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

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair and Breezy

37°F

3°C

Humidity 65%
Wind Speed NW 24 G 35 mph
Barometer 29.85 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 14 Jan 8:45 am CST
Extended Forecast for

Maryville IL

  • Today

    Today: Scattered sprinkles and flurries before 11am, then scattered flurries between 11am and noon. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 29 by 5pm. Breezy, with a northwest wind 18 to 22 mph, with gusts as high as 37 mph.

    High: 39 °F⇓

    Breezy.
    Scattered
    Sprinkles/Flurries
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 18. Northwest wind 9 to 16 mph, with gusts as high as 28 mph.

    Low: 18 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 33. Northwest wind 6 to 8 mph becoming south in the afternoon.

    High: 33 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a temperature rising to around 32 by 1am. South wind 6 to 13 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 27 °F⇑

    Chance Snow

  • Friday

    Friday: Partly sunny, with a high near 44. Breezy, with a west wind 13 to 20 mph, with gusts as high as 29 mph.

    High: 44 °F

    Mostly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 20.

    Low: 20 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 9.

    Low: 9 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

Detailed Forecast

Today
Scattered sprinkles and flurries before 11am, then scattered flurries between 11am and noon. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 29 by 5pm. Breezy, with a northwest wind 18 to 22 mph, with gusts as high as 37 mph.
Tonight
Mostly clear, with a low around 18. Northwest wind 9 to 16 mph, with gusts as high as 28 mph.
Thursday
Sunny, with a high near 33. Northwest wind 6 to 8 mph becoming south in the afternoon.
Thursday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a temperature rising to around 32 by 1am. South wind 6 to 13 mph becoming west after midnight. Winds could gust as high as 20 mph.
Friday
Partly sunny, with a high near 44. Breezy, with a west wind 13 to 20 mph, with gusts as high as 29 mph.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 20.
Saturday
Partly sunny, with a high near 27.
Saturday Night
Partly cloudy, with a low around 9.
Sunday
Mostly sunny, with a high near 26.
Sunday Night
Partly cloudy, with a low around 16.
M.L.King Day
Mostly sunny, with a high near 30.
Monday Night
Mostly clear, with a low around 13.
Tuesday
Mostly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Maryville IL
 38.72°N 89.97°W (Elev. 558 ft)
Last Update:
8:26 am CST Jan 14, 2026
Forecast Valid:
9am CST Jan 14, 2026-6pm CST Jan 20, 2026
 
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Additional Resources

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Chance of Precipitation