Current conditions at

Effingham, Effingham County Memorial Airport (K1H2)

Lat: 39.07°NLon: 88.53°WElev: 587ft.

Fair

59°F

15°C

Humidity 36%
Wind Speed E 16 G 22 mph
Barometer 29.99 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 14 Mar 3:55 pm CDT
Extended Forecast for

Altamont IL

Wind Advisory March 15, 10:00am until March 16, 07:00am
Click here for hazard details and duration
Wind Advisory
  • Tonight

    Tonight: Partly cloudy, with a low around 48. East southeast wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Mostly cloudy, with a high near 65. Breezy, with a south wind 20 to 29 mph, with gusts as high as 44 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Breezy.
    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Rain showers before 11pm, then rain and snow showers between 11pm and 1am, then a chance of snow after 1am. Some thunder is also possible.  Low around 22. Blustery, with a west wind 23 to 26 mph, with gusts as high as 41 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Rain/Snow and
    Blustery

  • Monday

    Monday: Mostly cloudy, with a high near 26. Wind chill values between 5 and 10. Blustery, with a west northwest wind 23 to 26 mph, with gusts as high as 41 mph.

    High: 26 °F

    Mostly Cloudy
    and Blustery

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 12. Blustery, with a west northwest wind 13 to 20 mph, with gusts as high as 28 mph.

    Low: 12 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32. West northwest wind 7 to 10 mph, with gusts as high as 16 mph.

    High: 32 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow after 1am.  Mostly cloudy, with a low around 26. South wind 5 to 15 mph, with gusts as high as 24 mph.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 48. East southeast wind 10 to 14 mph, with gusts as high as 24 mph.
Sunday
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 65. Breezy, with a south wind 20 to 29 mph, with gusts as high as 44 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Rain showers before 11pm, then rain and snow showers between 11pm and 1am, then a chance of snow after 1am. Some thunder is also possible. Low around 22. Blustery, with a west wind 23 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Monday
Mostly cloudy, with a high near 26. Wind chill values between 5 and 10. Blustery, with a west northwest wind 23 to 26 mph, with gusts as high as 41 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 12. Blustery, with a west northwest wind 13 to 20 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 32. West northwest wind 7 to 10 mph, with gusts as high as 16 mph.
Tuesday Night
A 50 percent chance of snow after 1am. Mostly cloudy, with a low around 26. South wind 5 to 15 mph, with gusts as high as 24 mph.
Wednesday
Mostly sunny, with a high near 57.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Sunny, with a high near 67.
Friday Night
Mostly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Altamont IL
 39.08°N 88.76°W (Elev. 633 ft)
3:36 pm CDT Mar 14, 2026
4pm CDT Mar 14, 2026-6pm CDT Mar 21, 2026
 
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Additional Resources

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