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

St. Joe, Arkansas Weather

Fireflies pulse through the magnolias. Day 78 of spring. Read this microseason across nine climate regions →

St. Joe weather forecast — hour by hour, 7-day outlook, NOAA radar

St. Joe, AR
Friday, June 5 at 9:38 AM
69
°
Clear
Feels like
73°
Humidity
84%
Wind
3 mph
Sunrise
5:54 AM
Sunset
8:25 PM
St. Joe, AR
Hour by hour · 24h
24-Hour ForecastSt. Joe, AR: 24-hour forecast. Temperatures range from 70 to 81 degrees Fahrenheit with a 21% chance of precipitation at 10 AM.
L 70°H 81°
St. Joe, AR
7-day forecast
  1. Today
    Jun 5
    Heavy Drizzle
    21%
    0.09″
    81°68°
  2. Saturday
    Jun 6
    Light Drizzle
    47%
    0.02″
    82°70°+1°
  3. Sunday
    Jun 7
    Showers
    69%
    0.03″
    83°68°+1°
  4. Monday
    Jun 8
    Overcast
    46%
    91°72°+8°
  5. Tuesday
    Jun 9
    Clear
    14%
    93°70°+2°
  6. Wednesday
    Jun 10
    Clear
    94°70°+1°
  7. Thursday
    Jun 11
    Clear
    95°71°+1°
St. Joe, AR
Anemometer · 24h winds · from true
NESW
From · True
SSE
156° · backing 23°
Direction
SSE
156°
Sustained
3
mph
Gust
8
mph
Peak 24h
22
avg 6
Beaufort · 1 · LIGHT AIR
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 6 · pk 22 @ 8:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 213SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 23° from the sse.
St. Joe, AR
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
987.7
+0.7 mb in 3h · rising · 29.17 inHg
Now
987.7
mb
3h
+0.7
mb
12h
+0.2
mb
24h
-3.4
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 987992
9809859909951000STORM|RAIN-21h-18h-15h-12h-9h-6h-3h-24hNOW992.2986.9988.8
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
St. Joe, AR
Air quality
34
AQI
Good
-3 in 6h

AQI 34 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 34. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.

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

PM 2.5Good
5.5μg/m³
PM 10Good
6μg/m³
NO₂Good
2μg/m³
OzoneDRIVERModerate
73μg/m³
UV IndexLow
0.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 34. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.

Present
AQI 34
UV peak
3.3 at 1 PM
Sky at peak
overcast
Projected peak
AQI 8

PM × Wind × Precip

PM2.5 at 5.5 µg/m³ (AQI 31) with a 0.89 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.89
Wind
calm
Recent rain
0h in last 6h
Pattern
stagnant smoke
St. Joe, AR
Sky cover · visibility · 24h
Cloud cover
2%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
34.7mi
UNLIMITED
51 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
09:38 UTC ·St. Joe, AR · 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
09:38 UTC ·St. Joe, AR · NOAA NESDIS / STAR · 5-min cadence · 10000x6000 px
St. Joe, AR
Satellite · infrared · animated
St. Joe, AR
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
St. Joe, AR
Almanac · Friday, June 5
The higher the clouds, the finer the weather.
Civil dawn
10:26 AM
Sunrise
5:54 AM
Daylight
14h 31m
Sunset
8:25 PM
Civil dusk
1:56 AM
Planting note
Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
St. Joe, AR
The moon
Waning Gibbous
78% illuminated
Moonrise
5:01 AM
Moonset
3:27 PM
In sign
♒︎ Aquarius
St. Joe, AR
Microseason
Jun 1–5

Fireflies pulse through the magnolias

weather
Jan 143% of the yearDec 31

Read this microseason across nine climate regions →

St. Joe at a glance

  • Today vs. normal: 10°F below the seasonal normal for this latitude
  • Last frost: March 23 (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 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 — St. Joe

SPC has placed St. Joe 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 St. Joe

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.