Current conditions at
St. Louis, Spirit Of St. Louis Airport (KSUS)
Lat: 38.66°NLon: 90.66°WElev: 463ft.
Overcast
72°F
22°C
| Humidity | 68% |
| Wind Speed | S 9 mph |
| Barometer | 29.95 in (1013.2 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 13 Apr 12:54 am CDT |
Extended Forecast for
Byrnes Mill MO
Overnight
Low: 67 °F
Mostly Cloudy
Monday
High: 85 °F
Mostly Sunny
Monday Night
Low: 68 °F
Partly Cloudy
Tuesday
High: 88 °F
Mostly Sunny
then Chance
ShowersTuesday Night
Low: 69 °F
Chance
T-stormsWednesday
High: 83 °F
Showers
LikelyWednesday Night
Low: 62 °F
Showers
LikelyThursday
High: 84 °F
Chance
ShowersThursday Night
Low: 62 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly cloudy, with a low around 67. Southwest wind around 8 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 85. Southwest wind 7 to 13 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 68. Southwest wind 9 to 11 mph, with gusts as high as 28 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Southwest wind 9 to 14 mph, with gusts as high as 26 mph.
Tuesday Night
A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 69. South wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Thursday
A chance of showers, with thunderstorms also possible after 7am. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 62.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 42.
Sunday
Sunny, with a high near 66.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Byrnes Mill MO
38.43°N 90.58°W (Elev. 495 ft)
38.43°N 90.58°W (Elev. 495 ft)
1:26 am CDT Apr 13, 2026
1am CDT Apr 13, 2026-6pm CDT Apr 19, 2026
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