National Weather Service United States Department of Commerce

Atmospheric River in the Pacific Northwest and Northern Rockies this Weekend

A Pacific storm and atmospheric river will impact the Pacific Northwest states and northern Rockies this weekend, bringing locally heavy low elevations rain and heavy high elevation snow in the mountains. By Sunday over the Interior Northwest, rain combined with snowmelt will increase the risk of flood hazards. Flood Watches are in effect. Read More >

Missoula, MT

Weather Forecast Office

Climate

Weather.gov > Missoula, MT > Climate
 

Recent Temperatures & Precipitation in Missoula, MT and Kalispell, MT

Temperature

Graphs of daily average temperatures, their departures from normal, as well as daily maximum and daily minimum temperatures over the past 30, 90, and 365 days. Shading reflects daily departures from normal using standard convention: red for warmer than normal, blue for colder than normal.
 

 
Precipitation

Graphs of precipitation departures from normal (top chart) with daily accumulation (bottom chart) over 30, 90, and 365 days are shown here. Shading for rainfall departures follows standard convention: green for wetter than normal, brown for drier than normal.
 

 
   

Flathead Lake Climatology

 
Flathead Lake level (in ft) and lake temperature (in degrees F) graphs. Lake level observations were taken from Salish Point near Polson and lake temperatures were provide by Flathead Lake Biological Station.
 


 
Temperature and precipitation outlooks for the 6-10 day and 8-14 day periods. Issued daily by the NOAA/NWS Climate Prediction Center. Click for explanation of Temperature or Precipitation.
 

6-10 Day Outlook
Temperature
 Precipitation

 

8-14 Day Outlook
Temperature
 Precipitation


 
One Month and Three-Month temperature and precipitation outlooks. The outlooks are issued by the Climate Prediction Center on the last day of each month (valid for the following month), with an update to the outlook on the third Thursday of the following month.
 

One Month Outlook

Two Week Lead Time Forecast
Temperature
 Precipitation
 

Zero Lead Time Forecast
Temperature
 Precipitation

 

Three Month Outlook
Temperature
 Precipitation
Links to annual observed and mean high, low and average temperature (in degrees F) as well as precipitation and snowfall (in inches) for Missoula, Kalispell and Butte. Values are based on the 1981-2010 normals.
 
Missoula
 Kalispell
 Butte
 

These Graphs Can Be Found At:

https://www.weather.gov/mso/cliplot

Northern Rockies Climate Facts

 
Montana Idaho
 

Missoula, MT Climatology for Holidays and Other Significant Dates
 

Kalispell, MT Climatology for Holidays and Other Significant Dates
 

Butte, MT Climatology for Holidays and Other Significant Dates
 

Orofino, ID Climatology for Holidays and Other Significant Dates

Historical Map

 

If the map will not load, allow browser to load unsafe script or go to Historical Map.

NOWData (NOAA Online Weather Data) is a user interface available to access a variety of location-based climate information and records for NWS Missoula's area of responsibility.

Here are some step-by-step instructions for using NOWData:
  1. Location >>
    • Select a location by simply clicking on a location name in the list, or press the "View Map" button to bring up a map of locations.
    • NOTE: For Missoula, MT climate, it is recommended that users use the "Missoula Area" location, which includes climate records prior to 1948.
  2. Product >>
    • Select one of nine available climate products using the radio buttons. A description of each product can be found in the yellow "Product Description" section.
  3. Options >>
    • Select from a host of options that will be available to you. Options will vary depending on which product you chose in Step 2.
    • For products which have a "Year Range:", typing in the phrase "por" for a starting range will return information across that location's period of record.
  4. View >>
    • Press the "Go" button, and a seperate window will pop open to view your specified climate product, location and options.

 

Annual Precipitation Maps

 

 

Northern Rockies Northwest Montana
 
Southwest Montana North Central Idaho
 
Lemhi Idaho

 

 

Monthly Precipitation Maps

 

 

January February
 
March April
 
May June
 
July August
 
September October
 
November December

 

 

Astronomical Data

 

Sun and Moon

 

Tides and Currents

 

Time

 

The U.S. Naval Observatory (USNO) computes astronomical data. Therefore, the NWS does not record, certify, or authenticate astronomical data. Computed times of sunrise, sunset, moonrise, moonset; and twilight, moon phases and other astronomical data are available from USNO's Astronomical Applications Department (http://www.usno.navy.mil). See http://www.usno.navy.mil/USNO/astronomical-applications/astronomical-information-center/litigation for information on using these data for legal purposes.

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