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.

Rain

80°F

27°C

Humidity 98%
Wind Speed SW 10 mph
Barometer 30.07 in
Dewpoint 79°F (26°C)
Visibility 7.00 mi
Heat Index87°F (31°C)
Last update 16 Aug 12:15 pm CDT
Extended Forecast for

Oconee IL

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Partly sunny, with a high near 88. West wind around 7 mph.

    High: 88 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 1am. Increasing clouds, with a low around 68. Light north northwest wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Showers
    Likely

  • Monday

    Monday: Mostly sunny, with a high near 83. North northwest wind 5 to 7 mph.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. North wind around 6 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Light southwest wind.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers after 1am. Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers likely before 1pm. Partly sunny, with a high near 84. Light and variable wind becoming north northwest 5 to 7 mph in the morning. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 84 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Partly sunny, with a high near 88. West wind around 7 mph.
Tonight
Showers and thunderstorms likely, mainly before 1am. Increasing clouds, with a low around 68. Light north northwest wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Mostly sunny, with a high near 83. North northwest wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 63. North wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 86. Light southwest wind.
Tuesday Night
A 50 percent chance of showers after 1am. Partly cloudy, with a low around 68. Calm wind.
Wednesday
Showers likely before 1pm. Partly sunny, with a high near 84. Light and variable wind becoming north northwest 5 to 7 mph in the morning. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Oconee IL
 39.29°N 89.12°W (Elev. 686 ft)
Last Update:
12:12 pm CDT Aug 16, 2026
Forecast Valid:
12pm CDT Aug 16, 2026-6pm CDT Aug 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