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	31 May 2026	0.00	0	0.00	0.00	0.00	0.00	0.00	0.00	0.05	0.00	0
Bighorn	31 May 2026	0.00	0	0.10	1.18	2.21	2.98	6.46	8.46	17.95	3.12	105
Cheyenne	31 May 2026	0.00	0	0.00	0.00	0.00	0.00	0.00	0.00	0.05	0.00	0
Laramie	31 May 2026	0.00	0	0.00	0.05	1.34	2.80	7.60	11.06	20.32	1.19	42
Little Snake	31 May 2026	0.00	0	0.20	1.25	2.83	4.58	7.02	10.11	22.21	2.52	55
Lower Green	31 May 2026	0.00	0	0.00	0.28	1.06	2.07	3.96	5.51	14.05	0.88	43
Lower North Platte	31 May 2026	0.00	0	0.00	0.00	0.00	0.00	0.48	3.62	15.80	0.00	0
Madison	31 May 2026	0.00	0	0.00	0.79	5.15	7.24	9.06	16.34	22.68	2.74	38
Powder	31 May 2026	0.00	0	0.00	0.02	0.40	0.89	3.04	5.96	14.77	0.86	97
Shoshone	31 May 2026	0.00	0	0.17	2.54	5.11	7.73	13.20	19.68	24.72	4.25	55
Snake	31 May 2026	0.00	0	0.23	1.70	4.17	7.14	9.70	16.39	27.63	4.88	68
South Platte	31 May 2026	0.00	0	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0
Sweetwater	31 May 2026	0.00	0	0.00	0.00	0.23	1.70	5.18	16.46	19.20	0.27	16
Tongue	31 May 2026	0.00	0	0.00	0.00	0.78	1.67	5.20	9.64	18.44	1.97	118
Upper Bear	31 May 2026	0.00	0	0.00	0.17	1.14	2.29	5.52	9.92	23.52	1.16	51
Upper Green	31 May 2026	0.00	0	0.00	0.27	2.56	3.54	5.13	12.83	19.03	2.59	73
Upper North Platte	31 May 2026	0.00	0	1.11	4.05	7.01	9.89	14.85	19.39	35.68	7.06	71
Wind	31 May 2026	0.00	0	0.13	1.26	2.65	3.56	6.59	13.76	18.72	1.74	49
Yellowstone	31 May 2026	0.00	0	1.07	5.22	9.14	12.36	15.97	20.24	29.42	8.87	72

Data from Natural Resources Conservation Service SnoTel Network