Grass MountainGMTC1
At a river or reservoir gauge/6.8 mi away/4,573 ft/1,120 ft above here
temp, wind, gust, humidity, pressure
Weather/California/Leona Valley
Leona Valley, California
Community in Los Angeles County, California...HIGH RISK FOR RAPID FIRE GROWTH AND EXTREME FIRE BEHAVIOR WITH ANY NEW FIRE STARTS THROUGH SATURDAY, DUE TO MODERATE TO LOCALLY STRONG SANTA ANA WINDS AND LOW RELATIVE HUMIDITY... .Updates include adding the following areas to the previous Red Flag Warnings - Ojai, Casitas, and the Santa Lucia Mountains. Moderate to strong Santa Ana winds will peak around Friday then slowly weaken through the weekend. Meanwhile, dry air will persist and dry out any effects of the recent rains. Red Flag Warnings are in effect for most of Los Angeles and Ventura Counties Thursday through Saturday, and for interior Santa Barbara and San Luis Obispo Counties for Friday. * AFFECTED AREA...The mountains and foothills of Los Angeles and Ventura Counties. * TIMING...Until 8 PM PDT Saturday. * WINDS...Northeast to east 20 to 40 mph with gusts of 50 to 70 mph, strongest through Friday afternoon when isolated gusts of 70 to 90 mph are possible. * RELATIVE HUMIDITY...Minimums of 10 to 25 percent common. * IMPACTS...If fire ignition occurs, conditions are favorable for extreme fire behavior which would threaten life and property.
A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. Use extreme caution with anything that can spark a wildfire. Residents near wildland interfaces should be prepared to evacuate if a wildfire breaks out. See readyforwildfire.org and wildfirerisk.org for information.
66°
81°/51°
Clear·
Feels like 66°·Strong breeze 26 mph NE
Alert. A Red Flag Warning is in force for Leona Valley until 8 PM Saturday. Read the alert in full, and see what it means in the Field Book.
Now. Leona Valley is 66° and clear at 11 PM. The dew point is 32°, so the air feels dry and comfortable. Strong breeze from the northeast at 26 mph.
Today and tonight. Tonight falls to about 59° by 7 AM, under a mostly clear sky. No rain is expected for the rest of the day.
The week. The warmest day ahead is tomorrow, near 78°, and the coolest Wednesday, near 60°. Rain is likely Tuesday (51%) and Wednesday (53%). The windiest day is tomorrow, with wind to 38 mph.
The sky now. The Moon is a waxing crescent, 27% lit, and stays below the horizon until dawn. The next full Moon is Sunday, Oct 25. Look for Saturn, bright in the south-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 21 minutes long, 2 minutes shorter than yesterday.
0UV Low
36Air quality
33%Humidity
0%Cloud
Now
11:00 PM
66feels66
26mph
Today
Oct 15
8151
36mph
UV 7
Fri
Oct 16
7859
38mph
UV 7
Sat
Oct 17
7759
30mph
UV 7
Sun
Oct 18
7754
UV 7
Mon
Oct 19
7755
19mph
UV 7
Tue
Oct 20
6451
51%
17mph
Wed
Oct 21
6046
53%
66°
81°51°
78°59°
77°59°
77°54°
77°55°
64°51°
60°46°
As of 11:00 PM in Leona Valley, California.
Air quality
The air at Leona Valley
Index 36, good, led by ozone. Read at 10 PM from its reporting area, Antelope Vly (CA), 10 miles off.
36Good
- Fine particles (PM2.5)6Good20.4 mi
- Ozone36Good43 ppb20.4 mi
- Coarse particles (PM10)7Good-
- Nitrogen dioxide1Good1.1 ppb20.4 mi
The days ahead
Moderate each day through Fri Oct 16, led by fine particles. Yesterday measured 42, good.
GoodModerate
- 42YesterdayOct 14
- 55TodayOct 15
- 53FriOct 16
Smoke, the next 43 hours
Little smoke near the ground through Sat 5 PM: the index from smoke stays at 22 or under.
Precipitation
What has fallen at Leona Valley
None in the last 3 days, to Thu 10 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 Leona Valley, the next 43 hours
Visibility stays 10 miles or more through Sat 5 PM.
F
Now, today, and the week
On the radar over Leona Valley, CaliforniaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture
Weather instrument stations by state
What is measuring near here
The 6 instruments nearest Leona Valley, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.7 miles away.
measured now4 instruments
Rank3,054of 4,465
Citizen station GW7159GW7159
In a volunteer observer's own ground/6.9 mi away/2,684 ft/769 ft below here
temp, humidity, wind, precip, pressure
At an airfield/10.3 mi away/2,346 ft/1,107 ft below here
temp, wind, gust, visibility, precip, pressure
Beside a road/36.3 mi away/4,071 ft/618 ft above here
temp, pavement temp, wind, visibility, precip
measured daily2 instruments
Lancaster 3.7 SWCA-LA-151
In a volunteer observer's own ground/5.7 mi away/2,480 ft/973 ft below here
precip, snowfall, snow depth
At a power station/8.8 mi away/2,165 ft/1,288 ft below here
snowfall, snow depth, precip, high, low
Station report
The weather at Lancaster/Fox Field, drawn
The nearest airport reporting now, 10.3 mi from Leona Valley, California. From its report of Oct 15, 2026, 10:56 PM local time: 3 of its 6 sheets.
The sky
No cloud below 12,000 ft; visibility 10 mi or more.
The air
54.0 F with a dew point of 30.0 F, 40 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 5,400 ft up.
The wind
From the north northwest (340 degrees) at 7 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 43 mph.
What the snow tracker reads here
Every instrument in this state
0in
Snow on the ground
Measured at Saugus Power Plant #1 (SGSC1), 8.8 miles from here, read 14 Oct, 14:30. measured daily
Elsewhere in California
33 places, each with its own forecast and its own instruments.
Big Bear Mountainski areaBishopcityBridgeporttownChina Peakski areaDodge Ridgeski areaDonner PassfeatureFresnocityHeavenlysurveyed ski areaHomewoodski areaJune Mountainski areaKirkwoodsurveyed ski areaLos AngelescityMammoth LakestownMammoth Mountainsurveyed ski areaMount ShastafeatureMount Shasta CitycityMount Shasta Ski Parkski areaMount WhitneyfeatureMountain Highski areaNorthstarsurveyed ski areaPalisades Tahoesurveyed ski areaReddingcitySacramentocitySan DiegocitySan FranciscocitySierra NevadafeatureSierra-at-Tahoeski areaSnow Valleyski areaSouth Lake TahoecitySugar Bowlski areaSusanvillecityTruckeetownYosemitefeature
Near Leona Valley
The nearest places, each with its own forecast and the instruments nearest it.
- Quartz Hillcommunity, 6 mi
- Green Valleycommunity, 6 mi
- Elizabeth Lakecommunity, 6 mi
- Agua Dulcecommunity, 7 mi
- Desert View Highlandscommunity, 8 mi
- Lake Hughescommunity, 10 mi
- Actoncommunity, 10 mi
- Lancastercity, 11 mi
- Palmdalecity, 12 mi
- Santa Claritacity, 17 mi
- Littlerockcommunity, 19 mi
- Rosamondcommunity, 19 mi