WILLIAMS, AZ — Drivers are being cautioned about driving on Interstate 40 in Arizona's high country. On Wednesday morning, the Arizona Department of Transportation announced multiple crashes and disabled vehicles near Williams, Arizona.
Winter Storm Warnings have been issued for elevations above 6,500 feet on Wednesday, including Flagstaff, the Kaibab Plateau, and the Mogollon Rim.
Flagstaff could see 6 to 8 inches of snow and wind gusts at nearly 60 mph, leading to blowing snow and low visibility.
Click here to view live radar as winter storms move through Arizona.
Here are the latest updates about this round of winter weather:
5:37 p.m.
All southbound lanes of Interstate 17 have reopened south of Munds Park, according to ADOT.
UPDATE: All lanes are now open. Expect continued delays while the queue clears.
— Arizona DOT (@ArizonaDOT) February 19, 2026
4:45 p.m.
A water conservation alert has been issued in the City of Holbook, officials released the following statement:
"Due to high winds, power to the City’s water wells is expected to be interrupted for several hours today.
During this time, we kindly ask all residents to conserve water to help ensure we do not experience a water shortage.
Please limit non-essential water use (such as outdoor watering, car washing, or filling large containers) until power is restored.
Thank you for your cooperation and for helping keep water available for the entire City of Holbrook community."
4:22 p.m.
*CLOSURE*
— Arizona DOT (@ArizonaDOT) February 18, 2026
I-17 southbound is closed near Munds Park due to a crash at milepost 313.
Expect delays. There is no estimated time to reopen.
For real-time traffic info, check https://t.co/l4s0AFGOpz and the AZ511 app:
Apple: https://t.co/YMcnUEeWQs
Android: https://t.co/9oINS4ymQP pic.twitter.com/kFrzw5qokG
3:40 p.m.
Snow is still coming down on I-17 in parts of the high country. ADOT is reporting crashes in the area, but the interstate remains open. They ask drivers to give themselves extra time or to delay any travel plans.
Snow is still coming down on I-17 south of Munds Park. Some crashes have been reported, but the roadway is open. Our plows are out working around the clock. Please give yourself extra travel time or consider delaying travel. pic.twitter.com/Fz1vwsLqcB
— Arizona DOT (@ArizonaDOT) February 18, 2026
1:05 p.m.
All City of Show Low facilities will be closed until further notice due to the severe wind event. Please be safe!
If we are able to open facilities again today, the public will be notified immediately. If not, city facilities will reopen on Thursday, February 19th, 2026, at regularly scheduled hours. 📢🚨
12:30 p.m.
Power outage in Show Low:
Severe weather in the area has damaged equipment. We are working to restore power as quickly and safely as possible.
Boundary: Lumbermans Loop To Sierra Park Trail And 31St Drive To Hwy. 77
11:30 a.m.
Snowbowl announces it is closed for the rest of the day on Wednesday.
"Due to significant continued high winds across the mountain, Snowbowl will be closed for the remainder of the day, February 18, 2026. All guests with lift tickets, rentals, or lesson purchases will be credited. If you have any questions, please reach out to customerservice@snowbowl.ski."
10:06 a.m.
I-40 near Williams: We now have multiple crashes and a disabled vehicle in the westbound lanes between MPs 160 and 170.
— Arizona DOT (@ArizonaDOT) February 18, 2026
Keep your speed down if traveling thorugh this area.
For snow travel tips, go to https://t.co/p7lfSISK3U. pic.twitter.com/OK6dRwdsxm
9:43 a.m.
Heads up if you're on US 180. Winter driving conditions continue throughout Northwestern Arizona.
— Arizona DOT (@ArizonaDOT) February 18, 2026
It bears repeating:
❄️Plan your route in advance.
❄️Notify someone of your route, destination and arrival time.
❄️Keep your fuel tank 3/4 full.
MORE: https://t.co/j04gqUe5Fm https://t.co/9IzwvDUGGk
5:23 a.m.
⚠️ EXTREME CAUTION if traveling to the high country
— Jorge Torres (@JorgeTWeather) February 18, 2026
Heavy snow + 50+ mph gusts
White-out conditions possible mid-day
Slick, icy roads likely through tonight. pic.twitter.com/4aFBZb1xqf
❄️ Snow will pile up in the high country
— Jorge Torres (@JorgeTWeather) February 18, 2026
6-8" possible in Flagstaff
5-8" near Williams
Snow levels dropping to 4,000–5,000 ft
Winter driving conditions expected on I-17 & I-40. pic.twitter.com/wBPPfgC6bn
5:20 a.m.
The weather conditions have led to the closure of Flagstaff Unified School District schools on Wednesday.
Tuesday evening
