Hazardous Weather Conditions
Current conditions at
Effingham, Effingham County Memorial Airport (K1H2)
Lat: 39.07°NLon: 88.53°WElev: 587ft.
Fair
72°F
22°C
| Humidity | 94% |
| Wind Speed | Calm |
| Barometer | 30.01 in |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Last update | 4 Sep 6:55 am CDT |
Extended Forecast for
Shelbyville IL
Extreme Heat Warning September 4, 07:09am until September 5, 07:00pm
NOW until 7:00pm Sat

Extreme Heat Warning
Today

High: 99 °F
Hot
Tonight

Low: 73 °F
Mostly Clear
Saturday
High: 97 °F
Sunny then
Slight Chance
T-stormsSaturday Night

Low: 68 °F
Mostly Clear
Sunday

High: 87 °F
Sunny
Sunday Night

Low: 62 °F
Mostly Clear
Labor Day

High: 88 °F
Sunny
Monday Night

Low: 64 °F
Mostly Clear
Detailed Forecast
Today
Sunny and hot, with a high near 99. Heat index values as high as 104. Light and variable wind becoming west southwest 5 to 8 mph in the morning.
Tonight
Mostly clear, with a low around 73. Light south southwest wind.
Saturday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 97. Heat index values as high as 102. Calm wind becoming north northwest 5 to 8 mph in the morning. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 68. Northeast wind around 6 mph.
Sunday
Sunny, with a high near 87. Northeast wind 6 to 9 mph.
Sunday Night
Mostly clear, with a low around 62. East northeast wind 5 to 9 mph, with gusts as high as 15 mph.
Labor Day
Sunny, with a high near 88. East wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Sunny and hot, with a high near 98.
Wednesday Night
Partly cloudy, with a low around 72.
Thursday
Sunny, with a high near 92.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Shelbyville IL
39.42°N 88.79°W (Elev. 650 ft)
39.42°N 88.79°W (Elev. 650 ft)
6:36 am CDT Sep 4, 2026
7am CDT Sep 4, 2026-6pm CDT Sep 10, 2026



