Temperature
32 F at 3 AM; 52 F at its warmest, 3 PM Thursday, and 31 F at its coolest, 2 AM.
- Now
- 32F
- 3 AM
- Highest
- 52F
- 3 PM Thursday
- Lowest
- 31F
- 2 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Alert. A High Wind Watch is in force for Shelby Airport until 12 AM Sunday. Read the alert in full, and see what it means in the Field Book.
Now. Shelby Airport is 33° and clear at 3 AM. With the wind it feels like 25°. The dew point is 30°, so the air feels dry and comfortable. Gentle breeze from the southeast at 10 mph.
Today and tonight. It warms to about 68° by 3 PM. Tonight falls to about 42° by 5 AM, with some cloud. No rain is expected for the rest of the day.
The week. The warmest day ahead is tomorrow, near 72°, and the coolest Tuesday, near 59°. The days ahead look dry. The windiest day is tomorrow, with wind to 26 mph. Frost is possible Monday morning, a low of 36°.
The sky tonight. The sun sets at 6:36 PM. The Moon is a waxing crescent, 34% lit, and sets at 10:06 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 day is 10 hours 48 minutes long, 3 minutes shorter than yesterday.
As of 3:00 AM in Shelby Airport, Montana.
Air quality
Index 17, good, led by fine particles. Read at 3 AM from its reporting area, Cut Bank (MT), 23 miles off.
Yesterday measured 21, good.
Little smoke near the ground through Sun 12 AM: the index from smoke stays at 28 or under.
Precipitation
None in the last 3 days, to Fri 2 AM. Measured by radar and rain gauges, as water.
Visibility
Visibility stays 7 miles or more through Sun 12 AM, lowest 7 miles Fri 9 AM.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 05 / 23 | 5,005 ft | 75 ft | Asphalt | 64° / 244° | 8 mph head, on 05 | 9 mph from the right |
| 11 / 29 | 3,701 ft | 60 ft | Asphalt | 129° / 309° | 11 mph head, on 11 | 4 mph from the left |
Measured here
Every hour from Shelby (SBX), Shelby Airport's own instrument, measure by measure, on the field's own clock.
32 F at 3 AM; 52 F at its warmest, 3 PM Thursday, and 31 F at its coolest, 2 AM.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 32 F, the air 100% saturated; the humidity ran from 39% at 1 PM Thursday to 100% at 1 AM.
How it is measured: Humidity variables, Field Book FB-WAT-002
11 mph from the east southeast at 3 AM; at its strongest 11 mph, 3 AM, with a gust of 17 mph at 4 PM Thursday.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
30.50 inHg at 3 AM, falling 0.07 inHg over 3 hours; 0.12 inHg lower than a day before.
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
10 miles or more every hour.
How it is measured: Fog types, Field Book FB-WAT-020
The lowest cloud base came down to 5,500 ft at 8 AM Thursday; a base was reported in 7 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
Shelby: every reading, the last 7 days, 30 days and the year, and how well it reports
The 6 instruments nearest Shelby 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 now4 instruments
ShelbySBX
At an airfield/0.0 mi away/3,428 ft/15 ft below here
temp, wind, gust, visibility, precip, pressure
Conrad Ag Rc ScanCOAM8
At a river or reservoir gauge/16.5 mi away/3,706 ft/263 ft above here
temp, wind, gust, humidity, pressure
Conrad Ag RcS2117
At a soil climate station/16.5 mi away/3,706 ft/263 ft above here
temp, humidity, soil temp, soil moisture
Beside a road/17.4 mi away/3,668 ft/225 ft above here
temp, pavement temp, wind, visibility, precip
measured daily2 instruments
Shelby 0.4 SWMT-TL-1
In a volunteer observer's own ground/2.5 mi away/3,317 ft/126 ft below here
precip, snowfall, snow depth
ShelbySLBM8
At a cooperative observer's station/2.6 mi away/3,278 ft/165 ft below here
snowfall, snow depth, precip, high, low
0in
Snow on the ground
Measured at Shelby (SLBM8), 2.6 miles from here, read 15 Oct, 09:00. measured daily
20 places, each with its own forecast and its own instruments.
The nearest places, each with its own forecast and the instruments nearest it.