouds, with a temperature rising to around 30 by 5am. Light south southeast wind becoming south southwest 8 to 13 mph in the evening. Winds could gust as high as 21 mph.

    Low: 23 °F⇑

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45. South southwest wind 11 to 14 mph, with gusts as high as 24 mph.

    High: 45 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 39. Breezy, with a south southwest wind 14 to 21 mph, with gusts as high as 31 mph.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Rain and
    Breezy

  • Wednesday

    Wednesday: Scattered showers before noon. Mostly cloudy, with a temperature rising to near 42 by 8am, then falling to around 33 during the remainder of the day. Breezy, with a west wind 14 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.

    High: 42 °F⇓

    Breezy.
    Scattered
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 23. Northwest wind 5 to 10 mph, with gusts as high as 17 mph.

    Low: 23 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow. Mostly cloudy, with a high near 33. West wind around 6 mph.

    High: 33 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 22. North wind 5 to 8 mph.

    Low: 22 °F

    Chance Snow
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 32.

    High: 32 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a temperature rising to around 30 by 5am. Light south southeast wind becoming south southwest 8 to 13 mph in the evening. Winds could gust as high as 21 mph.
Tuesday
Mostly sunny, with a high near 45. South southwest wind 11 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 39. Breezy, with a south southwest wind 14 to 21 mph, with gusts as high as 31 mph.
Wednesday
Scattered showers before noon. Mostly cloudy, with a temperature rising to near 42 by 8am, then falling to around 33 during the remainder of the day. Breezy, with a west wind 14 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 23. Northwest wind 5 to 10 mph, with gusts as high as 17 mph.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 33. West wind around 6 mph.
Thursday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 22. North wind 5 to 8 mph.
Friday
Mostly cloudy, with a high near 32.
Friday Night
Mostly cloudy, with a low around 10.
Saturday
Partly sunny, with a high near 20.
Saturday Night
Mostly cloudy, with a low around 9.
Sunday
Mostly sunny, with a high near 24.
Sunday Night
Mostly cloudy, with a low around 14.
Monday
Mostly cloudy, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Altamont IL
 39.08°N 88.67°W (Elev. 577 ft)
Last Update:
6:35 pm CST Dec 8, 2025
Forecast Valid:
7pm CST Dec 8, 2025-6pm CST Dec 15, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation