St. Louis, Michigan Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
St. Louis weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain36%3.9″82°69°—
- SundayJul 5Light Drizzle—0.02″77°63°-5°
- MondayJul 6Overcast——78°57°+1°
- TuesdayJul 7Overcast——83°55°+5°
- WednesdayJul 8Overcast11%—83°61°0°
- ThursdayJul 9Light Drizzle23%—79°64°-4°
- FridayJul 10Overcast25%—80°59°+1°
AQI 32 (Good), driven by Ozone. AQI down 17 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:38 PM
- Moonset
- 10:39 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
St. Louis at a glance
- Today vs. normal: 69°F — typical for the season
- Last frost: May 6 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
15-Day Forecast — St. Louis
- Sat86°69°36%
- Sun77°63°8%
- Mon78°57°5%
- Tue83°55°2%
- Wed83°61°11%
- Thu79°64°23%
- Fri80°59°25%
- Sat81°61°15%
- Sun76°61°10%
- Mon81°60°11%
- Tue71°61°12%
- Wed82°58°16%
- Thu82°60°31%
- Fri83°67°33%
- Sat76°57°14%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 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. Louis
SPC includes St. Louis in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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.
ZIP codes in St. Louis
- 48880