Collinsville, Mississippi Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Collinsville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle19%—91°72°—
- SundayJul 5Rain25%0.13″88°74°-3°
- MondayJul 6Overcast34%—87°73°-1°
- TuesdayJul 7Light Drizzle26%—91°71°+4°
- WednesdayJul 8Thunderstorm——93°72°+2°
- ThursdayJul 9Drizzle18%—92°72°-1°
- FridayJul 10Light Drizzle24%—93°73°+1°
AQI 59 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 15.7 µg/m³ (AQI 63) with a 0.90 fine-to-coarse ratio and 3 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
PM × Wind × Precip
PM2.5 at 15.7 µg/m³ (AQI 63) with a 0.90 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.90
- 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
- 11:08 PM
- Moonset
- 11:09 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Collinsville at a glance
- Today vs. normal: 78°F — typical for the season
- Last frost: March 2 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 39325
16-Day Forecast — Collinsville
- Sat91°72°19%
- Sun88°74°25%
- Mon87°73°34%
- Tue91°71°26%
- Wed93°72°8%
- Thu92°72°18%
- Fri93°73°24%
- Sat93°71°35%
- Sun90°71°49%
- Mon75°70°33%
- Tue89°68°18%
- Wed95°69°14%
- Thu92°75°30%
- Fri92°73°40%
- Sat93°72°42%
- 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 — Collinsville
SPC has placed Collinsville 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 Collinsville
- 39325