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

40°F

4°C

Humidity 93%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 10 Jan 2:55 am CST
Extended Forecast for

Effingham IL

  • Overnight

    Overnight: A 20 percent chance of rain. Mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A 30 percent chance of rain, mainly before 9am. Cloudy, then gradual clearing during the afternoon, with a high near 44. Light west northwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 29 mph.

    High: 44 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24. West northwest wind 8 to 16 mph, with gusts as high as 26 mph.

    Low: 24 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 34. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 34 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24. Calm wind becoming south southwest 5 to 7 mph after midnight. Winds could gust as high as 15 mph.

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 46. South southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 46 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 32. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of rain. Mostly cloudy, with a low around 39. Calm wind.
Saturday
A 30 percent chance of rain, mainly before 9am. Cloudy, then gradual clearing during the afternoon, with a high near 44. Light west northwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 29 mph.
Saturday Night
Partly cloudy, with a low around 24. West northwest wind 8 to 16 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 34. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
Mostly clear, with a low around 24. Calm wind becoming south southwest 5 to 7 mph after midnight. Winds could gust as high as 15 mph.
Monday
Sunny, with a high near 46. South southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 32. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Tuesday
Partly sunny, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 20.
Thursday
Partly sunny, with a high near 32.
Thursday Night
Mostly cloudy, with a low around 22.
Friday
Mostly cloudy, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Effingham IL
 39.12°N 88.55°W (Elev. 581 ft)
Last Update:
9:37 pm CST Jan 9, 2026
Forecast Valid:
3am CST Jan 10, 2026-6pm CST Jan 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation