Bureau of Land Management · Montana
Oil Pump Reservoir
Bureau of Land Management · Montana, United States
- Elevation
- 2,415 ft
- Dark sky
- Bortle class 1
- Cell coverage
- Verizon weak · T-Mobile none · AT&T none (carriers' 4G LTE filings to the FCC, 2025-12; not measured here)
About
BLM campground.
Weather, month by month
| Month | Typical high | Typical low | Coldest night | Hottest day | Years with a night below 32°F |
|---|---|---|---|---|---|
| January | 30° | 13° | -20° | 48° | 11 of 11 |
| February | 32° | 11° | -24° | 59° | 11 of 11 |
| March | 43° | 25° | -10° | 70° | 11 of 11 |
| April | 53° | 34° | 1° | 84° | 9 of 11 |
| May | 67° | 46° | 30° | 86° | 1 of 11 |
| June | 78° | 57° | 46° | 99° | 0 of 11 |
| July | 88° | 64° | 53° | 109° | 0 of 11 |
| August | 85° | 62° | 50° | 104° | 0 of 11 |
| September | 75° | 54° | 37° | 95° | 0 of 11 |
| October | 59° | 41° | 21° | 81° | 6 of 10 |
| November | 47° | 30° | -8° | 65° | 10 of 10 |
| December | 34° | 18° | -14° | 51° | 10 of 10 |
Mid-month figures from 2016–2026 of daily weather at this spot (ERA5 reanalysis via Open-Meteo, CC BY 4.0), in °F. Typical is the median; coldest and hottest are the extremes seen.
Nearby campgrounds
- Rattlesnake Reservoir · Bureau of Land Management · 4 mi
- Makoshika State Park · Montana State Parks · 16 mi · 28 sites
- Marshall Reservoir · Bureau of Land Management · 20 mi
- Powder River Depot · Bureau of Land Management · 31 mi
- Maier Reservoir · Bureau of Land Management · 31 mi
All public campgrounds in Montana · Every state and province · Facts read from the operator 2026-09-28. Confirm fees, rules and current status with the operator before you go.