Lassen Volcanic National Park, CA

Home / Locations / California / Lassen Volcanic National Park, CA
Lassen Volcanic National Park, California

Today’s Forecast:

🌤
50°F
High: 51° | Low: 34°
Current Temperature
Station: VIOC1
Observed at: 6:52 pm CST on 11/12/26
Wind: 4 mph | Humidity: 41%
⚠️
Winter Storm Warning
Winter Storm Warning issued November 12 at 12:12PM PST until November 14 at 10:00AM PST by NWS Sacramento CA (Expires: November 14, 2026 12:00 pm)
Show Alert Details & Instructions
Description: * WHAT...Snow is expected for elevations above 6000 feet. Total snow accumulations 6 to 12 inches, with up to 18 inches at the highest peaks. Minor accumulations of around an 2 inch possible down to 5000 feet. Winds could gust as high as 60 mph. * WHERE...Northern Sierra above 6000 feet, including Highway 50, Interstate 80, State Route 4, State Route 108, Southern Cascades above 6000 feet, including Lassen National Park. * WHEN...From 10 AM Friday to 10 AM PST Saturday. * IMPACTS...Travel could be very difficult. The hazardous conditions will impact the Friday evening commute. Strong winds could cause downed tree branches, localized power outages, and reduced visibilities. * ADDITIONAL DETAILS...Snow levels 6500 to 7500 feet Friday, dropping to 5500 to 6000 feet Saturday morning. Heaviest snowfall expected late Friday morning into the overnight hours. Light flurries to 2 inches possible down to 5000 feet with higher accumulations remaining above 6000 feet. Lull in activity Saturday afternoon through Sunday, followed by additional snow Sunday night through Monday. Instructions: Check the latest road conditions from Caltrans online at quickmap.dot.ca.gov or dial 5 1 1.

This Afternoon:Partly sunny. High near 51, with temperatures falling to around 45 in the afternoon. South wind around 12 mph, with gusts as high as 39 mph.
Tonight:Rain after 11pm. Mostly cloudy. Low around 34, with temperatures rising to around 36 overnight. South wind 15 to 22 mph, with gusts as high as 51 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday:A chance of rain before 7am, then rain and snow. Cloudy. High near 37, with temperatures falling to around 31 in the afternoon. South southwest wind 7 to 23 mph, with gusts as high as 53 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Advertisement

Today’s Report:

🥾 Hiking

  11 /100

Not Recommended for hiking. High near 36°F. Rain forecast later today (100%). Breezy winds (23 mph). Temperatures outside comfort limits (36°F).

  • Temp: Unfavorable weather factor
  • Rain: Marginal weather factor
  • Wind: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended 18/100
Not Recommended for hiking. High near 33°F. Risk of rain (35%). Light wind (6 mph). Temperatures outside comfort limits (33°F).

⛺ Camping

  11 /100

Not Recommended for camping. High near 36°F. Rain forecast later today (100%). Breezy winds (23 mph). Temperatures outside comfort limits (36°F).

  • Temp: Unfavorable weather factor
  • Rain: Marginal weather factor
  • Wind: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended 18/100
Not Recommended for camping. High near 33°F. Risk of rain (35%). Light wind (6 mph). Temperatures outside comfort limits (33°F).

🎪 Outdoor Events / Activities

  11 /100

Not Recommended for outdoor events / activities. High near 36°F. Rain forecast later today (100%). Breezy winds (23 mph). Temperatures outside comfort limits (36°F).

  • Temp: Unfavorable weather factor
  • Rain: Marginal weather factor
  • Wind: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended 12/100
Not Recommended for outdoor events / activities. High near 33°F. Risk of rain (35%). Light wind (6 mph). Temperatures outside comfort limits (33°F).

🛷 Sledding / Snowshoeing

Use Caution
  43 /100

Use Caution for sledding / snowshoeing. High near 36°F. Rain forecast later today (100%). Breezy winds (23 mph).

  • Temp: Favorable conditions
  • Rain: Marginal weather factor
  • Wind: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 100/100
Excellent for sledding / snowshoeing. High near 33°F. Low rain risk (35%). Light wind (6 mph).

