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

44°F

7°C

Humidity 51%
Wind Speed S 7 mph
Barometer 30.19 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 12 Jan 6:15 pm CST
Extended Forecast for

Shelbyville IL

  • Tonight

    Tonight: Mostly cloudy during the early evening, then becoming clear, with a low around 33. South southwest wind 5 to 8 mph, with gusts as high as 18 mph.

    Low: 33 °F

    Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 54. West wind 9 to 15 mph, with gusts as high as 28 mph.

    High: 54 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 36. West wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 36 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a temperature falling to around 27 by 5pm. Breezy, with a north northwest wind 11 to 20 mph, with gusts as high as 32 mph.

    High: 37 °F⇓

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 13. North northwest wind 9 to 14 mph, with gusts as high as 29 mph.

    Low: 13 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 28. Northwest wind 5 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 16 mph.

    High: 28 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 20. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 20 °F

    Mostly Cloudy
    then Chance
    Snow

  • Friday

    Friday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 37.

    High: 37 °F

    Mostly Cloudy
    then Chance
    Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy during the early evening, then becoming clear, with a low around 33. South southwest wind 5 to 8 mph, with gusts as high as 18 mph.
Tuesday
Partly sunny, with a high near 54. West wind 9 to 15 mph, with gusts as high as 28 mph.
Tuesday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 36. West wind 6 to 10 mph, with gusts as high as 21 mph.
Wednesday
Mostly cloudy, with a temperature falling to around 27 by 5pm. Breezy, with a north northwest wind 11 to 20 mph, with gusts as high as 32 mph.
Wednesday Night
Partly cloudy, with a low around 13. North northwest wind 9 to 14 mph, with gusts as high as 29 mph.
Thursday
Sunny, with a high near 28. Northwest wind 5 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 16 mph.
Thursday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 20. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 37.
Friday Night
Mostly cloudy, with a low around 15.
Saturday
Mostly cloudy, with a high near 23.
Saturday Night
Mostly cloudy, with a low around 5.
Sunday
Partly sunny, with a high near 18.
Sunday Night
Partly cloudy, with a low around 8.
M.L.King Day
Mostly sunny, with a high near 27.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Shelbyville IL
 39.42°N 88.79°W (Elev. 650 ft)
Last Update:
5:36 pm CST Jan 12, 2026
Forecast Valid:
6pm CST Jan 12, 2026-6pm CST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation