Weather Forecast for Zion National Park

Utah, United States of America

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Sunny

Current Weather - Zion National Park: 24°C

Utah, United States of America

Sunny

Feels like 23°C

Wind

30 km/h SSE

Humidity

24%

Pressure

1009 mb

UV Index

8

Visibility

10 km

Sunny

Sunny

Thursday, May 28, 2026

High

28°C

Low

11°C

Rain Chance

0%

Hourly Forecast

Sunny 19°C
20:00
Clear 15°C
21:00
Clear 13°C
22:00
Clear 12°C
23:00
May 29

Day Statistics

Maximum Wind

36 km/h

Humidity

27%

Precipitation

0 mm

UV Index

10

Visibility

10 km

Rain Chance

0%

Snow Chance

0%

Sun & Moon

Sunrise

06:14 AM

Sunset

08:43 PM

Moonrise

06:50 PM

Moonset

04:19 AM

Moon Phase

Waxing Gibbous

Moon Illumination

96%

Air Quality

PM2.5

6.8

μg/m³

PM10

16.3

μg/m³

NO₂

1.3

μg/m³

O₃

108.5

μg/m³

SO₂

1

μg/m³

CO

116.5

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Solar Radiation Data

Shortwave Radiation

477.31

Diffuse Radiation

63.73

DNI

821.34

GTI

435.67

Weather Alerts

Red Flag Warning issued May 28 at 7:05AM MDT until May 28 at 9:00PM MDT by NWS Salt Lake City UT

Henry Mountains; Grand Staircase May 28, 07:05 AM - May 28, 09:00 PM
Severity: Severe Urgency: Expected

* AFFECTED AREA...Fire Weather Zone 494 Henry Mountains and Fire Weather Zone 498 Grand Staircase. * WINDS...South 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 8-10 percent. * IMPACTS...Critical fire weather conditions are expected. Any new fire starts or existing fires may spread rapidly.

A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.

Event: Red Flag Warning Certainty: Likely Category: Met