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.

Fair

61°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 30.19 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 4 Oct 3:35 am CDT
Extended Forecast for

Altamont IL

  • Overnight

    Overnight: Mostly clear, with a low around 61. Light south southwest wind.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86. Light south southwest wind becoming south 5 to 9 mph in the morning.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 57. South southeast wind around 6 mph.

    Low: 57 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 86. South wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61. South southeast wind 3 to 6 mph.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers. Mostly sunny, with a high near 85. South wind 3 to 7 mph.

    High: 85 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 63. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 63 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 76. Chance of precipitation is 50%.

    High: 76 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 61. Light south southwest wind.
Saturday
Sunny, with a high near 86. Light south southwest wind becoming south 5 to 9 mph in the morning.
Saturday Night
Clear, with a low around 57. South southeast wind around 6 mph.
Sunday
Sunny, with a high near 86. South wind 5 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 61. South southeast wind 3 to 6 mph.
Monday
A 40 percent chance of showers. Mostly sunny, with a high near 85. South wind 3 to 7 mph.
Monday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 63. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 76. Chance of precipitation is 50%.
Tuesday Night
Mostly cloudy, with a low around 51.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Altamont IL
 39.06°N 88.73°W (Elev. 600 ft)
Last Update:
3:36 am CDT Oct 4, 2025
Forecast Valid:
3am CDT Oct 4, 2025-6pm CDT Oct 10, 2025
 
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