Forecast Mount Rainier: Weather Predictions and Conditions

Mount Rainier’s weather forecast for the next 48 hours indicates varying conditions with temperatures ranging from 37°F to 57°F. Expect light showers and overcast skies, with a chance of precipitation between 67% and 87%. Wind speeds are relatively low, ranging from 1 to 5 mph. While no significant snowfall is expected at lower elevations, higher altitudes may experience snow. Visibility is generally good but may be reduced during precipitation events.

What are the Current Temperature Ranges for Mount Rainier?

forcast mount rainier
Image ‘File:Mount Rainier with waterfall.jpg’ by Zmackerel, licensed under CC0

The temperature forecast for Mount Rainier shows a range of conditions over the next few days:

  • Thursday, November 21: High of 51°F (10.6°C), low of 37°F (2.8°C)
  • Friday, November 22: High of 57°F (13.9°C), low of 42°F (5.6°C)
  • Saturday, November 23: High of 53°F (11.7°C), low of 40°F (4.4°C)

These temperatures provide a moderate climate for the season, with daytime highs reaching the 50s and nighttime lows in the upper 30s to low 40s.

What Precipitation Can Be Expected on Mount Rainier?

forcast mount rainier
Image ‘File:Mount Rainier behind the flowering meadows of Paradise Park (18 August 2012).jpg’ by Bob Collowan, licensed under CC BY-SA 3.0

The forecast for Mount Rainier indicates a high likelihood of precipitation:

  • Thursday, November 21: 67% chance of precipitation, with 0.10\” of rainfall expected
  • Friday, November 22: 87% chance of precipitation, with 0.26\” of rainfall expected

While these figures represent rainfall at lower elevations, it’s important to note that precipitation may fall as snow at higher altitudes on the mountain. Visitors should be prepared for wet conditions and potential snow accumulation in elevated areas.

How Will Wind Affect the Mount Rainier Forecast?

Wind conditions on Mount Rainier are expected to be relatively mild:

  • Thursday, November 21: Wind speed of 1 mph
  • Friday, November 22: Wind speed of 5 mph

These low wind speeds suggest that wind chill factors will not significantly impact the perceived temperature. However, conditions can change rapidly on the mountain, and visitors should always be prepared for sudden weather shifts.

What is the Hourly Forecast for Mount Rainier?

Here’s a detailed breakdown of the hourly forecast for Mount Rainier:

Thursday, November 21

Time of Day Conditions Temperature Wind Speed Humidity Precipitation Chance
Morning Partly cloudy 37°F (2.8°C) 1 mph 81% 67%
Afternoon Overcast, light showers 49°F (9.4°C) 1 mph 81% 67%
Evening Overcast, light showers 45°F (7.2°C) 1 mph 81% 67%

Friday, November 22

Time of Day Conditions Temperature Wind Speed Humidity Precipitation Chance
Morning Overcast, light rain 42°F (5.6°C) 5 mph 64% 87%
Afternoon Overcast, light rain 55°F (12.8°C) 5 mph 64% 87%

How Will Visibility Be Affected on Mount Rainier?

Visibility on Mount Rainier is generally expected to be good, but it may be reduced during precipitation events. On Thursday, November 21, visibility is forecasted to be clear for most of the day. However, during heavy precipitation, visibility could be reduced to as low as 4 miles (6 km).

Visitors should be aware that visibility can change rapidly on the mountain, especially with the predicted overcast conditions and light showers. It’s crucial to stay informed about current conditions and be prepared for sudden changes in visibility.

What Should Visitors Know About Snow Levels on Mount Rainier?

While the provided forecast doesn’t specify detailed snowfall accumulation or snow levels for the next 48 hours, it’s important to understand that snow conditions on Mount Rainier can vary greatly depending on elevation:

  • Lower Elevations: The current forecast indicates rain rather than snow, with temperatures above freezing.
  • Higher Elevations: Snow is more likely at higher altitudes, even when lower areas are experiencing rain.

Visitors planning activities at higher elevations should be prepared for potential snow conditions, even if lower areas are snow-free. It’s always advisable to check specialized mountain weather forecasts or avalanche reports for more detailed information on snow levels and conditions at specific elevations.

How Does the Forecast Impact Hiking and Outdoor Activities?

The current forecast for Mount Rainier has several implications for hiking and outdoor activities:

  1. Wet Conditions: With high chances of precipitation, hikers should be prepared with waterproof gear and appropriate footwear.
  2. Temperature Variations: Layered clothing is essential to adapt to changing temperatures throughout the day.
  3. Reduced Visibility: Overcast conditions and potential precipitation may impact visibility, especially at higher elevations.
  4. Trail Conditions: Rain and potential snow at higher elevations may affect trail conditions, possibly making them slippery or muddy.
  5. Weather Changes: Mountain weather can change rapidly, so visitors should be prepared for conditions to shift quickly.

It’s crucial for all visitors to check current conditions before setting out and to be prepared for a range of weather scenarios.

What Emergency Preparedness is Recommended Given the Forecast?

Given the forecast for Mount Rainier, visitors should consider the following emergency preparedness measures:

  • Carry extra layers of clothing, including waterproof and insulating layers
  • Pack emergency shelter, such as a lightweight tent or emergency blanket
  • Bring sufficient food and water for your planned trip, plus extra in case of delays
  • Carry a first aid kit and know how to use it
  • Bring navigation tools like a map and compass, and know how to use them in case of reduced visibility
  • Have a reliable communication device and share your trip plans with someone not in your group
  • Be familiar with signs of hypothermia and how to treat it, given the wet and cool conditions

Remember, mountain weather can be unpredictable, and conditions can change rapidly. Always err on the side of caution and be prepared to turn back if conditions deteriorate.

References:

  1. Mount Rainier 14 Day Extended Forecast – Time and Date
  2. Mount Rainier National Park 14-Day Weather – WeatherWorld.com
  3. Mt. Rainier Weather & Road Conditions – Visit Rainier

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