Arizona Winter Forecast 2026–27: Snow, Cold & First Snow
Phoenix rarely sees snow — here's what winter actually brings, NOAA's Dec–Feb outlook for the state, and where the state's real snow falls.
Measurable snow is rare in Phoenix — winter here means freezes, not flakesThe Arizona snow season at a glance
NOAA 1991–2020 normals · PhoenixNo snow-season ribbon for Phoenix: it records measurable snow so rarely that there is no meaningful median date. The snow belt section below covers where Arizona actually gets winter.
Flagstaff is one of the snowiest cities in America at ~95 in a year, two hours up I-17 from a Phoenix that has never recorded more than an inch.
What NOAA's 2026–27 winter outlook means for Arizona
NOAA's Climate Prediction Center issues a probability tilt — above, below, or equal chances — for temperature and precipitation, three months at a time. It is the only government seasonal forecast that exists, and it does not, and cannot, forecast snowfall totals or specific storms.
Where this tilt comes from: Each state's tilt here is read straight off CPC's official Dec–Feb probability map, at the three reference cities listed on that state's page. CPC forecasts by region, not by state: its probability bands cross state lines, so where a state's three cities land in different bands the tilt shows as equal chances. Check any state against CPC's own map. See CPC's official Dec–Feb outlook map →
What it means for snow: This is a rain, not snow, outlook for your area — measurable snow is rare enough here that a seasonal tilt says little about it.
Southwest context. The wet signal is real: Arizona, New Mexico, Texas and Oklahoma are all tilted toward above-normal precipitation, with probabilities above 50% in southern Arizona and peaking in late winter (Jan–Mar). Temperature is equal chances across Arizona, New Mexico and Texas; only Oklahoma leans milder. For Texas and Oklahoma, wet winters are the ice-storm setup worth preparing for — the cold does not have to be unusual, only timely.
Snow on the ground in Arizona right now
| City | Snow depth now | Snowfall next 7 days | Coldest low next 7 days | Normal season |
|---|---|---|---|---|
| Phoenix | loading… | — | — | rare |
| Tucson | loading… | — | — | rare |
| Flagstaff | loading… | — | — | 95 in |
Loading live conditions…
Snow depth map around Phoenix
Current modeled snow depth across the surrounding terrain, or flip to the 7-day snowfall forecast. Enter a ZIP to recenter anywhere in the country.
Modeled snow depth on the ground around Phoenix, AZ. This is a weather-model estimate, not a gauge reading: it misses drifts, shaded hollows, and freshly plowed lots. For official observations see NOAA's NOHRSC snow analysis or a nearby SNOTEL site.
Phoenix winter normals, October–April
| Month | Avg snowfall | Avg high | Avg low |
|---|---|---|---|
| October | 0 in | 89°F | 66°F |
| November | 0 in | 77°F | 55°F |
| December | 0 in | 67°F | 46°F |
| January | trace/none | 67°F | 46°F |
| February | 0 in | 71°F | 49°F |
| March | 0 in | 78°F | 54°F |
| April | 0 in | 87°F | 61°F |
NOAA NCEI 1991–2020 climate normals for Phoenix, rounded. Seasonal total (0 in) includes May–September trace months not shown. State record low: -40°F, Hawley Lake, 1971.
Arizona's snow belts
San Francisco Peaks & Flagstaff
~95 in, Arizona Snowbowl ~260 in
Mogollon Rim
One of Arizona's snowiest zones — expect totals well above the Phoenix normal.
White Mountains
Sunrise & Greer
Arizona winter-prep checklist, by date
The first frost is the warning shot. Typical first frost in Arizona: November 15 — see the Arizona first-frost page.
A hard freeze typically follows the first frost by about two weeks. Backflow preventers and above-ground manifolds crack first — this is the single most expensive thing to skip.
Book the HVAC tech before the first cold snap, when every company's schedule fills. Test the CO detector — furnaces and generators are the two winter CO sources.
Phoenix rarely sees snow, but San Francisco Peaks & Flagstaff does — fit tires for where you drive, not where you live.
Homes in Arizona are often built without deep pipe protection, which is why a single arctic outbreak does so much damage here.
Ice storm risk in Arizona: low
Arizona rarely sees damaging freezing rain. Where ice is a problem it is black ice on roads after a thaw-refreeze, not accumulation on lines and trees.
Freezing rain needs a specific sandwich: warm, moist air aloft sliding over a shallow layer of below-freezing air at the surface. That is why the ice belt runs from Texas and Oklahoma through the Ozarks, the mid-South, and up the Carolina Piedmont into the mid-Atlantic — places where arctic air arrives thin and Gulf moisture arrives on top.
What a seasonal outlook tells you about snow
Day-to-day weather is unpredictable beyond about two weeks. What seasonal forecasters have instead is the background state — mainly ENSO, the El Niño / La Niña cycle in the tropical Pacific — which nudges the jet stream's average position for months at a time. NOAA's Climate Prediction Center turns that nudge into a probability: "40% chance of above-normal temperatures" means 40%, with 33% the climatological baseline. A 33/33/33 split (equal chances) means they see no usable signal at all.
Snowfall is harder still, because it needs cold and moisture to line up storm by storm. A warm, wet tilt can deliver a huge snow winter if the cold arrives on the right three days, or a washout if it doesn't. Independent verification studies consistently find CPC temperature outlooks carry modest skill in winter (most of it from ENSO and long-term warming trends), precipitation outlooks less, and almanac-style snow forecasts none. So: use the tilt to lean your planning, use the 30-year normals on this page as the anchor, and use the 7-day forecast for anything that actually needs a decision.
This year's background state: El Niño conditions are present and strengthening. In its August 13, 2026 ENSO Diagnostic Discussion, CPC gave a greater than 90% chance of a very strong event during fall and winter 2026–27, and a 69% chance that the October–December season sets a record (+2.5°C or more, 3-month RONI) for any El Niño since 1950. CPC is explicit that impacts consistent with El Niño become more likely with an event this large, but are not guaranteed.
- A stronger, southward-shifted Pacific jet stream: wetter than normal across the southern tier from California to the Southeast, especially in late winter (Jan–Mar).
- Milder than normal across the northern tier — Pacific Northwest, northern Rockies, northern Plains, Great Lakes, and Northeast — with below-normal snowfall often following from the warmth, not from a lack of storms.
- Drier than normal across the northern Rockies, northern High Plains, and parts of the Great Lakes and Ohio Valley; mainland Alaska trends drier and milder.
- Nor'easters and Gulf-coast storms are often more frequent in strong El Niño winters; whether they fall as snow or rain in the mid-Atlantic is the big unknown and depends on the cold supply week to week.
- Ice-storm risk climbs in the Southern Plains and Southeast when a wet southern storm track meets shallow cold air — exactly the setup strong El Niño favors.
Arizona winter forecast FAQ
More Arizona seasonal timing
More Southwest winter forecasts
Climatology: NOAA NCEI 1991–2020 U.S. Climate Normals for Phoenix and the cities listed; state record lows from NCEI state climate extremes. Outlook: NOAA Climate Prediction Center seasonal outlook issued August 20, 2026 — a probability tilt, not a snowfall forecast, and the state-level tilt shown here is taken from CPC's official Dec–Feb probability map at each state's three reference cities, since CPC publishes probabilities by region rather than a call per state. Live values: Open-Meteo model data, not gauge observations. Hero image: “Rime ice on Jay Peak” by Runningonbrains, CC BY 3.0. National picture: the 2026–27 winter outlook for every state → · national snow depth map →