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

42°F

6°C

Humidity 86%
Wind Speed W 10 mph
Barometer 30.06 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 8 Mar 1:35 am CDT
Extended Forecast for

Mason IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 37. West northwest wind 3 to 5 mph.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 62. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 17 mph.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 42. South southwest wind 6 to 9 mph, with gusts as high as 17 mph.

    Low: 42 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 71. South southwest wind 7 to 17 mph, with gusts as high as 24 mph.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. South southwest wind 9 to 14 mph, with gusts as high as 23 mph.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 77. South southwest wind 9 to 17 mph, with gusts as high as 24 mph.

    High: 77 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 59. Breezy, with a south southwest wind 14 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 59 °F

    T-storms then
    Showers and
    Breezy

  • Wednesday

    Wednesday: Showers. High near 66. Breezy. Chance of precipitation is 100%.

    High: 66 °F

    Breezy.
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before midnight. Partly cloudy, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Chance
    Rain/Snow
    then Mostly
    Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 37. West northwest wind 3 to 5 mph.
Sunday
Sunny, with a high near 62. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 17 mph.
Sunday Night
Clear, with a low around 42. South southwest wind 6 to 9 mph, with gusts as high as 17 mph.
Monday
Sunny, with a high near 71. South southwest wind 7 to 17 mph, with gusts as high as 24 mph.
Monday Night
Mostly clear, with a low around 59. South southwest wind 9 to 14 mph, with gusts as high as 23 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 77. South southwest wind 9 to 17 mph, with gusts as high as 24 mph.
Tuesday Night
Showers and possibly a thunderstorm. Low around 59. Breezy, with a south southwest wind 14 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers. High near 66. Breezy. Chance of precipitation is 100%.
Wednesday Night
A chance of rain and snow before midnight. Partly cloudy, with a low around 30. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 40. Breezy.
Friday
Mostly sunny, with a high near 62. Breezy.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Mostly cloudy, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mason IL
 38.94°N 88.62°W (Elev. 564 ft)
Last Update:
12:26 am CST Mar 8, 2026
Forecast Valid:
1am CST Mar 8, 2026-6pm CDT Mar 14, 2026
 
Forecast Discussion
 
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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