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.

Fair

64°F

18°C

Humidity 95%
Wind Speed Calm
Barometer 30.14 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 23 Jul 12:35 am CDT
Extended Forecast for

4 Miles ENE Altamont IL

  • Overnight

    Overnight: Mostly clear, with a low around 57. Northeast wind 3 to 5 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. Northeast wind 3 to 5 mph.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59. Light east northeast wind.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 77. Light and variable wind.

    High: 77 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly cloudy, with a high near 83. Calm wind becoming south southeast around 5 mph. Chance of precipitation is 50%.

    High: 83 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 57. Northeast wind 3 to 5 mph.
Thursday
Sunny, with a high near 78. Northeast wind 3 to 5 mph.
Thursday Night
Partly cloudy, with a low around 59. Light east northeast wind.
Friday
Partly sunny, with a high near 77. Light and variable wind.
Friday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 62. Calm wind.
Saturday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly cloudy, with a high near 83. Calm wind becoming south southeast around 5 mph. Chance of precipitation is 50%.
Saturday Night
Partly cloudy, with a low around 68. Calm wind.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 71.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Mostly sunny, with a high near 91.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Altamont IL
 39.08°N 88.67°W (Elev. 577 ft)
Last Update:
12:36 am CDT Jul 23, 2026
Forecast Valid:
1am CDT Jul 23, 2026-6pm CDT Jul 29, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation