Temperature
35 F at 9 PM; 49 F at its warmest, 11 AM, and 35 F at its coolest, 9 PM.
- Now
- 35F
- 9 PM
- Highest
- 49F
- 11 AM
- Lowest
- 35F
- 9 PM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Alert. A Freeze Warning is in force for Johnson County Airport until 9 AM tomorrow. Read the alert in full, and see what it means in the Field Book. Tomorrow is 8 degrees warmer: a high of 64° after 56° today.
Now. Johnson County Airport is 35° and clear at 10 PM. With the wind it feels like 25°. The dew point is 19°, so the air feels dry and comfortable. Moderate breeze from the north at 17 mph.
Today and tonight. Tonight falls to about 31° by 3 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 78°, and the coolest Sunday, near 58°. The days ahead look dry. The first freeze could come tomorrow, a low of 29°.
The sky now. The Moon is a waxing crescent, 26% lit, and stays below the horizon until dawn. The next full Moon is Sunday, Oct 25. Look for Saturn, bright in the south-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 2 minutes long, 3 minutes shorter than yesterday.
As of 10:00 PM in Johnson County Airport, Wyoming.
Air quality
Index 42, good, led by fine particles. Read at 10 PM from its reporting area, Sheridan (WY), 31 miles off.
Yesterday measured 31, good.
No smoke near the ground through Sat 6 PM.
Precipitation
None in the last 24 hours; 0.02 in over the last 3 days, to Thu 9 PM. 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 |
|---|---|---|---|---|---|---|
| 13 / 31 | 6,143 ft | 75 ft | Asphalt | 138° / 318° | 15 mph head, on 31 | 10 mph from the right |
Measured here
Every hour from Buffalo/Johnson County (BYG), Johnson County Airport's own instrument, measure by measure, on the field's own clock.
35 F at 9 PM; 49 F at its warmest, 11 AM, and 35 F at its coolest, 9 PM.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 19 F, the air 52% saturated; the humidity ran from 36% at 11 AM to 79% at 11 PM Wednesday.
How it is measured: Humidity variables, Field Book FB-WAT-002
19 mph from the north at 9 PM; at its strongest 35 mph, 1 PM, with a gust of 54 mph at 3 PM.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
30.70 inHg at 9 PM, rising 0.06 inHg over 3 hours; 0.50 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 2,400 ft at 6 AM; a base was reported in 8 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
The 5 instruments nearest Johnson County Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.1 miles away.
measured now3 instruments
At an airfield/0.1 mi away/4,967 ft/1 ft below here
temp, wind, gust, visibility, precip, pressure
Beside a road/9.8 mi away/4,772 ft/196 ft below here
temp, pavement temp, wind, visibility, precip
School House RAWSSPKW4
A remote fire weather station/13.8 mi away/8,054 ft/3,086 ft above here
temp, wind, gust, humidity, pressure
measured daily2 instruments
Buffalo 4.0 NWY-JN-48
In a volunteer observer's own ground/1.3 mi away/4,685 ft/283 ft below here
precip, snowfall, snow depth
Buffalo - COOPBUFW4
At a cooperative observer's station/2.5 mi away/4,747 ft/221 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.