Alert. A Wind Advisory is in force for Ak-Chin Regional Airport until 11 AM tomorrow. Read the alert in full, and see what it means in the Field Book.
Now. Ak-Chin Regional Airport is 70° and clear at 12 AM. The dew point is 46°, so the air feels dry and comfortable. Gentle breeze from the east-northeast at 10 mph.
Today and tonight. It warms to about 82° by 1 PM. Tonight falls to about 69° by 5 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.
The week. The warmest day ahead is Monday, near 85°, and the coolest Thursday, near 76°. Rain is possible tomorrow (33%). The windiest day is tomorrow, with wind to 21 mph.
The sky tonight. The sun sets at 5:53 PM. The Moon is a waxing crescent, 34% lit, and sets at 10:11 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 21 minutes long, 2 minutes shorter than yesterday.
As of 12:00 AM in Ak-Chin Regional Airport, Arizona.
Air quality
Index 25, good, led by ozone. Read at 11 PM from its reporting area, Gila River Indian Community (AZ), 11 miles off.
Yesterday measured 43, good.
Little smoke near the ground through Sat 5 PM: the index from smoke stays at 6 or under.
Precipitation
None in the last 24 hours; 0.35 in over the last 3 days, to Thu 11 PM. Measured by radar and rain gauges, as water.
Visibility
Visibility stays 10 miles or more through Sat 5 PM.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 4 / 22 | 4,751 ft | 50 ft | Asphalt | 42° / 222° | 2 mph head, on 22 | 9 mph from the right |
Measured here
Every hour from Maricopa - Ak-chin (A39), Ak-Chin Regional Airport's own instrument, measure by measure, on the field's own clock.
79 F at 8 PM Thursday; 86 F at its warmest, 3 PM Thursday, and 52 F at its coolest, 6 AM Thursday.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 43 F, the air 28% saturated; the humidity ran from 18% at 3 PM Thursday to 84% at 4 AM Thursday.
How it is measured: Humidity variables, Field Book FB-WAT-002
12 mph from the northeast at 8 PM Thursday; at its strongest 12 mph, 8 PM Thursday, with a gust of 20 mph at 2 PM Thursday.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
29.97 inHg at 8 PM Thursday, steady over 3 hours; 0.08 inHg lower than a day before.
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Down to 5 miles at 3 PM Thursday; 10 miles or more now.
How it is measured: Fog types, Field Book FB-WAT-020
The lowest cloud base came down to 10,000 ft at 2 AM Thursday; a base was reported in 10 of the hours.
How it is measured: Cloud classification, Field Book FB-SKY-001
None measured in the gauge in the last 24 hours.
How it is measured: ASOS, Field Book FB-INS-002
Maricopa - Ak-chin: every reading, the last 7 days, 30 days and the year, and how well it reports
The 4 instruments nearest Ak-Chin Regional Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.0 miles away.
measured now2 instruments
At an airfield/0.0 mi away/1,283 ft/17 ft below here
temp, wind, gust, visibility, precip, pressure
Az Coolidge 5 WCOOA3
At a river or reservoir gauge/22.4 mi away/1,417 ft/117 ft above here
temp, wind, gust, humidity, pressure
measured daily2 instruments
Casa Grande 6.5 NNWAZ-PN-33
In a volunteer observer's own ground/8.1 mi away/1,487 ft/187 ft above here
precip, snowfall, snow depth
Casa GrandeCASA3
At a cooperative observer's station/13.8 mi away/1,399 ft/99 ft above here
snowfall, snow depth, precip, high, low
-
Snow on the ground
16 places, each with its own forecast and its own instruments.
The nearest places, each with its own forecast and the instruments nearest it.