Basin Click to View Chart | This Year Peak Date | This Year Peak SWE (inches) | Days Early/Late | Peak SWE Dif (inches) | Percent of Median Peak SWE | Median Peak Date | Median Peak SWE (inches) | Current SWE | Median Meltout Date |
---|---|---|---|---|---|---|---|---|---|
Belle Fourche | 25 Mar 2025 | 5.20 | -3 | -1.7 | 76% | 28 Mar ![]() | 6.87 ![]() | 0.07 | 01 May ![]() |
Bighorn | 06 Apr 2025 | 10.68 | -18 | -1.1 | 91% | 24 Apr ![]() | 11.74 ![]() | 9.24 | 21 Jun ![]() |
Cheyenne | 11 Mar 2025 | 4.90 | -17 | -2.6 | 65% | 28 Mar ![]() | 7.50 ![]() | 0.05 | 01 May ![]() |
Laramie | 07 Apr 2025 | 13.46 | -8 | -2.4 | 85% | 15 Apr ![]() | 15.90 ![]() | 11.11 | 13 Jun ![]() |
Little Snake | 07 Apr 2025 | 18.48 | 1 | -2.4 | 88% | 06 Apr ![]() | 20.90 ![]() | 13.18 | 20 Jun ![]() |
Lower Green | 06 Apr 2025 | 12.80 | -2 | -1.0 | 92% | 08 Apr ![]() | 13.84 ![]() | 8.59 | 13 Jun ![]() |
Lower North Platte | 07 Apr 2025 | 9.28 | -7 | -3.5 | 73% | 14 Apr ![]() | 12.75 ![]() | 7.15 | 29 May ![]() |
Madison | 09 Apr 2025 | 19.62 | -5 | -2.2 | 90% | 14 Apr ![]() | 21.80 ![]() | 16.86 | 25 Jun ![]() |
Powder | 24 Mar 2025 | 7.76 | -21 | -2.8 | 73% | 14 Apr ![]() | 10.61 ![]() | 5.43 | 10 Jun ![]() |
Shoshone | 25 Mar 2025 | 17.17 | -30 | -0.9 | 95% | 24 Apr ![]() | 18.08 ![]() | 15.20 | 29 Jun ![]() |
Snake | 06 Apr 2025 | 22.55 | -5 | 1.7 | 108% | 11 Apr ![]() | 20.85 ![]() | 20.07 | 29 Jun ![]() |
South Platte | 20 Mar 2025 | 3.30 | -12 | -3.3 | 50% | 01 Apr ![]() | 6.60 ![]() | 0.00 | 26 Apr ![]() |
Sweetwater | 25 Mar 2025 | 13.47 | -24 | -1.6 | 90% | 18 Apr ![]() | 15.03 ![]() | 11.00 | 06 Jun ![]() |
Tongue | 07 Apr 2025 | 11.10 | -21 | -2.2 | 83% | 28 Apr ![]() | 13.30 ![]() | 10.64 | 09 Jun ![]() |
Upper Bear | 06 Apr 2025 | 16.40 | -3 | -1.4 | 92% | 09 Apr ![]() | 17.81 ![]() | 11.75 | 15 Jun ![]() |
Upper Green | 07 Apr 2025 | 16.47 | -4 | 0.5 | 103% | 11 Apr ![]() | 15.96 ![]() | 14.48 | 19 Jun ![]() |
Upper North Platte | 07 Apr 2025 | 21.98 | -9 | -2.4 | 90% | 16 Apr ![]() | 24.35 ![]() | 19.29 | 28 Jun ![]() |
Wind | 07 Apr 2025 | 13.24 | -13 | -0.7 | 95% | 20 Apr ![]() | 13.97 ![]() | 12.04 | 25 Jun ![]() |
Yellowstone | 24 Apr 2025 | 20.89 | 1 | 0.1 | 100% | 23 Apr ![]() | 20.79 ![]() | 20.89 | 01 Jul ![]() |