Tag: mst

Official

Red Flag Warning issued June 20 at 4:45AM MST until June 21 at 8:00PM MST by NWS Flagstaff AZ

MST Fri Jun 20 2025/ ...RED FLAG WARNING REMAINS IN EFFECT FROM 8 AM MST /9 AM MDT/ THIS MORNING TO 8 PM MST /9 PM MDT/ SATURDAY FOR GRAND CANYON COUNTRY, KAIBAB PLATEAU, AND MARBLE AND GLEN CANYONS... * AFFECTED AREA...Locations near Alpine, Buffalo Pass, Chinle, Dilkon, Doney Park, Eagar-Springerville, Flagstaff, Forest Lakes, Fredonia, Ganado, Grand Canyon, Heber-Overgaard, Holbrook, Jacob Lake, Kayenta, Kykotsmovi, North Rim, Page, Pinetop-Lakeside, Prescott, Prescott Valley, Saint Johns, Seligman, Shonto, Show Low, Snowflake-Taylor, Tuba City, Valle, Whiteriver, Williams, Window Rock and Winslow. This includes portions of the Apache- Sitgreaves National Forest, Coconino National Forest, Kaibab
Official

Wind Advisory issued June 20 at 4:23AM MST until June 20 at 8:00PM MST by NWS Flagstaff AZ

* WHAT...Southwest winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Navajo Nation in Arizona, and Little Colorado River Valley. * WHEN...From 8 AM MST /9 AM MDT/ this morning to 8 PM MST /9 PM MDT/ this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could snap resulting in a few power outages. Travel will be difficult, especially for high profile vehicles.
Official

Extreme Heat Warning issued June 20 at 4:23AM MST until June 20 at 7:00PM MST by NWS Flagstaff AZ

* WHAT...Dangerously hot conditions below 4000 feet, with daytime temperatures ranging from 99 degrees at Havasupai Gardens, to 109 degrees at Phantom Ranch. * WHERE...Lower elevations of the Grand Canyon. * WHEN...Until 7 PM MST this evening. * IMPACTS...Most individuals will be at risk for heat-related illnesses without effective cooling or adequate hydration, especially with prolonged outdoor exposure.
Official

Extreme Heat Warning issued June 20 at 1:13AM MST until June 20 at 9:00PM MST by NWS Tucson AZ

* WHAT...Dangerously hot conditions with temperatures up to 110 possible in the Tucson metropolitan area, Gila River Valley, and across western and central Pima County including the Tohono O'odham Nation. High temperatures elsewhere will be 100 to 106 degrees. * WHERE...Eastern Cochise County below 5000 feet, South Central Pinal County, Southeast Pinal County, Tohono O'odham Nation, Tucson Metro Area, Upper Gila River Valley, Upper San Pedro River Valley, Upper Santa Cruz River Valley/Altar Valley, and Western Pima County. * WHEN...Until 9 PM MST this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.
Official

Red Flag Warning issued June 20 at 12:43AM MST until June 21 at 8:00PM MST by NWS Phoenix AZ

* AFFECTED AREA...Southern Gila County/Tonto National Forest Foothills. * TIMING...In effect from 8 am MST this morning to 8 pm MST Saturday evening. * WINDS...Southwest 15 to 25 mph with gusts up to 30 to 35 mph. * RELATIVE HUMIDITY...As low as 4 percent. * IMPACTS...Fuels are very dry and fire danger is high. These conditions combined with low relative humidity and strong winds will lead to widespread hazardous fire weather conditions.
Official

Extreme Heat Warning issued June 20 at 12:23AM MST until June 20 at 8:00PM MST by NWS Phoenix AZ

* WHAT...Dangerously hot conditions. Afternoon temperatures 105 to 111. Major Heat Risk. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. * WHERE...A portion of south central Arizona. * WHEN...Until 8 PM MST this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...In Maricopa County, call 2 1 1 to find a free cooling center, transportation, water, and more. https://www.maricopa.gov/heat
Official

Extreme Heat Warning issued June 19 at 5:14AM MST until June 20 at 9:00PM MST by NWS Tucson AZ

* WHAT...For the Thursday through Friday Extreme Heat Warning, dangerously hot conditions with temperatures up to 115 possible in the Tucson metropolitan area, Gila River Valley, and across western and central Pima County including the Tohono O'odham Nation. High temperatures elsewhere will be 102 to 108 degrees. * WHERE...Eastern Cochise County below 5000 feet, South Central Pinal County, Southeast Pinal County, Tohono O'odham Nation, Tucson Metro Area, Upper Gila River Valley, Upper San Pedro River Valley, Upper Santa Cruz River Valley/Altar Valley, and Western Pima County. * WHEN...From 10 AM this morning to 9 PM MST Friday. * IMPACTS...Heat related
Official

Extreme Heat Warning issued June 19 at 4:14AM MST until June 20 at 7:00PM MST by NWS Flagstaff AZ

* WHAT...Dangerously hot conditions below 4000 feet, with daytime temperatures ranging from 105 degrees at Havasupai Gardens, to 115 degrees at Phantom Ranch. * WHERE...Lower elevations of the Grand Canyon. * WHEN...Until 7 PM MST Friday. * IMPACTS...Most individuals will be at risk for heat-related illnesses without effective cooling or adequate hydration, especially with prolonged outdoor exposure.
Official

Red Flag Warning issued June 19 at 2:57AM MST until June 21 at 8:00PM MST by NWS Flagstaff AZ

MST Thu Jun 19 2025/ ...RED FLAG WARNING IN EFFECT FROM 8 AM MST /9 AM MDT/ FRIDAY TO 8 PM MST /9 PM MDT/ SATURDAY DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY FOR MUCH OF NORTHERN ARIZONA... The National Weather Service in Flagstaff has issued a Red Flag Warning due to strong winds and low relative humidity, which is in effect from 8 AM MST /9 AM MDT/ Friday to 8 PM MST /9 PM MDT/ Saturday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Locations near Alpine, Buffalo Pass, Chinle, Dilkon, Doney Park, Eagar-Springerville
Official

Extreme Heat Warning issued June 19 at 1:54AM MST until June 20 at 8:00PM MST by NWS Phoenix AZ

* WHAT...Dangerously hot conditions. Afternoon temperatures 106 to 116. Major Heat Risk. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. * WHERE...A portion of south central Arizona. * WHEN...Until 8 PM MST Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...In Maricopa County, call 2 1 1 to find a free cooling center, transportation, water, and more. https://www.maricopa.gov/heat