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

62°F

17°C

Humidity 100%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 19 Jun 1:15 am CDT
Extended Forecast for

3 Miles NNW Mason IL

  • Overnight

    Overnight: Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 81. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 83. Calm wind becoming west around 5 mph in the afternoon.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64. Light and variable wind.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 81. Southeast wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 81 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 65. South southwest wind 11 to 15 mph becoming north northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 65 °F

    Showers

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 77.

    High: 77 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 59. Calm wind.
Juneteenth
Sunny, with a high near 81. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 62. Calm wind.
Saturday
Sunny, with a high near 83. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 64. Light and variable wind.
Sunday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 81. Southeast wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
Showers and possibly a thunderstorm. Low around 65. South southwest wind 11 to 15 mph becoming north northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Monday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Mostly sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Mason IL
 38.99°N 88.65°W (Elev. 499 ft)
Last Update:
1:26 am CDT Jun 19, 2026
Forecast Valid:
1am CDT Jun 19, 2026-6pm CDT Jun 25, 2026
 
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