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

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Hazardous Weather Conditions

Heat Advisory until September 19, 08:00 PM CDT

Current conditions at

Jefferson City, Jefferson City Memorial Airport (KJEF)

Lat: 38.59°NLon: 92.16°WElev: 548ft.

Fair

73°F

23°C

Humidity	94%
Wind Speed	Calm
Barometer	30.13 in (1018.7 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Last update	18 Sep 3:53 am CDT

More Information:

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

Extended Forecast for

2 Miles S Saint Martins MO

Heat Advisory September 18, 04:18am until September 19, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory September 18, 04:18am until September 19, 08:00pm
NOW until 8:00pm Sat
Heat Advisory
Today
High: 97 °F
Sunny then
Slight Chance
T-storms
Tonight
Low: 74 °F
Partly Cloudy
Saturday
High: 97 °F
Hot
Saturday Night
Low: 72 °F
Mostly Clear
then Slight
Chance
T-storms
Sunday
High: 91 °F
Chance
Showers
Sunday Night
Low: 67 °F
Showers
Monday
High: 78 °F
Showers
Likely
Monday Night
Low: 60 °F
Slight Chance
Showers

Detailed Forecast

Today

A slight chance of showers between 3pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 97. Heat index values as high as 105. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 20%.

Tonight

Partly cloudy, with a low around 74. Southeast wind around 6 mph becoming south after midnight.

Saturday

Partly sunny and hot, with a high near 97. Heat index values as high as 100. Southwest wind 6 to 8 mph.

Saturday Night

A 20 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 72. Calm wind.

Sunday

A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 91. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 40%.

Sunday Night

Showers and possibly a thunderstorm. Low around 67. Chance of precipitation is 80%.

Monday

Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.

Monday Night

A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 60.

Tuesday

Partly sunny, with a high near 72.

Tuesday Night

Mostly cloudy, with a low around 54.

Wednesday

Mostly sunny, with a high near 74.

Wednesday Night

Partly cloudy, with a low around 55.

Thursday

Mostly sunny, with a high near 77.