Palmyra, Missouri Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Palmyra weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast12%—89°74°—
- SundayJul 5Light Drizzle23%—86°72°-3°
- MondayJul 6Drizzle17%—83°68°-3°
- TuesdayJul 7Clear——84°64°+1°
- WednesdayJul 8Overcast——90°65°+6°
- ThursdayJul 9T-storm w/ Hail42%—90°70°0°
- FridayJul 10Drizzle42%0.05″86°71°-4°
AQI 33 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 11.1 µg/m³, PM10 at 12.2 µg/m³ — typical background levels with no transport signature.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 36. Overcast through the UV peak window (cloud cover ~61%) — afternoon ozone should stay flat.
- Present
- AQI 36
- UV peak
- 2.7 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 6
PM × Wind × Precip
PM2.5 at 11.1 µg/m³, PM10 at 12.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.91
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 11:00 PM
- Moonset
- 10:12 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Palmyra at a glance
- Today vs. normal: 11°F above the seasonal normal for this latitude
- Last frost: April 15 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 63461
16-Day Forecast — Palmyra
- Sat88°74°12%
- Sun86°72°23%
- Mon83°68°17%
- Tue84°64°2%
- Wed90°65°4%
- Thu90°70°42%
- Fri86°71°42%
- Sat86°70°22%
- Sun75°59°7%
- Mon77°57°5%
- Tue81°60°9%
- Wed83°65°10%
- Thu85°65°16%
- Fri84°67°19%
- Sat86°70°14%
- Sun89°72°19%
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 — Palmyra
SPC has placed Palmyra in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- 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.
ZIP codes in Palmyra
- 63461