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.

Overcast

26°F

-3°C

Humidity 67%
Wind Speed W 17 G 38 mph
Barometer 30.33 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 11 Jan 5:35 am CST
Extended Forecast for

Mason IL

  • Overnight

    Overnight: Isolated flurries. Cloudy, with a low around 27. Blustery, with a west northwest wind around 21 mph, with gusts as high as 31 mph.

    Low: 27 °F

    Isolated
    Flurries and
    Blustery

  • Sunday

    Sunday: Isolated flurries before 8am. Cloudy through mid morning, then gradual clearing, with a high near 36. Breezy, with a northwest wind 16 to 21 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 36 °F

    Isolated
    Flurries and
    Breezy then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 26. Light and variable wind becoming southwest 5 to 8 mph after midnight. Winds could gust as high as 17 mph.

    Low: 26 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 47. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 47 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. South southwest wind 5 to 8 mph, with gusts as high as 15 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 56. Southwest wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 56 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. West wind 7 to 9 mph, with gusts as high as 16 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy

  • Wednesday Night

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

    Low: 18 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Isolated flurries. Cloudy, with a low around 27. Blustery, with a west northwest wind around 21 mph, with gusts as high as 31 mph.
Sunday
Isolated flurries before 8am. Cloudy through mid morning, then gradual clearing, with a high near 36. Breezy, with a northwest wind 16 to 21 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 33 mph.
Sunday Night
Mostly clear, with a low around 26. Light and variable wind becoming southwest 5 to 8 mph after midnight. Winds could gust as high as 17 mph.
Monday
Sunny, with a high near 47. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Monday Night
Partly cloudy, with a low around 34. South southwest wind 5 to 8 mph, with gusts as high as 15 mph.
Tuesday
Partly sunny, with a high near 56. Southwest wind 9 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 37. West wind 7 to 9 mph, with gusts as high as 16 mph.
Wednesday
Mostly cloudy, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 18.
Thursday
Mostly sunny, with a high near 34.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
Mostly cloudy, with a high near 39.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
Mostly cloudy, with a high near 30.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mason IL
 38.94°N 88.62°W (Elev. 564 ft)
Last Update:
4:32 am CST Jan 11, 2026
Forecast Valid:
5am CST Jan 11, 2026-6pm CST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation