Extreme Heat Continues; Severe Thunderstorms into Upper Midwest; Strong Bering Sea Storm

Wildfires and poor air quality continue for the Pacific Northwest, Rockies and extended into the Plains. Severe thunderstorms possible for the northern Plains and upper Midwest on Monday along a frontal boundary. Another boundary will focus showers and thunderstorms for the eastern seaboard with localized heavy rainfall possible. For Alaska, a strong Bering Sea storm will bring winds and rainfall. Read More >

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Fair

67°F

19°C

Humidity	93%
Wind Speed	W 3 mph
Barometer	29.94 in (1012.8 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Last update	3 Aug 3:51 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

3 Miles S Saint Charles MO

Today
High: 86 °F
Patchy Fog
then Sunny
Tonight
Low: 67 °F
Mostly Clear
Tuesday
High: 90 °F
Sunny
Tuesday Night
Low: 69 °F
Mostly Clear
Wednesday
High: 91 °F
Sunny
Wednesday Night
Low: 72 °F
Partly Cloudy
then Chance
T-storms
Thursday
High: 87 °F
Showers
Likely
Thursday Night
Low: 70 °F
T-storms
Likely
Friday
High: 86 °F
Chance
T-storms

Detailed Forecast

Today

Patchy fog before 8am. Otherwise, sunny, with a high near 86. Calm wind.

Tonight

Mostly clear, with a low around 67. Light east wind.

Tuesday

Sunny, with a high near 90. Light southeast wind.

Tuesday Night

Mostly clear, with a low around 69. South wind 3 to 5 mph.

Wednesday

Sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon.

Wednesday Night

A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72.

Thursday

Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.

Thursday Night

Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

Friday

A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 86.

Friday Night

A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71.

Saturday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.

Saturday Night

Partly cloudy, with a low around 72.

Sunday

Mostly sunny, with a high near 92.