Severe Weather and Heavy Rainfall from the High Plains to the Ohio Valley; Heat Continuing in the Central Plains and Southeast

A stationary front will be the focus for daily showers and thunderstorms capable of widely scattered flash flooding and severe weather from the High Plains to the Ohio Valley. Monsoonal thunderstorms could cause local flash flooding across the Southwest and the Great Basin. Dangerous heat continues across the Central Plains and Southeast. Many areas will see their hottest temperatures of the year. Read More >

Hazardous Weather Conditions

Extreme Heat Warning until August 13, 08:00 PM CDT

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

86°F

30°C

Humidity	63%
Wind Speed	SW 16 G 23 mph
Barometer	29.86 in (1009.4 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	92°F (33°C)
Last update	12 Aug 8:51 am CDT

More Information:

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

Extended Forecast for

Northwoods MO

Extreme Heat Warning August 12, 09:49am until August 13, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning August 12, 09:49am until August 13, 08:00pm
NOW until 8:00pm Thu
Extreme Heat Warning
Today
High: 95 °F
Sunny then
Scattered
T-storms
Tonight
Low: 78 °F
Chance
T-storms
Thursday
High: 96 °F
Slight Chance
T-storms then
Mostly Sunny
Thursday Night
Low: 79 °F
Partly Cloudy
Friday
High: 99 °F
Hot
Friday Night
Low: 79 °F
Mostly Clear
Saturday
High: 100 °F
Hot
Saturday Night
Low: 80 °F
Mostly Clear

Detailed Forecast

Today

Scattered showers and thunderstorms, mainly between 4pm and 5pm. Sunny, with a high near 95. Heat index values as high as 106. Southwest wind 7 to 9 mph. Chance of precipitation is 30%.

Tonight

A 30 percent chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 78. South wind around 6 mph becoming east in the evening.

Thursday

A 20 percent chance of showers and thunderstorms before 9am. Mostly cloudy, then gradually becoming sunny, with a high near 96. Heat index values as high as 104. South wind 5 to 8 mph.

Thursday Night

Partly cloudy, with a low around 79. South wind around 7 mph becoming southwest after midnight.

Friday

Mostly sunny and hot, with a high near 99. Light and variable wind becoming west around 6 mph in the morning.

Friday Night

Mostly clear, with a low around 79.

Saturday

Sunny and hot, with a high near 100.

Saturday Night

Mostly clear, with a low around 80.

Sunday

Sunny and hot, with a high near 98.