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 | 03 Oct 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.25 | 0.00 | 0 |
| Bighorn | 03 Oct 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.04 | 0.36 | 0.79 | 1.92 | 0.00 | 0 |
| Cheyenne | 03 Oct 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 0.25 | 0.00 | 0 |
| Laramie | 03 Oct 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.07 | 0.30 | 1.12 | 0.00 | 0 |
| Little Snake | 03 Oct 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 1.70 | 0.00 | 0 |
| Lower Green | 03 Oct 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.12 | 1.26 | 0.00 | 0 |
| Lower North Platte | 03 Oct 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.82 | 0.00 | 0 |
| Madison | 03 Oct 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.12 | 0.39 | 1.43 | 0.00 | 0 |
| Powder | 03 Oct 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.53 | 1.18 | 0.00 | 0 |
| Shoshone | 03 Oct 2026 | 0.03 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.22 | 0.91 | 1.68 | 0.00 | 0 |
| Snake | 03 Oct 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.07 | 0.38 | 0.86 | 0.00 | 0 |
| South Platte | 03 Oct 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 0.00 | 0 |
| Sweetwater | 03 Oct 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 0.24 | 0.50 | 0.00 | 0 |
| Tongue | 03 Oct 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.60 | 2.02 | 0.00 | 0 |
| Upper Bear | 03 Oct 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.15 | 1.68 | 0.00 | 0 |
| Upper Green | 03 Oct 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.28 | 1.11 | 0.00 | 0 |
| Upper North Platte | 03 Oct 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.31 | 1.84 | 0.00 | 0 |
| Wind | 03 Oct 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.09 | 0.83 | 1.24 | 0.00 | 0 |
| Yellowstone | 03 Oct 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.18 | 0.73 | 1.77 | 0.00 | 0 |