Temperature
61 F at 5 PM; 69 F at its warmest, 1 PM, and 57 F at its coolest, 6 AM.
- Now
- 61F
- 5 PM
- Highest
- 69F
- 1 PM
- Lowest
- 57F
- 6 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
High Wind Warning, in full · Every severe alert
Alert. A High Wind Warning is in force for Sierra Vista Municipal Airport / Libby Army Air Field until 5 AM tomorrow. 2 more alerts are in force here as well. Read the alert in full, and see what it means in the Field Book.
Now. Sierra Vista Municipal Airport / Libby Army Air Field is 61° and clear at 6 PM. The dew point is 31°, so the air feels dry and comfortable. Moderate breeze from the east-southeast at 18 mph.
Today and tonight. Tonight falls to about 50° by 6 AM, under a mostly clear sky. No rain is expected for the rest of the day. Air quality is moderate (index 65): fine for most people, though people unusually sensitive to air pollution may feel it outdoors.
The week. The warmest day ahead is Monday, near 77°, and the coolest tomorrow, near 70°. Rain is likely Monday (55%). Rain is possible tomorrow (46%), Sunday (30%) and Wednesday (33%). The windiest day is tomorrow, with wind to 28 mph.
The sky now. The Moon is a waxing crescent, 34% lit, and sets at 10:08 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 24 minutes long, 2 minutes shorter than yesterday.
As of 6:00 PM in Sierra Vista Municipal Airport / Libby Army Air Field, Arizona.
Air quality
Index 65, moderate, led by coarse particles. Read at 5 PM from its reporting area, Nogales (AZ), 37 miles off.
Highest 98, moderate, today, led by fine particles. Yesterday measured 31, good.
No smoke near the ground through Sun 11 AM.
Precipitation
None in the last 3 days, to Fri 5 PM. Measured by radar and rain gauges, as water.
Visibility
Visibility stays 10 miles or more through Sun 11 AM.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 03 / 21 | 4,285 ft | 75 ft | Asphalt and concrete | 36° / 216° | 6 mph head, on 03 | 12 mph from the right |
| 08 / 26 | 12,001 ft | 150 ft | Concrete | 90° / 270° | 13 mph head, on 08 | 2 mph from the right |
| 12 / 30 | 5,366 ft | 100 ft | Asphalt and concrete | 126° / 306° | 12 mph head, on 12 | 6 mph from the left |
Measured here
Every hour from Fort Huachuca/Libby (FHU), Sierra Vista Municipal Airport / Libby Army Air Field's own instrument, measure by measure, on the field's own clock.
61 F at 5 PM; 69 F at its warmest, 1 PM, and 57 F at its coolest, 6 AM.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 32 F, the air 33% saturated; the humidity ran from 27% at 2 PM to 43% at 2 AM.
How it is measured: Humidity variables, Field Book FB-WAT-002
13 mph from the east at 5 PM; at its strongest 26 mph, 8 AM, with a gust of 38 mph at 8 AM.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
30.36 inHg at 5 PM, steady over 3 hours; 0.23 inHg higher than a day before.
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Down to 6 miles at 6 AM; 9 miles now.
How it is measured: Fog types, Field Book FB-WAT-020
The lowest cloud base came down to 1,900 ft at 3 AM; a base was reported in 2 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
Fort Huachuca/Libby: every reading, the last 7 days, 30 days and the year, and how well it reports
The 6 instruments nearest Sierra Vista Municipal Airport / Libby Army Air Field, 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 now4 instruments
At an airfield/0.2 mi away/4,718 ft/1 ft below here
temp, wind, gust, visibility, precip, pressure
Elgin 5 S53132
At a climate reference station/8.9 mi away/4,811 ft/92 ft above here
temp, humidity, wind, solar, precip
Az Elgin 5 SADRA3
At a river or reservoir gauge/9.4 mi away/4,803 ft/84 ft above here
temp, wind, gust, humidity, pressure
Walnut Gulch #1S2026
At a soil climate station/20.2 mi away/4,500 ft/219 ft below here
temp, humidity, soil temp, soil moisture
measured daily2 instruments
Sierra Vista 2.5 WAZ-CH-105
In a volunteer observer's own ground/2.1 mi away/4,837 ft/118 ft above here
precip, snowfall, snow depth
Sierra VistaSEVA3
At a cooperative observer's station/5.3 mi away/4,606 ft/113 ft below 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.