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

76°F

24°C

Humidity 91%
Wind Speed SE 3 mph
Barometer 30.13 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 23 Jun 2:15 am CDT
Extended Forecast for

3 Miles SE Sigel IL

Heat Advisory June 23, 02:27am until June 26, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 23, 02:27am until June 26, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • Overnight

    Low: 72 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 93. Heat index values as high as 100. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. South southwest wind 3 to 8 mph.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Scattered showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Heat index values as high as 100. Southwest wind 5 to 7 mph. Chance of precipitation is 30%.

    High: 92 °F

    Mostly Sunny
    then
    Scattered
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 74. Light south southwest wind.

    Low: 74 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Calm wind becoming west southwest around 6 mph in the morning.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a low around 72. South southwest wind around 7 mph.
Monday
Sunny, with a high near 93. Heat index values as high as 100. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Mostly clear, with a low around 73. South southwest wind 3 to 8 mph.
Tuesday
Scattered showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Heat index values as high as 100. Southwest wind 5 to 7 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 74. Light south southwest wind.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Calm wind becoming west southwest around 6 mph in the morning.
Wednesday Night
Mostly clear, with a low around 74. Calm wind.
Thursday
Sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 74.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.
Friday Night
Partly cloudy, with a low around 73.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Sigel IL
 39.18°N 88.46°W (Elev. 600 ft)
Last Update:
1:56 am CDT Jun 23, 2025
Forecast Valid:
2am CDT Jun 23, 2025-6pm CDT Jun 29, 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