National Weather Service Forecast for: Saint Joseph MO
Issued by: National Weather Service Kansas City/Pleasant Hill, MO
Updated: 8:23 am CST Dec 18, 2025
 
Today

Today: A chance of flurries between 3pm and 5pm. Mostly sunny, with a temperature falling to around 30 by 5pm. Breezy, with a west northwest wind 20 to 28 mph, with gusts as high as 45 mph.
Chance
Flurries and
Breezy
 Tonight

Tonight: 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. South southwest wind 7 to 11 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
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

 Monday

Monday: Mostly sunny, with a high near 55.
Mostly Sunny
Hi 47 °F⇓ Lo 20 °F Hi 46 °F Lo 36 °F Hi 48 °F Lo 25 °F Hi 46 °F Lo 34 °F Hi 55 °F

Wind Advisory
Hazardous Weather Outlook
Red Flag Warning
 

Today
 
 A chance of flurries between 3pm and 5pm. Mostly sunny, with a temperature falling to around 30 by 5pm. Breezy, with a west northwest wind 20 to 28 mph, with gusts as high as 45 mph.
Tonight
 
 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. South southwest wind 7 to 11 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
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.