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Hazardous Weather Conditions

Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fog/Mist

49°F

9°C

Humidity 90%
Wind Speed NW 16 mph
Barometer 29.97 in (1014.8 mb)
Dewpoint 46°F (8°C)
Visibility 2.00 mi
Wind Chill43°F (6°C)
Last update 7 Mar 12:54 pm CST
Extended Forecast for

2 Miles WNW Byrnes Mill MO

Flood Warning March 7, 01:09pm until March 11, 07:55am
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning March 7, 01:09pm until March 11, 07:55am

    NOW until 7:55am Wed

    Flood Warning

  • This Afternoon

    High: 61 °F

    Cloudy

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 33. Northwest wind around 6 mph becoming calm in the evening.

    Low: 33 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, sunny, with a high near 68. Calm wind becoming southwest around 6 mph.

    High: 68 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 47. Calm wind becoming south around 5 mph.

    Low: 47 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 79. Light south wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 9am, then a slight chance of showers between 9am and noon, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. Chance of precipitation is 50%.

    High: 82 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 51. Chance of precipitation is 90%.

    Low: 51 °F

    Rain

Detailed Forecast

This Afternoon
Cloudy, with a high near 61. West wind 9 to 14 mph, with gusts as high as 23 mph.
Tonight
Patchy fog after 3am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 33. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Patchy fog before 7am. Otherwise, sunny, with a high near 68. Calm wind becoming southwest around 6 mph.
Sunday Night
Clear, with a low around 47. Calm wind becoming south around 5 mph.
Monday
Sunny, with a high near 79. Light south wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 60.
Tuesday
A slight chance of showers and thunderstorms before 9am, then a slight chance of showers between 9am and noon, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. Chance of precipitation is 50%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 51. Chance of precipitation is 90%.
Wednesday
Rain and possibly a thunderstorm before noon, then rain likely. High near 66. Chance of precipitation is 90%.
Wednesday Night
A 20 percent chance of rain before midnight. Mostly clear, with a low around 31.
Thursday
Sunny, with a high near 54.
Thursday Night
Mostly cloudy, with a low around 41.
Friday
Partly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Byrnes Mill MO
 38.45°N 90.61°W (Elev. 548 ft)
Last Update:
12:25 pm CST Mar 7, 2026
Forecast Valid:
1pm CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation