Weather Forecast for Flagstaff

Arizona, United States of America

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Light snow

Current Weather - Flagstaff: -2°C

Arizona, United States of America

Light snow

Feels like -9°C

Wind

36 km/h SW

Humidity

85%

Pressure

1005 mb

UV Index

0

Visibility

1 km

Moderate or heavy snow showers

Moderate or heavy snow showers

Wednesday, February 18, 2026

High

-1°C

Low

-5°C

Rain Chance

83%

Hourly Forecast

Cloudy -5°C
22:00
Partly Cloudy -6°C
23:00
Feb 19

Day Statistics

Maximum Wind

52 km/h

Humidity

94%

Precipitation

43 mm

UV Index

0

Visibility

2 km

Rain Chance

83%

Snow Chance

31%

Sun & Moon

Sunrise

07:09 AM

Sunset

06:12 PM

Moonrise

07:49 AM

Moonset

07:45 PM

Moon Phase

Waxing Crescent

Moon Illumination

0%

Air Quality

PM2.5

2.9

μg/m³

PM10

12.4

μg/m³

NO₂

2.3

μg/m³

O₃

98

μg/m³

SO₂

1.6

μg/m³

CO

151.7

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Weather Alerts

Winter Weather Advisory issued February 18 at 5:17AM MST until February 18 at 7:00PM MST by NWS Flagstaff AZ

Grand Canyon Country; Coconino Plateau; Yavapai County Mountains Feb 18, 05:17 AM - Feb 18, 07:00 PM
Severity: Moderate Urgency: Expected

* WHAT...Snow expected. Total snow accumulations 1 to 5 inches. Winds gusting as high as 60 mph. * WHERE...Coconino Plateau, Grand Canyon Country, and Yavapai County Mountains. * WHEN...Until 7 PM MST this evening. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Periods of moderate to heavy snowfall will create snow-covered roads and hazardous driving conditions. The hazardous conditions will impact the Wednesday morning and evening commutes. Strong winds could cause extensive damage to trees and power lines. * ADDITIONAL DETAILS... Forecast snowfall amounts from 5 AM MST Today to 7 PM MST Today... Chino Valley: 0" GCNP South Rim: 2 to 4" GCNP North Rim: 6 to 8" Prescott Valley: 1 to 2" Prescott: 1 to 2" Seligman: 1 to 2" Valle: 2 to 4"

Slow down and use caution while traveling. For the latest road conditions and closures go to az511.gov, or call 5 1 1.

Event: Winter Weather Advisory Certainty: Likely Category: Met

Winter Storm Warning issued February 18 at 5:17AM MST until February 18 at 8:00PM MST by NWS Flagstaff AZ

Kaibab Plateau; Western Mogollon Rim; Eastern Mogollon Rim Feb 18, 05:17 AM - Feb 18, 07:15 PM
Severity: Severe Urgency: Expected

* WHAT...For the Winter Storm Warning, heavy snow expected along with blowing snow. Total snow accumulations between 4 to 10 inches. Winds gusting as high as 65 mph. For the Winter Storm Watch, heavy snow possible. Total snow accumulations between 3 and 9 inches possible. Winds could gust as high as 45 mph. * WHERE...Mogollon Rim, and Kaibab Plateau. * WHEN...For the Winter Storm Warning, until 8 PM MST this evening. For the Winter Storm Watch, from Thursday afternoon through Friday morning. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel is not recommended as heavy snowfall and low visibility will create dangerous driving conditions. Widespread blowing snow could significantly reduce visibility. The hazardous conditions will impact the Wednesday morning and evening commutes. Very strong winds could cause extensive damage to trees and power lines. Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS... Forecast snowfall amounts from 5 AM MST Today to 8 PM MST Today... Forest Lakes: 6 to 8" Fredonia: 1 to 2" Doney Park: 4 to 6" Flagstaff: 6 to 8" Munds Park: 6 to 10" Pine-Strawberry: 4 to 6" Williams: 5 to 8" Heber-Overgaard: 1 to 2" Jacob Lake: 6 to 8"

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For the latest road conditions and closures go to az511.gov, or call 5 1 1. Persons should consider delaying all travel. Motorists should use extreme caution if travel is absolutely necessary. Monitor the latest forecasts for updates on this situation.

Event: Winter Storm Warning Certainty: Likely Category: Met

Winter Storm Watch issued February 18 at 5:17AM MST until February 20 at 11:00AM MST by NWS Flagstaff AZ

Kaibab Plateau; Western Mogollon Rim; Eastern Mogollon Rim Feb 18, 05:17 AM - Feb 18, 07:15 PM
Severity: Severe Urgency: Future

* WHAT...For the Winter Storm Warning, heavy snow expected along with blowing snow. Total snow accumulations between 4 to 10 inches. Winds gusting as high as 65 mph. For the Winter Storm Watch, heavy snow possible. Total snow accumulations between 3 and 9 inches possible. Winds could gust as high as 45 mph. * WHERE...Mogollon Rim, and Kaibab Plateau. * WHEN...For the Winter Storm Warning, until 8 PM MST this evening. For the Winter Storm Watch, from Thursday afternoon through Friday morning. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel is not recommended as heavy snowfall and low visibility will create dangerous driving conditions. Widespread blowing snow could significantly reduce visibility. The hazardous conditions will impact the Wednesday morning and evening commutes. Very strong winds could cause extensive damage to trees and power lines. Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS... Forecast snowfall amounts from 5 AM MST Today to 8 PM MST Today... Forest Lakes: 6 to 8" Fredonia: 1 to 2" Doney Park: 4 to 6" Flagstaff: 6 to 8" Munds Park: 6 to 10" Pine-Strawberry: 4 to 6" Williams: 5 to 8" Heber-Overgaard: 1 to 2" Jacob Lake: 6 to 8"

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For the latest road conditions and closures go to az511.gov, or call 5 1 1. Persons should consider delaying all travel. Motorists should use extreme caution if travel is absolutely necessary. Monitor the latest forecasts for updates on this situation.

Event: Winter Storm Watch Certainty: Possible Category: Met

High Wind Warning issued February 18 at 5:09AM MST until February 18 at 7:00PM MST by NWS Flagstaff AZ

Little Colorado River Valley in Coconino County; Little Colorado River Valley in Navajo County; Little Colorado River Valley in Apache County; White Mountains; Northeast Plateaus and Mesas South of Hwy 264 Feb 18, 05:09 AM - Feb 18, 07:00 PM
Severity: Severe Urgency: Expected

* WHAT...Southwest winds 35 to 45 mph with gusts up to 65 mph expected. * WHERE...Little Colorado River Valley, Painted Desert, and White Mountains. * WHEN...Until 7 PM MST this evening. * IMPACTS...Damaging winds could blow down trees and power lines. A few power outages are possible. Travel will be difficult, especially for high profile vehicles. Gusty winds will blow around unsecured objects.

Event: High Wind Warning Certainty: Likely Category: Met