Heavy to Excessive Rains in The Four Corners Region and Midwest; Heat Persists in the South-Central U.S.

Repeated rounds of showers and thunderstorms could bring a flash flooding threat across the Four Corners region and from the mid-Mississippi Valley into the lower Great Lakes. Hot temperatures and high humidity will continue to challenge daily records from the Southern Plains to the lower Mississippi Valley. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

St. Joseph, Rosecrans Memorial Airport (KSTJ)

Lat: 39.77°NLon: 94.91°WElev: 823ft.

Mostly Cloudy

87°F

31°C

Humidity	65%
Wind Speed	SE 9 mph
Barometer	30.15 in (1020.1 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	95°F (35°C)
Last update	16 Sep 4:53 pm CDT

More Information:

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

Extended Forecast for

Union Star MO

Tonight
Low: 68 °F
Partly Cloudy
then Slight
Chance
T-storms and
Patchy Fog
Thursday
High: 84 °F
Chance
Showers and
Patchy Fog
then Mostly
Sunny
Thursday Night
Low: 69 °F
Mostly Cloudy
Friday
High: 86 °F
Becoming
Sunny
Friday Night
Low: 70 °F
Mostly Clear
then Chance
T-storms
Saturday
High: 84 °F
Chance
T-storms then
Chance
Showers
Saturday Night
Low: 66 °F
Showers
Likely
Sunday
High: 73 °F
Showers
Likely
Sunday Night
Low: 63 °F
Showers
Likely

Detailed Forecast

Tonight

A slight chance of showers and thunderstorms after 4am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 68. East wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 20%.

Thursday

A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and noon. Patchy fog before 10am. Otherwise, partly sunny, with a high near 84. Heat index values as high as 95. Light and variable wind becoming east northeast around 6 mph in the morning. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Mostly cloudy, with a low around 69. East northeast wind 5 to 7 mph becoming southeast after midnight.

Friday

Mostly cloudy through mid morning, then gradual clearing, with a high near 86. Heat index values as high as 97. South wind 7 to 13 mph, with gusts as high as 18 mph.

Friday Night

A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. South wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 84. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.

Sunday

Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.

Sunday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

Monday

A chance of showers before 1pm. Mostly cloudy, with a high near 71. Chance of precipitation is 30%.

Monday Night

Mostly cloudy, with a low around 59.

Tuesday

Partly sunny, with a high near 71.

Tuesday Night

Partly cloudy, with a low around 58.

Wednesday

Partly sunny, with a high near 73.