Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Overcast

66°F

19°C

Humidity 53%
Wind Speed W 8 mph
Barometer 30.18 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 10 Apr 5:15 am CDT
Extended Forecast for

Maryville IL

  • Today

    Today: Showers and thunderstorms likely before 4pm, then a slight chance of showers between 4pm and 5pm.  Cloudy, with a high near 70. Southwest wind 6 to 10 mph becoming north in the afternoon.  Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely

  • Tonight

    Tonight: A chance of showers, with thunderstorms also possible after 4am.  Mostly cloudy, with a low around 52. North wind 5 to 8 mph becoming east after midnight.  Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 72. Southeast wind 8 to 10 mph.

    High: 72 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60. Southeast wind 8 to 10 mph.

    Low: 60 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 79. Breezy, with a south wind 10 to 20 mph, with gusts as high as 31 mph.

    High: 79 °F

    Partly Sunny
    then Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 85.

    High: 85 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am.  Mostly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely before 4pm, then a slight chance of showers between 4pm and 5pm. Cloudy, with a high near 70. Southwest wind 6 to 10 mph becoming north in the afternoon. Chance of precipitation is 60%.
Tonight
A chance of showers, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 52. North wind 5 to 8 mph becoming east after midnight. Chance of precipitation is 30%.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 72. Southeast wind 8 to 10 mph.
Saturday Night
Partly cloudy, with a low around 60. Southeast wind 8 to 10 mph.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79. Breezy, with a south wind 10 to 20 mph, with gusts as high as 31 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Monday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 68.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 86.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Maryville IL
 38.72°N 89.97°W (Elev. 558 ft)
4:46 am CDT Apr 10, 2026
5am CDT Apr 10, 2026-6pm CDT Apr 16, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database