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

61°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 19 Jun 1:55 am CDT
Extended Forecast for

4 Miles WNW Altamont IL

  • Overnight

    Overnight: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 80. Calm wind becoming northwest around 6 mph in the morning.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 61. Light and variable wind.

    Low: 61 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 83. Calm wind becoming west around 5 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63. Light and variable wind.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 10am. High near 80. Chance of precipitation is 90%.

    High: 80 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 90%.

    Low: 64 °F

    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 76.

    High: 76 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 60. Calm wind.
Juneteenth
Sunny, with a high near 80. Calm wind becoming northwest around 6 mph in the morning.
Friday Night
Mostly cloudy, with a low around 61. Light and variable wind.
Saturday
Mostly sunny, with a high near 83. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 63. Light and variable wind.
Sunday
Showers likely, then showers and possibly a thunderstorm after 10am. High near 80. Chance of precipitation is 90%.
Sunday Night
Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 90%.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Altamont IL
 39.08°N 88.81°W (Elev. 633 ft)
Last Update:
1:26 am CDT Jun 19, 2026
Forecast Valid:
2am CDT Jun 19, 2026-6pm CDT Jun 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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