Weather StoryAlmanac, microseasons, and the day's weather story.

McNary, Louisiana Weather

Fireflies pulse through the magnolias. Day 77 of spring. Read this microseason across nine climate regions →

McNary weather forecast — hour by hour, 7-day outlook, NOAA radar

McNary, LA
Thursday, June 4 at 4:31 AM
73
°
Overcast
Feels like
80°
Humidity
93%
Wind
4 mph
Sunrise
6:06 AM
Sunset
8:10 PM
McNary, LA
Hour by hour · 24h
24-Hour ForecastMcNary, LA: 24-hour forecast. Temperatures range from 72 to 85 degrees Fahrenheit with a 37% chance of precipitation at 11 AM.
L 72°H 85°
McNary, LA
7-day forecast
  1. Today
    Jun 3
    Heavy Drizzle
    57%
    0.09″
    87°70°
  2. Thursday
    Jun 4
    Light Drizzle
    37%
    0.02″
    85°72°-2°
  3. Friday
    Jun 5
    Overcast
    30%
    90°67°+5°
  4. Saturday
    Jun 6
    Light Showers
    59%
    85°71°-5°
  5. Sunday
    Jun 7
    Light Drizzle
    42%
    91°72°+6°
  6. Monday
    Jun 8
    Overcast
    27%
    91°73°
  7. Tuesday
    Jun 9
    Overcast
    18%
    92°72°+1°
McNary, LA
Anemometer · 24h winds · from true
NESW
From · True
ENE
069° · backing 21°
Direction
ENE
069°
Sustained
4
mph
Gust
13
mph
Peak 24h
15
avg 5
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 5 · pk 15 @ 5:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 206SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 21° from the ene.
McNary, LA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1013.6
-0.6 mb in 3h · falling · 29.93 inHg
Now
1013.6
mb
3h
-0.6
mb
12h
+0.9
mb
24h
+1.1
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10121014
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1014.01011.61012.9
−24h−18h−12h−6hnow
Air sits at the threshold — small shifts decide the day.
McNary, LA
Air quality
45
AQI
Good
-2 in 6h

PM2.5 at 6.6 µg/m³ (AQI 37) with a 0.96 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust. AQI flat over the last 6 hours (within ±3 points).

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 6 AM.

PM 2.5DRIVERGood
6.6μg/m³
PM 10Good
7μg/m³
NO₂Good
5μg/m³
OzoneModerate
68μg/m³
UV IndexLow
0.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 32. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.

Present
AQI 32
UV peak
0.0 at 1 PM
Sky at peak
overcast
Projected peak
AQI 4

PM × Wind × Precip

PM2.5 at 6.6 µg/m³ (AQI 37) with a 0.96 fine-to-coarse ratio and 4 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
McNary, LA
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
26.3mi
UNLIMITED
72 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
04:31 UTC ·McNary, LA · NOAA NESDIS / STAR · 21696x21696 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
04:31 UTC ·McNary, LA · NOAA NESDIS / STAR · 5-min cadence · 10000x6000 px
McNary, LA
Satellite · infrared · animated
McNary, LA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
McNary, LA
Almanac · Thursday, June 4
A summer fog for fair, a winter fog for rain.
Civil dawn
10:40 AM
Sunrise
6:06 AM
Daylight
14h 04m
Sunset
8:10 PM
Civil dusk
1:38 AM
Planting note
Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
McNary, LA
The moon
Waning Gibbous
87% illuminated
Moonrise
4:13 AM
Moonset
2:37 PM
In sign
♑︎ Capricorn
McNary, LA
Microseason
Jun 1–5

Fireflies pulse through the magnolias

plant
Jan 142% of the yearDec 31

Read this microseason across nine climate regions →

McNary at a glance

  • Today vs. normal: 11°F below the seasonal normal for this latitude
  • Last frost: February 21 (climatological average for this latitude)
  • Microseason: Jun 1–5
  • Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.

Right now in the garden

Peak growing season

As of June 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 — McNary

SPC has placed McNary in the General Thunderstorms category for severe thunderstorms today.

  • 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 McNary

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.