Current conditions at

Effingham, Effingham County Memorial Airport (K1H2)

Lat: 39.07°NLon: 88.53°WElev: 587ft.

Overcast

28°F

-2°C

Humidity 74%
Wind Speed S 6 mph
Barometer 29.96 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 5 Feb 7:55 pm CST
Extended Forecast for

Altamont IL

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 25. South wind around 7 mph becoming west southwest after midnight. Winds could gust as high as 16 mph.

    Low: 25 °F

    Decreasing
    Clouds

  • Friday

    Friday: Increasing clouds, with a high near 39. West southwest wind 7 to 12 mph becoming northwest 13 to 18 mph in the morning. Winds could gust as high as 32 mph.

    High: 39 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 17. North wind 7 to 11 mph, with gusts as high as 21 mph.

    Low: 17 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 29. North northeast wind around 6 mph becoming calm  in the afternoon.

    High: 29 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 19. Calm wind becoming south southeast 5 to 8 mph in the evening.

    Low: 19 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 42. South southeast wind 6 to 9 mph, with gusts as high as 16 mph.

    High: 42 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24. East southeast wind 3 to 5 mph.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 25. South wind around 7 mph becoming west southwest after midnight. Winds could gust as high as 16 mph.
Friday
Increasing clouds, with a high near 39. West southwest wind 7 to 12 mph becoming northwest 13 to 18 mph in the morning. Winds could gust as high as 32 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 17. North wind 7 to 11 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 29. North northeast wind around 6 mph becoming calm in the afternoon.
Saturday Night
Mostly cloudy, with a low around 19. Calm wind becoming south southeast 5 to 8 mph in the evening.
Sunday
Partly sunny, with a high near 42. South southeast wind 6 to 9 mph, with gusts as high as 16 mph.
Sunday Night
Partly cloudy, with a low around 24. East southeast wind 3 to 5 mph.
Monday
Sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Mostly sunny, with a high near 58.
Tuesday Night
A chance of rain. Cloudy, with a low around 39.
Wednesday
A chance of rain. Cloudy, with a high near 50.
Wednesday Night
A chance of rain. Cloudy, with a low around 33.
Thursday
A chance of rain. Mostly cloudy, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
Altamont IL
 39.06°N 88.76°W (Elev. 636 ft)
6:37 pm CST Feb 5, 2026
8pm CST Feb 5, 2026-6pm CST Feb 12, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database