Water Resources Data System & State Climate Office
Water Resources Data System & State Climate Office
Water Resources Data System & State Climate Office



| Basin Click to View Chart | Date | Today SWE (inches) | Today SWE % of Median | Minimum SWE (in) | 10th Percentile (inches) | 30th Percentile Inches | Median (inches) | 70th Percentile (inches) | 90th Percentile (inches) | Maximum (inches) | Last Year SWE (inches) | Last Year SWE % of Median |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Belle Fourche | 10 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 0.00 | 0 |
| Bighorn | 10 Jun 2026 | 0.00 | 0 | 0.00 | 0.01 | 0.40 | 0.83 | 2.68 | 5.73 | 11.82 | 1.09 | 131 |
| Cheyenne | 10 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 0.00 | 0 |
| Laramie | 10 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.11 | 1.22 | 4.95 | 16.88 | 0.01 | 9 |
| Little Snake | 10 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.94 | 1.95 | 3.24 | 6.64 | 13.97 | 0.97 | 50 |
| Lower Green | 10 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.08 | 1.52 | 3.79 | 7.27 | 0.00 | 0 |
| Lower North Platte | 10 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 8.82 | 0.00 | 0 |
| Madison | 10 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 2.33 | 3.38 | 5.16 | 10.09 | 17.98 | 0.00 | 0 |
| Powder | 10 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.06 | 0.81 | 3.03 | 7.28 | 0.01 | 17 |
| Shoshone | 10 Jun 2026 | 0.00 | 0 | 0.00 | 0.21 | 1.13 | 4.33 | 7.89 | 14.79 | 24.10 | 0.87 | 20 |
| Snake | 10 Jun 2026 | 0.00 | 0 | 0.00 | 0.36 | 1.41 | 3.32 | 4.91 | 9.88 | 21.40 | 1.38 | 42 |
| South Platte | 10 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0 |
| Sweetwater | 10 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.82 | 8.09 | 11.13 | 0.00 | 0 |
| Tongue | 10 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.04 | 0.97 | 4.56 | 11.41 | 0.00 | 0 |
| Upper Bear | 10 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.35 | 1.85 | 6.33 | 16.78 | 0.15 | 43 |
| Upper Green | 10 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.97 | 2.72 | 6.27 | 12.85 | 0.46 | 47 |
| Upper North Platte | 10 Jun 2026 | 0.00 | 0 | 0.00 | 0.80 | 2.58 | 5.39 | 7.94 | 13.66 | 24.68 | 2.86 | 53 |
| Wind | 10 Jun 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.88 | 1.69 | 4.44 | 8.47 | 16.34 | 0.00 | 0 |
| Yellowstone | 10 Jun 2026 | 0.00 | 0 | 0.00 | 0.93 | 3.08 | 7.69 | 10.83 | 15.72 | 25.29 | 1.87 | 24 |