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

73°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 73°F (23°C)
Visibility 7.00 mi
Last update 15 Jul 1:35 am CDT
Extended Forecast for

4 Miles S Saint Elmo IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 70. Light southeast wind.

    Low: 70 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 4pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 84. Light and variable wind becoming southeast 5 to 7 mph. Chance of precipitation is 60%.

    High: 84 °F

    Chance
    T-storms and
    Patchy Fog
    then T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly before 7pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 70. South wind around 6 mph becoming calm after midnight. Chance of precipitation is 60%.

    Low: 70 °F

    T-storms
    Likely then
    Slight Chance
    T-storms and
    Patchy Fog

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 89 °F

    Patchy Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Light southwest wind.

    Low: 72 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89.

    High: 89 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 85.

    High: 85 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.

    Low: 71 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 70. Light southeast wind.
Tuesday
Showers and thunderstorms likely, mainly after 4pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 84. Light and variable wind becoming southeast 5 to 7 mph. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely, mainly before 7pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 70. South wind around 6 mph becoming calm after midnight. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming southwest 5 to 7 mph in the morning.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Light southwest wind.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 70.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 85.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Saint Elmo IL
 38.98°N 88.85°W (Elev. 591 ft)
Last Update:
12:22 am CDT Jul 15, 2025
Forecast Valid:
1am CDT Jul 15, 2025-6pm CDT Jul 21, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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