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

48°F

9°C

Humidity 100%
Wind Speed NW 7 mph
Barometer 30.06 in
Dewpoint 48°F (9°C)
Visibility 7.00 mi
Wind Chill45°F (7°C)
Last update 18 Nov 10:35 pm CST
Extended Forecast for

Saint Elmo IL

  • Tonight

    Tonight: Patchy fog before 1am, then patchy fog after 4am. Otherwise, cloudy, with a low around 44. Northeast wind 5 to 7 mph.

    Low: 44 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, cloudy, with a high near 55. Northeast wind around 6 mph becoming calm in the morning.

    High: 55 °F

    Patchy Fog
    then Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain likely, mainly after noon. Cloudy, with a high near 58. Calm wind becoming south around 6 mph. Chance of precipitation is 60%.

    High: 58 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm. Cloudy, with a low around 51. Light and variable wind. Chance of precipitation is 60%.

    Low: 51 °F

    Rain Likely

  • Friday

    Friday: Rain. High near 58. Chance of precipitation is 80%.

    High: 58 °F

    Rain

  • Friday Night

    Friday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog before 1am, then patchy fog after 4am. Otherwise, cloudy, with a low around 44. Northeast wind 5 to 7 mph.
Wednesday
Patchy fog before 9am. Otherwise, cloudy, with a high near 55. Northeast wind around 6 mph becoming calm in the morning.
Wednesday Night
Mostly cloudy, with a low around 44. Calm wind.
Thursday
Rain likely, mainly after noon. Cloudy, with a high near 58. Calm wind becoming south around 6 mph. Chance of precipitation is 60%.
Thursday Night
Rain likely and possibly a thunderstorm. Cloudy, with a low around 51. Light and variable wind. Chance of precipitation is 60%.
Friday
Rain. High near 58. Chance of precipitation is 80%.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 41.
Monday
A 20 percent chance of rain. Partly sunny, with a high near 59.
Monday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 42.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Elmo IL
 39.02°N 88.87°W (Elev. 604 ft)
Last Update:
9:26 pm CST Nov 18, 2025
Forecast Valid:
10pm CST Nov 18, 2025-6pm CST Nov 25, 2025
 
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