National Weather Service Forecast for: Saint Joseph MO
Issued by: National Weather Service Kansas City/Pleasant Hill, MO
Updated: 2:42 pm CDT Jul 28, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 73. East wind 3 to 5 mph.
Partly Cloudy

 Wednesday

Wednesday: Partly sunny, with a high near 89. Heat index values as high as 96. East southeast wind 5 to 9 mph.
Partly Sunny

 Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. East southeast wind 6 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Partly Cloudy
then Chance
Showers
 Thursday

Thursday: A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 86. Southeast wind 7 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.
Chance
Showers

 Thursday
Night
Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 71. Southeast wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Chance
T-storms then
Showers
 Friday

Friday: A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Chance
Showers
 Friday
Night
Friday Night: Mostly clear, with a low around 66.
Mostly Clear

 Saturday

Saturday: Mostly sunny, with a high near 84.
Mostly Sunny

 Saturday
Night
Saturday Night: Mostly clear, with a low around 65.
Mostly Clear
Lo 73 °F Hi 89 °F Lo 71 °F Hi 86 °F Lo 71 °F Hi 87 °F Lo 66 °F Hi 84 °F Lo 65 °F

Hazardous Weather Outlook
 

Tonight
 
 Partly cloudy, with a low around 73. East wind 3 to 5 mph.
Wednesday
 
 Partly sunny, with a high near 89. Heat index values as high as 96. East southeast wind 5 to 9 mph.
Wednesday Night
 
 A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. East southeast wind 6 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
 
 A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 86. Southeast wind 7 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.
Thursday Night
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 71. Southeast wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
 
 A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
 
 Mostly clear, with a low around 66.
Saturday
 
 Mostly sunny, with a high near 84.
Saturday Night
 
 Mostly clear, with a low around 65.
Sunday
 
 Sunny, with a high near 86.
Sunday Night
 
 Clear, with a low around 65.
Monday
 
 Sunny, with a high near 88.
Monday Night
 
 Mostly clear, with a low around 68.
Tuesday
 
 Sunny, with a high near 90.

 

Forecast from NOAA-NWS for Saint Joseph MO.