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 | 06 Oct 2026 | 0.03 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.57 | 4.13 | 0.00 | 0 |
| Bighorn | 06 Oct 2026 | 0.56 | 509 | 0.00 | 0.00 | 0.00 | 0.11 | 0.58 | 1.11 | 2.33 | 0.00 | 0 |
| Cheyenne | 06 Oct 2026 | 0.05 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.34 | 4.25 | 0.00 | 0 |
| Laramie | 06 Oct 2026 | 0.10 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.09 | 0.53 | 1.25 | 0.00 | 0 |
| Little Snake | 06 Oct 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.07 | 0.49 | 1.58 | 0.00 | 0 |
| Lower Green | 06 Oct 2026 | 0.10 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 0.39 | 1.03 | 0.00 | 0 |
| Lower North Platte | 06 Oct 2026 | 0.10 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.07 | 0.47 | 2.55 | 0.00 | 0 |
| Madison | 06 Oct 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.55 | 1.07 | 0.00 | 0 |
| Powder | 06 Oct 2026 | 0.19 | 1900 | 0.00 | 0.00 | 0.00 | 0.01 | 0.24 | 0.80 | 2.63 | 0.00 | 0 |
| Shoshone | 06 Oct 2026 | 0.48 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.73 | 1.40 | 2.10 | 0.00 | 0 |
| Snake | 06 Oct 2026 | 0.12 | 300 | 0.00 | 0.00 | 0.00 | 0.04 | 0.25 | 0.68 | 0.89 | 0.00 | 0 |
| South Platte | 06 Oct 2026 | 0.20 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 0.00 | 0 |
| Sweetwater | 06 Oct 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.79 | 1.45 | 0.00 | 0 |
| Tongue | 06 Oct 2026 | 0.64 | 1600 | 0.00 | 0.00 | 0.00 | 0.04 | 0.32 | 0.95 | 2.31 | 0.00 | 0 |
| Upper Bear | 06 Oct 2026 | 0.00 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.07 | 0.35 | 1.60 | 0.00 | 0 |
| Upper Green | 06 Oct 2026 | 0.24 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.13 | 0.42 | 1.09 | 0.00 | 0 |
| Upper North Platte | 06 Oct 2026 | 0.06 | 600 | 0.00 | 0.00 | 0.00 | 0.01 | 0.20 | 0.79 | 1.97 | 0.00 | 0 |
| Wind | 06 Oct 2026 | 0.28 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.35 | 1.06 | 1.83 | 0.00 | 0 |
| Yellowstone | 06 Oct 2026 | 0.22 | 733 | 0.00 | 0.00 | 0.00 | 0.03 | 0.49 | 1.25 | 1.91 | 0.00 | 0 |