UPDATE - Monday 8:45 AM
State Route 89A, which was closed overnight between Sedona and I-17 because of heavy snow, has reopened, according to the Arizona Department of Transportation.
ADOT is operating snow plows throughout northern Arizona. Drivers are encouraged to check weather conditions before beginning travel.
UPDATE - Monday 7 AM
Interstate 17 northbound reopened between State Route 179 and Flagstaff after winter weather caused it to close early Sunday night, according to the Arizona Department of Transportation. ADOT crews continue to monitor the roadway and weather conditions. State Route 89A was also closed between Sedona and Interstate 17 because of heavy snow and icy roads. It remains closed.
ADOT is operating nearly 80 snow plows throughout northern Arizona, working to clear the snow off the state's highways. However, drivers should expect winter driving conditions throughout northern Arizona and can visit www.azdot.gov/KnowSnow for winter driving tips.
PHOENIX - Interstate 17 Northbound is closed between State Route 179 and Flagstaff because of winter weather conditions, according to the Arizona Department of Transportation. Heavy snow, crashes, and vehicles sliding off the road have contributing to the Interstate 17 closure. ADOT is operating snow plows throughout northern Arizona working first to clear major highways, but drivers are encouraged to postpone travel until conditions improve.
Before heading out on the roads, drivers may call 5-1-1 or log on to ADOT's Traveler Information Center at www.az511.gov for the latest highway conditions around the state. As conditions change, ADOT will inform drivers via the media, roadway message boards, www.az511.gov and on Twitter @ArizonaDOT.