Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Farmington Airport (KFAM)

Lat: 37.77°NLon: 90.43°WElev: 945ft.

A Few Clouds

97°F

36°C

Humidity	39%
Wind Speed	S 5 mph
Barometer	30.10 in (1019.0 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	102°F (39°C)
Last update	18 Sep 2:56 pm CDT

More Information:

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

Extended Forecast for

De Soto MO

Heat Advisory September 18, 03:06pm until September 19, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory September 18, 03:06pm until September 19, 08:00pm
NOW until 8:00pm Sat
Heat Advisory
This Afternoon
High: 99 °F
Chance
T-storms
Tonight
Low: 70 °F
Slight Chance
T-storms then
Mostly Clear
Saturday
High: 99 °F
Hot
Saturday Night
Low: 72 °F
Decreasing
Clouds
Sunday
High: 96 °F
Mostly Sunny
Sunday Night
Low: 66 °F
Slight Chance
T-storms then
Chance
T-storms
Monday
High: 83 °F
Showers
Likely
Monday Night
Low: 59 °F
Slight Chance
T-storms

Detailed Forecast

This Afternoon

A 30 percent chance of showers and thunderstorms, mainly after 5pm. Sunny and hot, with a high near 99. Heat index values as high as 109. Calm wind.

Tonight

A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 70. Light and variable wind.

Saturday

Mostly sunny and hot, with a high near 99. Heat index values as high as 104. Southwest wind 3 to 6 mph.

Saturday Night

Mostly cloudy, then gradually becoming mostly clear, with a low around 72. Southwest wind 3 to 5 mph.

Sunday

Mostly sunny, with a high near 96. Light and variable wind becoming west around 5 mph in the morning.

Sunday Night

A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 66.

Monday

A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.

Monday Night

A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 20%.

Tuesday

Mostly cloudy, with a high near 74.

Tuesday Night

Mostly cloudy, with a low around 53.

Wednesday

Partly sunny, with a high near 76.

Wednesday Night

Partly cloudy, with a low around 53.

Thursday

Mostly sunny, with a high near 78.