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NWS St. Louis Announces Changes To May 16, 2025 Tornado Damage Assessment

After a year-long review of new ground survey data and aerial imagery, NWS St. Louis made several adjustments to the May 16, 2025 tornado damage assessment. Read More >

Hazardous Weather Conditions

Current conditions at

Effingham, Effingham County Memorial Airport (K1H2)

Lat: 39.07°NLon: 88.53°WElev: 587ft.

Light Rain

72°F

22°C

Humidity 98%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 16 May 1:20 pm CDT
Extended Forecast for

Saint Elmo IL

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly cloudy, with a high near 79. South wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    High: 79 °F

    Showers
    Likely

  • Tonight

    Tonight: Mostly cloudy, with a low around 65. Southeast wind 6 to 8 mph.

    Low: 65 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 84. South wind 10 to 17 mph.

    High: 84 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67. South wind around 14 mph, with gusts as high as 22 mph.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 85. Breezy, with a south wind 16 to 20 mph. Chance of precipitation is 70%.

    High: 85 °F

    Breezy.
    Chance
    Showers then
    T-storms
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 85. Breezy. Chance of precipitation is 80%.

    High: 85 °F

    Breezy.
    Chance
    T-storms then
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 61. Chance of precipitation is 80%.

    Low: 61 °F

    Showers

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 70. Chance of precipitation is 20%.

    High: 70 °F

    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly cloudy, with a high near 79. South wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Tonight
Mostly cloudy, with a low around 65. Southeast wind 6 to 8 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 84. South wind 10 to 17 mph.
Sunday Night
Mostly clear, with a low around 67. South wind around 14 mph, with gusts as high as 22 mph.
Monday
Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 85. Breezy, with a south wind 16 to 20 mph. Chance of precipitation is 70%.
Monday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 85. Breezy. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 61. Chance of precipitation is 80%.
Wednesday
A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 70. Chance of precipitation is 20%.
Wednesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 51.
Thursday
Partly sunny, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 72.
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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:
1:26 pm CDT May 16, 2026
Forecast Valid:
1pm CDT May 16, 2026-6pm CDT May 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