National Weather Service Forecast for: Saint Joseph MO
Issued by: National Weather Service Kansas City/Pleasant Hill, MO
Updated: 3:41 am CST Dec 18, 2025
 
Overnight

Overnight: Rain, mainly after 4am. Steady temperature around 50. West southwest wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Rain

 Thursday

Thursday: A chance of rain before 3pm, then a chance of flurries between 3pm and 5pm. Cloudy through mid morning, then gradual clearing, with a temperature rising to near 47 by 11am, then falling to around 30 during the remainder of the day. Breezy, with a west southwest wind 9 to 14 mph becoming northwest 23 to 28 mph in the morning. Winds could gust as high as 45 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Breezy.
Chance Rain
then Chance
Flurries
 Thursday
Night
Thursday Night: Clear, with a low around 20. Blustery, with a northwest wind 19 to 24 mph becoming light west northwest after midnight. Winds could gust as high as 36 mph.
Clear and
Blustery then
Clear
 Friday

Friday: Sunny, with a high near 46. Light and variable wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Sunny

 Friday
Night
Friday Night: Partly cloudy, with a low around 36. South southwest wind 8 to 14 mph, with gusts as high as 24 mph.
Partly Cloudy

 Saturday

Saturday: Mostly sunny, with a high near 48.
Mostly Sunny

 Saturday
Night
Saturday Night: Mostly clear, with a low around 25.
Mostly Clear

 Sunday

Sunday: Mostly sunny, with a high near 46.
Mostly Sunny

 Sunday
Night
Sunday Night: Mostly cloudy, with a low around 34.
Mostly Cloudy
Lo 50 °F Hi 47 °F⇓ Lo 20 °F Hi 46 °F Lo 36 °F Hi 48 °F Lo 25 °F Hi 46 °F Lo 34 °F

Wind Advisory
Hazardous Weather Outlook
Red Flag Warning
 

Overnight
 
 Rain, mainly after 4am. Steady temperature around 50. West southwest wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
 
 A chance of rain before 3pm, then a chance of flurries between 3pm and 5pm. Cloudy through mid morning, then gradual clearing, with a temperature rising to near 47 by 11am, then falling to around 30 during the remainder of the day. Breezy, with a west southwest wind 9 to 14 mph becoming northwest 23 to 28 mph in the morning. Winds could gust as high as 45 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
 
 Clear, with a low around 20. Blustery, with a northwest wind 19 to 24 mph becoming light west northwest after midnight. Winds could gust as high as 36 mph.
Friday
 
 Sunny, with a high near 46. Light and variable wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Friday Night
 
 Partly cloudy, with a low around 36. South southwest wind 8 to 14 mph, with gusts as high as 24 mph.
Saturday
 
 Mostly sunny, with a high near 48.
Saturday Night
 
 Mostly clear, with a low around 25.
Sunday
 
 Mostly sunny, with a high near 46.
Sunday Night
 
 Mostly cloudy, with a low around 34.
Monday
 
 Mostly sunny, with a high near 55.
Monday Night
 
 Partly cloudy, with a low around 40.
Tuesday
 
 Mostly sunny, with a high near 59.
Tuesday Night
 
 Mostly cloudy, with a low around 40.
Wednesday
 
 Mostly cloudy, with a high near 59.

 

Forecast from NOAA-NWS for Saint Joseph MO.