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

Weather in Fort Smith, Arkansas

Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →

Fort Smith, AR
Sunday, May 17 at 4:56 AM
73
°
Clear
Feels like
76°
Humidity
73%
Wind
5 mph
Sunrise
6:12 AM
Sunset
8:15 PM
Fort Smith, AR
Hour by hour · 24h
69°
11p
67°
12a
66°
1a
65°
2a
65°
3a
64°
4a
64°
5a
63°
6a
64°
7a
65°
8a
69°
9a
73°
10a
72°
11a
75°
13%
12p
77°
10%
1p
81°
2p
81°
19%
3p
83°
4p
82°
5p
82°
6p
81°
7p
79°
8p
77°
12%
9p
76°
10p
L 63°H 83°
Fort Smith, AR
7-day forecast
  1. Today
    May 16
    Showers
    15%
    86°73°
  2. Sunday
    May 17
    Light Drizzle
    19%
    89°69°
  3. Monday
    May 18
    Overcast
    37%
    91°74°
  4. Tuesday
    May 19
    Light Showers
    57%
    80°63°
  5. Wednesday
    May 20
    Light Showers
    71%
    68°61°
  6. Thursday
    May 21
    Showers
    36%
    64°61°
  7. Friday
    May 22
    Light Drizzle
    33%
    77°62°
Fort Smith, AR
Anemometer · 24h winds · from true
NESW
From · True
SE
129° · backing 20°
Direction
SE
129°
Sustained
5
mph
Gust
12
mph
Peak 24h
23
avg 7
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 7 · pk 23 @ 7:00a
−24h−18h−12h−6hnow
Light breeze backing 20° from the se.
Fort Smith, AR
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
992.2
+0.7 mb in 3h · rising · 29.30 inHg
Now
992.2
mb
3h
+0.7
mb
12h
-1.7
mb
24h
-1.6
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 991996
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Fort Smith, AR
Air quality
48
AQI
Good
PM 2.5
7.9 μg/m³
PM 10
10.3 μg/m³
NO₂
1.3 μg/m³
Ozone
94.0 μg/m³
UV Index
0.0 Low
Fort Smith, AR
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:45 AM
Sunrise
6:12 AM
Daylight
14h 03m
Sunset
8:15 PM
Civil dusk
1:44 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Fort Smith, AR
The moon
New Moon
0% illuminated
Moonrise
11:24 AM
Moonset
1:41 AM
In sign
♊︎ Gemini
Fort Smith, AR
Microseason · 28 of 72
May 16–20

Roses open on the Piedmont edge

insect
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Fort Smith at a glance

  • Today vs. normal: 3°F below the seasonal normal for this latitude
  • Last frost: March 19 (climatological average for this latitude)
  • Microseason: 28 of 72, May 16–20
  • Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.

Right now in the garden

Peak growing season

As of May 17, 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.

ZIP codes in Fort Smith

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.