National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Effingham, Effingham County Memorial Airport (K1H2)

Lat: 39.07°NLon: 88.53°WElev: 587ft.

Fair

65°F

18°C

Humidity 100%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 18 Aug 1:15 am CDT
Extended Forecast for

4 Miles NE Dieterich IL

  • Overnight

    Overnight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, sunny, with a high near 82. Light west southwest wind.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: A 10 percent chance of showers after 5am. Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 80. Southwest wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 50%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Light northeast wind. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 81. Calm wind becoming northeast around 5 mph in the morning.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. North northeast wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 61. Calm wind.
Tuesday
Patchy fog before 8am. Otherwise, sunny, with a high near 82. Light west southwest wind.
Tuesday Night
A 10 percent chance of showers after 5am. Partly cloudy, with a low around 66. Calm wind.
Wednesday
A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 80. Southwest wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Light northeast wind. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 81. Calm wind becoming northeast around 5 mph in the morning.
Thursday Night
Mostly clear, with a low around 62. North northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Dieterich IL
 39.11°N 88.33°W (Elev. 594 ft)
Last Update:
1:26 am CDT Aug 18, 2026
Forecast Valid:
1am CDT Aug 18, 2026-6pm CDT Aug 24, 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