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.

Overcast

37°F

3°C

Humidity 65%
Wind Speed SW 8 mph
Barometer 30.11 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 10 Jan 8:35 pm CST
Extended Forecast for

Dieterich IL

  • Tonight

    Tonight: A chance of rain and snow before 10pm, then a slight chance of snow between 10pm and 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 26. Blustery, with a west northwest wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 50%.

    Low: 26 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy and
    Blustery

  • Sunday

    Sunday: Sunny, with a high near 35. Breezy, with a northwest wind 16 to 21 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 35 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24. Light and variable wind becoming southwest 5 to 8 mph after midnight. Winds could gust as high as 16 mph.

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 45. West southwest wind 7 to 13 mph, with gusts as high as 18 mph.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 54. South southwest wind 11 to 17 mph, with gusts as high as 25 mph.

    High: 54 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. West southwest wind 8 to 10 mph, with gusts as high as 17 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of rain and snow before 10pm, then a slight chance of snow between 10pm and 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 26. Blustery, with a west northwest wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 50%.
Sunday
Sunny, with a high near 35. Breezy, with a northwest wind 16 to 21 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 32 mph.
Sunday Night
Mostly clear, with a low around 24. Light and variable wind becoming southwest 5 to 8 mph after midnight. Winds could gust as high as 16 mph.
Monday
Mostly sunny, with a high near 45. West southwest wind 7 to 13 mph, with gusts as high as 18 mph.
Monday Night
Partly cloudy, with a low around 33. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Tuesday
Partly sunny, with a high near 54. South southwest wind 11 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 36. West southwest wind 8 to 10 mph, with gusts as high as 17 mph.
Wednesday
Mostly cloudy, with a high near 41.
Wednesday Night
Partly cloudy, with a low around 18.
Thursday
Mostly sunny, with a high near 33.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 39.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dieterich IL
 39.07°N 88.36°W (Elev. 597 ft)
Last Update:
6:42 pm CST Jan 10, 2026
Forecast Valid:
8pm CST Jan 10, 2026-6pm CST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation