PHOENIX — Strong storms are expected in Arizona, bringing rain, wind, and thunderstorms.
The storm threat is due to a boost in moisture from Tropical Storm Hilary, with various impacts expected across Arizona.
WHAT TO EXPECT: Hilary expected to bring surge of moisture to AZ
Flood Watches are in effect through Monday for all of western Arizona.
Here are the latest updates to know about this weekend's storm system:
12:15 p.m.
8:47 a.m.
32 flights have been canceled to and from Sky Harbor already on Monday. More than 50 additional flights were delayed as of 8:45 a.m.
7:57 am.
7:52AM MST Radar Update: Rain showers continue to stream north across Arizona. Expect mostly light precipitation to continue for the next few hours. #azwx pic.twitter.com/N6lzOtX3jd
— NWS Flagstaff (@NWSFlagstaff) August 21, 2023
Monday, Aug. 21, 5:41 a.m.
Chance of strong/severe thunderstorms across south-central Arizona today. #azwx pic.twitter.com/fq4EdIuHbh
— NWS Phoenix (@NWSPhoenix) August 21, 2023
Sunday, Aug. 20, 8:27 p.m.
8:00 p.m.
8pm: Winds have started to weaken in some areas. However, a large area of Wind Warnings and Advisories remains in effect through at least this evening (into Monday some areas). Thus, hazardous travel continues across southern CA and portions of AZ. #cawx #azwx pic.twitter.com/yO8Ke6BixR
— NWS Phoenix (@NWSPhoenix) August 21, 2023
7:00 p.m.
7pm: Fast moving repeat thunderstorms are tracking northwestward over portions of Gila County. Expect this to continue for at least another hour. Affected areas include, but are not limited to, the San Carlos Reservation and Globe. #azwx pic.twitter.com/Px18v4PrvY
— NWS Phoenix (@NWSPhoenix) August 21, 2023
3:51 p.m.
Dust is crossing I-10 near Phoenix (SR 85). Do not drive into dust storms. pic.twitter.com/wbHY7SDh8D
— Arizona DOT (@ArizonaDOT) August 20, 2023
2:30 p.m.
1:43 p.m.
Multiple threats from Tropical Storm Hilary including high winds, flash flooding, and severe weather continue across our region through tonight. Please take action if any warnings are issued for your area! #azwx pic.twitter.com/XMngy4VUdJ
— NWS Phoenix (@NWSPhoenix) August 20, 2023
1:35 p.m.
12:40 PM MST: Strong winds have been recorded in the Yuma area. Winds are currently gusting over 60 mph with reduced visibilities being observed due to blowing dust. A Blowing Dust Advisory is now in effect. #azwx pic.twitter.com/q6gDYTLatT
— NWS Phoenix (@NWSPhoenix) August 20, 2023
12:11 p.m.
Latest flight delays and cancelations Sunday according to Flight Aware:
Total delays today at Phoenix Sky Harbor Intl: 69
Total delays within, into, or out of the United States today at Phoenix Sky Harbor Intl: 69
Total cancellations today at Phoenix Sky Harbor Intl: 130
11:48 a.m.
Tropical Storm #Hilary Advisory 17A: Hilary Makes Landfall Over the Northern Baja California Peninsula. Catastrophic and Life-Threatening Flooding Likely Over Baja California and Portions of the Southwestern U. S. Through Monday. https://t.co/Oy8uoeSibM
— NHC Eastern Pacific (@NHC_Pacific) August 20, 2023
11:07 a.m.
The flood watch has been expanded to include parts of the rim, see the graphic below.
9:07 a.m.
Hilary has weakened to a Tropical Strom and is expected to make it into SoCal this afternoon. Expect periods of heavy rain; areas of flooding especially in the mtns and deserts; and strong winds especially in San Diego Co, east Inland Empire, mtns, and deserts. Be safe!#CAwx pic.twitter.com/TNXEfzFgV4
— NWS San Diego (@NWSSanDiego) August 20, 2023
7:51 a.m.
More than 170 flights cancelled out of Phoenix Sky Harbor since Sat. I saw more flights get cancelled during my time at the airport this morning.
— Elenee Dao (@Elenee_Dao) August 20, 2023
Some of those cancelled flights were in #HurricaneHilary's path in CA & Las Vegas. @abc15 pic.twitter.com/pIBuhrKdNi
6:38 a.m.
Phoenix waking up to some scattered, light showers this morning.
— Iris Hermosillo (@IrisABC15) August 20, 2023
Showers & storms will be possible throughout the day, but the best storm chances in Phoenix come this evening and tonight. It could also be a stormy Monday morning commute.
Stay weather aware. #abc15wx #azwx pic.twitter.com/wQOFyWz8R2
6:10 a.m.
530 am | Radar Update: Isolated showers will continue early this morning across south-central Arizona. Further west, heavier rain is expected to develop later this morning across portions of southeastern California. #azwx #cawx pic.twitter.com/snCUxPdfdc
— NWS Phoenix (@NWSPhoenix) August 20, 2023
5:37 a.m.
