National Weather Service Forecast for: Saint Joseph MO
Issued by: National Weather Service Kansas City/Pleasant Hill, MO
Updated: 1:46 am CDT Jun 22, 2026
 
Today

Today: Partly sunny, with a high near 78. East northeast wind 5 to 7 mph.
Partly Sunny

 Tonight

Tonight: Mostly clear, with a low around 60. East northeast wind 5 to 7 mph becoming calm in the evening.
Mostly Clear

 Tuesday

Tuesday: Increasing clouds, with a high near 81. Southeast wind 3 to 8 mph.
Increasing
Clouds

 Tuesday
Night
Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. East southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
Chance
Showers then
Chance
T-storms
 Wednesday

Wednesday: A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 83. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Slight Chance
T-storms

 Wednesday
Night
Wednesday Night: A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63. Chance of precipitation is 20%.
Partly Cloudy
then Slight
Chance
T-storms
 Thursday

Thursday: A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Chance
Showers

 Thursday
Night
Thursday Night: Mostly cloudy, with a low around 63.
Mostly Cloudy

 Friday

Friday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 30%.
Chance
T-storms
Hi 78 °F Lo 60 °F Hi 81 °F Lo 66 °F Hi 83 °F Lo 63 °F Hi 80 °F Lo 63 °F Hi 82 °F

Hazardous Weather Outlook
 

Today
 
 Partly sunny, with a high near 78. East northeast wind 5 to 7 mph.
Tonight
 
 Mostly clear, with a low around 60. East northeast wind 5 to 7 mph becoming calm in the evening.
Tuesday
 
 Increasing clouds, with a high near 81. Southeast wind 3 to 8 mph.
Tuesday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. East southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
 
 A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 83. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
 
 A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63. Chance of precipitation is 20%.
Thursday
 
 A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Thursday Night
 
 Mostly cloudy, with a low around 63.
Friday
 
 A chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 30%.
Friday Night
 
 A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Saturday
 
 Partly sunny, with a high near 89.
Saturday Night
 
 Partly cloudy, with a low around 76.
Sunday
 
 Sunny, with a high near 94. Breezy.

 

Forecast from NOAA-NWS for Saint Joseph MO.