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

67°F

19°C

Humidity 54%
Wind Speed S 8 mph
Barometer 29.96 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 12 May 11:15 pm CDT
Extended Forecast for

9 Miles ESE Mason IL

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before midnight, then a chance of showers between midnight and 3am. Cloudy early, then gradual clearing, with a low around 57. Southwest wind 9 to 11 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

    Low: 57 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 71. Northwest wind 9 to 17 mph, with gusts as high as 25 mph.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. North northwest wind 6 to 11 mph becoming light north after midnight. Winds could gust as high as 20 mph.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70. Light and variable wind.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52. Light south southeast wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 17 mph.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 79. South wind 13 to 16 mph, with gusts as high as 23 mph.

    High: 79 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64. South wind around 9 mph, with gusts as high as 16 mph.

    Low: 64 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 86. Chance of precipitation is 50%.

    High: 86 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before midnight, then a chance of showers between midnight and 3am. Cloudy early, then gradual clearing, with a low around 57. Southwest wind 9 to 11 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Wednesday
Sunny, with a high near 71. Northwest wind 9 to 17 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 45. North northwest wind 6 to 11 mph becoming light north after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 70. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 52. Light south southeast wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 17 mph.
Friday
A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 79. South wind 13 to 16 mph, with gusts as high as 23 mph.
Friday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64. South wind around 9 mph, with gusts as high as 16 mph.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 86. Chance of precipitation is 50%.
Saturday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
A chance of showers. Partly cloudy, with a low around 69.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 88.
Monday Night
Showers likely. Mostly cloudy, with a low around 68.
Tuesday
Showers likely. Mostly cloudy, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ESE Mason IL
 38.92°N 88.48°W (Elev. 535 ft)
Last Update:
10:36 pm CDT May 12, 2026
Forecast Valid:
11pm CDT May 12, 2026-6pm CDT May 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation