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St. Joseph, Missouri 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Saint Joseph MO
National Weather Service Forecast for: Saint Joseph MO
Issued by: National Weather Service Kansas City/Pleasant Hill, MO
Updated: 12:07 pm CDT May 23, 2026
 
This
Afternoon
This Afternoon: Partly sunny, with a high near 77. Northwest wind around 8 mph.
Partly Sunny

Tonight

Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 54. North wind around 5 mph becoming calm  in the evening.
Gradual
Clearing

Sunday

Sunday: Sunny, with a high near 83. Calm wind becoming south southeast 5 to 9 mph in the afternoon.
Sunny

Sunday
Night
Sunday Night: Mostly clear, with a low around 59. South southeast wind 5 to 7 mph becoming calm  after midnight.
Mostly Clear

Memorial
Day
Memorial Day: Sunny, with a high near 87. Calm wind becoming south southeast 5 to 9 mph in the morning.
Sunny

Monday
Night
Monday Night: Partly cloudy, with a low around 64.
Partly Cloudy

Tuesday

Tuesday: Mostly sunny, with a high near 85.
Mostly Sunny

Tuesday
Night
Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Chance
T-storms

Wednesday

Wednesday: A chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 83. Chance of precipitation is 50%.
Chance
Showers then
Chance
T-storms
Hi 77 °F Lo 54 °F Hi 83 °F Lo 59 °F Hi 87 °F Lo 64 °F Hi 85 °F Lo 65 °F Hi 83 °F

 

This Afternoon
 
Partly sunny, with a high near 77. Northwest wind around 8 mph.
Tonight
 
Mostly cloudy during the early evening, then gradual clearing, with a low around 54. North wind around 5 mph becoming calm in the evening.
Sunday
 
Sunny, with a high near 83. Calm wind becoming south southeast 5 to 9 mph in the afternoon.
Sunday Night
 
Mostly clear, with a low around 59. South southeast wind 5 to 7 mph becoming calm after midnight.
Memorial Day
 
Sunny, with a high near 87. Calm wind becoming south southeast 5 to 9 mph in the morning.
Monday Night
 
Partly cloudy, with a low around 64.
Tuesday
 
Mostly sunny, with a high near 85.
Tuesday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Wednesday
 
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 50%.
Wednesday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Thursday
 
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Thursday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Friday
 
A chance of showers. Mostly cloudy, with a high near 82. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Saint Joseph MO.

Weather Forecast Discussion
312
FXUS63 KEAX 231722
AFDEAX

Area Forecast Discussion
National Weather Service Kansas City/Pleasant Hill MO
1222 PM CDT Sat May 23 2026

...18z Aviation Update...

.KEY MESSAGES...

- Areas of morning fog expected across west central Missouri
  through mid-morning.

- Showers/Storms possible again (40-60%) over central/eastern MO
  on Saturday afternoon...no severe weather expected.

- Unsettle pattern returns to the Tuesday through Thursday with
  periods of showers and storms expected. No severe weather or
  flooding is expected.

&&

.SHORT TERM /THROUGH MONDAY NIGHT/...
Issued at 159 AM CDT Sat May 23 2026

Early this morning, a surface front is extending from northwest
Missouri through eastern Kansas. A few scattered showers and
isolated thunderstorms are persisting along this front in an area of
weak convergence. In addition, fog has developed out ahead of the
front in a moist environment where the skies have cleared and winds
have become light. Expect fog to persist through mid-morning. Showers
will diminish through the morning hours but will again develop along
the front this afternoon across the southern and eastern CWA.
Scattered showers and thunderstorms are expected to develop in an
area of modest instability of 1000J/Kg of MUCAPE however shear will
be weak and convergence along the front will be weak as well. As
such, no severe weather is expected. High temperatures are expected
to return to near seasonable conditions with highs in the mid 70s to
near 80. This evening/tonight a surface ridge of high pressure will
build into the area from the northwest bringing precipitation to an
end. This surface ridge will, remain over the area until late in the
day Sunday when modest WAA will get underway in its wake. This
coupled with mid-level ridging building over the area will allow
highs to rise into the lower 80s. The area will continue to remain
under he influence of the surface ridge, on Monday, which will
extend from the southern Great Lakes back into the local area. this
will continue to keep conditions dry while continued height rises
will drive highs into the mid 80s to close out the holiday
weekend.

&&

.LONG TERM /TUESDAY THROUGH FRIDAY/...
Issued at 159 AM CDT Sat May 23 2026

Tuesday, will begin a unsettled period for the local area. This will
come courtesy of a mid-level low lifting north towards the area from
the southern Plains. This will bring showers and thunderstorms to
the area Tuesday. This mid-level low will reside over the region
through Thursday bringing rounds of showers and thunderstorms to the
forecast area. Heavy precipitation is not expected so the flooding
potential looks to be low at this time. High temperatures will hold
in the low to mid 80s through the middle of the work week. Friday,
the mid-level low will become an open wave that will shift eastward
in response to a upper level trough moving from the Great Basin into
the eastern Rockies. This will push a much stronger cold front into
the area late Friday into Friday night. This system may provider the
next opportunity for severe weather and will need to be monitored as
we move into next week.

&&

.AVIATION /18Z TAFS THROUGH 18Z SUNDAY/...
Issued at 1220 PM CDT Sat May 23 2026

VFR conditions to prevail across the sites. Light NW winds
prevail through the daytime hours, going light and variable to
calm overnight and into Sunday. A FEW/SCT040 or so clouds this
afternoon with BKN/OVC200+ overtop today, eventually clearing
overnight. Some FG possible, but best chances look to be just to
the S/SE of the KC metro area.

&&

.EAX WATCHES/WARNINGS/ADVISORIES...
MO...None.
KS...None.

&&

$$

SHORT TERM...73
LONG TERM...73
AVIATION...Curtis
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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