Heat Advisory — North and Central Sebastian, AR, Southern Crawford, AR, Central and Southern Franklin, AR, Southern Sebastian, AR, Pushmataha, OK, Choctaw, OK, Creek, OK, Okfuskee, OK, Okmulgee, OK, Muskogee, OK, McIntosh, OK, Pittsburg, OK, Haskell, OK, Latimer, OK, Northern Sequoyah, OK, Northern Le Flore, OK, Central and Southern Sequoyah, OK, Central Le Flore, OK, Southern Le Flore, OK 7:00 p. m. Heat Advisory — North and Central Sebastian, AR, Southern Crawford, AR, Central and Southern Franklin, AR, Southern Sebastian, AR, Pushmataha, OK, Choctaw, OK, Creek, OK, Okfuskee, OK, Okmulgee, OK, Muskogee, OK, McIntosh, OK, Pittsburg, OK, Haskell, OK, Latimer, OK, Northern Sequoyah, OK, Northern Le Flore, OK, Central and Southern Sequoyah, OK, Central Le Flore, OK, Southern Le Flore, OK 7:00 p. m.

Fort Smith, Arkansas

Last updated: 3:49 p. m. CDT  ·  Refresh
37°C
Feels like 38°
Mostly Clear
▲ 37°  /  ▼ 23°
Wind
5 mph E
Humidity
34%
Dew Point
19°
Pressure
29,46 inHg
Visibility
10 mi
UV Index
7,5
Cloud Cover
22%
Sunrise
6:59 a. m.
Sunset
7:27 p. m.
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Fort Smith is currently mostly clear at 37°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1529 J/kg) — isolated convective development possible. Sunrise: 6:59A. M. · Sunset: 7:27P. M..

Alerts

Heat Advisory
North and Central Sebastian, AR, Southern Crawford, AR, Central and Southern Franklin, AR, Southern Sebastian, AR, Pushmataha, OK, Choctaw, OK, Creek, OK, Okfuskee, OK, Okmulgee, OK, Muskogee, OK, McIntosh, OK, Pittsburg, OK, Haskell, OK, Latimer, OK, Northern Sequoyah, OK, Northern Le Flore, OK, Central and Southern Sequoyah, OK, Central Le Flore, OK, Southern Le Flore, OK
Expires 7:00 p. m.
Heat Advisory
North and Central Sebastian, AR, Southern Crawford, AR, Central and Southern Franklin, AR, Southern Sebastian, AR, Pushmataha, OK, Choctaw, OK, Creek, OK, Okfuskee, OK, Okmulgee, OK, Muskogee, OK, McIntosh, OK, Pittsburg, OK, Haskell, OK, Latimer, OK, Northern Sequoyah, OK, Northern Le Flore, OK, Central and Southern Sequoyah, OK, Central Le Flore, OK, Southern Le Flore, OK
Expires 7:00 p. m.
45 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
37°
7%
4 p. m.
36°
8%
5 p. m.
37°
8%
6 p. m.
34°
8%
7 p. m.
32°
8%
8 p. m.
31°
8%
9 p. m.
29°
8%
10 p. m.
28°
8%
11 p. m.
28°
8%
12 a. m.
27°
8%
1 a. m.
26°
8%
2 a. m.
26°
9%
3 a. m.
25°
17%
4 a. m.
25°
21%
5 a. m.
23°
17%
6 a. m.
23°
3%
7 a. m.
24°
9%
8 a. m.
25°
20%
9 a. m.
26°
20%
10 a. m.
29°
20%
11 a. m.
30°
21%
12 p. m.
31°
21%
1 p. m.
33°
21%
2 p. m.
34°
22%
7-Day Forecast
Today
37° 23°
Partly Cloudy.
Mon
38° 23°
Mostly Clear with a 25% chance of rain.
Tue
38° 24°
Clear.
Wed
37° 24°
Clear.
Thu
37° 22°
Clear.
Fri
37° 21°
Clear.
Sat
37° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 37° Mostly Clear 7% 5 mph E 34%
4 p. m. 36° Partly Cloudy 8% 5 mph ESE 38%
5 p. m. 37° Partly Cloudy 8% 7 mph ESE 45%
6 p. m. 34° Partly Cloudy 8% 9 mph ESE 53%
7 p. m. 32° Partly Cloudy 8% 9 mph ESE 57%
8 p. m. 31° Partly Cloudy 8% 8 mph ESE 60%
9 p. m. 29° Partly Cloudy 8% 7 mph ESE 63%
10 p. m. 28° Partly Cloudy 8% 7 mph ESE 66%
11 p. m. 28° Partly Cloudy 8% 6 mph E 70%
12 a. m. 27° Partly Cloudy 8% 6 mph E 72%
1 a. m. 26° Partly Cloudy 8% 5 mph E 74%
2 a. m. 26° Partly Cloudy 9% 5 mph E 76%
3 a. m. 25° Partly Cloudy 17% 5 mph E 78%
4 a. m. 25° Partly Cloudy 21% 5 mph E 79%
5 a. m. 23° Partly Cloudy 17% 5 mph E 81%
6 a. m. 23° Mostly Clear 3% 5 mph E 82%
7 a. m. 24° Mostly Clear 9% 5 mph E 77%
8 a. m. 25° Mostly Clear 20% 6 mph ESE 71%
9 a. m. 26° Mostly Clear 20% 6 mph ESE 66%
10 a. m. 29° Mostly Clear 20% 6 mph ESE 62%
11 a. m. 30° Clear 21% 6 mph ESE 58%
12 p. m. 31° Clear 21% 7 mph ESE 54%
1 p. m. 33° Clear 21% 7 mph SE 51%
2 p. m. 34° Clear 22% 8 mph SE 49%
15-Day Forecast
Today
9/13
Partly Cloudy
8%
23°
37°
Mon
9/14
Mostly Clear
25%
23°
38°
Tue
9/15
Clear
8%
24°
38°
Wed
9/16
Clear
8%
24°
37°
Thu
9/17
Clear
9%
22°
37°
Fri
9/18
Clear
9%
21°
37°
Sat
9/19
Clear
19%
22°
37°
Sun
9/20
Clear
60%
20°
33°
Mon
9/21
Drizzle
60%
16°
31°
Tue
9/22
Drizzle
60%
11°
31°
Wed
9/23
Drizzle
60%
13°
29°
Thu
9/24
Drizzle
60%
17°
30°
Fri
9/25
Drizzle
60%
17°
31°
Sat
9/26
Drizzle
60%
17°
31°
Sun
9/27
Drizzle
60%
18°
31°
45
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
28 AQI 5.2 µg/m³
O3
Ground-level ozone
Dominant
45 AQI 49 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 45 Good 45 28
Tue 43 Good 43 29
Wed 40 Good 40 25
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid dom. sept. 13, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1441 J/kg
MLCAPE638 J/kg
MUCAPE1441 J/kg
SBCIN-1 J/kg
MLCIN-41 J/kg
Lifted Index-5.3
Kinematics
0–6 km Shear18 kt
0–1 km Shear4 kt
Eff. Shear13 kt
0–1 km SRH15
0–3 km SRH58
Eff. SRH58
Storm Motion350° @ 13 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.4
Thermo & Levels
PWAT1.93 in
0–3 km LR8.6 °C/km
700–500 LR6.5 °C/km
Total Totals49.8
LCL774 hPa
LFC760 hPa
EL169 hPa
Freezing Lvl15,322 ft