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

41°F

5°C

Humidity 62%
Wind Speed N 6 mph
Barometer 30.14 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 14 Mar 2:15 am CDT
Extended Forecast for

Shelbyville IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 33. Light north wind.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 54. East southeast wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 54 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46. East southeast wind 10 to 14 mph, with gusts as high as 25 mph.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: Rain likely after 1pm. Mostly cloudy, with a high near 65. Breezy, with a south wind 18 to 23 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 46 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 65 °F

    Breezy.
    Mostly Cloudy
    then Rain
    Likely

  • Sunday Night

    Sunday Night: Rain before 1am, then a chance of snow. Patchy blowing snow after 2am. Low around 21. Blustery, with a south wind 20 to 24 mph becoming west northwest after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 21 °F

    Rain and
    Breezy then
    Rain/Snow and
    Patchy
    Blowing Snow

  • Monday

    Monday: A 40 percent chance of snow before 1pm. Cloudy, with a high near 25. Blustery, with a west northwest wind 22 to 24 mph, with gusts as high as 38 mph.

    High: 25 °F

    Chance Snow
    and Blustery

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 10. West northwest wind 11 to 18 mph, with gusts as high as 29 mph.

    Low: 10 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 22.

    Low: 22 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 33. Light north wind.
Saturday
Partly sunny, with a high near 54. East southeast wind 6 to 13 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 46. East southeast wind 10 to 14 mph, with gusts as high as 25 mph.
Sunday
Rain likely after 1pm. Mostly cloudy, with a high near 65. Breezy, with a south wind 18 to 23 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 46 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain before 1am, then a chance of snow. Patchy blowing snow after 2am. Low around 21. Blustery, with a south wind 20 to 24 mph becoming west northwest after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Monday
A 40 percent chance of snow before 1pm. Cloudy, with a high near 25. Blustery, with a west northwest wind 22 to 24 mph, with gusts as high as 38 mph.
Monday Night
Mostly cloudy, with a low around 10. West northwest wind 11 to 18 mph, with gusts as high as 29 mph.
Tuesday
Mostly sunny, with a high near 28.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 22.
Wednesday
Partly sunny, with a high near 54.
Wednesday Night
Mostly clear, with a low around 34.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Shelbyville IL
 39.42°N 88.79°W (Elev. 650 ft)
Last Update:
2:16 am CDT Mar 14, 2026
Forecast Valid:
2am CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation