Heat Advisory — Newton County Higher Elevations, AR, Boone County Higher Elevations, AR, Johnson County Higher Elevations, AR, Pope County Higher Elevations, AR, Van Buren County Higher Elevations, AR, Eastern, Central, and Southern Searcy County Higher Elevations, AR, Marion, AR, Baxter, AR, Fulton, AR, Sharp, AR, Randolph, AR, Stone, AR, Izard, AR, Independence, AR, Lawrence, AR, Cleburne, AR, Jackson, AR, Conway, AR, Faulkner, AR, White, AR, Woodruff, AR, Perry, AR, Garland, AR, Saline, AR, Pulaski, AR, Lonoke, AR, Prairie, AR, Monroe, AR, Pike, AR, Clark, AR, Hot Spring, AR, Grant, AR, Jefferson, AR, Arkansas, AR, Dallas, AR, Cleveland, AR, Lincoln, AR, Desha, AR, Ouachita, AR, Calhoun, AR, Bradley, AR, Drew, AR, Boone County Except Southwest, AR, Searcy County Lower Elevations, AR, Southern Johnson County, AR, Southern Pope County, AR, Southeast Van Buren County, AR, Western and Northern Logan County, AR, Northern Scott County, AR, Northwest Yell County, AR, Polk County Lower Elevations, AR, Central and Eastern Montgomery County, AR, Newton County Lower Elevations, AR, Northwest Searcy County Higher Elevations, AR, Southern and Eastern Logan County, AR, Central and Southern Scott County, AR, Yell Excluding Northwest, AR, Northern Polk County Higher Elevations, AR, Northern Montgomery County Higher Elevations, AR, Southeast Polk County Higher Elevations, AR, Southwest Montgomery County Higher Elevations, AR 9:00 PM Excessive Heat Warning — Marion, AR, Baxter, AR, Fulton, AR, Sharp, AR, Randolph, AR, Stone, AR, Izard, AR, Independence, AR, Lawrence, AR, Cleburne, AR, Jackson, AR, Conway, AR, Faulkner, AR, White, AR, Woodruff, AR, Perry, AR, Garland, AR, Saline, AR, Pulaski, AR, Lonoke, AR, Prairie, AR, Monroe, AR, Pike, AR, Clark, AR, Hot Spring, AR, Grant, AR, Jefferson, AR, Arkansas, AR, Dallas, AR, Cleveland, AR, Lincoln, AR, Desha, AR, Ouachita, AR, Calhoun, AR, Bradley, AR, Drew, AR, Boone County Except Southwest, AR, Searcy County Lower Elevations, AR, Southern Johnson County, AR, Southern Pope County, AR, Southeast Van Buren County, AR, Western and Northern Logan County, AR, Northern Scott County, AR, Northwest Yell County, AR, Polk County Lower Elevations, AR, Central and Eastern Montgomery County, AR, Newton County Lower Elevations, AR, Northwest Searcy County Higher Elevations, AR, Southern and Eastern Logan County, AR, Central and Southern Scott County, AR, Yell Excluding Northwest, AR, Northern Polk County Higher Elevations, AR, Northern Montgomery County Higher Elevations, AR, Southeast Polk County Higher Elevations, AR, Southwest Montgomery County Higher Elevations, AR, Newton County Higher Elevations, AR, Boone County Higher Elevations, AR, Johnson County Higher Elevations, AR, Pope County Higher Elevations, AR, Van Buren County Higher Elevations, AR, Eastern, Central, and Southern Searcy County Higher Elevations, AR 9:00 PM

Marion County, Arkansas, United States

Last updated: 6:27 PM CDT  ·  Refresh
36°C
Feels like 42°
Mostly Clear
▲ 38°  /  ▼ 19°
Wind
6 mph NNW
Humidity
48%
Dew Point
23°
Pressure
28.96 inHg
Visibility
9 mi
UV Index
4.8
Cloud Cover
16%
Sunrise
6:09 AM
Sunset
8:24 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Marion County is currently mostly clear at 36°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2457 J/kg) — isolated convective development possible. Sunrise: 6:09AM · Sunset: 8:24PM.

