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

39°F

4°C

Humidity 63%
Wind Speed S 9 mph
Barometer 30.07 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 12 Jan 11:55 pm CST
Extended Forecast for

Staunton IL

  • Overnight

    Overnight: Partly cloudy, with a low around 35. South wind 7 to 9 mph.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 57. West wind 9 to 15 mph, with gusts as high as 29 mph.

    High: 57 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly before 9pm. Mostly cloudy, with a low around 34. West wind 8 to 14 mph, with gusts as high as 24 mph.

    Low: 34 °F

    Chance Rain
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a temperature rising to near 39 by 11am, then falling to around 30 during the remainder of the day. Breezy, with a northwest wind 16 to 24 mph, with gusts as high as 33 mph.

    High: 39 °F⇓

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 15. North wind 10 to 18 mph, with gusts as high as 25 mph.

    Low: 15 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 22.

    Low: 22 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 16.

    Low: 16 °F

    Slight Chance
    Snow then
    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 35. South wind 7 to 9 mph.
Tuesday
Increasing clouds, with a high near 57. West wind 9 to 15 mph, with gusts as high as 29 mph.
Tuesday Night
A 30 percent chance of rain, mainly before 9pm. Mostly cloudy, with a low around 34. West wind 8 to 14 mph, with gusts as high as 24 mph.
Wednesday
Mostly cloudy, with a temperature rising to near 39 by 11am, then falling to around 30 during the remainder of the day. Breezy, with a northwest wind 16 to 24 mph, with gusts as high as 33 mph.
Wednesday Night
Partly cloudy, with a low around 15. North wind 10 to 18 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 29.
Thursday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 22.
Friday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 40.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 16.
Saturday
Mostly cloudy, with a high near 26.
Saturday Night
Mostly cloudy, with a low around 7.
Sunday
Mostly sunny, with a high near 23.
Sunday Night
Partly cloudy, with a low around 11.
M.L.King Day
Mostly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Staunton IL
 39.03°N 89.79°W (Elev. 600 ft)
Last Update:
9:41 pm CST Jan 12, 2026
Forecast Valid:
12am CST Jan 13, 2026-6pm CST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation