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.

Fair

46°F

8°C

Humidity 81%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 9 Nov 11:35 pm CST
Extended Forecast for

Oconee IL

  • Tonight

    Tonight: Clear, with a low around 45. West wind around 6 mph.

    Low: 45 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 66. West wind around 5 mph becoming calm in the afternoon.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 43. Calm wind.

    Low: 43 °F

    Increasing
    Clouds

  • Veterans Day

    Veterans Day: A 40 percent chance of showers after noon. Mostly sunny, with a high near 65. Light and variable wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 17 mph.

    High: 65 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 40. North northwest wind around 11 mph, with gusts as high as 18 mph.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 48. North northwest wind 11 to 15 mph, with gusts as high as 21 mph.

    High: 48 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 29. North northwest wind 7 to 10 mph, with gusts as high as 17 mph.

    Low: 29 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 45. West wind around 6 mph.
Tuesday
Sunny, with a high near 66. West wind around 5 mph becoming calm in the afternoon.
Tuesday Night
Increasing clouds, with a low around 43. Calm wind.
Veterans Day
A 40 percent chance of showers after noon. Mostly sunny, with a high near 65. Light and variable wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 17 mph.
Wednesday Night
Mostly cloudy, with a low around 40. North northwest wind around 11 mph, with gusts as high as 18 mph.
Thursday
Mostly sunny, with a high near 48. North northwest wind 11 to 15 mph, with gusts as high as 21 mph.
Thursday Night
Mostly cloudy, with a low around 29. North northwest wind 7 to 10 mph, with gusts as high as 17 mph.
Friday
Mostly sunny, with a high near 45.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 49.
Saturday Night
Mostly clear, with a low around 29.
Sunday
Sunny, with a high near 53.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oconee IL
 39.29°N 89.12°W (Elev. 686 ft)
Last Update:
9:36 pm CST Nov 9, 2026
Forecast Valid:
11pm CST Nov 9, 2026-6pm CST Nov 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation