Our Proprietary 10-Day Forecast

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Current warnings over Hamilton, 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 Hamilton, 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 Hamilton, 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 Ravalli 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 Hamilton, 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 Hamilton, 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 Hamilton, 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 Hamilton, 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 Hamilton, 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 Ravalli 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.
 
F5Weather Maps

Climate Summary
(made with AI, use with caution)
Hamilton, MT Climate Summary

General Climate

    •   Humid continental climate with warm summers and cold, snowy winters.
    •   Influenced by the Rocky Mountains to the west and the Great Plains to the east.

Temperature

    •   Average Annual Temperature

46.2°F (7.9°C)

    •   January Average Low

14.5°F (-9.7°C)

    •   July Average High

83.4°F (28.6°C)

    •   Record Low

-45°F (-42.8°C)

    •   Record High

105°F (40.6°C)

Precipitation

    •   Average Annual Precipitation

17.8 inches (452 mm)

    •   Most Precipitation (May)

2.5 inches (64 mm)

    •   Least Precipitation (December)

0.9 inches (23 mm)

    •   Average Snowfall

54.5 inches (138 cm)

Wind

    •   Average Wind Speed

13 mph (21 km/h)

    •   Prevailing Wind Direction

West

Humidity

    •   Average Relative Humidity

60%

Sunshine

    •   Average Annual Sunshine

268 days

    •   Clearest Month (June)

28% cloud cover

    •   Cloudiest Month (December)

52% cloud cover

Other Climate Data

    •   Growing Season

110-120 days

    •   Hardiness Zone

6a

    •   Elevation

3,661 feet (1,116 meters)

Climate Trends

    •   Hamilton has experienced a slight warming trend in recent decades, with average annual temperatures increasing by about 1.5°F (0.8°C) since the 1970s.
    •   Precipitation patterns have remained relatively stable, with no significant long-term trends.

Facts & Historical Information
(made with AI, use with caution)
Nestled in the Bitterroot Valley, Hamilton, Montana, boasts a rich natural and historical tapestry.

Natural History

    •   The Bitterroot River, a renowned trout stream, meanders through the town.

    •   The Bitterroot National Forest, a vast wilderness area, offers stunning mountain scenery and abundant wildlife.

    •   The Sapphire Mountains, known for their vibrant gemstones, lie nearby.

Science

    •   Hamilton is home to the University of Montana Western, a renowned liberal arts college with a focus on environmental science.

    •   The Bitterroot Science and Discovery Center features interactive exhibits on local ecology and geology.

Personalities

  • Jeannette Rankin:

    The first woman elected to Congress (1916), Rankin was born in Hamilton.

  • Meriwether Lewis:

    The explorer passed through the Bitterroot Valley during the Lewis and Clark Expedition (1805-1806).

  • Chief Joseph:

    The Nez Perce leader led his people through the Bitterroot Mountains during their historic flight from the U.S. Army (1877).

  • Tourist Attractions
    1.Bitterroot Valley National Forest

    is a vast and beautiful wilderness area that offers a variety of recreational opportunities, including hiking, biking, fishing, and camping. The forest is home to a variety of wildlife, including elk, deer, bears, and wolves.

    2.The Sapphire Mountains

    are a stunning mountain range that offers breathtaking views. The mountains are home to a variety of hiking trails, including the popular Sapphire Ridge Trail.

    3.The Daly Mansion

    is a historic mansion that was built in the late 1800s. The mansion is now a museum that offers tours of the home and grounds.

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