Temperature
26 F at 2 AM; 55 F at its warmest, 12 PM Thursday, and 26 F at its coolest, 2 AM.
- Now
- 26F
- 2 AM
- Highest
- 55F
- 12 PM Thursday
- Lowest
- 26F
- 2 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Coming up. Tomorrow is 9 degrees warmer: a high of 77° after 68° today.
Now. Big Horn County Airport is 27° and mostly clear at 3 AM. The dew point is 23°, so the air feels dry and comfortable. Light air from the southeast at 1 mph.
Today and tonight. It warms to about 66° 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 77°, and the coolest Wednesday, near 67°. The days ahead look dry. Frost is possible tomorrow morning, a low of 35°.
The sky tonight. The sun sets at 6:23 PM. The Moon is a waxing crescent, 34% lit, and sets at 10:04 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 3:00 AM in Big Horn County Airport, Montana.
Air quality
Index 23, good, led by fine particles. Read at 2 AM from its reporting area, Billings (MT), 41 miles off.
Yesterday measured 32, good.
No smoke near the ground through Sat 6 PM.
Precipitation
None in the last 3 days, to Fri 2 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
Measured here
Every hour from Big Horn County (00U), Big Horn County Airport's own instrument, measure by measure, on the field's own clock.
26 F at 2 AM; 55 F at its warmest, 12 PM Thursday, and 26 F at its coolest, 2 AM.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 24 F, the air 91% saturated; the humidity ran from 31% at 4 PM Thursday to 91% at 2 AM.
How it is measured: Humidity variables, Field Book FB-WAT-002
1 mph from the east at 2 AM; at its strongest 21 mph, 2 PM Thursday, with a gust of 32 mph at 12 PM Thursday.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
30.70 inHg at 2 AM, falling 0.04 inHg over 3 hours; 0.28 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 3,300 ft at 7 PM Thursday; a base was reported in 13 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
Big Horn County: every reading, the last 7 days, 30 days and the year, and how well it reports
The 5 instruments nearest Big Horn County 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/2,999 ft/26 ft below here
temp, wind, gust, visibility, precip, pressure
Little Big Horn RAWSLBHM8
A remote fire weather station/16.2 mi away/3,228 ft/203 ft above here
temp, wind, gust, humidity, pressure
Arrow Creek Hill I-90 MP 468.6MTARC
Beside a road/24.4 mi away/3,930 ft/905 ft above here
temp, pavement temp, wind, visibility, precip
measured daily2 instruments
Hardin 0.5 WSWMT-BH-8
In a volunteer observer's own ground/2.1 mi away/2,917 ft/108 ft below here
precip, snowfall, snow depth
HardinHDNM8
At a cooperative observer's station/2.7 mi away/2,907 ft/118 ft below here
snowfall, snow depth, precip, high, low
0in
Snow on the ground
Measured at Hardin (HDNM8), 2.7 miles from here, read 15 Oct, 17:00. 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.