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Shaded-relief map of Catheys Valley, California: rivers, roads, the city limits and where the water drains.
CALIFORNIA · MARIPOSA COUNTY

Catheys Valley

829 people, 1,310 ft above sea level in Mariposa County.

1,310 ftElevation, city center
829People, 2024 estimate
24 sq miLand area
Clear 60°
Clear now Dew point 49° · Calm · high 57°
City of Catheys Valley River Interstate 2 miles
Explore the plate Order a print

The Catheys Valley plate. Relief from Copernicus GLO-30; rivers and lakes from USGS NHD; watersheds from the USGS Watershed Boundary Dataset; roads and city limits from Census TIGER 2024.

MILE1
TODAY

Today in Catheys Valley

NWS forecast and National Blend of Models · updated 4:00 PM PST
RIGHT NOW Merced Regional Airport (KMCE) · 4:53 PM
Clear
60° Clear Feels like 60° · high of 57° near 5 PM
WindCalmno gusts
Humidity67%rising to 89% by morning
Pressure29.97 in →steady
Visibility10 mihaze-free
CloudsClear
UV index—no forecast
Dew point 49° · Dryabout the same for three days
DryComfortableStickyMuggyOppressive
NEXT RAIN
Rain
Monday, about 5 AMin about 36 hours · 65% chance · showers
LIKELY AMOUNT0.4–1.2 inmost likely 0.8; 1 in 10 over 1.5
LAST RAINNov. 141.24 in · 0 dry days
ALERTS & OUTLOOKS
! Winter Weather AdvisoryWinter Weather Advisory issued November 14 at 4:32PM PST until November 17 at 4:00AM PST by NWS Hanford CA
NWS Hanford and the Storm Prediction Center · checked 5:15 PM
SUN & MOON
↑ 6:38 AM4:50 PM ↓
10 h 12 m of daylight, 2 minutes less than yesterday
Waxing crescent, 27% lit. Next full moon: Nov. 24.
AIR & POLLEN
31
GOODAir quality index · ozone
Tomorrow: 39, good. No pollen source yet.

The next three days, hour by hour

Sky: clear, cloudy, night Rain likely National Blend of Models
SATURDAY, NOV. 14
SUNDAY, NOV. 15
MONDAY, NOV. 16
TUESDAY, NOV. 17
5p
8p
11p
2a
5a
8a
11a
2p
5p
8p
11p
2a
5a
8a
11a
2p
5p
8p
11p
2a
5a
8a
11a
2p
partly cloudy night
partly cloudy night
partly cloudy night
mostly cloudy night
mostly cloudy night
mostly cloudy day
partly cloudy day
partly cloudy day
partly cloudy night
partly cloudy night
mostly cloudy night
mostly cloudy night
rain
rain
rain
rain
showers night
showers night
mostly clear night
mostly clear night
mostly clear night
mostly sunny
mostly sunny
mostly sunny
TEMPERATURE °F
57°
48°
64°
51°
55°
41°
CHANCE OF RAIN
65% · 0.30 in Monday morning 50%
WIND, MPH
2
3
3
3
6
6
7
6
5
5
4
4
7
7
7
7
6
5
4
4
5
4
5
4
HOW IT FEELS · DEW POINT
Dry: dew points 41 to 52°

The next seven days, and how sure we are

Forecast, with the range 8 in 10 ensemble members agree on Normal, about 80° / 62°
SAT Nov. 14 Partly cloudy Partly cloudy
57° 46°
0% rain — E 3 A
SUN Nov. 15 Partly cloudy; warmer Partly cloudy; warmer
65° 50°
20% rain — SSE 6 A
MON Nov. 16 Showers likely; cooler Showers likely; cooler
57° 41°
60% rain 0.4–1.2″ NNW 7 B
TUE Nov. 17 Sunny Sunny
57° 41°
0% rain — W 3 A
WED Nov. 18 Showers likely Showers likely
54° 45°
100% rain 0.9–2.1″ ESE 14, gusts 31 B
THU Nov. 19 Showers likely Showers likely
55° 41°
80% rain 0.2–1.8″ SE 13, gusts 35 B
FRI Nov. 20 Partly cloudy Partly cloudy
57° 40°
20% rain — WSW 3 C
How sure are we? AModels agree: highs within 4° BSome spread: within 8° CWide spread: check back
Range from the National Blend of Models percentiles · graded on Forecast Scores
AIR MAIL

Where today’s air came from

The air arriving over Catheys Valley about 5,000 feet above the ground was over the Mojave Desert three days ago, and over southern California a day ago, about 410 miles back along its path. The nine paths traced from around the city fan out, so treat that as a best guess. Near the ground the air came from the California coast; at 10,000 feet, from the Sonoran Desert. Traced back 72 hours through NOAA’s hourly RAP analyses, nine paths at each of three heights.

MILE2
THE GROUND

What Catheys Valley stands on

Catheys Valley’s center stands about 1,310 ft above sea level. Within three miles the land runs from 930 ft to 2,690 ft, a difference of 1,760 ft: steep hill country. The highest named summit within 15 miles is Buckingham Mountain, about 4,500 ft, 15 miles east-northeast.

Under the town center the state geologic map shows Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges) (granodiorite), from the Permian to Tertiary, 2.6 to 260 million years old.

The section below crosses 8 rock units mapped at the surface.

