Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Hazardous Weather Conditions

Heat Advisory until September 19, 08:00 PM CDT

Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

74°F

23°C

Humidity	97%
Wind Speed	Calm
Barometer	30.20 in (1021.9 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Last update	16 Sep 11:54 pm CDT

More Information:

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

Extended Forecast for

Pacific MO

Heat Advisory September 17, 12:17am until September 19, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory September 17, 12:17am until September 19, 08:00pm
NOW until 8:00pm Sat
Heat Advisory
Overnight
Low: 72 °F
Mostly Clear
Thursday
High: 96 °F
Sunny
Thursday Night
Low: 71 °F
Mostly Clear
Friday
High: 95 °F
Sunny then
Slight Chance
T-storms
Friday Night
Low: 71 °F
Mostly Clear
Saturday
High: 95 °F
Mostly Sunny
Saturday Night
Low: 70 °F
Partly Cloudy
then Chance
Showers
Sunday
High: 91 °F
Slight Chance
Showers

Detailed Forecast

Overnight

Mostly clear, with a low around 72. Calm wind.

Thursday

Sunny, with a high near 96. Heat index values as high as 107. Calm wind becoming west around 6 mph in the morning.

Thursday Night

Mostly clear, with a low around 71. Light and variable wind.

Friday

A slight chance of showers and thunderstorms between 1pm and 2pm. Sunny, with a high near 95. Heat index values as high as 106. Light and variable wind. Chance of precipitation is 20%.

Friday Night

Mostly clear, with a low around 71. Calm wind.

Saturday

Mostly sunny, with a high near 95.

Saturday Night

A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.

Sunday

A 20 percent chance of showers. Mostly sunny, with a high near 91.

Sunday Night

A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 20%.

Monday

A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 30%.