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.

Fair

40°F

4°C

Humidity 100%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 40°F (4°C)
Visibility 7.00 mi
Last update 15 Feb 8:15 pm CST
Extended Forecast for

4 Miles W Effingham IL

Dense Fog Advisory February 15, 11:00pm until February 16, 09:00am
Click here for hazard details and duration
Dense Fog Advisory

  • Tonight

    Tonight: Patchy dense fog after 11pm. Otherwise, partly cloudy, with a low around 37. Light and variable wind.

    Low: 37 °F

    Patchy Dense
    Fog

  • Washington's Birthday

    Washington's Birthday: Areas of dense fog before 10am. Otherwise, partly sunny, with a high near 59. Light south southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 59 °F

    Areas Dense
    Fog then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. South wind around 6 mph.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Cloudy, with a high near 59. South wind 6 to 15 mph, with gusts as high as 25 mph.

    High: 59 °F

    Cloudy

  • Tuesday Night

    Tuesday Night: Cloudy, then gradually becoming partly cloudy, with a low around 54. Breezy, with a south wind 15 to 21 mph, with gusts as high as 32 mph.

    Low: 54 °F

    Decreasing
    Clouds and
    Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 69. West southwest wind 10 to 18 mph, with gusts as high as 30 mph.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44. Southwest wind 5 to 8 mph becoming south southeast after midnight. Winds could gust as high as 15 mph.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after noon. Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before midnight. Partly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain
    then Partly
    Cloudy

Detailed Forecast

Tonight
Patchy dense fog after 11pm. Otherwise, partly cloudy, with a low around 37. Light and variable wind.
Washington's Birthday
Areas of dense fog before 10am. Otherwise, partly sunny, with a high near 59. Light south southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 40. South wind around 6 mph.
Tuesday
Cloudy, with a high near 59. South wind 6 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 54. Breezy, with a south wind 15 to 21 mph, with gusts as high as 32 mph.
Wednesday
Sunny, with a high near 69. West southwest wind 10 to 18 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 44. Southwest wind 5 to 8 mph becoming south southeast after midnight. Winds could gust as high as 15 mph.
Thursday
A 30 percent chance of rain after noon. Mostly sunny, with a high near 68.
Thursday Night
A 30 percent chance of rain before midnight. Partly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 51.
Friday Night
A chance of rain. Mostly cloudy, with a low around 30.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Effingham IL
 39.12°N 88.61°W (Elev. 551 ft)
Last Update:
7:26 pm CST Feb 15, 2026
Forecast Valid:
8pm CST Feb 15, 2026-6pm CST Feb 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation