Heat Advisory — Benton, AR, North and Central Sebastian, AR, Southern Crawford, AR, Central and Southern Franklin, AR, Southern Sebastian, AR, Pushmataha, OK, Choctaw, OK, Washington, OK, Nowata, OK, Craig, OK, Ottawa, OK, Pawnee, OK, Tulsa, OK, Rogers, OK, Mayes, OK, Delaware, OK, Creek, OK, Okfuskee, OK, Okmulgee, OK, Wagoner, OK, Cherokee, OK, Muskogee, OK, McIntosh, OK, Pittsburg, OK, Haskell, OK, Latimer, OK, Western Osage, OK, Northern Sequoyah, OK, Northern Le Flore, OK, Northeast Osage, OK, Central and Southern Sequoyah, OK, Central Le Flore, OK, Southeast Osage, OK 8:00 PM

Fort Smith, Arkansas

Last updated: 8:05 AM CDT  ·  Refresh
27°C
Feels like 29°
Clear
▲ 38°  /  ▼ 24°
Wind
4 mph SSW
Humidity
69%
Dew Point
21°
Pressure
29.52 inHg
Visibility
10 mi
UV Index
4.5
Cloud Cover
0%
Sunrise
6:33 AM
Sunset
8:12 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Fort Smith is currently clear at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1606 J/kg) — isolated convective development possible. Sunrise: 6:33AM · Sunset: 8:12PM.

Alerts

Heat Advisory
Benton, AR, North and Central Sebastian, AR, Southern Crawford, AR, Central and Southern Franklin, AR, Southern Sebastian, AR, Pushmataha, OK, Choctaw, OK, Washington, OK, Nowata, OK, Craig, OK, Ottawa, OK, Pawnee, OK, Tulsa, OK, Rogers, OK, Mayes, OK, Delaware, OK, Creek, OK, Okfuskee, OK, Okmulgee, OK, Wagoner, OK, Cherokee, OK, Muskogee, OK, McIntosh, OK, Pittsburg, OK, Haskell, OK, Latimer, OK, Western Osage, OK, Northern Sequoyah, OK, Northern Le Flore, OK, Northeast Osage, OK, Central and Southern Sequoyah, OK, Central Le Flore, OK, Southeast Osage, OK
Expires 8:00 PM
37 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
3%
9 AM
28°
3%
10 AM
30°
3%
11 AM
31°
3%
12 PM
33°
3%
1 PM
34°
3%
2 PM
38°
3%
3 PM
38°
3%
4 PM
38°
3%
5 PM
38°
3%
6 PM
38°
3%
7 PM
37°
3%
8 PM
36°
3%
9 PM
34°
3%
10 PM
31°
3%
11 PM
30°
3%
12 AM
29°
3%
1 AM
29°
3%
2 AM
28°
3%
3 AM
28°
3%
4 AM
27°
3%
5 AM
27°
3%
6 AM
26°
3%
7 AM
24°
3%
7-Day Forecast
Today
38° 24°
Clear.
Tue
40° 24°
Clear.
Wed
41° 25°
Mostly Clear.
Thu
41° 24°
Clear.
Fri
42° 24°
Clear.
Sat
42° 23°
Clear.
Sun
43° 24°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 27° Clear 3% 4 mph SSW 69%
9 AM 28° Clear 3% 7 mph SW 58%
10 AM 30° Clear 3% 9 mph SW 52%
11 AM 31° Clear 3% 8 mph SW 47%
12 PM 33° Clear 3% 8 mph SSW 43%
1 PM 34° Clear 3% 8 mph SSW 39%
2 PM 38° Clear 3% 8 mph SSW 37%
3 PM 38° Mostly Clear 3% 9 mph SSW 36%
4 PM 38° Mostly Clear 3% 9 mph SSW 34%
5 PM 38° Mostly Clear 3% 10 mph S 35%
6 PM 38° Mostly Clear 3% 10 mph S 36%
7 PM 37° Clear 3% 10 mph S 38%
8 PM 36° Clear 3% 9 mph S 42%
9 PM 34° Clear 3% 7 mph S 46%
10 PM 31° Clear 3% 6 mph S 50%
11 PM 30° Clear 3% 6 mph S 52%
12 AM 29° Clear 3% 5 mph S 54%
1 AM 29° Clear 3% 5 mph S 56%
2 AM 28° Clear 3% 4 mph S 58%
3 AM 28° Clear 3% 4 mph S 60%
4 AM 27° Clear 3% 4 mph S 62%
5 AM 27° Clear 3% 4 mph S 64%
6 AM 26° Clear 3% 4 mph SSE 66%
7 AM 24° Clear 3% 4 mph SSE 68%
15-Day Forecast
Today
8/10
Clear
3%
24°
38°
Tue
8/11
Clear
3%
24°
40°
Wed
8/12
Mostly Clear
3%
25°
41°
Thu
8/13
Clear
3%
24°
41°
Fri
8/14
Clear
3%
24°
42°
Sat
8/15
Clear
3%
23°
42°
Sun
8/16
Clear
8%
24°
43°
Mon
8/17
Mostly Clear
16%
24°
43°
Tue
8/18
Partly Cloudy
47%
23°
42°
Wed
8/19
Partly Cloudy
31%
23°
42°
Thu
8/20
Clear
60%
25°
42°
Fri
8/21
Clear
60%
24°
41°
Sat
8/22
Drizzle
60%
24°
39°
Sun
8/23
Drizzle
60%
24°
40°
Mon
8/24
Clear
60%
23°
40°
37
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
27 AQI 4.8 µg/m³
O3
Ground-level ozone
Dominant
37 AQI 41 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 37 Good 37 27
Wed 34 Good 34 26
Thu 34 Good 34 33
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 Mon Aug 10, 11:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1040 J/kg
MLCAPE493 J/kg
MUCAPE1040 J/kg
SBCIN-396 J/kg
MLCIN0 J/kg
Lifted Index-4.2
Kinematics
0–6 km Shear9 kt
0–1 km Shear15 kt
Eff. Shear—
0–1 km SRH-48
0–3 km SRH45
Eff. SRH—
Storm Motion142° @ 19 kt
0–1 km EHI-0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index20.1
Thermo & Levels
PWAT1.42 in
0–3 km LR4.4 °C/km
700–500 LR7.8 °C/km
Total Totals49.8
LCL918 hPa
LFC641 hPa
EL216 hPa
Freezing Lvl15,016 ft