Our Proprietary 10-Day Forecast

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Current warnings over Boulder, Montana
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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 Boulder, Montana 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 Boulder, Montana 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 Jefferson County, MT

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 Boulder, Montana

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 Boulder, MT 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 Boulder, MT

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 Boulder, MT, 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 Boulder, Montana

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 Jefferson County, Montana

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.
 
Get access to:
  • European ECMWF HRES
  • American GFS
  • Canadian GDPS GEM
  • German DWD ICON
  • British MetOffice's UKMET Unified Model
  • American NAM
  • American HRRR
  • American NBM - National Blend of Models
  • GEFS, GEPS, MOGREPS & European Ensembles
  • Probabilities & Averages
  • 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.
 
See the latest forecast data as the models update.
 
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Climate Summary
(made with AI, use with caution)
Boulder, Montana Climate Summary

Location

Boulder, Montana, USA

Climate Type

Humid Continental

Average Annual Temperature

42.7°F (5.9°C)

Average Annual Precipitation

13.6 inches (345 mm)

Average Annual Snowfall

56 inches (142 cm)

Seasonal Climate

Spring (March-May)


    •   Temperatures: Average highs in the 50s-60s°F (10-16°C), average lows in the 20s-30s°F (-3 to 1°C)
    •   Precipitation: Moderate, with occasional rain and snow

Summer (June-August)


    •   Temperatures: Average highs in the 70s-80s°F (21-27°C), average lows in the 40s-50s°F (4-10°C)
    •   Precipitation: Light, with occasional thunderstorms

Fall (September-November)


    •   Temperatures: Average highs in the 50s-60s°F (10-16°C), average lows in the 20s-30s°F (-3 to 1°C)
    •   Precipitation: Moderate, with rain and occasional snow

Winter (December-February)


    •   Temperatures: Average highs in the 30s-40s°F (-1 to 4°C), average lows in the teens-20s°F (-9 to -6°C)
    •   Precipitation: Light, mostly in the form of snow

Other Climate Features

    •   Wind

Prevailing winds from the west and southwest

    •   Sunshine

An average of 260 sunny days per year

    •   Humidity

Moderate to high, especially in the summer months

    •   Extreme Weather

Occasional thunderstorms, hail, and winter storms

Climate Trends

    •   Boulder has experienced a slight warming trend in recent decades.
    •   Average annual temperatures have increased by about 1°F (0.6°C) since 1970.
    •   Annual precipitation has remained relatively stable.

Additional Notes

    •   Boulder's climate is influenced by its location in the Rocky Mountains, which can lead to rapid changes in weather conditions.
    •   The city is situated at an elevation of 6,500 feet (1,981 meters), which contributes to its cooler temperatures.

Facts & Historical Information
(made with AI, use with caution)
Boulder, Montana, nestled in the scenic Boulder Valley, boasts a rich natural history and scientific legacy:

  • Geological Marvel:

    Boulder is renowned for its striking granite batholith, the Boulder Batholith, formed during the Cretaceous period. Its unique geological features have attracted scientists and geologists for decades.

  • Paleontological Discoveries:

    The area around Boulder has yielded significant paleontological discoveries, including fossilized remains of ancient marine creatures and dinosaurs. These findings have contributed to our understanding of prehistoric life in the region.

  • Scientific Research:

    Boulder is home to the Boulder River School of Field Science, which offers immersive field research programs in ecology, geology, and environmental science. The school has been a hub for scientific inquiry and education for over 50 years.

  • Conservation Efforts:

    Boulder is surrounded by pristine wilderness areas, including the Absaroka-Beartooth Wilderness and the Gallatin National Forest. Conservation efforts have played a vital role in preserving the area's natural beauty and biodiversity.

  • Notable Personalities:

    Boulder has been home to several notable personalities, including the renowned naturalist and author John Muir, who spent time in the area during his explorations of the Rocky Mountains.

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