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

49°F

9°C

Humidity 94%
Wind Speed Calm
Barometer 30.13 in
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 9 Oct 4:55 am CDT
Extended Forecast for

3 Miles SSW Saint Elmo IL

  • Today

    Today: Patchy fog before 8am. Otherwise, sunny, with a high near 87. Calm wind becoming south 5 to 9 mph in the morning.

    High: 87 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 58. Southeast wind 3 to 6 mph.

    Low: 58 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, with a high near 78. Southeast wind 3 to 8 mph.

    High: 78 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 57. East wind 6 to 9 mph.

    Low: 57 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 78. Northwest wind 3 to 6 mph.

    High: 78 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, sunny, with a high near 87. Calm wind becoming south 5 to 9 mph in the morning.
Tonight
Increasing clouds, with a low around 58. Southeast wind 3 to 6 mph.
Saturday
Mostly cloudy, with a high near 78. Southeast wind 3 to 8 mph.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 57. East wind 6 to 9 mph.
Sunday
Mostly sunny, with a high near 78. Northwest wind 3 to 6 mph.
Sunday Night
Mostly clear, with a low around 56.
Columbus Day
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 87.
Tuesday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 60.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 80.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 60.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Saint Elmo IL
 38.98°N 88.88°W (Elev. 600 ft)
Last Update:
5:01 am CDT Oct 9, 2026
Forecast Valid:
5am CDT Oct 9, 2026-6pm CDT Oct 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation