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.

Rain

73°F

23°C

Humidity 99%
Wind Speed NE 5 G 10 mph
Barometer 29.97 in
Dewpoint 73°F (23°C)
Visibility 5.00 mi
Last update 27 Jul 5:35 am CDT
Extended Forecast for

Dieterich IL

Extreme Heat Warning July 27, 06:00am until July 27, 09:00pm
Flash Flood Warning July 27, 06:00am until July 27, 06:30am
Click here for hazard details and duration
Extreme Heat Warning
...
  •  
    Extreme Heat Warning July 27, 06:00am until July 27, 09:00pm
    Flash Flood Warning July 27, 06:00am until July 27, 06:30am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 94 °F

    Chance
    T-storms and
    Patchy Fog

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 76. South southwest wind 6 to 8 mph becoming west northwest after midnight.

    Low: 76 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88. North wind 7 to 10 mph, with gusts as high as 17 mph.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. North northeast wind 5 to 9 mph, with gusts as high as 15 mph.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. North wind 6 to 9 mph, with gusts as high as 15 mph.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 63. North wind around 6 mph becoming calm in the evening.

    Low: 63 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 85. Light east wind.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 94. Heat index values as high as 114. Calm wind becoming south southwest 5 to 9 mph in the morning. Winds could gust as high as 15 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 76. South southwest wind 6 to 8 mph becoming west northwest after midnight.
Tuesday
Mostly sunny, with a high near 88. North wind 7 to 10 mph, with gusts as high as 17 mph.
Tuesday Night
Mostly clear, with a low around 64. North northeast wind 5 to 9 mph, with gusts as high as 15 mph.
Wednesday
Sunny, with a high near 85. North wind 6 to 9 mph, with gusts as high as 15 mph.
Wednesday Night
Clear, with a low around 63. North wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 85. Light east wind.
Thursday Night
Partly cloudy, with a low around 66.
Friday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 82.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 67.
Saturday
A chance of showers. Mostly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dieterich IL
 39.07°N 88.39°W (Elev. 600 ft)
Last Update:
5:52 am CDT Jul 27, 2026
Forecast Valid:
6am CDT Jul 27, 2026-6pm CDT Aug 2, 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