Temperature
49 F at 10 PM; 54 F at its warmest, 2 AM, and 49 F at its coolest, 10 PM.
- Now
- 49F
- 10 PM
- Highest
- 54F
- 2 AM
- Lowest
- 49F
- 10 PM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Alert. A Freeze Watch is in force for Black River Falls Area Airport until 9 AM Saturday. Read the alert in full, and see what it means in the Field Book.
Now. Black River Falls Area Airport is 48° and light rain at 10 PM. With the wind it feels like 44°. The dew point is 46°, so the air feels dry and comfortable. Gentle breeze from the northwest at 8 mph.
Today and tonight. Tonight falls to about 41° by 4 AM, under cloud.
The week. The warmest day ahead is Wednesday, near 72°, and the coolest tomorrow, near 52°. Rain is likely tomorrow (81%). The first freeze could come tomorrow, a low of 32°.
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. Cloud is forecast to cover most of the night, so the sky will be hard to see. The day is 11 hours 3 minutes long, 3 minutes shorter than yesterday.
As of 10:00 PM in Black River Falls Area Airport, Wisconsin.
Air quality
Index 12, good, led by ozone. Read at 10 PM from its reporting area, Driftless Area North (WI), 14 miles off.
Good each day through Sat Oct 17, led by ozone. Yesterday measured 14, good.
No smoke near the ground through Sat 7 PM.
Precipitation
0.91 in in the last 24 hours, and none in the 2 days before, to Thu 9 PM. Measured by radar and rain gauges, as water.
Visibility
Visibility stays 3 miles or more through Sat 7 PM, lowest 3 miles Fri 5 AM.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 08 / 26 | 4,601 ft | 75 ft | Asphalt | 80° / 260° | 6 mph head, on 26 | 5 mph from the right |
Measured here
Every hour from Black River Falls (BCK), Black River Falls Area Airport's own instrument, measure by measure, on the field's own clock.
49 F at 10 PM; 54 F at its warmest, 2 AM, and 49 F at its coolest, 10 PM.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 48 F, the air 99% saturated; the humidity ran from 75% at 5 AM to 100% at 11 AM.
How it is measured: Humidity variables, Field Book FB-WAT-002
8 mph from the west northwest at 10 PM; at its strongest 9 mph, 9 PM, with a gust of 17 mph at 9 PM.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
29.89 inHg at 10 PM, rising 0.03 inHg over 3 hours; 0.29 inHg lower than a day before.
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Down to 2 miles at 5 PM; 10 miles or more now.
How it is measured: Fog types, Field Book FB-WAT-020
The lowest cloud base came down to 500 ft at 4 PM; a base was reported in 24 of the hours.
How it is measured: Cloud classification, Field Book FB-SKY-001
0.91 in measured in the gauge, the most, 0.15 in, in the hour to 12 PM.
How it is measured: ASOS, Field Book FB-INS-002
Black River Falls: every reading, the last 7 days, 30 days and the year, and how well it reports
The 6 instruments nearest Black River Falls Area 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
At an airfield/0.0 mi away/830 ft/6 ft below here
temp, wind, gust, visibility, precip, pressure
A remote fire weather station/3.6 mi away/823 ft/13 ft below here
temp, wind, gust, humidity, pressure
Black River Falls - I-94 @ Sandcut HillBRVW3
Beside a road/6.7 mi away/1,091 ft/255 ft above here
temp, pavement temp, wind, visibility, precip
Necedah 5 WNW54903
At a climate reference station/36.4 mi away/933 ft/97 ft above here
temp, humidity, wind, solar, precip
measured daily2 instruments
At a cooperative observer's station/2.7 mi away/768 ft/68 ft below here
snowfall, snow depth, precip, high, low
Black River Falls 1.1 SEWI-JK-5
In a volunteer observer's own ground/2.9 mi away/847 ft/11 ft above here
precip, snowfall, snow depth
0in
Snow on the ground
Measured at Black River Falls Sewage (BLKW3), 2.7 miles from here, read 15 Oct, 08:30. measured daily
19 places, each with its own forecast and its own instruments.
The nearest places, each with its own forecast and the instruments nearest it.