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

60°F

16°C

Humidity 93%
Wind Speed Calm
Barometer 30.18 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 20 May 9:35 pm CDT
Extended Forecast for

Sigel IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. North northeast wind 7 to 9 mph, with gusts as high as 21 mph.

    Low: 50 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68. East northeast wind around 11 mph, with gusts as high as 18 mph.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 53. East northeast wind around 9 mph, with gusts as high as 17 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Friday

    Friday: Showers. High near 70. East northeast wind around 10 mph, with gusts as high as 17 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 70 °F

    Showers

  • Friday Night

    Friday Night: Showers likely before 1am. Mostly cloudy, with a low around 59. East wind around 8 mph becoming southwest after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Showers
    Likely

  • Saturday

    Saturday: Partly sunny, with a high near 77. Southwest wind 6 to 8 mph.

    High: 77 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 59. Light and variable wind.

    Low: 59 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers. Mostly cloudy, with a high near 77.

    High: 77 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 50. North northeast wind 7 to 9 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 68. East northeast wind around 11 mph, with gusts as high as 18 mph.
Thursday Night
Increasing clouds, with a low around 53. East northeast wind around 9 mph, with gusts as high as 17 mph.
Friday
Showers. High near 70. East northeast wind around 10 mph, with gusts as high as 17 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Showers likely before 1am. Mostly cloudy, with a low around 59. East wind around 8 mph becoming southwest after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Partly sunny, with a high near 77. Southwest wind 6 to 8 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 59. Light and variable wind.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 77.
Sunday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 60.
Memorial Day
A 40 percent chance of showers. Mostly cloudy, with a high near 77.
Monday Night
A chance of showers. Mostly cloudy, with a low around 62.
Tuesday
A chance of showers. Mostly cloudy, with a high near 80.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sigel IL
 39.23°N 88.49°W (Elev. 623 ft)
Last Update:
9:36 pm CDT May 20, 2026
Forecast Valid:
9pm CDT May 20, 2026-6pm CDT May 27, 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