Current conditions at

Effingham, Effingham County Memorial Airport (K1H2)

Lat: 39.07°NLon: 88.53°WElev: 587ft.

Fair

30°F

-1°C

Humidity 50%
Wind Speed W 9 mph
Barometer 30.45 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 23 Feb 5:15 pm CST
Extended Forecast for

Mason IL

  • Tonight

    Tonight: Mostly clear, with a low around 19. Northwest wind around 6 mph becoming calm.

    Low: 19 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 45. Breezy, with a south wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 39 mph.

    High: 45 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31. South southwest wind 13 to 18 mph becoming west 7 to 12 mph after midnight. Winds could gust as high as 26 mph.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 49. West northwest wind around 6 mph becoming light and variable  in the afternoon.

    High: 49 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after midnight.  Partly cloudy during the early evening, then becoming cloudy, with a low around 33. East northeast wind 3 to 8 mph. Winds could gust as high as 15 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 33 °F

    Chance Rain
    then Rain
    Likely

  • Thursday

    Thursday: A 40 percent chance of rain before noon.  Cloudy, then gradually becoming mostly sunny, with a high near 45. Northeast wind 7 to 9 mph becoming north northwest in the afternoon. Winds could gust as high as 15 mph.

    High: 45 °F

    Chance Rain
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 19. Northwest wind around 6 mph becoming calm.
Tuesday
Mostly cloudy, with a high near 45. Breezy, with a south wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 39 mph.
Tuesday Night
Mostly cloudy, with a low around 31. South southwest wind 13 to 18 mph becoming west 7 to 12 mph after midnight. Winds could gust as high as 26 mph.
Wednesday
Mostly sunny, with a high near 49. West northwest wind around 6 mph becoming light and variable in the afternoon.
Wednesday Night
Rain likely, mainly after midnight. Partly cloudy during the early evening, then becoming cloudy, with a low around 33. East northeast wind 3 to 8 mph. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 40 percent chance of rain before noon. Cloudy, then gradually becoming mostly sunny, with a high near 45. Northeast wind 7 to 9 mph becoming north northwest in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Mostly clear, with a low around 29. North northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 61.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 45.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 30.
Monday
A chance of rain. Mostly cloudy, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
Mason IL
 38.94°N 88.62°W (Elev. 564 ft)
5:36 pm CST Feb 23, 2026
5pm CST Feb 23, 2026-6pm CST Mar 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database