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

67°F

19°C

Humidity 97%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 19 Jun 10:15 pm CDT
Extended Forecast for

5 Miles ESE Mason IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82. Calm wind becoming west northwest around 6 mph in the morning.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 4am. Increasing clouds, with a low around 64. Calm wind.

    Low: 64 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then showers and thunderstorms after 1pm. High near 81. East southeast wind 5 to 13 mph becoming south in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 81 °F

    Showers
    Likely then
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm after 1am. Low around 66. South southwest wind 11 to 13 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 66 °F

    T-storms

  • Monday

    Monday: Partly sunny, with a high near 76. Northwest wind around 10 mph, with gusts as high as 17 mph.

    High: 76 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58. North northeast wind 5 to 9 mph, with gusts as high as 15 mph.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 64. Calm wind.
Saturday
Mostly sunny, with a high near 82. Calm wind becoming west northwest around 6 mph in the morning.
Saturday Night
A 20 percent chance of showers after 4am. Increasing clouds, with a low around 64. Calm wind.
Sunday
A chance of showers before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then showers and thunderstorms after 1pm. High near 81. East southeast wind 5 to 13 mph becoming south in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm after 1am. Low around 66. South southwest wind 11 to 13 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Monday
Partly sunny, with a high near 76. Northwest wind around 10 mph, with gusts as high as 17 mph.
Monday Night
Partly cloudy, with a low around 58. North northeast wind 5 to 9 mph, with gusts as high as 15 mph.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 79.
Thursday Night
A chance of showers. Partly cloudy, with a low around 61.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Mason IL
 38.94°N 88.54°W (Elev. 499 ft)
Last Update:
10:16 pm CDT Jun 19, 2026
Forecast Valid:
10pm CDT Jun 19, 2026-6pm CDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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