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.

Partly Cloudy

63°F

17°C

Humidity 100%
Wind Speed S 8 mph
Barometer 29.91 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 10 Mar 2:55 am CDT
Extended Forecast for

5 Miles ESE Mason IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 61. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 77. South southwest wind 8 to 15 mph, with gusts as high as 25 mph.

    High: 77 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly after 4am. Mostly cloudy, with a low around 61. South southwest wind 15 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 1pm, then showers likely. Temperature falling to around 49 by 5pm. Breezy, with a southwest wind 18 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 68 °F⇓

    Breezy.
    T-storms then
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 32. North northwest wind 8 to 18 mph, with gusts as high as 26 mph.

    Low: 32 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 51. North northwest wind 5 to 7 mph becoming west southwest in the afternoon.

    High: 51 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 41. Breezy, with a south wind 7 to 12 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 31 mph.

    Low: 41 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Friday

    Friday: Mostly cloudy, with a high near 60. Breezy.

    High: 60 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Sunny

  • Friday Night

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

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 61. South southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 77. South southwest wind 8 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Showers and thunderstorms likely, mainly after 4am. Mostly cloudy, with a low around 61. South southwest wind 15 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and possibly a thunderstorm before 1pm, then showers likely. Temperature falling to around 49 by 5pm. Breezy, with a southwest wind 18 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
A 30 percent chance of showers before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 32. North northwest wind 8 to 18 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 51. North northwest wind 5 to 7 mph becoming west southwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 41. Breezy, with a south wind 7 to 12 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 31 mph.
Friday
Mostly cloudy, with a high near 60. Breezy.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Partly sunny, with a high near 63.
Saturday Night
Mostly cloudy, with a low around 49.
Sunday
Rain. Mostly cloudy, with a high near 60. Breezy.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 23. Blustery.
Monday
Partly sunny, with a high near 34.
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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:
3:11 am CDT Mar 10, 2026
Forecast Valid:
3am CDT Mar 10, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation