Our Proprietary 10-Day Forecast

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Current warnings over Ketchum, Idaho
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<p>Warnings from F5Weather</a></div>

United States weather warnings are issued by various organizations under NOAA. Most from the National Weather Service, but also Storm Prediction Center and National Hurricane Center.

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Current radar over Ketchum, Idaho red dot
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<p>Live radar from F5Weather</a></div>

Our radar is based off of US NEXRAD and Canadian weather radar sites through the quality controlled MRMS system. It compiles various sources for radar data and filters out erroneous returns such as sun spikes and ground clutter. We then colorize the precipitation based on our methods for determining precipitation type. Rain is in shades of green, mixed precipitation and freezing rain in shades of pink and snow is in shades of blue.

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Current satellite over Ketchum, Idaho red dot
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<p>Live satellite from F5Weather</a></div>

Our satellite is from the GOES-16. It is color enhanced by using a geocolor terrain background during the day and black marble city lights at night. The daytime satellite data is Visible satellite imagery, and nighttime uses Infrared bands. The bluish clouds are fog and low cloud. The whiteest clouds are the coldest, highest cloud tops.

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Current surface weather map around Blaine County, ID

This surface map is from the HRRR computer model. It is a 1-hour forecast, updated hourly, which is a good estimate of the current surface conditions. This map shows the current high and low pressure centers, pressure isobar contours, wind streamlines and thickness contours. It also shows the currently depicted preciptiation estimates, although this should not be a substitute for actual live radar. The purple dashed contour is the 5400m thickness line, which is often a good proxy for the rain/snow line.

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Temperatures right now near Ketchum, Idaho

This is the latest surface temperatures as depicted by the HRRR computer model, updated hourly. Although these are not actual observations, this model is a very good representation of current conditions as it factors in observations, terrain and physics to give you more detailed temperatures in areas that do not have reporting weather stations. For the latest reports at specific locations, like in Ketchum, ID please see our current conditions data on the left and right side of this page, or go to our current conditions page.

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Surface wind speed map over Ketchum, ID

This map shows the latest HRRR computer model winds. This depiction of the current wind directions and speeds is an estimate from the computer model. For actual observations in Ketchum, ID, see the current conditions data on the left and right side of this page, or go to our current conditions page.

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Regional 24 hour rainfall expected near Ketchum, Idaho

This is a forecast of the amount of precipitation expected over the next 24 hours from the HRRR weather forecast model. This is only one forecast depiction, and you should check other models to get a better idea of what may happen. You can view this and other models in more detail on our main weather forecast maps page. There, you will also be able to look at forecasts beyond just 24 hours and look at forecasts out to as far as 16 days.

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Area snowfall accumulation expected around Blaine County, Idaho

This is snowfall forecast, with amounts anticipated in the next 24 hours. This guidance is from the HRRR weather model. For more model forecasts out to 16 days, visit our main weather forecast maps page.

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These are Convective Outlooks from the Storm Prediction Center. Click to see Days 1-3 broken down into Tornado, Wind and Hail threats, as well as days 5-8 outlooks.

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Atlantic Hurricane and Tropical Storm Tracking Map
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<p>Hurricane Tracking from F5Weather</a></div>

Our hurricane tracking map monitors for any current or forecast tropical disturbances in the Atlantic. (See our Pacific Hurricane Tracker) Various hurricane models will draw a 'spaghetti plot' in the Atlantic Basin when a disturbance is forecast or exists, showing the system's forecast track. Once a storm has developed, the National Hurricane Center will forecast their official track. This will show up on the map along with the storm's current intensity, track and name. We will also plot some of the storm's vitals and of course the spaghetti plots from the models along with the NHC forecast track will give you an idea of where it's heading, and its forecast intensity with time.

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To view the latest computer models, visit f5wx.com for access to the weather maps and guidance that meteorologists use to make their forecasts.
 
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  • 3-Ensemble Mean & more!
View Skew-T soundings, textual data tables for your location, and of course maps! Weather forecast maps of the basics like temperature, wind, pressure, humidity, dew point, cloud cover, simulated radar, travel weather, rainfall and snow are available. More advanced users can also get use out of our severe weather & tornado threat maps, as well as upper air & shear graphics.
 
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Climate Summary
(made with AI, use with caution)
Climate Summary for Ketchum, ID

Average Annual Temperature

35.8°F (2.1°C)

Average Annual Precipitation

17.8 inches (452 mm)

Average Annual Snowfall

134 inches (340 cm)

Köppen Climate Classification

Dfb (Continental Subarctic)

Climate Summary

Ketchum, Idaho has a continental subarctic climate, characterized by long, cold winters and short, cool summers. The average annual temperature is 35.8°F (2.1°C), with average January temperatures of 19.3°F (-7.1°C) and average July temperatures of 62.3°F (16.8°C). Precipitation is relatively low, averaging 17.8 inches (452 mm) per year, with most precipitation falling as snow during the winter months. The average annual snowfall is 134 inches (340 cm).

Winter

Winters in Ketchum are long and cold, with average temperatures below freezing from November through March. The coldest month is January, with an average temperature of 19.3°F (-7.1°C). Snowfall is common during the winter months, with an average of 134 inches (340 cm) of snow falling each year. Snowstorms can be heavy and can cause significant travel disruptions.

Spring

Spring arrives in Ketchum in April, with temperatures gradually warming up. The average temperature in April is 36.5°F (2.5°C), and by May, the average temperature has risen to 47.2°F (8.4°C). Snowmelt can cause flooding in the spring, and the risk of avalanches is also high during this time of year.

Summer

Summers in Ketchum are short and cool, with average temperatures in the 60s Fahrenheit (15-20°C). The warmest month is July, with an average temperature of 62.3°F (16.8°C). Precipitation is relatively low during the summer months, with most precipitation falling as afternoon thunderstorms.

Fall

Fall arrives in Ketchum in September, with temperatures gradually cooling down. The average temperature in September is 52.7°F (11.5°C), and by November, the average temperature has dropped to 32.6°F (0.3°C). Snowfall can begin as early as October, and by November, the town is typically covered in snow.

Overall

Ketchum, Idaho has a continental subarctic climate, characterized by long, cold winters and short, cool summers. The town receives an average of 17.8 inches (452 mm) of precipitation per year, with most precipitation falling as snow during the winter months. The average annual snowfall is 134 inches (340 cm).

Facts & Historical Information
(made with AI, use with caution)
Natural History

    •   Ketchum is situated in the heart of the Sawtooth Mountains, renowned for their rugged peaks and alpine lakes.

    •   The area is home to abundant wildlife, including moose, elk, deer, and black bears.

    •   The Big Wood River, a major tributary of the Snake River, flows through Ketchum.

Science

    •   The Idaho Conservation League, a prominent environmental organization, is headquartered in Ketchum.

    •   The Sun Valley Center for the Arts hosts the annual Sun Valley Film Festival, showcasing documentaries and films on environmental issues.

Personalities

  • Ernest Hemingway:

    The Nobel Prize-winning author spent his summers in Ketchum from 1939 until his death in 1961. His former home is now a museum.

  • Sun Valley Resort:

    Founded in 1936, Sun Valley is one of the oldest and most iconic ski resorts in the United States. It has hosted numerous celebrities and political figures.

  • David Attenborough:

    The renowned British naturalist and broadcaster filmed several episodes of his \

    • Tourist Attractions
    1. Sun Valley Resort

    2. Ernest Hemingway Memorial

    3. Sawtooth National Forest

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