Current conditions at

Effingham, Effingham County Memorial Airport (K1H2)

Lat: 39.07°NLon: 88.53°WElev: 587ft.

Partly Cloudy

75°F

24°C

Humidity 71%
Wind Speed W 10 mph
Barometer 30.04 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 20 Jun 9:15 am CDT
Extended Forecast for

5 Miles SE Altamont IL

Flood Watch June 21, 07:00am until June 22, 01:00am
Click here for hazard details and duration
Flood Watch
  • Today

    Today: Mostly sunny, with a high near 82. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 63. Light and variable wind.

    Low: 63 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Showers and thunderstorms, mainly after noon. Some of the storms could produce heavy rainfall.  High near 79. East southeast wind 6 to 14 mph becoming south in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 79 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers.  Low around 64. South southwest wind 9 to 14 mph becoming west northwest after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 64 °F

    Showers

  • Monday

    Monday: Partly sunny, with a high near 76. North wind around 10 mph, with gusts as high as 16 mph.

    High: 76 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57. North wind 3 to 7 mph.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 78. Light north northeast wind.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 82. Calm wind becoming west northwest around 5 mph in the afternoon.
Tonight
Increasing clouds, with a low around 63. Light and variable wind.
Sunday
Showers and thunderstorms, mainly after noon. Some of the storms could produce heavy rainfall. High near 79. East southeast wind 6 to 14 mph becoming south in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 64. South southwest wind 9 to 14 mph becoming west northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Monday
Partly sunny, with a high near 76. North wind around 10 mph, with gusts as high as 16 mph.
Monday Night
Partly cloudy, with a low around 57. North wind 3 to 7 mph.
Tuesday
Sunny, with a high near 78. Light north northeast wind.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 79.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Altamont IL
 39.01°N 88.67°W (Elev. 551 ft)
8:36 am CDT Jun 20, 2026
9am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database