Alerts

Heat Advisory
Newton County Higher Elevations, AR, Boone County Higher Elevations, AR, Johnson County Higher Elevations, AR, Pope County Higher Elevations, AR, Van Buren County Higher Elevations, AR, Eastern, Central, and Southern Searcy County Higher Elevations, AR, Marion, AR, Baxter, AR, Fulton, AR, Sharp, AR, Randolph, AR, Stone, AR, Izard, AR, Independence, AR, Lawrence, AR, Cleburne, AR, Jackson, AR, Conway, AR, Faulkner, AR, White, AR, Woodruff, AR, Perry, AR, Garland, AR, Saline, AR, Pulaski, AR, Lonoke, AR, Prairie, AR, Monroe, AR, Pike, AR, Clark, AR, Hot Spring, AR, Grant, AR, Jefferson, AR, Arkansas, AR, Dallas, AR, Cleveland, AR, Lincoln, AR, Desha, AR, Ouachita, AR, Calhoun, AR, Bradley, AR, Drew, AR, Boone County Except Southwest, AR, Searcy County Lower Elevations, AR, Southern Johnson County, AR, Southern Pope County, AR, Southeast Van Buren County, AR, Western and Northern Logan County, AR, Northern Scott County, AR, Northwest Yell County, AR, Polk County Lower Elevations, AR, Central and Eastern Montgomery County, AR, Newton County Lower Elevations, AR, Northwest Searcy County Higher Elevations, AR, Southern and Eastern Logan County, AR, Central and Southern Scott County, AR, Yell Excluding Northwest, AR, Northern Polk County Higher Elevations, AR, Northern Montgomery County Higher Elevations, AR, Southeast Polk County Higher Elevations, AR, Southwest Montgomery County Higher Elevations, AR
Expires 9:00 PM
Excessive Heat Warning
Marion, AR, Baxter, AR, Fulton, AR, Sharp, AR, Randolph, AR, Stone, AR, Izard, AR, Independence, AR, Lawrence, AR, Cleburne, AR, Jackson, AR, Conway, AR, Faulkner, AR, White, AR, Woodruff, AR, Perry, AR, Garland, AR, Saline, AR, Pulaski, AR, Lonoke, AR, Prairie, AR, Monroe, AR, Pike, AR, Clark, AR, Hot Spring, AR, Grant, AR, Jefferson, AR, Arkansas, AR, Dallas, AR, Cleveland, AR, Lincoln, AR, Desha, AR, Ouachita, AR, Calhoun, AR, Bradley, AR, Drew, AR, Boone County Except Southwest, AR, Searcy County Lower Elevations, AR, Southern Johnson County, AR, Southern Pope County, AR, Southeast Van Buren County, AR, Western and Northern Logan County, AR, Northern Scott County, AR, Northwest Yell County, AR, Polk County Lower Elevations, AR, Central and Eastern Montgomery County, AR, Newton County Lower Elevations, AR, Northwest Searcy County Higher Elevations, AR, Southern and Eastern Logan County, AR, Central and Southern Scott County, AR, Yell Excluding Northwest, AR, Northern Polk County Higher Elevations, AR, Northern Montgomery County Higher Elevations, AR, Southeast Polk County Higher Elevations, AR, Southwest Montgomery County Higher Elevations, AR, Newton County Higher Elevations, AR, Boone County Higher Elevations, AR, Johnson County Higher Elevations, AR, Pope County Higher Elevations, AR, Van Buren County Higher Elevations, AR, Eastern, Central, and Southern Searcy County Higher Elevations, AR
Expires 9:00 PM
57 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
36°
22%
7 PM
34°
32%
8 PM
33°
33%
9 PM
31°
32%
10 PM
29°
28%
11 PM
28°
21%
12 AM
27°
17%
1 AM
26°
3%
2 AM
24°
3%
3 AM
23°
3%
4 AM
23°
3%
5 AM
20°
3%
6 AM
19°
3%
7 AM
20°
3%
8 AM
21°
3%
9 AM
24°
3%
10 AM
25°
3%
11 AM
26°
3%
12 PM
27°
3%
1 PM
29°
3%
2 PM
29°
3%
3 PM
29°
3%
4 PM
29°
3%
5 PM
29°
3%
7-Day Forecast
Tonight
38° 19°
Mostly Clear with a 32% chance of rain.
