Heat Advisory — Zion National Park, UT, South Central Utah, UT, Western Canyonlands, UT 1:00 AM Excessive Heat Warning — Glen Canyon Recreation Area/Lake Powell, UT, Eastern Juab/Millard Counties, UT, Sanpete Valley, UT, Sevier Valley, UT, Castle Country, UT, Great Salt Lake Desert and Mountains, UT, Tooele and Rush Valleys, UT, Western Uinta Basin, UT, Eastern Box Elder County, UT, Northern Wasatch Front, UT, Salt Lake Valley, UT, Utah Valley, UT, Cache Valley/Utah Portion, UT, Zion National Park, UT, South Central Utah, UT, Western Canyonlands, UT 1:00 AM

Zion National Park, Washington County, Utah, United States

Last updated: 1:58 AM CDT  ·  Refresh
23°C
Feels like 22°
Mostly Clear
▲ 30°  /  ▼ 17°
Wind
2 mph NE
Humidity
40%
Dew Point
8°
Pressure
23.81 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
18%
Sunrise
6:31 AM
Sunset
8:43 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Zion National Park is currently mostly clear at 23°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:31AM · Sunset: 8:43PM.

Alerts

Heat Advisory
Zion National Park, UT, South Central Utah, UT, Western Canyonlands, UT
Expires 1:00 AM
Excessive Heat Warning
Glen Canyon Recreation Area/Lake Powell, UT, Eastern Juab/Millard Counties, UT, Sanpete Valley, UT, Sevier Valley, UT, Castle Country, UT, Great Salt Lake Desert and Mountains, UT, Tooele and Rush Valleys, UT, Western Uinta Basin, UT, Eastern Box Elder County, UT, Northern Wasatch Front, UT, Salt Lake Valley, UT, Utah Valley, UT, Cache Valley/Utah Portion, UT, Zion National Park, UT, South Central Utah, UT, Western Canyonlands, UT
Expires 1:00 AM
47 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
11%
1 AM
20°
11%
2 AM
19°
3%
3 AM
19°
3%
4 AM
19°
3%
5 AM
17°
3%
6 AM
17°
3%
7 AM
18°
3%
8 AM
21°
3%
9 AM
22°
3%
10 AM
24°
3%
11 AM
25°
3%
12 PM
26°
3%
1 PM
28°
3%
2 PM
28°
3%
3 PM
28°
14%
4 PM
28°
14%
5 PM
29°
14%
6 PM
28°
15%
7 PM
27°
15%
8 PM
26°
15%
9 PM
23°
15%
10 PM
23°
15%
11 PM
23°
15%
7-Day Forecast
Today
30° 17°
Mostly Clear.
Tue
31° 17°
Partly Cloudy.
Wed
30° 17°
Mostly Clear.
Thu
34° 18°
Clear.
Fri
37° 21°
Clear.
Sat
38° 22°
Clear.
Sun
37° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 23° Mostly Clear 11% 2 mph NE 40%
1 AM 20° Mostly Clear 11% 2 mph ENE 39%
2 AM 19° Mostly Clear 3% 2 mph E 40%
3 AM 19° Mostly Clear 3% 2 mph ENE 41%
4 AM 19° Mostly Clear 3% 2 mph ENE 42%
5 AM 17° Mostly Clear 3% 3 mph NE 43%
6 AM 17° Mostly Clear 3% 2 mph NNE 41%
7 AM 18° Mostly Clear 3% 1 mph S 40%
8 AM 21° Mostly Clear 3% 3 mph SSW 38%
9 AM 22° Clear 3% 7 mph SW 34%
10 AM 24° Clear 3% 9 mph WSW 32%
11 AM 25° Clear 3% 11 mph WSW 30%
12 PM 26° Clear 3% 12 mph WSW 28%
1 PM 28° Clear 3% 13 mph WSW 28%
2 PM 28° Clear 3% 13 mph WSW 26%
3 PM 28° Mostly Clear 14% 14 mph WSW 27%
4 PM 28° Mostly Clear 14% 14 mph WSW 27%
5 PM 29° Partly Cloudy 14% 14 mph WSW 27%
6 PM 28° Partly Cloudy 15% 11 mph WSW 31%
7 PM 27° Partly Cloudy 15% 9 mph W 36%
8 PM 26° Partly Cloudy 15% 9 mph W 40%
9 PM 23° Partly Cloudy 15% 8 mph W 40%
10 PM 23° Mostly Clear 15% 6 mph W 40%
11 PM 23° Mostly Clear 15% 6 mph W 39%
15-Day Forecast
Today
7/27
Mostly Clear
15%
17°
30°
Tue
7/28
Partly Cloudy
19%
17°
31°
Wed
7/29
Mostly Clear
17%
17°
30°
Thu
7/30
Clear
3%
18°
34°
Fri
7/31
Clear
8%
21°
37°
Sat
8/1
Clear
8%
22°
38°
Sun
8/2
Clear
8%
22°
37°
Mon
8/3
Clear
18%
21°
37°
Tue
8/4
Drizzle
44%
22°
37°
Wed
8/5
Drizzle
44%
19°
31°
Thu
8/6
Drizzle
60%
19°
30°
Fri
8/7
Drizzle
60%
19°
29°
Sat
8/8
Drizzle
60%
19°
29°
Sun
8/9
Drizzle
60%
18°
28°
Mon
8/10
Drizzle
60%
18°
28°
47
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 4.9 µg/m³
O3
Ground-level ozone
Dominant
47 AQI 52 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 47 Good 47 27
Tue 51 Moderate 51 27
Wed 50 Good 50 28
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 Mon Jul 27, 05:00'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
MLCAPE4 J/kg
MUCAPE0 J/kg
SBCIN-4600 J/kg
MLCIN0 J/kg
Lifted Index2.4
Kinematics
0–6 km Shear20 kt
0–1 km Shear13 kt
Eff. Shear—
0–1 km SRH-58
0–3 km SRH4
Eff. SRH—
Storm Motion147° @ 17 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado-0.0
STP (eff)—
Supercell—
K-Index—
Thermo & Levels
PWAT1.00 in
0–3 km LR6.8 °C/km
700–500 LR7.3 °C/km
Total Totals—
LCL649 hPa
LFC—
EL—
Freezing Lvl11,050 ft