St. Joseph, Missouri Weather
Fireflies pulse through the magnolias. Day 77 of spring. Read this microseason across nine climate regions →
St. Joseph weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast43%—85°67°—
- FridayJun 5Thunderstorm53%0.04″92°71°+7°
- SaturdayJun 6Light Showers53%—86°69°-6°
- SundayJun 7Showers60%0.03″79°67°-7°
- MondayJun 8Thunderstorm48%—85°68°+6°
- TuesdayJun 9Thunderstorm26%—92°74°+7°
- WednesdayJun 10Thunderstorm10%—91°74°-1°
AQI 27 (Good), driven by Ozone. AQI down 19 over the last 6 hours — air quality is improving sharply.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 4:48 AM
- Moonset
- 2:22 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
St. Joseph at a glance
- Today vs. normal: 7°F below the seasonal normal for this latitude
- Last frost: April 15 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — St. Joseph
SPC has placed St. Joseph in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWMRGLMarginal Risk
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.