Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

88°F

31°C

Humidity	50%
Wind Speed	Vrbl 7 mph
Barometer	30.00 in (1015.5 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Heat Index	91°F (33°C)
Last update	4 Aug 2:53 pm CDT

More Information:

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

Extended Forecast for

2 Miles SSE Fenton MO

Tonight
Low: 69 °F
Mostly Clear
Wednesday
High: 92 °F
Sunny
Wednesday Night
Low: 72 °F
T-storms
Likely
Thursday
High: 86 °F
T-storms then
Chance
T-storms
Thursday Night
Low: 71 °F
Chance
T-storms then
Showers
Likely
Friday
High: 87 °F
Chance
Showers then
Chance
T-storms
Friday Night
Low: 70 °F
Chance
T-storms
Saturday
High: 90 °F
Mostly Sunny
Saturday Night
Low: 73 °F
Mostly Clear

Detailed Forecast

Tonight

Mostly clear, with a low around 69. Southeast wind around 6 mph becoming calm in the evening.

Wednesday

Sunny, with a high near 92. Calm wind becoming south 5 to 8 mph in the morning.

Wednesday Night

Showers and thunderstorms likely, mainly after 5am. Cloudy, then gradually becoming partly cloudy, with a low around 72. Southeast wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 60%.

Thursday

Showers and thunderstorms, mainly before 10am. High near 86. Light and variable wind. Chance of precipitation is 80%.

Thursday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%.

Friday

A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.

Friday Night

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

Saturday

Mostly sunny, with a high near 90.

Saturday Night

Mostly clear, with a low around 73.

Sunday

Mostly sunny, with a high near 93.

Sunday Night

Mostly clear, with a low around 75.