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

-2°F

-19°C

Humidity 86%
Wind Speed Calm
Barometer 30.38 in
Dewpoint -5°F (-21°C)
Visibility 10.00 mi
Last update 28 Jan 6:15 am CST
Extended Forecast for

Altamont IL

Cold Weather Advisory January 28, 06:24am until January 28, 10:00am
Click here for hazard details and duration
...
  •  
    Cold Weather Advisory January 28, 06:24am until January 28, 10:00am

    NOW until 10:00am Wed

    Cold Weather Advisory

  • Today

    High: 22 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 3. West southwest wind around 5 mph becoming light and variable in the evening.

    Low: 3 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 19. Wind chill values between 4 and 14. Light north northeast wind.

    High: 19 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 2. Wind chill values between -1 and -6. Calm wind becoming north around 5 mph after midnight.

    Low: 2 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 15. North wind 5 to 8 mph.

    High: 15 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 0. North wind 6 to 9 mph, with gusts as high as 16 mph.

    Low: 0 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 15. Northwest wind 6 to 10 mph, with gusts as high as 16 mph.

    High: 15 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 0.

    Low: 0 °F

    Partly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 22. Wind chill values between -4 and -14. West wind 5 to 13 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, with a low around 3. West southwest wind around 5 mph becoming light and variable in the evening.
Thursday
Mostly cloudy, with a high near 19. Wind chill values between 4 and 14. Light north northeast wind.
Thursday Night
Mostly cloudy, with a low around 2. Wind chill values between -1 and -6. Calm wind becoming north around 5 mph after midnight.
Friday
Mostly sunny, with a high near 15. North wind 5 to 8 mph.
Friday Night
Partly cloudy, with a low around 0. North wind 6 to 9 mph, with gusts as high as 16 mph.
Saturday
Mostly sunny, with a high near 15. Northwest wind 6 to 10 mph, with gusts as high as 16 mph.
Saturday Night
Partly cloudy, with a low around 0.
Sunday
Mostly sunny, with a high near 23.
Sunday Night
Mostly cloudy, with a low around 10.
Monday
Mostly cloudy, with a high near 29.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
Mostly cloudy, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Altamont IL
 39.06°N 88.76°W (Elev. 636 ft)
Last Update:
5:36 am CST Jan 28, 2026
Forecast Valid:
6am CST Jan 28, 2026-6pm CST Feb 3, 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