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	09 May 2026	0.00	0	0.00	0.00	0.00	0.00	0.03	2.26	6.15	0.00	0
Bighorn	09 May 2026	0.00	0	4.05	4.95	7.38	9.19	11.36	14.71	16.77	8.58	93
Cheyenne	09 May 2026	0.00	0	0.00	0.00	0.00	0.00	0.00	1.83	6.15	0.00	0
Laramie	09 May 2026	0.00	0	2.14	6.56	10.36	11.33	14.68	21.95	24.02	6.90	61
Little Snake	09 May 2026	0.00	0	2.80	5.79	10.39	13.47	17.13	20.91	29.16	7.86	58
Lower Green	09 May 2026	0.00	0	2.28	3.59	4.66	6.52	9.78	14.22	17.18	4.53	69
Lower North Platte	09 May 2026	0.00	0	0.00	0.80	4.19	6.55	9.16	13.82	21.40	3.45	53
Madison	09 May 2026	0.00	0	0.88	7.90	12.52	16.94	20.00	25.73	29.50	11.86	70
Powder	09 May 2026	0.00	0	1.24	2.62	5.10	6.30	9.61	11.83	16.00	4.66	74
Shoshone	09 May 2026	0.00	0	6.28	8.35	12.59	15.18	20.95	24.73	30.20	11.88	78
Snake	09 May 2026	0.00	0	2.81	7.93	11.33	16.51	21.56	27.36	33.69	14.18	86
South Platte	09 May 2026	0.00	0	0.00	0.00	0.00	0.00	0.00	2.35	3.40	0.00	0
Sweetwater	09 May 2026	0.00	0	1.73	5.19	8.93	8.73	14.12	19.49	24.90	8.67	99
Tongue	09 May 2026	0.00	0	2.33	5.15	8.97	10.16	13.00	15.75	22.30	10.56	104
Upper Bear	09 May 2026	0.00	0	0.27	4.06	7.11	10.22	16.51	22.76	30.92	6.39	63
Upper Green	09 May 2026	0.00	0	1.44	5.81	8.90	10.47	14.14	22.49	27.48	9.20	88
Upper North Platte	09 May 2026	0.00	0	5.53	10.53	18.27	20.08	23.55	32.50	38.91	14.14	70
Wind	09 May 2026	0.00	0	3.00	5.88	8.96	10.53	14.34	19.03	23.19	9.71	92
Yellowstone	09 May 2026	0.00	0	7.38	11.44	15.00	19.20	22.50	27.32	33.56	17.42	91

Data from Natural Resources Conservation Service SnoTel Network