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Hazardous Weather Conditions

Current conditions at

Effingham, Effingham County Memorial Airport (K1H2)

Lat: 39.07°NLon: 88.53°WElev: 587ft.

Overcast

79°F

26°C

Humidity 93%
Wind Speed S 3 mph
Barometer 29.96 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 27 Jun 11:15 am CDT
Extended Forecast for

Shumway IL

Heat Advisory June 28, 01:00pm until June 28, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A 20 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 82. South southwest wind 3 to 5 mph.

    High: 82 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly after midnight. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 40%.

    Low: 69 °F

    Scattered
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: Isolated showers and thunderstorms before 8am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 89. Heat index values as high as 100. Light south southeast wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 20%.

    High: 89 °F

    Isolated
    T-storms and
    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. South southeast wind 6 to 8 mph.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 92. South wind 6 to 10 mph, with gusts as high as 16 mph.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. South wind 5 to 9 mph, with gusts as high as 15 mph.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. South southwest wind 5 to 8 mph.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 73.

    Low: 73 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 82. South southwest wind 3 to 5 mph.
Tonight
Scattered showers and thunderstorms, mainly after midnight. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 40%.
Sunday
Isolated showers and thunderstorms before 8am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 89. Heat index values as high as 100. Light south southeast wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 72. South southeast wind 6 to 8 mph.
Monday
Sunny, with a high near 92. South wind 6 to 10 mph, with gusts as high as 16 mph.
Monday Night
Mostly clear, with a low around 73. South wind 5 to 9 mph, with gusts as high as 15 mph.
Tuesday
Sunny, with a high near 93. South southwest wind 5 to 8 mph.
Tuesday Night
Clear, with a low around 73.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 73.
Friday
A chance of showers and thunderstorms. Sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Shumway IL
 39.19°N 88.66°W (Elev. 650 ft)
Last Update:
11:16 am CDT Jun 27, 2026
Forecast Valid:
11am CDT Jun 27, 2026-6pm CDT Jul 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