Weir, Mississippi Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Weir weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Foggy16%—92°72°—
- SundayJul 5Rain18%0.16″87°73°-5°
- MondayJul 6Foggy31%—88°71°+1°
- TuesdayJul 7Thunderstorm25%—90°72°+2°
- WednesdayJul 8Light Showers13%—94°72°+4°
- ThursdayJul 9T-storm w/ Hail14%—89°73°-5°
- FridayJul 10Partly Cloudy29%—96°74°+7°
AQI 55 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 11.1 µg/m³ (AQI 55) with a 0.96 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 30. Overcast through the UV peak window (cloud cover ~65%) — afternoon ozone should stay flat.
- Present
- AQI 30
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
PM × Wind × Precip
PM2.5 at 11.1 µg/m³ (AQI 55) with a 0.96 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.96
- 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
- 11:11 PM
- Moonset
- 11:11 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Weir at a glance
- Today vs. normal: 78°F — typical for the season
- Last frost: March 7 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 39772
16-Day Forecast — Weir
- Sat92°72°16%
- Sun87°73°18%
- Mon88°71°31%
- Tue90°72°25%
- Wed94°72°13%
- Thu89°73°14%
- Fri96°74°29%
- Sat93°72°39%
- Sun87°69°45%
- Mon78°68°22%
- Tue89°69°10%
- Wed94°71°13%
- Thu91°74°26%
- Fri94°73°36%
- Sat96°73°27%
- Sun96°72°39%
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 — Weir
SPC has placed Weir 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 Weir
- 39772