Current conditions at

Effingham, Effingham County Memorial Airport (K1H2)

Lat: 39.07°NLon: 88.53°WElev: 587ft.

Partly Cloudy

68°F

20°C

Humidity 78%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 21 Jun 7:35 am CDT
Extended Forecast for

6 Miles SW Dieterich IL

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

    NOW until 1:00am Mon

    Flood Watch

  • Today

    High: 81 °F

    Mostly Cloudy
    then T-storms

  • Tonight

    Tonight: Showers and thunderstorms before 1am, then a chance of showers.  Low around 64. South southwest wind 9 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 64 °F

    T-storms then
    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers before 8am.  Mostly cloudy, with a high near 75. North northwest wind around 11 mph, with gusts as high as 18 mph.

    High: 75 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy during the early evening, then becoming mostly clear, with a low around 57. North northeast wind 5 to 8 mph.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. North northeast wind around 5 mph becoming calm  in the morning.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81. Light and variable wind.

    High: 81 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Today
Showers and thunderstorms likely before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm. High near 81. East southeast wind 7 to 14 mph becoming south in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms before 1am, then a chance of showers. Low around 64. South southwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Monday
A 20 percent chance of showers before 8am. Mostly cloudy, with a high near 75. North northwest wind around 11 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy during the early evening, then becoming mostly clear, with a low around 57. North northeast wind 5 to 8 mph.
Tuesday
Sunny, with a high near 79. North northeast wind around 5 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 60. Calm wind.
Wednesday
Mostly sunny, with a high near 81. Light and variable wind.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 81.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Dieterich IL
 39°N 88.45°W (Elev. 568 ft)
3:56 am CDT Jun 21, 2026
8am CDT Jun 21, 2026-6pm CDT Jun 27, 2026
 
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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