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.

Fog/Mist

33°F

1°C

Humidity 100%
Wind Speed W 3 mph
Barometer 30.20 in
Dewpoint 33°F (1°C)
Visibility 2.50 mi
Last update 2 Nov 2:15 am CST
Extended Forecast for

4 Miles SSW Altamont IL

  • Overnight

    Overnight: Patchy fog. Otherwise, partly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, sunny, with a high near 55. Light and variable wind.

    High: 55 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 34. Southwest wind 3 to 6 mph.

    Low: 34 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 62. West wind 3 to 8 mph.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 36. Calm wind.

    Low: 36 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66. Light southeast wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 66 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. South southwest wind around 9 mph, with gusts as high as 17 mph.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 32. Calm wind.
Sunday
Patchy fog before 7am. Otherwise, sunny, with a high near 55. Light and variable wind.
Sunday Night
Clear, with a low around 34. Southwest wind 3 to 6 mph.
Monday
Sunny, with a high near 62. West wind 3 to 8 mph.
Monday Night
Increasing clouds, with a low around 36. Calm wind.
Tuesday
Mostly sunny, with a high near 66. Light southeast wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 48. South southwest wind around 9 mph, with gusts as high as 17 mph.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Sunny, with a high near 66.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 50.
Friday
A chance of rain. Mostly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Altamont IL
 38.99°N 88.76°W (Elev. 600 ft)
Last Update:
1:36 am CST Nov 2, 2025
Forecast Valid:
2am CST Nov 2, 2025-6pm CST Nov 8, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation