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Montana Government Data
3,256 open datasets about Montana from federal agencies.
Datasets
3,256
State government
0
County and city
0
Federal, about the state
3,256
Open data portals
Official portals run by governments in Montana
No Montana portal in our list yet
Datasets below come from Data.gov and federal agencies. We add state and local portals as we find them.
Montana datasets
3,256 datasets
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- Hungry Horse Dam, Montana Cooperative Hydromet Weather Station - National Oceanic and Atmospheric Administration (NOAA) (HGWM) Daily Total Precipitation Time Series DataDepartment of the Interior · Bureau of Reclamation · Covers MontanaHungry Horse Dam, Montana Cooperative Hydromet Weather Station - National Oceanic and Atmospheric Administration (NOAA) (HGWM) daily precipitation in inches (in).Updated 10/24/2026Daily
- Hungry Horse Dam, Montana Cooperative Hydromet Weather Station - National Oceanic and Atmospheric Administration (NOAA) (HGWM) Daily Maximum Air Temperature Time Series DataDepartment of the Interior · Bureau of Reclamation · Covers MontanaHungry Horse Dam, Montana Cooperative Hydromet Weather Station - National Oceanic and Atmospheric Administration (NOAA) (HGWM) maximum daily air temperature in degrees Fahrenheit (F).Updated 10/24/2026Daily
- Hungry Horse Dam, Montana Cooperative Hydromet Weather Station - National Oceanic and Atmospheric Administration (NOAA) (HGWM) Daily Cumulative Water Year Precipitation Time Series DataDepartment of the Interior · Bureau of Reclamation · Covers MontanaHungry Horse Dam, Montana Cooperative Hydromet Weather Station - National Oceanic and Atmospheric Administration (NOAA) (HGWM) cumulative water year precipitation in inches (in), updated daily. The value for each day is the sum of the precipitation for all priUpdated 10/24/2026Daily
- Hungry Horse Dam, Montana Cooperative Hydromet Weather Station - National Oceanic and Atmospheric Administration (NOAA) (HGWM) Daily Minimum Air Temperature Time Series DataDepartment of the Interior · Bureau of Reclamation · Covers MontanaHungry Horse Dam, Montana Cooperative Hydromet Weather Station - National Oceanic and Atmospheric Administration (NOAA) (HGWM) minimum daily air temperature in degrees Fahrenheit (F).Updated 10/24/2026Daily
- Hungry Horse Dam, Montana Cooperative Hydromet Weather Station - National Oceanic and Atmospheric Administration (NOAA) (HGWM) Daily Average Air Temperature Time Series DataDepartment of the Interior · Bureau of Reclamation · Covers MontanaHungry Horse Dam, Montana Cooperative Hydromet Weather Station - National Oceanic and Atmospheric Administration (NOAA) (HGWM) average daily air temperature in degrees Fahrenheit (F).Updated 10/24/2026Daily
- BLM Montana Dakotas Quarter 1 2027 Oil and Gas Lease Sale Parcels PolygonDepartment of the Interior · Bureau of Land Management · Covers MontanaPolygon feature class depicting spatial extent and location of Quarter 1 2027 oil and gas lease sale parcels for public viewing and comment.XMLCSVXLSXTXT+5Updated 10/20/2026
- Daily Streamflow Data of Swift Reservoir Outflow and Selected Diversions from Birch Creek, Pondera County, Montana, January 2020 through December 2022Department of the Interior · U.S. Geological Survey · Covers MontanaIn 2019, the U.S. Geological Survey (USGS), in cooperation with the Blackfeet Water Department, initiated a multi-year hydrologic investigation of the Blackfeet Indian Reservation. The investigation was designed to increase understanding of the water resourcesXMLUpdated 10/19/2026
- Bumble bees and flowering plants on Montana rangelands, 2023-2025 (ver. 4.0, October 2026)Department of the Interior · U.S. Geological Survey · Covers MontanaUSGS personnel surveyed bumble bees and flowering plants on private and public rangelands in central Montana during the spring and summer of 2023 through 2025. These data provide a summary of bumble bee sampling effort and the flowering plant community observeXMLUpdated 10/14/2026
- Luminescence Data for Holocene and Late Pleistocene surface faulting, Monument Hill fault, Red Rock Valley, southwest MontanaDepartment of the Interior · U.S. Geological Survey · Covers MontanaThis data release contains luminescence data associated with 10 samples collected to accompany detailed geomorphic mapping and interpretations of two paleoseismic trenches along the Monument Hill fault, a northwest-striking fault bounding the eastern Red Rock XMLUpdated 10/13/2026
- Montana CreekNational Oceanic and Atmospheric Administration, Department of Commerce · Axiom Data Science · Covers MontanaTimeseries data from 'Montana Creek' (boem_ahmd_montana_creek)Updated 10/06/2026
- Mountain goat (Oreamnos americanus) abundance in Glacier National Park, Montana, USA, and Waterton Lakes National Park, Alberta, Canada, 2022Department of the Interior · U.S. Geological Survey · Covers MontanaThis data contains a raster layer of predicted mountain goat abundance in Glacier National Park, Montana, USA, and Waterton Lakes National Park, Alberta, Canada in 2022.XMLUpdated 09/30/2026
- Gibson Reservoir (Montana) Sedimentation Survey Report 1996Department of the Interior · Bureau of Reclamation · Covers MontanaThe Bureau of Reclamation conducted a survey at Gibson Reservoir in July 1996. Survey data were used to update reservoir topography and compute the present storage-elevation relationship of the reservoir as an area-capacity (ACAP) table. This document is a surPDFUpdated 09/25/2026Irregularly
