Temperature
32 F at 12 AM; 54 F at its warmest, 4 PM Thursday, and 28 F at its coolest, 8 AM Thursday.
- Now
- 32F
- 12 AM
- Highest
- 54F
- 4 PM Thursday
- Lowest
- 28F
- 8 AM Thursday
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Now. Ruby Valley Field is 33° and clear at 1 AM. With the wind it feels like 26°. The dew point is 28°, so the air feels dry and comfortable. Light breeze from the south at 7 mph.
Today and tonight. It warms to about 60° by 3 PM. Tonight falls to about 35° by 6 AM, under a mostly clear sky. Frost can form on the ground in sheltered spots. No rain is expected for the rest of the day.
The week. The warmest day ahead is tomorrow, near 64°, and the coolest Thursday, near 55°. Rain is possible Wednesday (32%) and Thursday (30%). Frost is possible tomorrow morning, a low of 34°.
The sky tonight. The sun sets at 6:42 PM. The Moon is a waxing crescent, 34% lit, and sets at 10:24 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 10 hours 56 minutes long, 3 minutes shorter than yesterday.
As of 1:00 AM in Ruby Valley Field, Montana.
Air quality
Index 7, good, led by fine particles. Read at 12 AM from its reporting area, Dillon (MT), 28 miles off.
Yesterday measured 21, good.
No smoke near the ground through Sat 6 PM.
Precipitation
None in the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.
Visibility
Visibility stays 10 miles or more through Sat 6 PM.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 07 / 25 unlit | 2,866 ft | 100 ft | Turf | 84° / 264° | 4 mph head, on 07 | 7 mph from the right |
| 17 / 35 | 6,000 ft | 60 ft | Asphalt | 181° / 1° | 6 mph head, on 17 | 5 mph from the left |
Measured here
Every hour from Twin Bridges (RVF), Ruby Valley Field's own instrument, measure by measure, on the field's own clock.
32 F at 12 AM; 54 F at its warmest, 4 PM Thursday, and 28 F at its coolest, 8 AM Thursday.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 30 F, the air 93% saturated; the humidity ran from 45% at 4 PM Thursday to 98% at 9 AM Thursday.
How it is measured: Humidity variables, Field Book FB-WAT-002
6 mph from the southeast at 12 AM; at its strongest 8 mph, 7 PM Thursday, and no gust reported.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
30.70 inHg at 12 AM, steady over 3 hours; 0.20 inHg higher than a day before.
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Down to 5 miles at 12 AM; 5 miles now.
How it is measured: Fog types, Field Book FB-WAT-020
The lowest cloud base came down to 2,500 ft at 6 AM Thursday; a base was reported in 5 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
Twin Bridges: every reading, the last 7 days, 30 days and the year, and how well it reports
The 6 instruments nearest Ruby Valley 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
Twin BridgesRVF
At an airfield/0.2 mi away/4,756 ft/21 ft below here
temp, wind, gust, visibility, precip, pressure
At a river or reservoir gauge/17.2 mi away/5,000 ft/223 ft above here
temp, wind, gust, humidity, pressure
Homestake PassMTHOM
Beside a road/27.1 mi away/6,342 ft/1,565 ft above here
temp, pavement temp, wind, visibility, precip
Table MountainS0808
At a soil climate station/39.2 mi away/4,474 ft/303 ft below here
temp, humidity, soil temp, soil moisture
measured daily2 instruments
Sheridan 1.4 ENEMT-MD-3
In a volunteer observer's own ground/8.3 mi away/5,399 ft/622 ft above here
precip, snowfall, snow depth
Dillon WmceDLLM8
At a cooperative observer's station/27.8 mi away/5,105 ft/328 ft above here
snowfall, snow depth, precip, high, low
-
Snow on the ground
20 places, each with its own forecast and its own instruments.
The nearest places, each with its own forecast and the instruments nearest it.