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 88%
Wind Speed W 9 mph
Barometer 30.06 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 8 Mar 1:15 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 16 mph.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 43. South southwest wind 6 to 9 mph, with gusts as high as 17 mph.

    Low: 43 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 72. South southwest wind 7 to 15 mph, with gusts as high as 23 mph.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 76. South southwest wind 9 to 17 mph, with gusts as high as 25 mph.

    High: 76 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 58. Breezy, with a south southwest wind 16 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Showers and
    Breezy

  • Wednesday

    Wednesday: Showers. High near 67. Breezy. Chance of precipitation is 100%.

    High: 67 °F

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain before midnight. Partly cloudy, with a low around 31.

    Low: 31 °F

    Chance Rain
    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 16 mph.
Sunday Night
Clear, with a low around 43. South southwest wind 6 to 9 mph, with gusts as high as 17 mph.
Monday
Sunny, with a high near 72. South southwest wind 7 to 15 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 59. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 76. South southwest wind 9 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
Showers and possibly a thunderstorm. Low around 58. Breezy, with a south southwest wind 16 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers. High near 67. Breezy. Chance of precipitation is 100%.
Wednesday Night
A 30 percent chance of rain before midnight. Partly cloudy, with a low around 31.
Thursday
Sunny, with a high near 49.
Thursday Night
Mostly cloudy, with a low around 39.
Friday
Mostly cloudy, with a high near 62. Breezy.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Mostly cloudy, with a high near 53.
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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:
11:36 pm CST Mar 7, 2026
Forecast Valid:
12am 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