Temperature
45 F at 6 PM; 50 F at its warmest, 4 PM, and 27 F at its coolest, 6 AM.
- Now
- 45F
- 6 PM
- Highest
- 50F
- 4 PM
- Lowest
- 27F
- 6 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Now. Dillon Airport is 43° and clear at 7 PM. The dew point is 32°, so the air feels dry and comfortable. The air is calm.
Today and tonight. Tonight falls to about 26° by 7 AM, under a mostly clear sky. A freeze: protect plants and pipes. No rain is expected for the rest of the day.
The week. The warmest day ahead is Saturday, near 62°, and the coolest Wednesday, near 53°. Rain is possible Wednesday (33%). The first freeze could come tomorrow, a low of 26°.
The sky now. The Moon is a waxing crescent, 25% lit, and sets at 9:31 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 0 minutes long, 3 minutes shorter than yesterday.
As of 7:00 PM in Dillon Airport, Montana.
Air quality
Index 28, good, led by fine particles. Read at 7 PM from its reporting area, Dillon (MT), 6 miles off.
Yesterday measured 21, good.
No smoke near the ground through Sat 12 PM.
Precipitation
None in the last 3 days, to Thu 6 PM. Measured by radar and rain gauges, as water.
Visibility
Visibility stays 10 miles or more through Sat 12 PM.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 04 / 22 | 3,600 ft | 60 ft | Asphalt | 48° / 228° | Calm | Calm |
| 17 / 35 | 6,501 ft | 75 ft | Asphalt | 180° / 0° | Calm | Calm |
Measured here
Every hour from Dillon Airport (DLN), Dillon Airport's own instrument, measure by measure, on the field's own clock.
45 F at 6 PM; 50 F at its warmest, 4 PM, and 27 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 60% saturated; the humidity ran from 50% at 5 PM to 92% at 8 AM.
How it is measured: Humidity variables, Field Book FB-WAT-002
Calm at 7 PM; at its strongest 8 mph, 3 AM, and no gust reported.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
30.65 inHg at 7 PM, steady over 3 hours; 0.34 inHg higher 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 2,300 ft at 9 AM; a base was reported in 4 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
Dillon Airport: every reading, the last 7 days, 30 days and the year, and how well it reports
The 5 instruments nearest Dillon 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 now3 instruments
At an airfield/0.0 mi away/5,240 ft/1 ft below here
temp, wind, gust, visibility, precip, pressure
At an airfield/0.2 mi away/5,197 ft/44 ft below here
temp, wind, gust, humidity, pressure
Big Hole Pass CTY-278 MP 32MTBHP
Beside a road/37.0 mi away/6,719 ft/1,478 ft above here
temp, pavement temp, wind, visibility, precip
measured daily2 instruments
Dillon 5.3 ENEMT-BV-2
In a volunteer observer's own ground/1.3 mi away/5,299 ft/58 ft above here
precip, snowfall, snow depth
Dillon WmceDLLM8
At a cooperative observer's station/5.3 mi away/5,105 ft/136 ft below 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.