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Hazardous Weather Conditions

Current conditions at

Effingham, Effingham County Memorial Airport (K1H2)

Lat: 39.07°NLon: 88.53°WElev: 587ft.

Overcast

70°F

21°C

Humidity 94%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 14 Oct 11:55 pm CDT
Extended Forecast for

Mason IL

  • Overnight

    Overnight: Patchy fog before 1am. Otherwise, mostly cloudy, with a low around 64. Light northeast wind.

    Low: 64 °F

    Patchy Fog

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 82. 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 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely. Increasing clouds, with a low around 51. Southwest wind 10 to 16 mph becoming northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Showers
    Likely

  • Friday

    Friday: Partly sunny, with a high near 58. Breezy, with a northwest wind 18 to 21 mph, with gusts as high as 31 mph.

    High: 58 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. Northwest wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 60. North northeast wind 3 to 7 mph.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 5am. Otherwise, clear, with a low around 35. Calm wind.

    Low: 35 °F

    Clear then
    Areas Frost

  • Sunday

    Sunday: Areas of frost before 8am. Otherwise, sunny, with a high near 66.

    High: 66 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog before 1am. Otherwise, mostly cloudy, with a low around 64. Light northeast wind.
Thursday
Showers and possibly a thunderstorm. High near 82. 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 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely. Increasing clouds, with a low around 51. Southwest wind 10 to 16 mph becoming northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Partly sunny, with a high near 58. Breezy, with a northwest wind 18 to 21 mph, with gusts as high as 31 mph.
Friday Night
Partly cloudy, with a low around 39. Northwest wind 9 to 14 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 60. North northeast wind 3 to 7 mph.
Saturday Night
Areas of frost after 5am. Otherwise, clear, with a low around 35. Calm wind.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 40.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mason IL
 38.94°N 88.62°W (Elev. 564 ft)
Last Update:
11:51 pm CDT Oct 14, 2026
Forecast Valid:
12am CDT Oct 15, 2026-6pm CDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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