National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Effingham, Effingham County Memorial Airport (K1H2)

Lat: 39.07°NLon: 88.53°WElev: 587ft.

Light Rain

71°F

22°C

Humidity 86%
Wind Speed S 10 G 25 mph
Barometer 29.94 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 15 Apr 3:15 pm CDT
Extended Forecast for

Saint Elmo IL

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a steady temperature around 75. South wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then a chance of showers and thunderstorms after 5am. Low around 62. South wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    Low: 62 °F

    Showers

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 78. Southwest wind 9 to 11 mph.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. West wind around 5 mph becoming light and variable in the evening.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. Southeast wind 5 to 14 mph, with gusts as high as 22 mph.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 53. Chance of precipitation is 80%.

    Low: 53 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 64. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a steady temperature around 75. South wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Tonight
Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then a chance of showers and thunderstorms after 5am. Low around 62. South wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 78. Southwest wind 9 to 11 mph.
Thursday Night
Mostly clear, with a low around 57. West wind around 5 mph becoming light and variable in the evening.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. Southeast wind 5 to 14 mph, with gusts as high as 22 mph.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 53. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 64. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Sunny, with a high near 60.
Sunday Night
Clear, with a low around 38.
Monday
Sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Elmo IL
 39.02°N 88.85°W (Elev. 600 ft)
Last Update:
2:26 pm CDT Apr 15, 2026
Forecast Valid:
3pm CDT Apr 15, 2026-6pm CDT Apr 22, 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