Catheys Valley, cut in half from southwest to northeast

A section southwest to northeast, 24 miles through the town center
1,000 ft2,000 ft3,000 ft CATHEYS VALLEY1,310 ftMariposa Creekabout 320 ftCatheys Mountain2,840 ftHigh point of the line3,800 ft ← SWNE →

Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 6×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.

Rock at the surface along the line

Jurassic marine rocks, unit 1 (Western Sierra Nevada and Western Klamath Mountains)

Slate, graywacke. Age: Triassic to Late Jurassic, 145 to 252 million years old. About 11 mi of the line.

Mesozoic volcanic rocks, unit 2 (Western Sierra Foothills and Western Klamath Mountains)

Mafic-volcanic. Age: Jurassic, 145 to 202 million years old. About 4 mi of the line.

Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges)

Granodiorite. Age: Permian to Tertiary, 2.6 to 260 million years old. About 4 mi of the line.

Mesozoic gabbroic rocks, unit 2 (undivided)

Diorite, gabbro. Age: Triassic to Cretaceous, 66 to 252 million years old. About 2 mi of the line.

Quaternary alluvium and marine deposits

Coarse-detrital. Age: Pleistocene to Holocene, less than 2.6 million years old. About 0.7 mi of the line.

Eocene nonmarine rocks, unit 1 (Northern and Central California)

Sandstone. Age: Eocene, 34 to 56 million years old. About 0.6 mi of the line.

From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale. 2 smaller units along the line are not listed.

Heights from Copernicus GLO-90 (a surface model: it includes buildings and tree canopy); summits from USGS GNIS; rivers from USGS NHDPlus HR; rock from the USGS State Geologic Map Compilation.

MILE3
THE WATER

Where Catheys Valley’s rain goes

A raindrop that lands in Catheys Valley reaches San Francisco Bay and the Pacific Ocean by way of Owens Creek, Bear Creek, the San Joaquin and New York Slough: about 200 river miles.

THE WAY DOWN, TO SCALE
Catheys Valley≈ 200 mi · San Francisco Bay and the Pacific Ocean
FROM THE CENTER OF CATHEYS VALLEY ≈ 200 mi to San Francisco Bay and the Pacific Ocean Owens Creek → Bear Creek → San Joaquin → New York Slough

130 miles of the trip are on the San Joaquin.

Often dry. About 30% of the way is mapped as streams that run only after rain or snowmelt; the water makes the whole trip in floods.

Traced down the USGS NHDPlus V2.1 river network from the Census center point of Catheys Valley; river miles along the main stem, rounded.

MILE7
ON THE NETWORK

Around Catheys Valley on the Forecast Network

Neighboring plates

Merced CA · 23 MI 23 miles west Madera CA · 32 MI 32 miles south Fresno CA · 48 MI 48 miles south San Jose CA · 95 MI 95 miles west Sacramento CA · 109 MI 109 miles northwest San Francisco CA · 162 MI 162 miles west
FORECASTCITY
Map of Catheys Valley, California. Explore the plate
CALIFORNIA · MARIPOSA

Catheys Valley

829 people, 1,310 ft above sea level in Mariposa County.

1,310 ftElevation
829People
24 sq miLand
Clear 60°
ClearDew point 49°
1

Today in Catheys Valley

NEXT 15 HOURS
Now mostly clear night 57° 0%
8p partly cloudy night 51° 0%
11p partly cloudy night 49° 0%
2a partly cloudy night 49° 0%
5a mostly cloudy night 48° 0%
8a mostly cloudy day 52° 0%
Rain
NEXT RAINMonday about 5 AM · 65%
→
Sat0%
Partly cloudy Partly cloudy
46
57
A
Sun20%
Partly cloudy; warmer Partly cloudy; warmer
50
65
A
Mon60%
Showers likely; cooler Showers likely; cooler
41
57
B
Tue0%
Sunny Sunny
41
57
A
Wed100%
Showers likely Showers likely
45
54
B
Thu80%
Showers likely Showers likely
41
55
B
Fri20%
Partly cloudy Partly cloudy
40
57
C
Letters show how sure the forecast is: A, models agree; B, some spread; C, check back. Sample data.
2

What Catheys Valley stands on

Catheys Valley’s center stands about 1,310 ft above sea level. Within three miles the land runs from 930 ft to 2,690 ft, a difference of 1,760 ft: steep hill country. The highest named summit within 15 miles is Buckingham Mountain, about 4,500 ft, 15 miles east-northeast.

Catheys Valley, southwest to northeast Catheys Valley1,310 ftMariposa Creekabout 320 ftCatheys Mountain2,840 ft ← SWNE → 24 miles through the town center; vertical exaggeration about 11×. Colors: rock at the surface.
Elevation, center1,310 ft
Within 3 miles930 to 2,690 ft
Lie of the landSteep hill country (1,760 ft of relief)
High point nearbyBuckingham Mountain, 4,500 ft, 15 mi east-northeast
Rock at the surfaceMesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges)
Its agePermian to Tertiary, 2.6 to 260 million years old
3

Where the rain goes

≈ 200 mito the PacificOwens Creek → Bear Creek → San Joaquin → New York Slough

A raindrop that lands in Catheys Valley reaches San Francisco Bay and the Pacific Ocean by way of Owens Creek, Bear Creek, the San Joaquin and New York Slough: about 200 river miles.

130 miles of the trip are on the San Joaquin.

Often dry. About 30% of the way is mapped as streams that run only after rain or snowmelt; the water makes the whole trip in floods.