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

36°F

2°C

Humidity 57%
Wind Speed S 13 mph
Barometer 30.33 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 12 Jan 9:55 am CST
Extended Forecast for

5 Miles S Altamont IL

  • Today

    Today: Sunny, with a high near 49. Southwest wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 49 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 33. South southwest wind 6 to 9 mph, with gusts as high as 15 mph.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 57. Southwest wind 9 to 17 mph, with gusts as high as 25 mph.

    High: 57 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 37. West wind 9 to 11 mph, with gusts as high as 17 mph.

    Low: 37 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a temperature falling to around 31 by 5pm. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 40 °F⇓

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 16. North northwest wind 14 to 17 mph, with gusts as high as 30 mph.

    Low: 16 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 28. North northwest wind 6 to 14 mph, with gusts as high as 20 mph.

    High: 28 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 49. Southwest wind 7 to 13 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 33. South southwest wind 6 to 9 mph, with gusts as high as 15 mph.
Tuesday
Increasing clouds, with a high near 57. Southwest wind 9 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 37. West wind 9 to 11 mph, with gusts as high as 17 mph.
Wednesday
Mostly cloudy, with a temperature falling to around 31 by 5pm. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 16. North northwest wind 14 to 17 mph, with gusts as high as 30 mph.
Thursday
Mostly sunny, with a high near 28. North northwest wind 6 to 14 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 21.
Friday
Mostly cloudy, with a high near 39.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
Partly sunny, with a high near 27.
Saturday Night
Mostly cloudy, with a low around 9.
Sunday
Mostly sunny, with a high near 24.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Altamont IL
 38.99°N 88.73°W (Elev. 584 ft)
Last Update:
9:36 am CST Jan 12, 2026
Forecast Valid:
10am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
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Additional Resources

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