St Helena 4WSWHNAC1
At a river or reservoir gauge/2.3 mi away/1,608 ft/379 ft below here
temp, wind, gust, humidity, pressure
Parks/California/Sugarloaf Ridge State Park
Alert. A Red Flag Warning is in force for Sugarloaf Ridge State Park until 11 AM today. Read the alert in full, and see what it means in the Field Book.
Now. Sugarloaf Ridge State Park is 65° and clear at 4 AM. The dew point is 41°, so the air feels dry and comfortable. Light breeze from the north-northeast at 4 mph.
Today and tonight. It warms to about 84° by 3 PM. Tonight falls to about 53° 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 6, high. Unprotected skin can burn in under half an hour. Air quality is moderate (index 53): fine for most people, though people unusually sensitive to air pollution may feel it outdoors.
The week. The warmest day ahead is tomorrow, near 83°, and the coolest Monday, near 60°. The days ahead look dry.
The sky tonight. The sun sets at 6:31 PM. The Moon is a waxing crescent, 34% lit, and sets at 10:36 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 12 minutes long, 2 minutes shorter than yesterday.
As of 4:00 AM in Sugarloaf Ridge State Park, California.
Air quality
Index 53, moderate, led by fine particles. Read at 3 AM from its reporting area, Santa Rosa (CA), 9 miles off.
Good each day through Tue Oct 20, led by ozone. Yesterday measured 41, good.
Little smoke near the ground through Sat 11 PM: the index from smoke stays at 11 or under.
Precipitation
None in the last 3 days, to Fri 3 AM. Measured by radar and rain gauges, as water.
Visibility
Visibility stays 10 miles or more through Sat 11 PM.
F
Now, today, and the week
The 6 instruments nearest Sugarloaf Ridge State Park, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.9 miles away.
measured now4 instruments
St Helena 4WSWHNAC1
At a river or reservoir gauge/2.3 mi away/1,608 ft/379 ft below here
temp, wind, gust, humidity, pressure
Citizen station EW6829EW6829
In a volunteer observer's own ground/11.3 mi away/194 ft/1,793 ft below here
temp, humidity, wind, precip, pressure
PetalumaO69
At an airfield/14.4 mi away/90 ft/1,897 ft below here
temp, wind, gust, visibility, precip, pressure
Bodega 6 WSW93245
At a climate reference station/30.7 mi away/63 ft/1,924 ft below here
temp, humidity, wind, solar, precip
measured daily2 instruments
Kenwood 1.4 NNWCA-SN-104
In a volunteer observer's own ground/1.9 mi away/490 ft/1,497 ft below here
precip, snowfall, snow depth
Santa RosaSTSC1
At a cooperative observer's station/9.1 mi away/207 ft/1,780 ft below here
snowfall, snow depth, precip, high, low
-
Snow on the ground
33 places, each with its own forecast and its own instruments.
The nearest places, each with its own forecast and the instruments nearest it.