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

38°F

3°C

Humidity 66%
Wind Speed S 5 mph
Barometer 30.13 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 12 Jan 10:15 pm CST
Extended Forecast for

4 Miles SSW Altamont IL

  • Tonight

    Tonight: Mostly clear, with a low around 34. South southwest wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58. West wind 10 to 16 mph, with gusts as high as 28 mph.

    High: 58 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 38. West wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a temperature falling to around 30 by 5pm. Breezy, with a north northwest wind 11 to 21 mph, with gusts as high as 31 mph.

    High: 38 °F⇓

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 16. North northwest wind 10 to 16 mph, with gusts as high as 29 mph.

    Low: 16 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 28. Northwest wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 16 mph.

    High: 28 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 21. South southwest wind 5 to 11 mph, with gusts as high as 20 mph.

    Low: 21 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 34. South southwest wind 7 to 9 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 58. West wind 10 to 16 mph, with gusts as high as 28 mph.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 38. West wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly cloudy, with a temperature falling to around 30 by 5pm. Breezy, with a north northwest wind 11 to 21 mph, with gusts as high as 31 mph.
Wednesday Night
Partly cloudy, with a low around 16. North northwest wind 10 to 16 mph, with gusts as high as 29 mph.
Thursday
Sunny, with a high near 28. Northwest wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 16 mph.
Thursday Night
Mostly cloudy, with a low around 21. South southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Friday
Mostly cloudy, with a high near 39.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
Mostly cloudy, with a high near 25.
Saturday Night
Mostly cloudy, with a low around 8.
Sunday
Mostly sunny, with a high near 21.
Sunday Night
Partly cloudy, with a low around 10.
M.L.King Day
Mostly sunny, with a high near 30.
Basemap Options
Click map to change the forecast location
Loading map...
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:
9:36 pm CST Jan 12, 2026
Forecast Valid:
10pm CST Jan 12, 2026-6pm CST Jan 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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