Active Weather Alerts
Flash Flood Warning
Issued: 2:04 AM Aug. 21, 2025 – National Weather Service
The National Weather Service in Tucson has issued a * Flash Flood Warning for... Northeastern Pima County in southeastern Arizona... * Until 900 PM MST. * At 704 PM MST, Doppler radar indicated thunderstorms producing heavy rain over Dove Mountain and Marana. Between 1 and 2 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Marana, Tortolita and Dove Mountain. This includes Interstate 10 between mile markers 236 and 242. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. Remain alert for flooding even in locations not receiving rain. Washes, streams, and rivers can become raging killer currents in a matter of minutes, even from distant rainfall. && FLASH FLOOD...RADAR INDICATED; FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
Dust Storm Warning
Issued: 2:04 AM Aug. 21, 2025 – National Weather Service
The National Weather Service in Tucson has issued a * Dust Storm Warning for... North Central Pima County in southeastern Arizona... Southwestern Pinal County in southeastern Arizona... * Until 800 PM MST. * At 655 PM MST, an area of blowing dust was located near Pinal Airpark, moving northwest at 25 mph. HAZARD...Less than a quarter mile visibility. SOURCE...Detected by National Weather Service meteorologists. IMPACT...Dangerous life-threatening travel. * Locations impacted include... Marana, Eloy, Avra Valley, Picacho, Picacho Peak State Park, Pinal Airpark, Red Rock, Shopishk and East Chui-Chu. This includes the following highways... Route 87 between mile markers 116 and 124. Interstate 10 between mile markers 205 and 233. PRECAUTIONARY/PREPAREDNESS ACTIONS... Motorists should not drive into a dust storm. PULL ASIDE STAY ALIVE! &&
Flood Advisory
Issued: 1:38 AM Aug. 21, 2025 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 845 PM MST THIS EVENING... * WHAT...Urban area and small stream flooding caused by excessive rainfall is expected. * WHERE...A portion of South Central Arizona, including the following county, northern Pima. * WHEN...Until 845 PM MST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. * ADDITIONAL DETAILS... - At 638 PM MST, Doppler radar indicated heavy rain due to thunderstorms on the northwest side of Tucson centered from Dove Mountain eastward into Oro Valley. This will cause urban and small stream flooding. Between 0.5 and 1 inch of rain has fallen. - This includes the following streams and drainages... Chalk Creek, Big Wash, Sutherland Wash, Santa Cruz River, Oro, Cañada del and Indian Well Wash. Additional rainfall amounts up to 0.5 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Catalina, Oro Valley, Marana, Casas Adobes, Tortolita, Catalina State Park, Picture Rocks and Dove Mountain. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. &&
Extreme Heat Warning
Issued: 8:26 PM Aug. 20, 2025 – National Weather Service
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST FRIDAY... * WHAT...Dangerously hot conditions with temperatures ranging from 105 to 110 across much of Pima and southeastern Pinal counties leading to Major Heat Risk. In other areas of southeastern Arizona, high temperatures will range from 100 to 105 degrees. * WHERE...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 8 PM MST Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Major Heat Risk is when heat will affect anyone without cooling or hydration as well as health systems and industries. PRECAUTIONARY/PREPAREDNESS ACTIONS... To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible and drink plenty of water. &&
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