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

89°F

32°C

Humidity 61%
Wind Speed SE 10 mph
Barometer 30.05 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 9 Aug 5:35 pm CDT
Extended Forecast for

4 Miles ENE Altamont IL

  • Tonight

    Tonight: Mostly clear, with a low around 70. South southeast wind 3 to 8 mph. Winds could gust as high as 16 mph.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 89. South wind 3 to 8 mph.

    High: 89 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70. Light south southeast wind.

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88. Calm wind becoming south southwest around 6 mph in the morning.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 70. South southeast wind 3 to 8 mph. Winds could gust as high as 16 mph.
Sunday
Mostly sunny, with a high near 89. South wind 3 to 8 mph.
Sunday Night
Partly cloudy, with a low around 70. Light south southeast wind.
Monday
Mostly sunny, with a high near 88. Calm wind becoming south southwest around 6 mph in the morning.
Monday Night
Mostly clear, with a low around 70. Calm wind.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Calm wind becoming south southwest around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 69. Calm wind.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 69.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 69.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 70.
Saturday
Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Altamont IL
 39.08°N 88.67°W (Elev. 577 ft)
Last Update:
4:39 pm CDT Aug 9, 2025
Forecast Valid:
5pm CDT Aug 9, 2025-6pm CDT Aug 16, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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