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.

Partly Cloudy

69°F

21°C

Humidity 73%
Wind Speed S 15 G 26 mph
Barometer 29.73 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 15 Nov 10:15 am CST
Extended Forecast for

Mason IL

  • Today

    Today: Mostly sunny, with a high near 76. West southwest wind 10 to 17 mph, with gusts as high as 28 mph.

    High: 76 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 41. North northwest wind 8 to 13 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56. North northwest wind 3 to 8 mph.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 55. Calm wind becoming southeast 5 to 7 mph in the morning.

    High: 55 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Rain. Low around 43. East southeast wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain before noon. Mostly cloudy, with a high near 60. East southeast wind 7 to 10 mph, with gusts as high as 16 mph.

    High: 60 °F

    Chance Rain
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain after noon. Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny
    then Chance
    Rain

Detailed Forecast

Today
Mostly sunny, with a high near 76. West southwest wind 10 to 17 mph, with gusts as high as 28 mph.
Tonight
Mostly clear, with a low around 41. North northwest wind 8 to 13 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 56. North northwest wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 31. Calm wind.
Monday
Mostly sunny, with a high near 55. Calm wind becoming southeast 5 to 7 mph in the morning.
Monday Night
Rain. Low around 43. East southeast wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
A 30 percent chance of rain before noon. Mostly cloudy, with a high near 60. East southeast wind 7 to 10 mph, with gusts as high as 16 mph.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
A 30 percent chance of rain after noon. Partly sunny, with a high near 60.
Wednesday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Thursday
Rain. Mostly cloudy, with a high near 62.
Thursday Night
Rain likely. Mostly cloudy, with a low around 49.
Friday
A chance of rain. Mostly cloudy, with a high near 63.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mason IL
 38.94°N 88.62°W (Elev. 564 ft)
Last Update:
9:36 am CST Nov 15, 2025
Forecast Valid:
10am CST Nov 15, 2025-6pm CST Nov 21, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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