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Alturas, CA · Lassen County
Right Now
Mostly Clear
Water
71°
Wind
14 mph
W
Gusts
21 mph
Pressure
29.69
falling
Forecast - Fri, Jun 26
High / Low
67° / 50°
Wind
9 mph
gusts 28 mph
Precip
91%
UV
7
Sunrise
12:30 PM
Sunset
3:38 AM
Every forecast metric for the week ahead — plus AI-picked best days for fishing, boating, swimming, and paddling.
Instant recommendations based on wind, precip, pressure, solunar, and temperature.
Best for Fishing
Mon, Mon, Jun 29
Mon, Jun 29 scores 70/100 — Solunar 5/5, Wind 8 mph.
Best for Boating
Mon, Mon, Jun 29
Mon, Jun 29 scores 90/100 — Wind 8 mph, Rain 0%.
Best for Swimming
Sat, Sat, Jul 4
Sat, Jul 4 scores 75/100 — Air 80°F, Rain 0%.
Best for Paddling
Mon, Mon, Jun 29
Mon, Jun 29 scores 85/100 — Wind 8 mph, Rain 0%.
Ask the AI assistant about this week:
Swipe to see all 9 days
| Metric | Fri26 | Sat27 | Sun28 | Mon29 | Tue30 | Wed1 | Thu2 | Fri3 | Sat4 |
|---|---|---|---|---|---|---|---|---|---|
| Condition | Drizzle | Rain | Mostly Cloudy | Partly Cloudy | Clear | Partly Cloudy | Mostly Clear | Mostly Clear | Clear |
| High / Low | 67°/50° | 54°/41° | 58°/37° | 67°/40° | 69°/44° | 70°/45° | 73°/46° | 73°/49° | 80°/51° |
| Precip | 91% | 84% | 35% | 0% | 0% | 0% | 0% | 0% | 0% |
| Wind | 17 mphgust 28 | 15 mphgust 25 | 10 mphgust 18 | 8 mphgust 17 | 11 mphgust 23 | 9 mphgust 20 | 10 mphgust 18 | 9 mphgust 19 | 5 mphgust 15 |
| Pressure | 29.78" stable | 29.91" rising | 29.99" rising | 29.90" falling | 29.87" falling | 29.84" falling | 29.85" stable | 29.95" rising | 30.00" rising |
| UV Index | 7 | 5 | 6 | 7 | 9 | 7 | 8 | 9 | 11 |
| Sunrise | 12:30 PM | 12:31 PM | 12:31 PM | 12:31 PM | 12:32 PM | 12:32 PM | 12:33 PM | 12:34 PM | 12:34 PM |
| Sunset | 3:38 AM | 3:38 AM | 3:38 AM | 3:38 AM | 3:38 AM | 3:38 AM | 3:38 AM | 3:38 AM | 3:37 AM |
| Bite Rating | 2/5waxing gibbous | 3/5waxing gibbous | 2/5waxing gibbous | 5/5FULL | 4/5FULL | 3/5FULL | 3/5waning gibbous | 3/5waning gibbous | 2/5waning gibbous |
Today Read
West Valley ReservoirWind read
Calm
9 mph avg
Water read
71°
Warm-water bite
Air range
50° / 67°
today
Precip
91%
watch timing
Today's forecast for West Valley Reservoir has calm wind, 50F to 67F air temperatures, 91% chance of precipitation, and 71F water.
AI read · today
Warm water pushes the plan toward oxygen, shade, depth changes, and low light. The planning constraint is wind control.
Reads 9 live data sources for this lake — tap a stat or ask anything to see its work.
Fishing Forecast
waxing gibbous
Major
7:00 AM - 7:00 AM
Minor
12:53 AM - 2:23 AM
Detailed temperature readings across your lake.
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Fish Species
5Water Temperature History
Current
74°
Jul 5
Low
33°
Nov 16
Average
58°
Last 12 Months
Warmest avg: July (76°F)
Coolest avg: December (33°F)
Rapid warming: April → May (+13°F)
Sharpest cooling: September → October (-15°F)
Wind speed, gusts, and pressure trends for trip timing.
Swipe days or tap points
7am - 6am
Peak Wind
17 mph
11pm
Peak Gust
28 mph
highest gust
Pressure
29.76 inHg
rising
Visibility
33 mi
40% clouds
Tap chart for details, swipe left or right for different days.Tap chart for details • Swipe for different days
Pressure stability helps plan windows
Tap chart points for pressure details
Nearby Lakes
Fishing Forecast
2/5waxing gibbous
Water at 71°F -- warm-water species active.
Fish Species
5Nearby Lakes
FAQ
West Valley Reservoir covers 996.00 acres (1.56 square miles)
West Valley Reservoir is located in Alturas, Lassen County, CA. It is accessible to the public for outdoor activities.