I-79 S/B @ MM 100 Coopers Lake B PA US PADOTPA060
Beside a road/4.5 mi away/1,230 ft/29 ft above here
temp, pavement temp, wind, visibility, precip
Weather/Pennsylvania/West Liberty
Coming up. Rain is likely this morning, from about 11 AM, the chance peaking at 63% around 12 PM.
Now. West Liberty is 70° and overcast at 10 AM. The dew point is 64°, so the air feels humid and sticky. Gentle breeze from the west-southwest at 10 mph, gusting to 27 mph.
Today and tonight. The warmest of the day has passed; it cools to about 51° by 8 PM. Tonight falls to about 36° by 7 AM, with some cloud.
The week. The warmest day ahead is Tuesday, near 67°, and the coolest tomorrow, near 50°. The days ahead look dry. The first freeze could come Sunday, a low of 30°.
The sky tonight. The sun sets at 6:38 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:30 PM. The next full Moon is Monday, Oct 26. 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 day is 11 hours 7 minutes long, 2 minutes shorter than yesterday.
As of 10:00 AM in West Liberty, Pennsylvania.
Air quality
Index 40, good, led by fine particles. Read at 9 AM from its reporting area, Mercer County (PA), 19 miles off.
Good each day through Sun Oct 18, led by fine particles. Yesterday measured 28, good.
Little smoke near the ground through Sun 2 AM: the index from smoke stays at 6 or under.
Precipitation
None in the last 24 hours; 0.13 in over the last 3 days, to Fri 9 AM. Measured by radar and rain gauges, as water.
Visibility
Visibility stays 5 miles or more through Sun 2 AM, lowest 5 miles Fri 11 AM.
F
Now, today, and the week
On the radar over West Liberty, PennsylvaniaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture
The 6 instruments nearest West Liberty, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.6 miles away.
measured now4 instruments
I-79 S/B @ MM 100 Coopers Lake B PA US PADOTPA060
Beside a road/4.5 mi away/1,230 ft/29 ft above here
temp, pavement temp, wind, visibility, precip
Slippery RockSLPP1
At a river or reservoir gauge/7.2 mi away/1,224 ft/23 ft above here
temp, wind, gust, humidity, pressure
Citizen station FW7554FW7554
In a volunteer observer's own ground/9.5 mi away/1,307 ft/106 ft above here
temp, humidity, wind, precip, pressure
ZelienoplePJC
At an airfield/15.4 mi away/895 ft/306 ft below here
temp, wind, gust, visibility, precip, pressure
measured daily2 instruments
Slippery Rock 4.4 SEPA-BT-17
In a volunteer observer's own ground/2.6 mi away/1,261 ft/60 ft above here
precip, snowfall, snow depth
Slippery RockSPPP1
At a cooperative observer's station/3.2 mi away/1,263 ft/62 ft above here
snowfall, snow depth, precip, high, low
Station report
The nearest airport reporting now, 15.4 mi from West Liberty, Pennsylvania. From its report of Oct 16, 2026, 10:15 AM local time: 3 of its 6 sheets.
Scattered at 2,700 ft, broken at 3,300 ft, overcast at 5,000 ft; the ceiling is 3,300 ft; visibility 10 mi or more.
71.6 F with a dew point of 62.6 F, 73 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,100 ft up; the lowest cloud reported is at 2,700 ft.
From the west southwest (240 degrees) at 10 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 18 mph.
The full report of Zelienople, in 6 sheets, each beside the Field Book plates that explain it
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Snow on the ground
24 places, each with its own forecast and its own instruments.
The nearest places, each with its own forecast and the instruments nearest it.