Active Weather Pattern Expected From the Midwest to the Southern Plains; Dangerous Heat Likely in Southern Texas

A strong storm system will bring numerous to widespread severe thunderstorms across portions of the Midwest and Upper Great Lakes Tuesday. Tornadoes (a few strong), damaging winds and large hail are expected. Record high temperatures will be possible over southern Texas the next several days. This may lead to dangerous heat concerns especially for areas already without power. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

72°F

22°C

Humidity	79%
Wind Speed	S 8 mph
Barometer	29.81 in (1009.2 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Last update	21 May 6:53 am CDT

More Information:

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

Extended Forecast for

Festus MO

Today
High: 93 °F
Sunny
Tonight
Low: 64 °F
T-storms
Wednesday
High: 79 °F
Mostly Sunny
then Chance
T-storms
Wednesday Night
Low: 62 °F
T-storms
Likely
Thursday
High: 82 °F
Chance
T-storms
Thursday Night
Low: 64 °F
Chance
T-storms
Friday
High: 85 °F
Showers
Likely
Friday Night
Low: 65 °F
Chance
T-storms
Saturday
High: 86 °F
Chance
T-storms

Detailed Forecast

Today

Sunny, with a high near 93. South wind 6 to 16 mph, with gusts as high as 30 mph.

Tonight

Showers and thunderstorms, mainly before 3am. Low around 64. South wind 6 to 14 mph becoming west after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 90%.

Wednesday

A 50 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 79. Northwest wind 3 to 6 mph.

Wednesday Night

Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Light and variable wind. Chance of precipitation is 70%.

Thursday

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Light and variable wind.

Thursday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.

Friday

Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Chance of precipitation is 70%.

Friday Night

A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.

Saturday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.

Saturday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.

Sunday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86. Chance of precipitation is 60%.

Sunday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.

Memorial Day

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.