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

78°F

26°C

Humidity 55%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 20 Jun 7:15 pm CDT
Extended Forecast for

2 Miles SW Sigel IL

Flood Watch June 21, 07:00am until June 22, 01:00am
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: Increasing clouds, with a low around 62. North northwest wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after noon. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 81. East wind 5 to 13 mph becoming south in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 4am, then a chance of showers. Some of the storms could produce heavy rainfall. Low around 64. South wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 64 °F

    Heavy Rain
    then Chance
    T-storms

  • Monday

    Monday: Mostly cloudy, with a high near 74. North wind 9 to 11 mph, with gusts as high as 18 mph.

    High: 74 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57. North wind 5 to 9 mph, with gusts as high as 15 mph.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 77. North northeast wind around 5 mph becoming calm in the afternoon.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 62. North northwest wind around 5 mph becoming calm in the evening.
Sunday
Showers and thunderstorms likely, mainly after noon. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 81. East wind 5 to 13 mph becoming south in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and thunderstorms before 4am, then a chance of showers. Some of the storms could produce heavy rainfall. Low around 64. South wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Mostly cloudy, with a high near 74. North wind 9 to 11 mph, with gusts as high as 18 mph.
Monday Night
Partly cloudy, with a low around 57. North wind 5 to 9 mph, with gusts as high as 15 mph.
Tuesday
Sunny, with a high near 77. North northeast wind around 5 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 59. Calm wind.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 80.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Sigel IL
 39.21°N 88.52°W (Elev. 600 ft)
Last Update:
6:11 pm CDT Jun 20, 2026
Forecast Valid:
7pm CDT Jun 20, 2026-6pm CDT Jun 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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