SAINT JOSEPH, MO 64502 Weather Forecast & Current Conditions

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ST. JOSEPH, MO
Current Weather

5:53 AM CDT MAY 18, 2026
Thunder Heavy Rain
Mist
NA
Feels Like: NA
Dewpoint: NA
Rel. Hum.: NA%
Visibility: 2 1/2 miles
Wind: Variable at 5 mph
Pressure:
Last 72 hours

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SAINT JOSEPH, MO 64502
Weather Forecast

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TODAY
Showers early. A chance of thunderstorms. Showers likely. Some thunderstorms may produce heavy rainfall early this morning. Some thunderstorms may produce heavy rainfall this afternoon. Locally heavy rainfall possible early. Highs in the mid 80s. South winds 15 to 20 mph with gusts up to 40 mph. Chance of rain 90 percent.
TONIGHT
A chance of thunderstorms. Showers. Some thunderstorms may produce heavy rainfall. Locally heavy rainfall possible in the evening. Breezy with lows in the mid 50s. South winds 20 to 25 mph with gusts up to 40 mph, becoming west 15 to 20 mph with gusts up to 30 mph after midnight. Chance of rain near 100 percent.
TUESDAY
Cloudy in the morning, then becoming partly sunny. Not as warm. Less humid with highs in the mid 60s. Northwest winds 15 to 20 mph with gusts up to 30 mph.
TUESDAY NIGHT
Partly cloudy. Lows in the mid 40s. North winds 10 to 15 mph.
WEDNESDAY
Mostly sunny. Highs in the mid 60s. Northeast winds 5 to 10 mph.
WEDNESDAY NIGHT
Mostly cloudy. Lows in the upper 40s.
THURSDAY
Mostly cloudy with a chance of showers. Highs in the upper 60s. Chance of rain 50 percent.
THURSDAY NIGHT AND FRIDAY
Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 50s. Highs in the mid 70s. Chance of rain 50 percent.
FRIDAY NIGHT AND SATURDAY
Mostly cloudy. Lows in the mid 50s. Highs in the lower 80s.
SATURDAY NIGHT
A chance of showers in the evening. Partly cloudy. Lows around 60. Chance of rain 30 percent.
SUNDAY
Mostly sunny. Highs in the mid 80s.

Visible Weather Satellite
SAINT JOSEPH, MO 64502
Infrared Weather Satellite
SAINT JOSEPH, MO 64502
NEXRAD Weather Radar
SAINT JOSEPH, MO 64502

ST. JOSEPH, MO 3 hourly weather forecast

weather forecast created  7:00 PM CDT  5/17/2026
Monday
18 MAY 2026
SAINT JOSEPH, MO 64502 weather forecast Day 1, 0 hours 1 AM 75° 75° Mostly Cloudy 82%
RAIN
***
0% Thunder
( 59% severe)
S   18 74% 66°
Low 69° SAINT JOSEPH, MO 64502 weather forecast Day 1, 3 hours 4 AM 72° 72° Mostly Cloudy SSE   14 81% 66°
High 88° SAINT JOSEPH, MO 64502 weather forecast Day 1, 6 hours 7 AM 70° 70° Mostly Cloudy 34%
RAIN
.5–1 in
0% Thunder
( 32% severe)
SSE   13 87% 66°

Mostly Cloudy

Chance of Rain


Breezy
SAINT JOSEPH, MO 64502 weather forecast Day 1, 9 hours 10 AM 75° 75° Mostly Cloudy S   18 76% 67°
SAINT JOSEPH, MO 64502 weather forecast Day 1, 12 hours 1 PM 83° 86° Mostly Cloudy 19%
RAIN
1–2 in
0% Thunder
( 47% severe)
S   22 61% 68°
SAINT JOSEPH, MO 64502 weather forecast Day 1, 15 hours 4 PM 85° 88° Mostly Cloudy S   22 57% 68°
SAINT JOSEPH, MO 64502 weather forecast Day 1, 18 hours 7 PM 81° 83° Mostly Cloudy 86%
RAIN
***
0% Thunder
( 75% severe)
S   22 56% 64°
SAINT JOSEPH, MO 64502 weather forecast Day 1, 21 hours 10 PM 75° 75° Mostly Cloudy SSW   21 69% 64°
Tuesday
19 MAY 2026
SAINT JOSEPH, MO 64502 weather forecast Day 2, 0 hours 1 AM 69° 69° Mostly Cloudy 71%
RAIN
***
0% Thunder
( 39% severe)
WSW   16 81% 63°
Low 54° SAINT JOSEPH, MO 64502 weather forecast Day 2, 3 hours 4 AM 62° 60° Mostly Cloudy WNW   15 90% 59°
High 67° SAINT JOSEPH, MO 64502 weather forecast Day 2, 6 hours 7 AM 55° 51° Overcast 1%

0% Thunder
( 3% severe)
NNW   15 90% 52°

Mostly Cloudy



SAINT JOSEPH, MO 64502 weather forecast Day 2, 9 hours 10 AM 57° 53° Mostly Cloudy NNW   16 75% 49°
SAINT JOSEPH, MO 64502 weather forecast Day 2, 12 hours 1 PM 63° 61° Mostly Cloudy 0%

0% Thunder
( 2% severe)
NNW   16 58% 48°
SAINT JOSEPH, MO 64502 weather forecast Day 2, 15 hours 4 PM 65° 65° Mostly Cloudy N   15 54% 48°
SAINT JOSEPH, MO 64502 weather forecast Day 2, 18 hours 7 PM 63° 62° Partly Cloudy 1%

0% Thunder
( 2% severe)
N   13 52% 45°
SAINT JOSEPH, MO 64502 weather forecast Day 2, 21 hours 10 PM 56° 54° Partly Cloudy N   8 69% 46°

ST. JOSEPH, MO extended weather forecast

Wednesday
20 MAY 2026
Thursday
21 MAY 2026
Friday
22 MAY 2026
Saturday
23 MAY 2026
Sunday
24 MAY 2026
Low 48° Low 49° Low 55° Low 56° Low 58°
High 69° High 64° High 70° High 77° High 80°
SAINT JOSEPH, MO 64502 weather forecast Day 3 SAINT JOSEPH, MO 64502 weather forecast Day 4 SAINT JOSEPH, MO 64502 weather forecast Day 5 SAINT JOSEPH, MO 64502 weather forecast Day 6 SAINT JOSEPH, MO 64502 weather forecast Day 7
Partly Cloudy
13% Rain
Overcast
41% Rain
Overcast
64% Rain
Overcast
47% Rain
Overcast
56% Rain
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