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

Mount Vernon, Arkansas Weather

Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →

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

Mount Vernon, AR
Saturday, July 4 at 3:08 PM
85
°
Overcast
Feels like
94°
Humidity
85%
Wind
13 mph
Sunrise
12:59 AM
Sunset
3:26 PM
Mount Vernon, AR
Hour by hour · 24h
24-Hour ForecastMount Vernon, AR: 24-hour forecast. Temperatures range from 72 to 88 degrees Fahrenheit with a 31% chance of precipitation at 8 AM.
L 72°H 88°
Mount Vernon, AR
7-day forecast
  1. Today
    Jul 4
    Overcast
    24%
    91°75°
  2. Sunday
    Jul 5
    Light Rain
    31%
    0.14″
    89°72°-2°
  3. Monday
    Jul 6
    Light Drizzle
    32%
    91°72°+2°
  4. Tuesday
    Jul 7
    Overcast
    26%
    91°72°
  5. Wednesday
    Jul 8
    Overcast
    92°71°+1°
  6. Thursday
    Jul 9
    Partly Cloudy
    13%
    99°73°+7°
  7. Friday
    Jul 10
    Drizzle
    14%
    0.01″
    100°75°+1°
Mount Vernon, AR
Anemometer · 24h winds · from true
NESW
From · True
ENE
069° · veering 157°
Direction
ENE
069°
Sustained
13
mph
Gust
18
mph
Peak 24h
18
avg 5
Beaufort · 4 · MOD 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 18 @ 3:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 202SUSTGUST
−24h−18h−12h−6hnow
A fresh breeze drives the ene-bound air across the harbor.
Mount Vernon, AR
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1000.8
-1.3 mb in 3h · falling · 29.55 inHg
Now
1000.8
mb
3h
-1.3
mb
12h
-0.3
mb
24h
-1.6
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10011002
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1002.41000.61000.8
−24h−18h−12h−6hnow
Pressure giving way — clouds thicken and rain edges closer.
Mount Vernon, AR
Air quality
54
AQI
Moderate
+3 in 6hPeak ~61 @ 11 PM

AQI 54 (Moderate), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 70 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5Good
10.1μg/m³
PM 10Good
11μg/m³
NO₂Good
1μg/m³
OzoneDRIVERUnhealthy SG
119μg/m³
UV IndexHigh
6.3

What's driving it

Ozone × UV × Sky

Ozone at AQI 70 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.

Present
AQI 70
UV peak
6.0 at earlier today
Sky at peak
overcast
Projected peak
AQI 70

PM × Wind × Precip

PM2.5 at 10.1 µg/m³, PM10 at 10.7 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.94
Wind
breezy
Recent rain
0h in last 6h
Pattern
background
Mount Vernon, AR
Sky cover · visibility · 24h
Cloud cover
98%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
49.7mi
UNLIMITED
63 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
20:08 UTC · Mount Vernon, AR · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
20:08 UTC · Mount Vernon, AR · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Mount Vernon, AR
Satellite · infrared · animated
Mount Vernon, AR
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Mount Vernon, AR
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:30 AM
Sunrise
12:59 AM
Daylight
14h 27m
Sunset
3:26 PM
Civil dusk
8:57 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Mount Vernon, AR
The moon
Waning Gibbous
79% illuminated
Moonrise
10:56 PM
Moonset
10:19 AM
In sign
♓︎ Pisces
Mount Vernon, AR
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Mount Vernon at a glance

  • Today vs. normal: 9°F above the seasonal normal for this latitude
  • Last frost: March 18 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 72111

16-Day Forecast — Mount Vernon

  1. Sat93°76°24%
  2. Sun89°73°31%
  3. Mon91°72°32%
  4. Tue91°72°26%
  5. Wed92°71°8%
  6. Thu99°73°13%
  7. Fri100°75°14%
  8. Sat87°69°17%
  9. Sun87°66°11%
  10. Mon85°62°8%
  11. Tue84°63°6%
  12. Wed86°65°14%
  13. Thu89°66°19%
  14. Fri90°72°19%
  15. Sat89°72°29%
  16. Sun78°69°22%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of July 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 — Mount Vernon

SPC has placed Mount Vernon 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 Mount Vernon

  • 72111

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.