About Lassen Volcanic National Park

Lassen Volcanic National Park is an outdoor-planning page for Lassen park road and primary trail and lake areas. It has a distinct purpose centered on deep seasonal snow, delayed road access, cold nights, storms, and smoke, with the forecast used to choose the safest and most comfortable version of the day.

Make the Most of a Lassen Volcanic National Park Day

Start by comparing conditions across Manzanita Lake, Bumpass Hell, and the rest of the coverage area. Choose among hiking, camping, outdoor events based on wind, precipitation, temperature, visibility, water or trail conditions, road access, smoke, and available daylight.

Weather Tips for Lassen Volcanic National Park

  • Conditions around Lassen park road and primary trail and lake areas can differ sharply from nearby towns; deep seasonal snow, delayed road access, cold nights, storms, and smoke are the main planning variables.
  • For camping, confirm overnight lows, wind, precipitation, fire restrictions, campground access, and how quickly shelter or services can be reached.
  • Check elevation-specific forecasts, snow and ice, chain controls, seasonal roads, cold nights, thunderstorms, wildfire smoke, and shoulder-season closures.
  • Check current road, trail, ramp, campground, and park alerts before relying on a remote access point.

Nearby Towns and Areas

This page covers Lassen park road and primary trail and lake areas. It can also be useful when planning outdoor time near:

  • Manzanita Lake
  • Bumpass Hell
  • Kohm Yah-mah-nee
  • Summit Lake
  • Mineral
  • Chester
  • Lake Almanor

Plan Around the Conditions

Use the forecast to choose the best version of Lassen Volcanic National Park rather than forcing one itinerary. A shorter route, earlier launch, sheltered shoreline, lower-elevation trail, or town-based backup can preserve the day when conditions change.

7-Day Forecast for Lassen Volcanic National Park

🌤
50°F
High: 51° | Low: 34°
Current Temperature
Station: VIOC1
Observed at: 6:52 pm CST on 11/12/26
Wind: 4 mph | Humidity: 41%
Thu ⛅
51° 34°
1%
Fri ❄
37° 26°
100%
Sat ❄
34° 26°
35%
Sun ❄
32° 26°
98%
Mon ❄
29° 20°
48%
Tue ⛅
32° 21°
11%
Wed ❄
27° 22°
85%

7-Day High Temperature Trend

51° Thu 37° Fri 34° Sat 32° Sun 29° Mon 32° Tue 27° Wed

7-Day Low Temperature Trend

34° Thu 26° Fri 26° Sat 26° Sun 20° Mon 21° Tue 22° Wed

📊 7-Day Outdoor Outlook

Good Fair Poor 75 Thu 12 Fri 19 Sat 18 Sun 19 Mon 20 Tue 12 Wed
Forecast data from the National Weather Service  |  Last Updated: November 12, 2026 8:36 pm CST

Lassen Volcanic National Park Weather by Season

Winter

At Lassen Volcanic National Park, winter brings snow, ice, chain controls, closed roads, and limited trail access. Conditions vary sharply by elevation, and cold nights or storms can make short trips more serious than valley forecasts suggest.

Spring

Around Lassen park road and primary trail and lake areas, spring is a long shoulder season with lingering snow, mud, icy mornings, and roads or campgrounds opening in stages. Lower trails may be usable well before the high country.

Summer

For deep seasonal snow, delayed road access, cold nights, storms, and smoke, summer opens the broadest access, but high-elevation sun, cold nights, afternoon thunderstorms, wildfire smoke, and fire restrictions remain central. Finish exposed ridges before storms build.

Fall

Near Manzanita Lake and the surrounding area, early fall can provide crisp hiking and biking weather, followed by freezing nights and the first snow. Services and roads may close before lower elevations feel wintry.

Key Climate Data Points

  • Warmest months: July and August at higher elevations.
  • Coolest months: December through February.
  • Wettest season: November through April, much of it as snow.
  • Driest season: July through September.
  • Best outdoor window: Mid-summer through early fall after roads open and before persistent snow.