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

Zion National Park, Washington County, Utah, United States

Last updated: 2:27 AM CDT  ·  Refresh
22°C
Feels like 20°
Clear
▲ 33°  /  ▼ 18°
Wind
5 mph NNW
Humidity
34%
Dew Point
6°
Pressure
23.85 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
5%
Sunrise
6:41 AM
Sunset
8:32 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Zion National Park is currently clear at 22°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 525 J/kg) — isolated convective development possible. Sunrise: 6:41AM · Sunset: 8:32PM.

Alerts

Excessive Heat Warning
Great Salt Lake Desert and Mountains, UT, Tooele and Rush Valleys, UT, Northern Wasatch Front, UT, Salt Lake Valley, UT, Western Millard and Juab Counties, UT, Castle Country, UT, San Rafael Swell, UT, Lower Washington County, UT, Zion National Park, UT, Glen Canyon Recreation Area/Lake Powell, UT, South Central Utah, UT, Capitol Reef National Park and Vicinity, UT, Western Canyonlands, UT, Eastern Box Elder County, UT, Utah Valley, UT, Cache Valley/Utah Portion, UT, Western Uinta Basin, UT, Eastern Juab/Millard Counties, UT, Sanpete Valley, UT, Sevier Valley, UT, Southwest Utah, UT, Upper Sevier River Valleys, UT, Bryce Canyon Country, UT
Expires 1:00 AM
77 AQI · Moderate Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
22°
11%
2 AM
20°
3%
3 AM
20°
3%
4 AM
20°
3%
5 AM
19°
3%
6 AM
17°
3%
7 AM
18°
3%
8 AM
20°
3%
9 AM
22°
3%
10 AM
26°
3%
11 AM
27°
3%
12 PM
28°
8%
1 PM
29°
8%
2 PM
31°
17%
3 PM
31°
19%
4 PM
31°
19%
5 PM
31°
20%
6 PM
33°
20%
7 PM
31°
20%
8 PM
29°
21%
9 PM
28°
19%
10 PM
25°
9%
11 PM
25°
9%
12 AM
24°
3%
7-Day Forecast
Today
33° 18°
Partly Cloudy with a 20% chance of rain.
Sun
33° 18°
Clear with a 20% chance of rain.
Mon
32° 18°
Mostly Clear with a 30% chance of rain.
Tue
30° 17°
Clear with a 37% chance of rain.
Wed
32° 17°
Rain, 64% chance.
Thu
30° 17°
Rain, 70% chance.
Fri
29° 16°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 22° Clear 11% 5 mph NNW 34%
2 AM 20° Clear 3% 5 mph N 32%
3 AM 20° Clear 3% 5 mph N 33%
4 AM 20° Mostly Clear 3% 3 mph N 35%
5 AM 19° Mostly Clear 3% 4 mph NNW 37%
6 AM 17° Mostly Clear 3% 3 mph NNW 38%
7 AM 18° Mostly Clear 3% 3 mph NW 36%
8 AM 20° Mostly Clear 3% 2 mph WNW 33%
9 AM 22° Mostly Clear 3% 3 mph WSW 30%
10 AM 26° Partly Cloudy 3% 7 mph WSW 27%
11 AM 27° Partly Cloudy 3% 10 mph WSW 24%
12 PM 28° Partly Cloudy 8% 11 mph WSW 22%
1 PM 29° Partly Cloudy 8% 12 mph WSW 20%
2 PM 31° Mostly Clear 17% 13 mph WSW 19%
3 PM 31° Mostly Clear 19% 13 mph WSW 18%
4 PM 31° Partly Cloudy 19% 11 mph W 18%
5 PM 31° Partly Cloudy 20% 9 mph W 18%
6 PM 33° Partly Cloudy 20% 8 mph W 19%
7 PM 31° Partly Cloudy 20% 6 mph WNW 22%
8 PM 29° Partly Cloudy 21% 4 mph NW 25%
9 PM 28° Partly Cloudy 19% 4 mph N 27%
10 PM 25° Partly Cloudy 9% 5 mph N 28%
11 PM 25° Partly Cloudy 9% 5 mph N 29%
12 AM 24° Partly Cloudy 3% 6 mph N 30%
15-Day Forecast
Today
8/8
Partly Cloudy
20%
18°
33°
Sun
8/9
Clear
20%
18°
33°
Mon
8/10
Mostly Clear
30%
18°
32°
Tue
8/11
Clear
37%
17°
30°
Wed
8/12
Rain
64%
17°
32°
Thu
8/13
Rain
70%
17°
30°
Fri
8/14
Rain
63%
16°
29°
Sat
8/15
Rain
69%
16°
30°
Sun
8/16
Drizzle
44%
18°
32°
Mon
8/17
Drizzle
51%
18°
33°
Tue
8/18
Drizzle
60%
17°
31°
Wed
8/19
Drizzle
60%
16°
26°
Thu
8/20
Drizzle
60%
16°
27°
Fri
8/21
Drizzle
60%
16°
27°
Sat
8/22
Drizzle
60%
16°
27°
77
Moderate
U.S. Air Quality Index · Dominant: O3
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
39 AQI 7.1 µg/m³
O3
Ground-level ozone
Dominant
77 AQI 63 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 77 Moderate 77 39
Sun 67 Moderate 67 38
Mon 64 Moderate 64 23
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 Sat Aug 8, 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
MLCAPE134 J/kg
MUCAPE313 J/kg
SBCIN-5276 J/kg
MLCIN0 J/kg
Lifted Index1.8
Kinematics
0–6 km Shear8 kt
0–1 km Shear9 kt
Eff. Shear20 kt
0–1 km SRH5
0–3 km SRH18
Eff. SRH29
Storm Motion76° @ 15 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.1
K-Index—
Thermo & Levels
PWAT0.81 in
0–3 km LR6.7 °C/km
700–500 LR8.6 °C/km
Total Totals—
LCL634 hPa
LFC—
EL—
Freezing Lvl10,581 ft