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Current conditions at

Effingham, Effingham County Memorial Airport (K1H2)

Lat: 39.07°NLon: 88.53°WElev: 587ft.

Fair

81°F

27°C

Humidity 20%
Wind Speed W 8 mph
Barometer 30.12 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 8 Oct 1:15 pm CDT
Extended Forecast for

Mason IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 85. Calm wind.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 53. Calm wind.

    Low: 53 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 87. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 15 mph.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. South southeast wind 3 to 5 mph.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 83. South southeast wind 3 to 8 mph. Winds could gust as high as 15 mph.

    High: 83 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Showers likely. Mostly cloudy, with a low around 59. East wind 6 to 8 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 59 °F

    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 75. East northeast wind 5 to 8 mph becoming northwest in the afternoon.

    High: 75 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 85. Calm wind.
Tonight
Clear, with a low around 53. Calm wind.
Friday
Sunny, with a high near 87. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 15 mph.
Friday Night
Mostly clear, with a low around 58. South southeast wind 3 to 5 mph.
Saturday
Increasing clouds, with a high near 83. South southeast wind 3 to 8 mph. Winds could gust as high as 15 mph.
Saturday Night
Showers likely. Mostly cloudy, with a low around 59. East wind 6 to 8 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 75. East northeast wind 5 to 8 mph becoming northwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 55.
Columbus Day
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 73.
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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:
12:56 pm CDT Oct 8, 2026
Forecast Valid:
1pm CDT Oct 8, 2026-6pm CDT Oct 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