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

Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

57°F

14°C

Humidity 51%
Wind Speed SE 13 mph
Barometer 29.81 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 14 Mar 8:50 pm CDT
Extended Forecast for

5 Miles N Aviston IL

Wind Advisory March 15, 10:00am until March 16, 12:00pm
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: Partly cloudy, with a low around 54. South wind 10 to 17 mph, with gusts as high as 28 mph.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 3pm. High near 65. Windy, with a south wind 22 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 80%.

    High: 65 °F

    Windy. Slight
    Chance
    T-storms then
    Rain

  • Sunday Night

    Sunday Night: Rain before 11pm, then a chance of snow. Low around 22. Windy, with a west wind 28 to 31 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Windy.
    Rain/Snow
    then Chance
    Snow

  • Monday

    Monday: A 20 percent chance of snow before 1pm. Mostly cloudy, with a high near 28. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 41 mph.

    High: 28 °F

    Slight Chance
    Snow and
    Windy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 13. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 28 mph.

    Low: 13 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 36.

    High: 36 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 54. South wind 10 to 17 mph, with gusts as high as 28 mph.
Sunday
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 3pm. High near 65. Windy, with a south wind 22 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 80%.
Sunday Night
Rain before 11pm, then a chance of snow. Low around 22. Windy, with a west wind 28 to 31 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
A 20 percent chance of snow before 1pm. Mostly cloudy, with a high near 28. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 41 mph.
Monday Night
Partly cloudy, with a low around 13. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 28 mph.
Tuesday
Sunny, with a high near 36.
Tuesday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 30.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Aviston IL
 38.67°N 89.6°W (Elev. 476 ft)
Last Update:
8:31 pm CDT Mar 14, 2026
Forecast Valid:
9pm CDT Mar 14, 2026-6pm CDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation