Temperature
68 F at 1 AM; 88 F at its warmest, 2 PM Thursday, and 67 F at its coolest, 6 AM Thursday.
- Now
- 68F
- 1 AM
- Highest
- 88F
- 2 PM Thursday
- Lowest
- 67F
- 6 AM Thursday
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Fire Weather Watch, in full · Every severe alert
Alert. A Fire Weather Watch is in force for Harry P Williams Memorial Airport until 9 PM tomorrow. 1 more alert is in force here as well. Read the alert in full, and see what it means in the Field Book. Tomorrow is 16 degrees cooler: a high of 71° after 87° today.
Now. Harry P Williams Memorial Airport is 69° and clear at 2 AM. The dew point is 67°, so the air feels oppressive. The air is calm.
Today and tonight. It warms to about 85° by 3 PM. Tonight falls to about 59° by 7 AM, under a mostly clear sky. No rain is expected for the rest of the day. The sun is strong around midday: UV index 7, high. Unprotected skin can burn in under half an hour.
The week. The warmest day ahead is Thursday, near 85°, and the coolest tomorrow, near 71°. The days ahead look dry.
The sky tonight. The sun sets at 6:34 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:55 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 28 minutes long, 2 minutes shorter than yesterday.
As of 2:00 AM in Harry P Williams Memorial Airport, Louisiana.
Air quality
Index 35, good, led by fine particles. Read at 1 AM from its reporting area, Thibodaux (LA), 35 miles off.
Highest 51, moderate, today, led by ozone. Yesterday measured 45, good.
Little smoke near the ground through Sat 7 PM: the index from smoke stays at 6 or under.
Precipitation
None in the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.
Visibility
Visibility stays 7 miles or more through Sat 7 PM, lowest 8 miles Fri 7 AM.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 04W / 22W unlit | 4,500 ft | 100 ft | Water | 54° / 234° | Calm | Calm |
| 06 / 24 | 5,399 ft | 150 ft | Asphalt | 59° / 239° | Calm | Calm |
Measured here
Every hour from Patterson Memorial (PTN), Harry P Williams Memorial Airport's own instrument, measure by measure, on the field's own clock.
68 F at 1 AM; 88 F at its warmest, 2 PM Thursday, and 67 F at its coolest, 6 AM Thursday.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 67 F, the air 97% saturated; the humidity ran from 43% at 2 PM Thursday to 99% at 7 AM Thursday.
How it is measured: Humidity variables, Field Book FB-WAT-002
Calm at 1 AM; at its strongest 8 mph, 10 AM Thursday, and no gust reported.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
30.07 inHg at 1 AM, steady over 3 hours; 0.02 inHg higher than a day before.
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Down to 0.5 miles at 3 AM Thursday, under a mile for 4 hours; 10 miles or more now.
How it is measured: Fog types, Field Book FB-WAT-020
The lowest cloud base came down to 200 ft at 3 AM Thursday; a base was reported in 11 of the hours.
How it is measured: Cloud classification, Field Book FB-SKY-001
0.01 in measured in the gauge, the most, 0.01 in, in the hour to 7 AM Thursday.
How it is measured: ASOS, Field Book FB-INS-002
Patterson Memorial: every reading, the last 7 days, 30 days and the year, and how well it reports
The 3 instruments nearest Harry P Williams Memorial 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 now1 instrument
At an airfield/0.0 mi away/10 ft/1 ft above here
temp, wind, gust, visibility, precip, pressure
measured daily2 instruments
Baldwin 1.8 NLA-MY-3
In a volunteer observer's own ground/16.6 mi away/8 ft/1 ft below here
precip, snowfall, snow depth
NapoleonvilleNAPL1
At a cooperative observer's station/24.8 mi away/33 ft/24 ft above here
snowfall, snow depth, precip, high, low
-
Snow on the ground
21 places, each with its own forecast and its own instruments.
The nearest places, each with its own forecast and the instruments nearest it.