Saturday, Aug. 19, 10:02 p.m.
Dangerous to locally catastrophic flooding is expected Sunday over southern CA and western AZ (esp. over/near rugged terrain). Residents should be finishing preparations as soon as possible. If you have travel plans through this area, please consider changing them. #cawx #azwx pic.twitter.com/ojfMn3TdNy
— NWS Phoenix (@NWSPhoenix) August 20, 2023
8:30 p.m.
830pm: Areas of light showers are tracking over southwest AZ and far southeast CA. Embedded heavier showers will start to develop toward morning and increase in coverage/intensity by late morning Sunday. Far less coverage is anticipated over south-central AZ. #cawx #azwx pic.twitter.com/ku6q5sZs0m
— NWS Phoenix (@NWSPhoenix) August 20, 2023
4:15 p.m.
Lake Mead National Recreation Area officials announce a complete closure of the park to recreational use, effective at 5 p.m. The closure will remain in place through at least Monday.
Lake Mead National Recreation Area officials announce closure order for the park https://t.co/GF2gQS5ue6
— AzEIN 📢 (@AzEIN) August 19, 2023
4:00 p.m.
Wind gusts will increase Sunday associated with rain bands from the passage of Hilary. East winds gusting 55-65 mph may be possible along and south of I-8 in SE California and SW Arizona, while other areas gust 40-50 mph Sunday afternoon and evening west of Phoenix. #azwx #cawx pic.twitter.com/3hcNd03FVt
— NWS Phoenix (@NWSPhoenix) August 19, 2023
3:09 p.m.
309pm: Flooding potential increases Sunday as a weakened form of Hurricane Hilary moves through (focused over CA). The map shows the potential for excessive rain from 5am Sunday through 5am Monday. Note, localized heavy rain can occur even in the green areas (2) #cawx #azwx pic.twitter.com/qmS1vZVsd9
— NWS Phoenix (@NWSPhoenix) August 19, 2023
3:00 p.m.
300pm: The map highlights the risk areas for excessive rainfall through 5am Sunday. We have already had heavy rain in portions of the red and yellow areas earlier today. There may be some renewed activity later today. (1) #cawx #azwx pic.twitter.com/y3iWnpS4Iu
— NWS Phoenix (@NWSPhoenix) August 19, 2023
10:50 a.m.
Mostly shower activity continues across the western areas. Shower and thunderstorm activity as far east as Gila Bend are lifting north and weakening. Rain amounts for lower desert areas in SW AZ/SE CA ranging from 0.10-0.75", with higher amounts in higher terrain thus far. pic.twitter.com/SuFmpBqBzX
— NWS Phoenix (@NWSPhoenix) August 19, 2023
7:47 a.m.
A special weather statement has been issued for Gila Bend AZ, Theba AZ and Aztec AZ until 8:30 AM MST pic.twitter.com/p3SEzD58oa
— NWS Phoenix (@NWSPhoenix) August 19, 2023
5:29 a.m.
525am: Well, that escalated quickly. Storms erupting across much of SE CA & far SW AZ. Flash Flood Warnings west of El Centro where over 2" of rain has fallen in just over the past hour. Another cluster of storms heading towards Yuma the next 1-2 hours. #cawx #azwx pic.twitter.com/15gFuXLSNp
— NWS Phoenix (@NWSPhoenix) August 19, 2023
Friday, Aug. 18, 8:12 a.m.
Tropical Storm Watches issued as far north as the Orange County/Los Angeles County line 🌀
— Jorge Torres (@JorgeTWeather) August 18, 2023
This is the first time NHC has
issued a watch for that region.
TS Watch means tropical storm conditions are possible within the watch area, generally within 48 hours. #Hilary pic.twitter.com/3AQsvY0gqs
Friday, Aug. 18, 7:44 a.m.
Strong to severe thunderstorms will be possible later this afternoon and evening across parts of south-central and southwest Arizona. Damaging wind gusts, blowing dust, and localized flooding will be the primary concerns. #azwx pic.twitter.com/Ev2DcJRpat
— NWS Phoenix (@NWSPhoenix) August 18, 2023
Friday, Aug 18, 6:53 a.m.
Morning look at #Hilary, now a Cat 4 with sustained winds of 145 mph 🌀
— Jorge Torres (@JorgeTWeather) August 18, 2023
Massive weekend impacts for southern California and western Arizona expected… pic.twitter.com/KZuYb77dqW
Thursday, Aug. 17, 9:33 p.m.
Our #Phoenix dry streak is FINALLY over!
— Amber Sullins (@AmberSullins) August 18, 2023
As of 9:30 pm, we've picked up 0.02" of rain at Sky Harbor ending a 147-day dry streak and marking the latest first #monsoon rain ever on record.
More to come in the days ahead!#abc15 #abc15wx #azwx #az #wx #arizona #weather #azmonsoon pic.twitter.com/yxdmAUU95S
