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
Sugarloaf Ridge State Park, California
State Park in Sonoma County, California* WHAT...Hot conditions with maximum temperatures in the mid-90s to near 105. Mild minimum temperatures and weak onshore flow will limit overnight relief. * WHERE...The East Bay and San Francisco Bay Shoreline, North Bay Interior Mountains and Valleys, The Santa Clara Valley and Eastern Hills, The Santa Cruz Mountains, Interior Monterey County and the Santa Lucia Range, Most of San Benito County and the Cholame Hills in Southeast Monterey County, and Southern Salinas Valley/Arroyo Seco and Lake San Antonio. * WHEN...Until 10 PM PDT Thursday. * IMPACTS...This level of heat affects anyone without effective cooling and/or adequate hydration. Impacts likely in some health systems, heat-sensitive industries and infrastructure.
Hydration is a critical piece to surviving the heat. Drink water, and if possible, take water to those who are vulnerable. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to the early morning or evening. Take action when you experience symptoms of heat exhaustion and/or heat stroke. Beat the heat and check the backseat! Do not leave young children or pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
74°
91°/59°
Clear·
Feels like 74°·Calm 1 mph WNW
Alert. A Heat Advisory is in force for Sugarloaf Ridge State Park until 10 PM Thursday. Read the alert in full, and see what it means in the Field Book.
Now. Sugarloaf Ridge State Park is 74° and clear at 12 AM. The dew point is 55°, so the air feels a little humid. The air is calm.
Today and tonight. It warms to about 90° by 2 PM. Tonight falls to about 58° by 6 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 tomorrow, near 89°, and the coolest Sunday, near 69°. The days ahead look dry.
The sky tonight. The sun sets at 6:45 PM. The Moon is a waning crescent, 15% lit, and rises at 4:02 AM after midnight. The next new Moon is Saturday, Oct 10. After dark, look for Saturn, bright in the east-southeast. A planet shines with a steady light where the stars around it twinkle. The sky is forecast to stay clear: a good night to look up. The day is 11 hours 36 minutes long, 3 minutes shorter than yesterday.
0UV Low
16Air quality
88%Humidity
3%Cloud
Now
12:00 AM
74feels74
now, clear
Today
Oct 6
9159
UV 7
Wed
Oct 7
8956
UV 7
Thu
Oct 8
8954
UV 7
Fri
Oct 9
8256
UV 7
Sat
Oct 10
7250
UV 7
Sun
Oct 11
6946
UV 6
Mon
Oct 12
7146
UV 6
74°
91°59°
89°56°
89°54°
82°56°
72°50°
69°46°
71°46°
As of 12:00 AM in Sugarloaf Ridge State Park, California.
Air quality
The air at Sugarloaf Ridge State Park
Index 16, good, led by fine particles. Read at 12 AM from its reporting area, Santa Rosa (CA), 9 miles off.
16Good
- Fine particles (PM2.5)16Good-
- Ozone15Good-
The days ahead
Highest 77, moderate, today, led by ozone. Yesterday measured 40, good.
GoodModerate
- 40YesterdayOct 5
- 77TodayOct 6
- ModerateWedOct 7
- ModerateThuOct 8
- ModerateFriOct 9
- GoodSatOct 10
Smoke, the next 42 hours
Little smoke near the ground through Wed 5 PM: the index from smoke stays at 17 or under.
Precipitation
What has fallen at Sugarloaf Ridge State Park
None in the last 3 days, to Mon 11 PM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.00in
- Last 3 days
- 0.00in
Visibility
How far you can see at Sugarloaf Ridge State Park, the next 42 hours
Visibility stays 10 miles or more through Wed 5 PM.
F
Now, today, and the week
Weather instrument stations by state
Park
- Designation
- State Park
- Area
- 7.35 sq mi
- Height at its point
- 1,987 ft
- County
- Sonoma County
- State
- California
- Latitude
- 38.4587° N
- Longitude
- 122.5322° W
What is measuring near here
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
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
What the snow tracker reads here
Every instrument in this state
-
Snow on the ground
Elsewhere in California
33 places, each with its own forecast and its own instruments.
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Near Sugarloaf Ridge State Park
The nearest places, each with its own forecast and the instruments nearest it.
- Kenwoodcommunity, 3 mi
- St. Helenacity, 5 mi
- Rutherfordcommunity, 6 mi
- Deer Parkcommunity, 7 mi
- Glen Ellencommunity, 7 mi
- Oakvillecommunity, 8 mi
- Eldridgecommunity, 8 mi
- Calistogacity, 9 mi
- Angwincommunity, 9 mi
- Fetters Hot Springs-Agua Calientecommunity, 10 mi
- Santa Rosacity, 10 mi
- Yountvillecity, 10 mi