Bureau of Land Management · Montana
Sidney Reservoir
Bureau of Land Management · Montana, United States
- Elevation
- 3,530 ft
- Dark sky
- Bortle class 1
- Cell coverage
- AT&T weak · Verizon weak · T-Mobile 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 | 32° | 16° | -24° | 51° | 11 of 11 |
| February | 34° | 16° | -26° | 66° | 11 of 11 |
| March | 45° | 25° | -2° | 73° | 11 of 11 |
| April | 51° | 32° | 5° | 83° | 11 of 11 |
| May | 64° | 44° | 30° | 84° | 1 of 11 |
| June | 76° | 56° | 45° | 102° | 0 of 11 |
| July | 87° | 63° | 53° | 105° | 0 of 11 |
| August | 84° | 61° | 50° | 103° | 0 of 11 |
| September | 75° | 54° | 34° | 92° | 0 of 11 |
| October | 58° | 39° | 22° | 82° | 4 of 10 |
| November | 48° | 31° | -2° | 67° | 9 of 10 |
| December | 35° | 18° | -2° | 58° | 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
- Lantis Spring Campground · USDA Forest Service · 23 mi
- Wickham Gulch Campground · USDA Forest Service · 24 mi
- Ekalaka Park Campground · USDA Forest Service · 30 mi
- Macnab Pond Campground · USDA Forest Service · 32 mi
- Medicine Rocks State Park · Montana State Parks · 47 mi · 9 sites
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.