Mendon, Missouri Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Mendon weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle22%0.04″87°70°—
- SundayJul 5Heavy Rain21%3.0″89°70°+2°
- MondayJul 6Light Drizzle——85°69°-4°
- TuesdayJul 7Mostly Clear——86°67°+1°
- WednesdayJul 8Overcast——89°66°+3°
- ThursdayJul 9Thunderstorm36%0.02″90°71°+1°
- FridayJul 10Thunderstorm36%0.03″88°71°-2°
AQI 35 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.6 µg/m³, PM10 at 11.1 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.
What's driving it
Ozone × UV × Sky
Ozone at AQI 48. Overcast through the UV peak window (cloud cover ~67%) — afternoon ozone should stay flat.
- Present
- AQI 48
- UV peak
- 8.1 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 26
PM × Wind × Precip
PM2.5 at 8.6 µg/m³, PM10 at 11.1 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.77
- Wind
- breezy
- Recent rain
- 1h 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
- 11:06 PM
- Moonset
- 10:19 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Mendon at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: April 14 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 64660
16-Day Forecast — Mendon
- Sat87°70°22%
- Sun89°70°21%
- Mon85°69°7%
- Tue86°67°2%
- Wed89°66°7%
- Thu90°71°36%
- Fri88°71°36%
- Sat89°72°15%
- Sun77°61°7%
- Mon79°57°5%
- Tue80°59°8%
- Wed81°65°7%
- Thu83°65°11%
- Fri83°66°13%
- Sat84°70°14%
- Sun86°71°10%
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 — Mendon
SPC includes Mendon in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
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 Mendon
- 64660