St. Louis, Oklahoma Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
St. Louis weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Rain55%0.28″92°68°—
- MondayJul 6Drizzle12%0.03″96°74°+4°
- TuesdayJul 7Overcast——93°73°-3°
- WednesdayJul 8Clear——102°74°+9°
- ThursdayJul 9Overcast——104°81°+2°
- FridayJul 10Partly Cloudy10%—102°82°-2°
- SaturdayJul 11Overcast17%—100°82°-2°
AQI 34 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 43. Overcast through the UV peak window (cloud cover ~67%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 43. Overcast through the UV peak window (cloud cover ~67%) — afternoon ozone should stay flat.
- Present
- AQI 43
- UV peak
- 8.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 23
PM × Wind × Precip
PM2.5 at 7.3 µg/m³ (AQI 41) with a 0.82 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.82
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 11:43 PM
- Moonset
- 11:42 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
St. Louis at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: March 17 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — St. Louis
- Sun92°68°55%
- Mon96°74°12%
- Tue93°73°1%
- Wed102°74°2%
- Thu104°81°4%
- Fri102°82°10%
- Sat100°82°17%
- Sun100°75°8%
- Mon104°72°7%
- Tue106°77°6%
- Wed110°78°2%
- Thu113°79°18%
- Fri119°83°13%
- Sat125°85°10%
- Sun112°87°13%
- Mon114°75°18%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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
- 74866
- 74826