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.

Overcast

53°F

12°C

Humidity 91%
Wind Speed SE 12 G 21 mph
Barometer 29.72 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 17 Feb 10:55 pm CST
Extended Forecast for

4 Miles S Saint Elmo IL

  • Tonight

    Tonight: A chance of rain between midnight and 4am. Cloudy, then gradually becoming partly cloudy, with a low around 52. Breezy, with a southwest wind 17 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.

    Low: 52 °F

    Chance Rain
    and Breezy

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 69. West wind 12 to 17 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 69 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain between midnight and 1am. Increasing clouds, with a low around 50. South wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 50 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: A chance of rain, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 65. South wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    High: 65 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 37. South wind 10 to 16 mph becoming west after midnight. Winds could gust as high as 23 mph.

    Low: 37 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of snow after noon. Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny
    then Chance
    Snow

  • Saturday Night

    Saturday Night: A 40 percent chance of snow, mainly before midnight. Partly cloudy, with a low around 25.

    Low: 25 °F

    Chance Snow

Detailed Forecast

Tonight
A chance of rain between midnight and 4am. Cloudy, then gradually becoming partly cloudy, with a low around 52. Breezy, with a southwest wind 17 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 69. West wind 12 to 17 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 26 mph.
Wednesday Night
A slight chance of rain between midnight and 1am. Increasing clouds, with a low around 50. South wind 3 to 6 mph. Chance of precipitation is 20%.
Thursday
A chance of rain, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 65. South wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 37. South wind 10 to 16 mph becoming west after midnight. Winds could gust as high as 23 mph.
Friday
Sunny, with a high near 47.
Friday Night
Mostly clear, with a low around 29.
Saturday
A 30 percent chance of snow after noon. Mostly sunny, with a high near 42.
Saturday Night
A 40 percent chance of snow, mainly before midnight. Partly cloudy, with a low around 25.
Sunday
A 20 percent chance of snow before noon. Mostly sunny, with a high near 35.
Sunday Night
Mostly clear, with a low around 19.
Monday
Sunny, with a high near 35.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Mostly sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Saint Elmo IL
 38.98°N 88.85°W (Elev. 591 ft)
Last Update:
9:56 pm CST Feb 17, 2026
Forecast Valid:
11pm CST Feb 17, 2026-6pm CST Feb 24, 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