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.

Thunderstorm Rain

78°F

26°C

Humidity 95%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 76°F (24°C)
Visibility 5.00 mi
Heat Index81°F (27°C)
Last update 13 Jul 3:35 pm CDT
Extended Forecast for

Saint Elmo IL

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. High near 85. Light north wind. Chance of precipitation is 80%.

    High: 85 °F

    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 9pm. Patchy fog after 5am. Otherwise, cloudy, with a low around 68. Light and variable wind. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely then
    Patchy Fog

  • Monday

    Monday: Partly sunny, with a high near 86. Light and variable wind.

    High: 86 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 87. Calm wind becoming south around 6 mph in the afternoon.

    High: 87 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday Night

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

    Low: 71 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms

  • Wednesday Night

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

    Low: 72 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89.

    High: 89 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 85. Light north wind. Chance of precipitation is 80%.
Tonight
Showers and thunderstorms likely, mainly before 9pm. Patchy fog after 5am. Otherwise, cloudy, with a low around 68. Light and variable wind. Chance of precipitation is 60%.
Monday
Partly sunny, with a high near 86. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 70. Calm wind.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 87. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 88.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Thursday
A 40 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. Partly cloudy, with a low around 71.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Elmo IL
 39.04°N 88.84°W (Elev. 600 ft)
Last Update:
2:52 pm CDT Jul 13, 2025
Forecast Valid:
3pm CDT Jul 13, 2025-6pm CDT Jul 20, 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