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

37°F

3°C

Humidity 73%
Wind Speed S 5 mph
Barometer 30.06 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 13 Jan 2:15 am CST
Extended Forecast for

Saint Elmo IL

  • Overnight

    Overnight: Mostly clear, with a low around 36. South wind 7 to 9 mph, with gusts as high as 21 mph.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 58. Southwest wind 9 to 15 mph, with gusts as high as 26 mph.

    High: 58 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after 7pm. Mostly cloudy, with a low around 35. West wind 8 to 13 mph, with gusts as high as 23 mph.

    Low: 35 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Mostly cloudy, with a temperature rising to near 39 by 10am, then falling to around 30 during the remainder of the day. Breezy, with a northwest wind 14 to 23 mph, with gusts as high as 31 mph.

    High: 39 °F⇓

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 15. North wind 10 to 16 mph, with gusts as high as 25 mph.

    Low: 15 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 28.

    High: 28 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Slight Chance
    Snow

  • Friday

    Friday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 17.

    Low: 17 °F

    Slight Chance
    Snow then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 36. South wind 7 to 9 mph, with gusts as high as 21 mph.
Tuesday
Increasing clouds, with a high near 58. Southwest wind 9 to 15 mph, with gusts as high as 26 mph.
Tuesday Night
A 20 percent chance of rain after 7pm. Mostly cloudy, with a low around 35. West wind 8 to 13 mph, with gusts as high as 23 mph.
Wednesday
Mostly cloudy, with a temperature rising to near 39 by 10am, then falling to around 30 during the remainder of the day. Breezy, with a northwest wind 14 to 23 mph, with gusts as high as 31 mph.
Wednesday Night
Partly cloudy, with a low around 15. North wind 10 to 16 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 28.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 21.
Friday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 39.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 17.
Saturday
Partly sunny, with a high near 25.
Saturday Night
Mostly cloudy, with a low around 7.
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.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Elmo IL
 39.02°N 88.85°W (Elev. 600 ft)
Last Update:
12:21 am CST Jan 13, 2026
Forecast Valid:
2am CST Jan 13, 2026-6pm CST Jan 19, 2026
 
Forecast Discussion
 
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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