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Hazardous Weather Conditions

Current conditions at

Effingham, Effingham County Memorial Airport (K1H2)

Lat: 39.07°NLon: 88.53°WElev: 587ft.

Mostly Cloudy

68°F

20°C

Humidity 94%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 15 Oct 2:55 am CDT
Extended Forecast for

Mason IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 64. Light east northeast wind.

    Low: 64 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 1pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. Light and variable wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before midnight, then a chance of showers. Increasing clouds, with a low around 49. Southwest wind 9 to 16 mph becoming northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Showers
    Likely

  • Friday

    Friday: Partly sunny, with a high near 57. Northwest wind 16 to 18 mph, with gusts as high as 29 mph.

    High: 57 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 39. North wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 39 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 59. North northeast wind 3 to 8 mph.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 3am. Otherwise, clear, with a low around 34. Calm wind.

    Low: 34 °F

    Clear then
    Areas Frost

  • Sunday

    Sunday: Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 66.

    High: 66 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 64. Light east northeast wind.
Thursday
Showers and thunderstorms likely, mainly before 1pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. Light and variable wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and thunderstorms likely before midnight, then a chance of showers. Increasing clouds, with a low around 49. Southwest wind 9 to 16 mph becoming northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Partly sunny, with a high near 57. Northwest wind 16 to 18 mph, with gusts as high as 29 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 39. North wind 10 to 14 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 59. North northeast wind 3 to 8 mph.
Saturday Night
Areas of frost after 3am. Otherwise, clear, with a low around 34. Calm wind.
Sunday
Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mason IL
 38.97°N 88.62°W (Elev. 600 ft)
Last Update:
1:55 am CDT Oct 15, 2026
Forecast Valid:
3am CDT Oct 15, 2026-6pm CDT Oct 21, 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