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.

Overcast

71°F

22°C

Humidity 87%
Wind Speed S 14 G 18 mph
Barometer 29.77 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 11 Mar 1:55 am CDT
Extended Forecast for

Saint Elmo IL

  • Overnight

    Overnight: Rain and thunderstorms likely, then rain and possibly a thunderstorm after 5am. Some of the storms could produce heavy rainfall. Steady temperature around 68. Southwest wind 15 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    Low: 68 °F

    Heavy Rain

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 2pm, then a chance of rain. Some of the storms could produce heavy rainfall. Temperature falling to around 45 by 5pm. Breezy, with a southwest wind 13 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%.

    High: 66 °F⇓

    Heavy Rain
    then Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Cloudy during the early evening, then gradual clearing, with a low around 29. Blustery, with a northwest wind 15 to 20 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 30 mph.

    Low: 29 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 50. Light west wind increasing to 5 to 9 mph in the morning.

    High: 50 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 41. Breezy, with a south wind 9 to 14 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 31 mph.

    Low: 41 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 58. Breezy.

    High: 58 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Overnight
Rain and thunderstorms likely, then rain and possibly a thunderstorm after 5am. Some of the storms could produce heavy rainfall. Steady temperature around 68. Southwest wind 15 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Wednesday
Rain and possibly a thunderstorm before 2pm, then a chance of rain. Some of the storms could produce heavy rainfall. Temperature falling to around 45 by 5pm. Breezy, with a southwest wind 13 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%.
Wednesday Night
Cloudy during the early evening, then gradual clearing, with a low around 29. Blustery, with a northwest wind 15 to 20 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 30 mph.
Thursday
Sunny, with a high near 50. Light west wind increasing to 5 to 9 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 41. Breezy, with a south wind 9 to 14 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 31 mph.
Friday
Partly sunny, with a high near 58. Breezy.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
Partly sunny, with a high near 58.
Saturday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 49.
Sunday
A chance of rain and thunderstorms, then rain after 1pm. High near 63. Breezy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 24. Blustery. Chance of precipitation is 40%.
Monday
Sunny, with a high near 34. Breezy.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Partly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Elmo IL
 39.02°N 88.85°W (Elev. 600 ft)
Last Update:
1:26 am CDT Mar 11, 2026
Forecast Valid:
2am CDT Mar 11, 2026-6pm CDT Mar 17, 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