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

35°F

2°C

Humidity 100%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 8 Mar 5:15 am CDT
Extended Forecast for

4 Miles ENE Altamont IL

  • Today

    Today: Sunny, with a high near 62. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 42. Southwest wind 6 to 9 mph, with gusts as high as 17 mph.

    Low: 42 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 71. South southwest wind 8 to 17 mph, with gusts as high as 25 mph.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. South southwest wind 9 to 17 mph, with gusts as high as 25 mph.

    High: 77 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 57. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 57 °F

    T-storms and
    Breezy

  • Wednesday

    Wednesday: Showers. High near 66. Breezy, with a southwest wind 20 to 22 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 66 °F

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 1am. Partly cloudy, with a low around 30. Blustery. Chance of precipitation is 30%.

    Low: 30 °F

    Chance
    Rain/Snow and
    Blustery

  • Thursday

    Thursday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 62. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Tonight
Clear, with a low around 42. Southwest wind 6 to 9 mph, with gusts as high as 17 mph.
Monday
Sunny, with a high near 71. South southwest wind 8 to 17 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 58. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. South southwest wind 9 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
Showers and possibly a thunderstorm. Low around 57. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers. High near 66. Breezy, with a southwest wind 20 to 22 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Wednesday Night
A chance of rain and snow before 1am. Partly cloudy, with a low around 30. Blustery. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 48.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 62. Breezy.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
Mostly cloudy, with a high near 51.
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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:
5:06 am CDT Mar 8, 2026
Forecast Valid:
5am CDT Mar 8, 2026-6pm CDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation