Fire Weather Watch 1:00 AM

Union County, Arkansas, United States

Last updated: 2:45 AM CDT  ·  Refresh
75°F
Feels like 74°
Mostly Clear
▲ 96°  /  ▼ 62°
Wind
6 mph S
Humidity
56%
Dew Point
57°
Pressure
29.77 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
25%
Sunrise
7:14 AM
Sunset
6:36 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Union County is currently mostly clear at 75°F. Dry conditions are expected through the next 24 hours. Sunrise: 7:14AM · Sunset: 6:36PM.

Alerts

Fire Weather Watch
Expires 1:00 AM
35 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
75°
3%
3 AM
71°
3%
4 AM
70°
3%
5 AM
64°
3%
6 AM
63°
3%
7 AM
65°
3%
8 AM
69°
3%
9 AM
77°
3%
10 AM
81°
3%
11 AM
84°
3%
12 PM
87°
3%
1 PM
94°
3%
2 PM
95°
3%
3 PM
96°
3%
4 PM
94°
3%
5 PM
89°
3%
6 PM
86°
3%
7 PM
84°
3%
8 PM
82°
3%
9 PM
76°
3%
10 PM
76°
3%
11 PM
75°
3%
12 AM
74°
3%
1 AM
74°
3%
7-Day Forecast
Today
96° 62°
Clear.
Fri
84° 50°
Mostly Cloudy.
Sat
73° 40°
Clear.
Sun
73° 38°
Clear.
Mon
82° 42°
Clear.
Tue
86° 48°
Clear.
Wed
88° 50°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 75° Mostly Clear 3% 6 mph S 56%
3 AM 71° Clear 3% 5 mph SSW 60%
4 AM 70° Clear 3% 4 mph SSW 65%
5 AM 64° Clear 3% 4 mph SSW 71%
6 AM 63° Mostly Clear 3% 4 mph SSW 77%
7 AM 65° Mostly Clear 3% 4 mph SSW 75%
8 AM 69° Clear 3% 5 mph SW 68%
9 AM 77° Clear 3% 6 mph SW 61%
10 AM 81° Clear 3% 7 mph SW 52%
11 AM 84° Clear 3% 7 mph SSW 43%
12 PM 87° Clear 3% 7 mph SSW 35%
1 PM 94° Clear 3% 7 mph SSW 31%
2 PM 95° Clear 3% 6 mph SSW 29%
3 PM 96° Clear 3% 6 mph SSW 28%
4 PM 94° Clear 3% 6 mph SSW 30%
5 PM 89° Clear 3% 5 mph S 34%
6 PM 86° Clear 3% 5 mph S 37%
7 PM 84° Clear 3% 4 mph S 40%
8 PM 82° Clear 3% 5 mph SSW 43%
9 PM 76° Clear 3% 5 mph SSW 46%
10 PM 76° Clear 3% 5 mph SSW 49%
11 PM 75° Clear 3% 5 mph SSW 51%
12 AM 74° Clear 3% 5 mph SW 54%
1 AM 74° Clear 3% 5 mph SW 56%
15-Day Forecast
Today
10/15
Clear
3%
62°
96°
Fri
10/16
Mostly Cloudy
7%
50°
84°
Sat
10/17
Clear
3%
40°
73°
Sun
10/18
Clear
3%
38°
73°
Mon
10/19
Clear
8%
42°
82°
Tue
10/20
Clear
8%
48°
86°
Wed
10/21
Clear
3%
50°
88°
Thu
10/22
Clear
18%
50°
89°
Fri
10/23
Drizzle
44%
48°
89°
Sat
10/24
Rain
64%
59°
81°
Sun
10/25
Drizzle
60%
56°
82°
Mon
10/26
Drizzle
60%
54°
78°
Tue
10/27
Clear
60%
53°
79°
Wed
10/28
Drizzle
60%
52°
79°
Thu
10/29
Drizzle
60%
54°
80°
35
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
33 AQI 6.0 µg/m³
O3
Ground-level ozone
Dominant
35 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 35 Good 35 33
Fri 50 Good 49 50
Sat 38 Good 33 38
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Thu Oct 15, 06:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE13 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index7.4
Kinematics
0–6 km Shear3 kt
0–1 km Shear15 kt
Eff. Shear—
0–1 km SRH-53
0–3 km SRH-28
Eff. SRH—
Storm Motion167° @ 23 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index23.8
Thermo & Levels
PWAT1.47 in
0–3 km LR4.0 °C/km
700–500 LR6.3 °C/km
Total Totals38.8
LCL876 hPa
LFC—
EL—
Freezing Lvl15,712 ft