- Tree growth data, ISSR tree genetics data, and monotorpene concentration data relating to mountain pine beetle attacks on whitebark pine at Vipond Park, Montana, 2017-2018Department of the Interior · U.S. Geological Survey · Covers MontanaThis record contains three zip files of data. First, for the file treeGeneticISSRData, the data consists of genetic ISSR band scores. Two sets of trees were sampled for genetic analyses - large trees surviving mountain pine beetle and 'general population' treeXMLUpdated 09/25/2026
- Models used for Snowshoe Hare Camouflage and Climate Change Study at Montana Study SitesDepartment of the Interior · U.S. Geological Survey · Covers MontanaUsing an ensemble of locally downscaled climate projections, we used these models to forecast annual average duration of snowpack.XMLUpdated 09/24/2026
- Daily Temperature, Precipitation, and Snow Data, Montana Study Site 1948-2012Department of the Interior · U.S. Geological Survey · Covers MontanaDataset includes daily estimated climate data for a study site near Seeley Lake MT, USA. We used a locally calibrated temperature index snowfall-snowmelt model to estimate both past and future daily snow water equivalent (SWE) at our study site.XMLUpdated 09/24/2026
- BLM Natl Montana MMPKDepartment of the Interior · Bureau of Land Management · Covers MontanaMobile Map Packages (MMPK’s) can be used in the ESRI Field Maps app (no login required), either by direct download in the Field Maps app or by sideloading from your PC. They can also be used in desktop applications that support MMPK’s such as ArcGIS Pro, and AXMLMMPKUpdated 09/15/2026
- Geochronological Data for: Age and recurrence of paleoseismic surface faulting at the Dry Canyon trench site, northern Red Rock fault, Red Rock Valley, southwestern MontanaDepartment of the Interior · U.S. Geological Survey · Covers MontanaProminent scarps across alluvial fans along the northeast Tendoy Mountains in southwest Montana are evidence of late Quaternary surface ruptures on the 34 km-long Red Rock fault. Previous evaluations of the fault scarp characteristics, the distribution and ageXMLUpdated 09/08/2026
- Weekly Snowshoe Hare Coat Color Phenology Data, Montana Study Sites 2009-2012Department of the Interior · U.S. Geological Survey · Covers MontanaDataset includes weekly individual snowshoe hare observations on coat color molt phenology collected in field study site near Seeley Lake MT, USA. Data were analyzed and results published at: Mills L.S., Zimova M., Oyler J., Running S., Abatzoglou J.T., LukacsXMLUpdated 09/04/2026
- Weekly Snowshoe Hare Anti-Predatory Behaviors Data, Montana Study Sites 2009-2012Department of the Interior · U.S. Geological Survey · Covers MontanaDataset includes weekly individual snowshoe hare observations on coat color molt phenology and anti-predatory behaviors collected in field study sites near Seeley Lake MT, Gardiner, MT and Lincoln, MT,USA.XMLUpdated 08/31/2026
- NCVAS State Summary Montana FY2025Department of Veterans Affairs · Covers MontanaNCVAS State Summary Montana FY2025Updated 08/28/2026
- Stability Changes After Weak Layer Collapse near Beehive Basin, Montana, USA, March 2026.Department of the Interior · U.S. Geological Survey · Covers MontanaThe USGS Northern Rocky Mountain Science Center, in collaboration with the Department of Earth Sciences, Montana State University, collected Propagation Saw Tests (PSTs) on a slope near Beehive Basin, Montana, before and after the snowpack collapsed unexpectedXMLUpdated 08/21/2026
- Field water-quality (vertical profile) and fish tissue data from Boneau and Williamson Reservoirs, Chippewa Cree Tribe, Rocky Boy's Reservation, near Box Elder, Montana, May and September 2022Department of the Interior · U.S. Geological Survey · Covers MontanaThe U.S. Geological Survey (USGS), in cooperation with the Chippewa Cree Indians of the Rocky Boy's Reservation and the U.S. Environmental Protection Agency, collected water-quality and fish tissue samples from Boneau and Williamson Reservoirs on the Rock Boy'XMLUpdated 08/14/2026
- State Summary: MontanaDepartment of Veterans Affairs · Covers MontanaThis is a summary of the programs and services provided by VA in Montana in fiscal year 2014.PDFUpdated 08/12/2026
- State Summary: MontanaDepartment of Veterans Affairs · Covers MontanaThis is a summary of the programs and services provided by VA in Montana in fiscal year 2014.PDFUpdated 08/12/2026
- State Summary: Montana FY15Department of Veterans Affairs · Covers MontanaThis summary describes the programs and services VA provided in Montana in fiscal year 2015.PDFUpdated 08/11/2026
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Frequently asked questions
- Does Montana have an open data portal?
- We have not found a state-run portal for Montana yet. Federal agencies still publish many datasets about the state on Data.gov.
- How many datasets are there about Montana?
- The DatenUS catalog lists 3,256 datasets: 0 from the state government, 0 from counties and cities, and 3,256 federal datasets that cover Montana.
- Is this data free to use?
- State and local portals usually allow free reuse under an open license or their terms of use, and most federal data is in the public domain. Check each dataset page for its license.
Source: State and local open data portals, Data.gov Catalog