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

54°F

12°C

Humidity 48%
Wind Speed S 7 mph
Barometer 30.22 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 2 Nov 1:55 pm CST
Extended Forecast for

Mason IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 56. South southwest wind 3 to 5 mph.

    High: 56 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 37. South southwest wind 3 to 7 mph.

    Low: 37 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 62. South southwest wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 36. Calm wind.

    Low: 36 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67. Light southeast wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 24 mph.

    High: 67 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49. South southwest wind around 10 mph, with gusts as high as 18 mph.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 70. Southwest wind 7 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 17 mph.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 56. South southwest wind 3 to 5 mph.
Tonight
Clear, with a low around 37. South southwest wind 3 to 7 mph.
Monday
Sunny, with a high near 62. South southwest wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.
Monday Night
Increasing clouds, with a low around 36. Calm wind.
Tuesday
Mostly sunny, with a high near 67. Light southeast wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around 49. South southwest wind around 10 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 70. Southwest wind 7 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 17 mph.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Sunny, with a high near 64.
Thursday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 49.
Friday
A chance of rain. Partly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Mostly sunny, 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:
1:06 pm CST Nov 2, 2025
Forecast Valid:
2pm CST Nov 2, 2025-6pm CST Nov 8, 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