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

47°F

8°C

Humidity 49%
Wind Speed S 7 mph
Barometer 30.19 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 12 Jan 4:35 pm CST
Extended Forecast for

5 Miles ESE Mason IL

  • Tonight

    Tonight: Partly cloudy, with a low around 33. South southwest wind 6 to 8 mph, with gusts as high as 17 mph.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58. West southwest wind 9 to 16 mph, with gusts as high as 28 mph.

    High: 58 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 38. West wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 38 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a temperature falling to around 30 by 5pm. Breezy, with a northwest wind 11 to 20 mph, with gusts as high as 30 mph.

    High: 39 °F⇓

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 16. North northwest wind 10 to 16 mph, with gusts as high as 26 mph.

    Low: 16 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 29. Northwest wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 17 mph.

    High: 29 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 21. Light west southwest wind becoming southwest 6 to 11 mph in the evening. Winds could gust as high as 20 mph.

    Low: 21 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 33. South southwest wind 6 to 8 mph, with gusts as high as 17 mph.
Tuesday
Mostly sunny, with a high near 58. West southwest wind 9 to 16 mph, with gusts as high as 28 mph.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 38. West wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday
Mostly cloudy, with a temperature falling to around 30 by 5pm. Breezy, with a northwest wind 11 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 16. North northwest wind 10 to 16 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 29. Northwest wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 17 mph.
Thursday Night
Mostly cloudy, with a low around 21. Light west southwest wind becoming southwest 6 to 11 mph in the evening. Winds could gust as high as 20 mph.
Friday
Mostly cloudy, with a high near 40.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
Mostly cloudy, with a high near 26.
Saturday Night
Mostly cloudy, with a low around 9.
Sunday
Mostly sunny, with a high near 21.
Sunday Night
Partly cloudy, with a low around 11.
M.L.King Day
Mostly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Mason IL
 38.94°N 88.54°W (Elev. 499 ft)
Last Update:
3:36 pm CST Jan 12, 2026
Forecast Valid:
4pm CST Jan 12, 2026-6pm CST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation