Walnut, Mississippi Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Walnut weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Showers53%1.5″94°70°—
- SundayJul 5Overcast25%—88°74°-6°
- MondayJul 6Overcast44%—87°72°-1°
- TuesdayJul 7Overcast10%—90°69°+3°
- WednesdayJul 8Overcast——94°68°+4°
- ThursdayJul 9Light Drizzle11%—98°71°+4°
- FridayJul 10Drizzle37%—96°75°-2°
AQI 49 (Good), driven by PM2.5. AQI down 8 over the last 6 hours (gradual decline). PM2.5 at 12.4 µg/m³ (AQI 57) with a 0.91 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
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 36. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 36
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
PM × Wind × Precip
PM2.5 at 12.4 µg/m³ (AQI 57) with a 0.91 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.91
- 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
- 11:10 PM
- Moonset
- 11:09 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Walnut at a glance
- Today vs. normal: 77°F — typical for the season
- Last frost: March 17 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 38683
16-Day Forecast — Walnut
- Sat94°70°53%
- Sun88°74°25%
- Mon87°72°44%
- Tue90°69°10%
- Wed94°68°9%
- Thu98°71°11%
- Fri96°75°37%
- Sat91°72°43%
- Sun71°67°28%
- Mon84°66°15%
- Tue91°69°7%
- Wed92°72°16%
- Thu89°74°26%
- Fri94°74°26%
- Sat98°74°26%
- Sun98°76°24%
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 — Walnut
SPC has placed Walnut in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal Risk
- 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 Walnut
- 38683