Severe Weather in Florida and the Great Plains; Heavy Rainfall in Hawaii and the Gulf Coast

Scattered severe thunderstorms will continue over parts of the north-central Florida Peninsula and develop in the southern Great Plains. New daily record high temperatures are expected for portions of South Florida and southern Texas the next couple of days. Flash flooding is expected in Hawaii. On Thursday, rain may cause additional flooding across east Texas and Louisiana. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

64°F

18°C

Humidity	84%
Wind Speed	E 6 mph
Barometer	29.82 in (1009.1 mb)
Dewpoint	59°F (15°C)
Visibility	10.00 mi
Last update	16 May 3:51 am CDT

More Information:

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

Extended Forecast for

Saint Charles MO

Overnight
Low: 61 °F
Slight Chance
Showers
Thursday
High: 75 °F
Showers
Likely
Thursday Night
Low: 62 °F
Chance
T-storms then
Chance
Showers
Friday
High: 76 °F
Showers
Likely
Friday Night
Low: 61 °F
Slight Chance
T-storms
Saturday
High: 82 °F
Slight Chance
T-storms
Saturday Night
Low: 62 °F
Mostly Clear
Sunday
High: 87 °F
Sunny
Sunday Night
Low: 66 °F
Partly Cloudy

Detailed Forecast

Overnight

A 20 percent chance of showers. Mostly cloudy, with a low around 61. Calm wind.

Thursday

A chance of showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and 4pm, then a chance of showers and thunderstorms after 4pm. Cloudy, with a high near 75. South wind 5 to 8 mph. Chance of precipitation is 70%.

Thursday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Southwest wind 3 to 6 mph.

Friday

Showers likely, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 76. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 60%.

Friday Night

A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61. Southeast wind around 5 mph becoming calm in the evening.

Saturday

A slight chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 82. Chance of precipitation is 20%.

Saturday Night

Mostly clear, with a low around 62.

Sunday

Sunny, with a high near 87.

Sunday Night

Partly cloudy, with a low around 66.

Monday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.

Monday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.

Tuesday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.

Tuesday Night

Showers and thunderstorms likely. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

Wednesday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.