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

Springfield - Abraham Lincoln Capital Airport (KSPI)

Lat: 39.85°NLon: 89.68°WElev: 587ft.

Mostly Cloudy

33°F

1°C

Humidity 35%
Wind Speed S 13 mph
Barometer 30.25 in (1025.4 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 20 Jan 3:52 pm CST
Extended Forecast for

Glenarm IL

  • Tonight

    Tonight: A slight chance of snow between 4am and 5am. Increasing clouds, with a low around 25. South wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    Low: 25 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 40. West wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 40 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 19. West southwest wind 8 to 14 mph becoming northwest after midnight. Winds could gust as high as 22 mph.

    Low: 19 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 32. West northwest wind 6 to 9 mph.

    High: 32 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 3. North northwest wind 5 to 10 mph increasing to 11 to 16 mph after midnight. Winds could gust as high as 23 mph.

    Low: 3 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy and cold, with a high near 8. North wind 13 to 17 mph, with gusts as high as 24 mph.

    High: 8 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -1. North northeast wind 11 to 13 mph, with gusts as high as 20 mph.

    Low: -1 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow after noon. Cloudy, with a high near 13.

    High: 13 °F

    Cloudy then
    Chance Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 5.

    Low: 5 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
A slight chance of snow between 4am and 5am. Increasing clouds, with a low around 25. South wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 40. West wind 11 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 19. West southwest wind 8 to 14 mph becoming northwest after midnight. Winds could gust as high as 22 mph.
Thursday
Partly sunny, with a high near 32. West northwest wind 6 to 9 mph.
Thursday Night
Mostly cloudy, with a low around 3. North northwest wind 5 to 10 mph increasing to 11 to 16 mph after midnight. Winds could gust as high as 23 mph.
Friday
Mostly cloudy and cold, with a high near 8. North wind 13 to 17 mph, with gusts as high as 24 mph.
Friday Night
Mostly cloudy, with a low around -1. North northeast wind 11 to 13 mph, with gusts as high as 20 mph.
Saturday
A 30 percent chance of snow after noon. Cloudy, with a high near 13.
Saturday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 5.
Sunday
Partly sunny, with a high near 19.
Sunday Night
Partly cloudy, with a low around 3.
Monday
Mostly sunny, with a high near 21.
Monday Night
Partly cloudy, with a low around 8.
Tuesday
Mostly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Glenarm IL
 39.62°N 89.64°W (Elev. 600 ft)
Last Update:
3:36 pm CST Jan 20, 2026
Forecast Valid:
4pm CST Jan 20, 2026-6pm CST Jan 27, 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