National Weather Service Forecast for: Saint Joseph MO
Issued by: National Weather Service Kansas City/Pleasant Hill, MO
Updated: 11:17 pm CST Feb 1, 2026
 
Overnight

Overnight: Partly cloudy, with a low around 21. Light and variable wind.
Partly Cloudy

 Monday

Monday: Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 43. Calm wind becoming east southeast around 5 mph in the afternoon.
Patchy Fog
then Mostly
Cloudy
 Monday
Night
Monday Night: Mostly cloudy, with a low around 22. Light and variable wind.
Mostly Cloudy

 Tuesday

Tuesday: Partly sunny, with a high near 36. North northeast wind 3 to 6 mph.
Partly Sunny

 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 21. Light north wind.
Mostly Cloudy

 Wednesday

Wednesday: Partly sunny, with a high near 38.
Partly Sunny

 Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 23.
Mostly Cloudy

 Thursday

Thursday: Mostly sunny, with a high near 52.
Mostly Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 32.
Mostly Clear
Lo 21 °F Hi 43 °F Lo 22 °F Hi 36 °F Lo 21 °F Hi 38 °F Lo 23 °F Hi 52 °F Lo 32 °F

 

Overnight
 
 Partly cloudy, with a low around 21. Light and variable wind.
Monday
 
 Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 43. Calm wind becoming east southeast around 5 mph in the afternoon.
Monday Night
 
 Mostly cloudy, with a low around 22. Light and variable wind.
Tuesday
 
 Partly sunny, with a high near 36. North northeast wind 3 to 6 mph.
Tuesday Night
 
 Mostly cloudy, with a low around 21. Light north wind.
Wednesday
 
 Partly sunny, with a high near 38.
Wednesday Night
 
 Mostly cloudy, with a low around 23.
Thursday
 
 Mostly sunny, with a high near 52.
Thursday Night
 
 Mostly clear, with a low around 32.
Friday
 
 Sunny, with a high near 49.
Friday Night
 
 Mostly clear, with a low around 21.
Saturday
 
 Sunny, with a high near 45.
Saturday Night
 
 Partly cloudy, with a low around 25.
Sunday
 
 Mostly sunny, with a high near 49.

 

Forecast from NOAA-NWS for Saint Joseph MO.