Lyon, Mississippi Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Lyon weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast36%—93°74°—
- SundayJul 5Light Drizzle18%0.01″92°75°-1°
- MondayJul 6Drizzle24%—93°73°+1°
- TuesdayJul 7Overcast14%—94°73°+1°
- WednesdayJul 8Overcast11%—93°73°-1°
- ThursdayJul 9Light Drizzle13%—94°74°+1°
- FridayJul 10Overcast25%—94°77°0°
AQI 42 (Good), driven by PM2.5. AQI down 8 over the last 6 hours (gradual decline). PM2.5 at 6.8 µg/m³, PM10 at 7.4 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
PM × Wind × Precip
PM2.5 at 6.8 µg/m³, PM10 at 7.4 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.92
- Wind
- light
- 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
- 11:16 PM
- Moonset
- 11:16 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Lyon at a glance
- Today vs. normal: 78°F — typical for the season
- Last frost: March 12 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 38645
16-Day Forecast — Lyon
- Sat93°74°36%
- Sun92°75°18%
- Mon93°73°24%
- Tue94°73°14%
- Wed93°73°11%
- Thu94°74°13%
- Fri94°77°25%
- Sat91°71°38%
- Sun72°70°31%
- Mon84°69°15%
- Tue87°71°9%
- Wed90°76°18%
- Thu93°75°30%
- Fri94°75°19%
- Sat94°74°19%
- Sun96°73°26%
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 — Lyon
SPC has placed Lyon 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 Lyon
- 38614
- 38645