Wed
32° 19°
Clear.
Thu
31° 18°
Partly Cloudy.
Fri
29° 19°
Overcast with a 61% chance of rain.
Sat
36° 21°
Overcast with a 71% chance of rain.
Sun
39° 24°
Clear.
Mon
39° 24°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 36° Mostly Clear 22% 6 mph NNW 48%
7 PM 34° Clear 32% 7 mph N 51%
8 PM 33° Clear 33% 7 mph N 54%
9 PM 31° Clear 32% 6 mph N 55%
10 PM 29° Clear 28% 6 mph N 56%
11 PM 28° Clear 21% 6 mph NNE 59%
12 AM 27° Clear 17% 6 mph NNE 64%
1 AM 26° Clear 3% 5 mph NNE 68%
2 AM 24° Clear 3% 5 mph NNE 71%
3 AM 23° Clear 3% 6 mph N 74%
4 AM 23° Clear 3% 6 mph NNE 76%
5 AM 20° Clear 3% 6 mph NNE 78%
6 AM 19° Clear 3% 6 mph NNE 81%
7 AM 20° Clear 3% 6 mph NNE 79%
8 AM 21° Clear 3% 7 mph NE 73%
9 AM 24° Clear 3% 7 mph NE 66%
10 AM 25° Clear 3% 8 mph NE 60%
11 AM 26° Clear 3% 8 mph NE 55%
12 PM 27° Clear 3% 8 mph NNE 50%
1 PM 29° Clear 3% 9 mph NNE 46%
2 PM 29° Clear 3% 9 mph NNE 45%
3 PM 29° Clear 3% 9 mph NNE 44%
4 PM 29° Clear 3% 9 mph NNE 45%
5 PM 29° Clear 3% 8 mph NNE 48%
15-Day Forecast
Today
7/21
Mostly Clear
32%
19°
38°
Wed
7/22
Clear
17%
19°
32°
Thu
7/23
Partly Cloudy
6%
18°
31°
Fri
7/24
Overcast
61%
19°
29°
Sat
7/25
Overcast
71%
21°
36°
Sun
7/26
Clear
16%
24°
39°
Mon
7/27
Clear
11%
24°
39°
Tue
7/28
Mostly Cloudy
23%
22°
37°
Wed
7/29
Drizzle
60%
22°
36°
Thu
7/30
Drizzle
60%
21°
36°
Fri
7/31
Overcast
39%
21°
36°
Sat
8/1
Drizzle
60%
21°
35°
Sun
8/2
Drizzle
60%
21°
35°
Mon
8/3
Drizzle
60%
21°
35°
Tue
8/4
Drizzle
60%
21°
34°
57
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
57 AQI 12.2 µg/m³
O3
Ground-level ozone
42 AQI 46 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 57 Moderate 42 57
Thu 52 Moderate 37 52
Fri 36 Good 32 36
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 Tue Jul 21, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3232 J/kg
MLCAPE3271 J/kg
MUCAPE3744 J/kg
SBCIN-20 J/kg
MLCIN0 J/kg
Lifted Index-5.6
Kinematics
0–6 km Shear20 kt
0–1 km Shear6 kt
Eff. Shear22 kt
0–1 km SRH-24
0–3 km SRH-41
Eff. SRH-41
Storm Motion292° @ 19 kt
0–1 km EHI-0.5
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index38.1
Thermo & Levels
PWAT2.20 in
0–3 km LR7.8 °C/km
700–500 LR5.8 °C/km
Total Totals49.6
LCL814 hPa
LFC792 hPa
EL133 hPa
Freezing Lvl16,726 ft