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.

Overcast

29°F

-2°C

Humidity 66%
Wind Speed E 13 mph
Barometer 30.17 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 18 Mar 2:35 am CDT
Extended Forecast for

6 Miles SW Dieterich IL

  • Overnight

    Overnight: A 30 percent chance of snow, mainly before 4am. Cloudy, with a low around 27. South southeast wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 27 °F

    Chance Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow before 8am. Cloudy through mid morning, then gradual clearing, with a high near 56. South southeast wind 11 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph.

    High: 56 °F

    Slight Chance
    Snow then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39. South wind 3 to 5 mph.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 66. South wind 5 to 7 mph.

    High: 66 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44. East wind around 6 mph becoming light and variable after midnight.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 73. Light and variable wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 15 mph.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 50. Southwest wind around 6 mph becoming northwest after midnight.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of snow, mainly before 4am. Cloudy, with a low around 27. South southeast wind 9 to 11 mph, with gusts as high as 22 mph.
Wednesday
A 20 percent chance of snow before 8am. Cloudy through mid morning, then gradual clearing, with a high near 56. South southeast wind 11 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph.
Wednesday Night
Mostly cloudy, with a low around 39. South wind 3 to 5 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 66. South wind 5 to 7 mph.
Thursday Night
Partly cloudy, with a low around 44. East wind around 6 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 73. Light and variable wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 15 mph.
Friday Night
Mostly cloudy, with a low around 50. Southwest wind around 6 mph becoming northwest after midnight.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Partly sunny, with a high near 50.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Dieterich IL
 39°N 88.45°W (Elev. 568 ft)
Last Update:
2:11 am CDT Mar 18, 2026
Forecast Valid:
2am CDT Mar 18, 2026-6pm CDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation