Alert. A Wind Advisory is in force for Porter County Municipal Airport until 10 PM today. Read the alert in full, and see what it means in the Field Book. Rain is likely this afternoon, from about 3 PM, the chance peaking at 71% around 12 AM.
Now. Porter County Municipal Airport is 66° and overcast at 12 AM. The dew point is 64°, so the air feels humid and sticky. Moderate breeze from the west at 17 mph.
Today and tonight. The warmest of the day has passed; it cools to about 49° by 8 PM. Tonight falls to about 39° by 7 AM, under cloud.
The week. The warmest day ahead is Thursday, near 73°, and the coolest tomorrow, near 57°. Rain is likely tomorrow (75%). Frost is possible Sunday morning, a low of 36°.
The sky tonight. The sun sets at 6:06 PM. The Moon is a waxing crescent, 33% lit, and sets at 9:57 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. Cloud is forecast to cover most of the night, so the sky will be hard to see. The day is 11 hours 6 minutes long, 2 minutes shorter than yesterday.
As of 12:00 AM in Porter County Municipal Airport, Indiana.
Air quality
Index 33, good, led by fine particles. Read at 11 PM from its reporting area, Hammond-Gary (IN), 20 miles off.
Good each day through Today, led by ozone. Yesterday measured 40, good.
No smoke near the ground through Sat 7 PM.
Precipitation
0.02 in in the last 24 hours, 0.07 in over the last 3 days, to Thu 11 PM. Measured by radar and rain gauges, as water.
Visibility
Mist or haze: visibility falls to 1 miles Sat 4 AM.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 09 / 27 | 7,001 ft | 150 ft | Asphalt | 90° / 270° | 20 mph head, on 27 | 3 mph from the right |
| 18 / 36 | 4,001 ft | 75 ft | Asphalt | 184° / 4° | 2 mph head, on 36 | 20 mph from the left |
Measured here
Every hour from Valparaiso (VPZ), Porter County Municipal Airport's own instrument, measure by measure, on the field's own clock.
67 F at 10 PM Thursday; 70 F at its warmest, 8 PM Thursday, and 57 F at its coolest, 5 AM Thursday.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 65 F, the air 92% saturated; the humidity ran from 75% at 11 AM Thursday to 100% at 7 PM Thursday.
How it is measured: Humidity variables, Field Book FB-WAT-002
16 mph from the west at 10 PM Thursday; at its strongest 17 mph, 9 PM Thursday, with a gust of 33 mph at 10 PM Thursday.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
29.78 inHg at 10 PM Thursday, steady over 3 hours; 0.38 inHg lower than a day before.
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Down to 3 miles at 8 PM Thursday; 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 7 PM Thursday; a base was reported in 22 of the hours.
How it is measured: Cloud classification, Field Book FB-SKY-001
0.02 in measured in the gauge, the most, 0.01 in, in the hour to 6 PM Thursday.
How it is measured: ASOS, Field Book FB-INS-002
Valparaiso: every reading, the last 7 days, 30 days and the year, and how well it reports
The 5 instruments nearest Porter County Municipal 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
ValparaisoVPZ
At an airfield/0.0 mi away/758 ft/12 ft below here
temp, wind, gust, visibility, precip, pressure
I-94 E/B at MM 25.8 Tower Struct IN US INDOTIN059
Beside a road/12.0 mi away/655 ft/115 ft below here
temp, pavement temp, wind, visibility, precip
Knox - Yellow RiverKXNI3
At a river or reservoir gauge/22.6 mi away/686 ft/84 ft below here
temp, wind, gust, humidity, pressure
measured daily2 instruments
Valparaiso 0.6 ESEIN-PT-132
In a volunteer observer's own ground/2.2 mi away/801 ft/31 ft above here
precip, snowfall, snow depth
Wanatah 2 WNWWANI3
At a cooperative observer's station/4.1 mi away/735 ft/35 ft below here
snowfall, snow depth, precip, high, low
-
Snow on the ground
23 places, each with its own forecast and its own instruments.
The nearest places, each with its own forecast and the instruments nearest it.