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

75°F

24°C

Humidity 99%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Last update 19 Aug 9:15 pm CDT
Extended Forecast for

5 Miles ESE Mason IL

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between midnight and 3am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 82. Calm wind becoming north northeast around 5 mph.

    High: 82 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 84. Light and variable wind.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 84. Calm wind becoming northwest 5 to 8 mph in the morning. Winds could gust as high as 15 mph.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. Light north northwest wind.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly between midnight and 3am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 67. Calm wind.
Thursday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 82. Calm wind becoming north northeast around 5 mph.
Thursday Night
Partly cloudy, with a low around 63. Calm wind.
Friday
Mostly sunny, with a high near 84. Light and variable wind.
Friday Night
Mostly clear, with a low around 65. Calm wind.
Saturday
Mostly sunny, with a high near 84. Calm wind becoming northwest 5 to 8 mph in the morning. Winds could gust as high as 15 mph.
Saturday Night
Mostly clear, with a low around 63. Light north northwest wind.
Sunday
Sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Mason IL
 38.94°N 88.54°W (Elev. 499 ft)
Last Update:
7:36 pm CDT Aug 19, 2026
Forecast Valid:
9pm CDT Aug 19, 2026-6pm CDT Aug 26, 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