BlockPortage, Montana
18 topographic sheets cover this place, the earliest surveyed in 1886 and the latest in 1976. It stands in the Great Falls North census division. It lies in ZIP code area 59440. The Survey maps it on the Floweree quadrangle.
Topographic sheets covering this place
7 surveys from 18 printed sheetsMatched by testing this settlement's coordinate against the published boundary of every sheet in the United States Geological Survey's historical collection. Each opens the scanned sheet at the Survey.
- 1886 USGS Great Falls quadrangle1:250000, 4 printings
- 1948 USGS Portage quadrangle1:62500, 4 printings
- 1949 USGS Portage quadrangle1:62500, 2 printings
- 1954 USGS Great Falls quadrangle1:250000, 4 printings
- 1957 USGS Great Falls quadrangle1:250000
- 1965 USGS Floweree quadrangle1:24000, 2 printings
- 1976 USGS Great Falls North quadrangle1:100000
Fires near this place
6 since 1996Regional context, not property-specific evidence. The federal wildfire occurrence database lists 6 fires within 5 miles of Portage between 1996 and 2020, burning about 337 acres in total. None started naturally. None was recorded as arson. Distance is straight-line from the map coordinates, so a fire counted here may appear on a neighbouring settlement's page as well.
| Reported cause | Fires |
|---|---|
| Missing data/not specified/undetermined | 4 |
| Railroad operations and maintenance | 1 |
| Debris and open burning | 1 |
The most recent of them, most recent first, with the day each was reported and the service that recorded it.
| Date | Cause | Size | Reported by | Name on the report |
|---|---|---|---|---|
| 9 September 2017 | Missing data/not specified/undetermined | under an acre | Central Land Office | BLACK EAGLE |
| 26 August 2020 | Debris and open burning | under an acre | Cascade County | DENT ROAD FIRE |
| 1 August 2019 | Missing data/not specified/undetermined | 50 acres | Chouteau County | FDH-MTLG19-120 |
| 1 August 2017 | Missing data/not specified/undetermined | 175 acres | Central Land Office | BLACK EAGLE |
| 29 July 1996 | Missing data/not specified/undetermined | 70 acres | Benton Lake National Wildlife Refuge | BLACK HORSE |
| 16 December 1997 | Railroad operations and maintenance | 42 acres | Benton Lake National Wildlife Refuge | MUDDY CREEK |
Settlements close enough to share some of these fires:
Mines and quarries near this place
2 within 5 milesRegional context, not property-specific evidence. The federal mineral resources record lists 2 workings within 5 miles of Portage: 2 unknowns. None of them still produces. What was taken out: Sand and Gravel, Construction. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.
| Where | Site | Commodity | Status | Recorded |
|---|---|---|---|---|
| Unnamed Gravel Pit | Sand and Gravel, Construction | Unknown | ||
| Unnamed Gravel Pit | Sand and Gravel, Construction | Unknown |
Storms near this place
3 since 2019Regional context, not property-specific evidence. The National Weather Service names Portage in 3 storm reports between 2019 and 2025: 3 hail. No death or injury is recorded in these reports. Each account below is quoted exactly as the forecast office filed it, from the NOAA Storm Events Database, and each date opens the federal record of that event.
| When | Event | Place named | Harm | What the report says |
|---|---|---|---|---|
| June 2025 | Hail | Portage | - | Trained spotter reports quarter size hail along with 30 to 50 mph winds along highway 87 north of the Republic Services Landfill and south of Dent Bridge Road. |
| June 2025 | Hail | Portage | - | Trained spotter reports quarter size to slightly larger than quarter size hail. |
| June 2019 | Hail | Portage | - | Hail stones almost twice as big as a quarter. |
Nearest settlements
The eight closest, with where each one stands in the county. Distances are straight-line, computed from the Geographic Names Information System coordinates.
| Map | Place | Distance | Sheets |
|---|---|---|---|
| Sheffels | 4.2 miles | 19 | |
| Rainbow | 8.8 miles | 19 | |
| Cooper | 9.0 miles | 19 | |
| Salem | 9.1 miles | 18 | |
| Benton Lake (historical) | 9.3 miles | 15 | |
| Watson (historical) | 9.5 miles | 16 | |
| Rogers | 10.2 miles | 16 | |
| North Great Falls (historical) | 11.0 miles | 16 |
Provenance
This settlement is recorded in the Geographic Names Information System as feature 802165. The sheet list is computed by point-in-boundary test against the United States Geological Survey's historical topographic inventory. Both are works of the United States government and carry no copyright under 17 U.S.C. 105.
Wildfire. Short, Karen C. 2022. Spatial wildfire occurrence data for the United States, 1992-2020 [FPA_FOD_20221014]. 6th Edition. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2013-0009.6 Collected with United States Government funding and usable without additional permissions or fees.
Mines and quarries. USGS Mineral Resources Data System (MRDS) https://mrdata.usgs.gov/mrds/ A work of the United States government, no copyright under 17 U.S.C. 105.
Storms. NOAA National Centers for Environmental Information, Storm Events Database https://www.ncei.noaa.gov/stormevents/ A work of the United States government, no copyright under 17 U.S.C. 105. Narratives are quoted verbatim from the National Weather Service report and are not edited or summarised.