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.

Mostly Cloudy

53°F

12°C

Humidity 66%
Wind Speed S 8 mph
Barometer 29.69 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 7 Nov 3:35 am CST
Extended Forecast for

Saint Elmo IL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly between 4am and 5am. Mostly cloudy, with a steady temperature around 55. South wind 11 to 13 mph, with gusts as high as 21 mph.

    Low: 55 °F

    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms before 7am. Cloudy through mid morning, then gradual clearing, with a high near 69. Southwest wind 7 to 14 mph becoming west in the afternoon.

    High: 69 °F

    Slight Chance
    T-storms then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. West wind around 6 mph becoming calm in the evening.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of rain after noon. Partly sunny, with a high near 64. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 64 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 34. Southeast wind 5 to 15 mph becoming northwest after midnight. Chance of precipitation is 60%.

    Low: 34 °F

    Rain Likely
    then Chance
    Rain

  • Sunday

    Sunday: A slight chance of rain before noon, then a slight chance of rain and snow between noon and 3pm, then a slight chance of snow after 3pm. Partly sunny, with a high near 41. Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow after midnight. Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Monday

    Monday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly between 4am and 5am. Mostly cloudy, with a steady temperature around 55. South wind 11 to 13 mph, with gusts as high as 21 mph.
Friday
A 20 percent chance of showers and thunderstorms before 7am. Cloudy through mid morning, then gradual clearing, with a high near 69. Southwest wind 7 to 14 mph becoming west in the afternoon.
Friday Night
Mostly clear, with a low around 40. West wind around 6 mph becoming calm in the evening.
Saturday
A 20 percent chance of rain after noon. Partly sunny, with a high near 64. Calm wind becoming southwest 5 to 8 mph in the morning.
Saturday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 34. Southeast wind 5 to 15 mph becoming northwest after midnight. Chance of precipitation is 60%.
Sunday
A slight chance of rain before noon, then a slight chance of rain and snow between noon and 3pm, then a slight chance of snow after 3pm. Partly sunny, with a high near 41. Chance of precipitation is 20%.
Sunday Night
A 20 percent chance of snow after midnight. Partly cloudy, with a low around 23.
Monday
Sunny, with a high near 39.
Monday Night
Mostly clear, with a low around 22.
Veterans Day
Partly sunny, with a high near 50.
Tuesday Night
Mostly clear, with a low around 38.
Wednesday
Sunny, with a high near 61.
Wednesday Night
Mostly clear, with a low around 33.
Thursday
Sunny, with a high near 59.
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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:
3:11 am CST Nov 7, 2025
Forecast Valid:
3am CST Nov 7, 2025-6pm CST Nov 13, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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