In a volunteer observer's own ground/0.8 mi away/1,475 ft/level with here
temp, humidity, wind, precip, pressure
San Tan Valley, Arizona
Community in Pinal County, Arizona* WHAT...East winds 30 to 40 mph with gusts up to 45 to 50 mph expected. * WHERE...Apache Junction/Gold Canyon, Dripping Springs, Globe/Miami, Mazatzal Mountains, Northwest Pinal County, Pinal/Superstition Mountains, Rio Verde/Salt River, San Carlos, and Superior. * WHEN...From 5 AM Friday to 11 AM MST Saturday. * IMPACTS...Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne. Localized channels of blowing dust may briefly lower visibility under one mile.
A Wind Advisory means that sustained wind speeds of between 30 and 40 mph are expected, or wind gusts of between 40 and 58 mph. Winds this strong can make driving difficult, especially for high profile vehicles. In addition, strong winds over desert areas could result in briefly lowered visibilities to well under a mile at times in blowing dust or blowing sand. Use extra caution.
76°
87°/68°
Clear·
Feels like 76°·Gentle breeze 12 mph ESE
Alert. A Wind Advisory is in force for San Tan Valley until 11 AM tomorrow. Read the alert in full, and see what it means in the Field Book. Tomorrow is 8 degrees cooler: a high of 79° after 87° today.
Now. San Tan Valley is 76° and clear at 9 AM. The dew point is 38°, so the air feels dry and comfortable. Gentle breeze from the east-southeast at 12 mph, gusting to 36 mph.
Today and tonight. It warms to about 82° by 2 PM. Tonight falls to about 64° by 6 AM, under a mostly clear sky. No rain is expected for the rest of the day. The sun is strong around midday: UV index 7, high. Unprotected skin can burn in under half an hour. Air quality is moderate (index 87): fine for most people, though people unusually sensitive to air pollution may feel it outdoors.
The week. The warmest day ahead is Monday, near 83°, and the coolest Thursday, near 74°. Rain is possible tomorrow (34%), Wednesday (48%) and Thursday (44%). The windiest day is tomorrow, with wind to 22 mph.
The sky tonight. The sun sets at 5:52 PM. The Moon is a waxing crescent, 34% lit, and sets at 10:09 PM. The next full Moon is Sunday, Oct 25. After dark, look for Saturn, bright in the east-southeast. A planet shines with a steady light where the stars around it twinkle. The Orionids meteor shower is active, peaking around Oct 21: at its peak, up to about 20 meteors an hour can be seen from a dark site. The sky is forecast to stay clear: a good night to look up. The day is 11 hours 22 minutes long, 2 minutes shorter than yesterday.
2UV Low
87Air quality
24%Humidity
5%Cloud
Now
9:00 AM
76feels76
12mph
Today
Oct 16
8768
26mph
UV 7
Sat
Oct 17
7964
34%
22mph
Sun
Oct 18
8063
20%
15mph
UV 6
Mon
Oct 19
8364
15%
UV 6
Tue
Oct 20
8365
26%
UV 6
Wed
Oct 21
8066
48%
14mph
UV 6
Thu
Oct 22
7463
44%
UV 6
76°
87°68°
79°64°
80°63°
83°64°
83°65°
80°66°
74°63°
As of 9:00 AM in San Tan Valley, Arizona.
Air quality
The air at San Tan Valley
Index 87, moderate, led by coarse particles. Read at 8 AM from its reporting area, Gila River Indian Community (AZ), 14 miles off.
87Moderate
- Fine particles (PM2.5)-22.9 mi
- Ozone31Good35 ppb16.1 mi
- Coarse particles (PM10)87Moderate2.1 mi
- Carbon monoxide-0.2 ppm19.7 mi
The days ahead
Yesterday measured 43, good.
GoodModerate
- 43YesterdayOct 15
Smoke, the next 45 hours
No smoke near the ground through Sun 5 AM.
Precipitation
What has fallen at San Tan Valley
None in the last 24 hours; 0.18 in over the last 3 days, to Fri 8 AM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.00in
- Last 3 days
- 0.18in
3 days agoLast 24 hours 0%
Visibility
How far you can see at San Tan Valley, the next 45 hours
Visibility stays 10 miles or more through Sun 5 AM.
F
Now, today, and the week
On the radar over San Tan Valley, ArizonaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture
Weather instrument stations by state
What is measuring near here
The 5 instruments nearest San Tan Valley, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.
measured now3 instruments
Rank1,611of 1,869
Queen CreekAZMET-AZ22
At a river or reservoir gauge/2.3 mi away/1,516 ft/41 ft above here
temp, wind, gust, humidity, pressure
At an airfield/9.4 mi away/1,385 ft/90 ft below here
temp, wind, gust, visibility, precip, pressure
measured daily2 instruments
Queen Creek 5.3 SEAZ-PN-5
In a volunteer observer's own ground/0.2 mi away/1,476 ft/1 ft above here
precip, snowfall, snow depth
At a cooperative observer's station/13.8 mi away/1,414 ft/61 ft below here
snowfall, snow depth, precip, high, low
Station report
The weather at Williams AFB/Chandl, drawn
The nearest airport reporting now, 9.4 mi from San Tan Valley, Arizona. From its report of Oct 16, 2026, 8:50 AM local time: 3 of its 6 sheets.
The sky
Clear; visibility 10 mi or more.
The air
78.8 F with a dew point of 37.4 F, 23 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 9,400 ft up.
The wind
From the east (80 degrees) at 23 mph, gusting 36 mph: force 5, a fresh breeze on the Beaufort scale. The strongest gust today was 36 mph.
What the snow tracker reads here
Every instrument in this state
-
Snow on the ground
Elsewhere in Arizona
16 places, each with its own forecast and its own instruments.
Near San Tan Valley
The nearest places, each with its own forecast and the instruments nearest it.
- Queen Creektown, 5 mi
- Sacaton Flats Villagecommunity, 11 mi
- Blackwatercommunity, 11 mi
- Upper Santan Villagecommunity, 11 mi
- Lower Santan Villagecommunity, 13 mi
- Sacatoncommunity, 13 mi
- Gilberttown, 13 mi
- Stotonic Villagecommunity, 14 mi
- Gold Canyoncommunity, 14 mi
- Apache Junctioncity, 15 mi
- Coolidgecity, 15 mi
- Florencetown, 15 mi