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	22 May 2026	0.00	0	0.00	0.00	0.00	0.00	0.00	0.02	0.80	0.00	0
Bighorn	22 May 2026	0.00	0	0.76	2.30	4.33	5.62	8.08	12.15	18.55	5.21	93
Cheyenne	22 May 2026	0.00	0	0.00	0.00	0.00	0.00	0.00	0.03	0.55	0.00	0
Laramie	22 May 2026	0.00	0	0.00	2.06	5.24	7.09	11.63	14.98	25.62	4.33	61
Little Snake	22 May 2026	0.00	0	1.03	2.64	5.27	8.35	10.83	14.36	25.55	5.20	62
Lower Green	22 May 2026	0.00	0	0.67	1.57	2.63	3.33	5.67	7.71	15.59	2.66	80
Lower North Platte	22 May 2026	0.00	0	0.00	0.00	0.23	1.25	3.67	7.18	22.77	0.33	26
Madison	22 May 2026	0.00	0	0.00	2.86	7.28	10.52	14.43	19.42	25.35	6.84	65
Powder	22 May 2026	0.00	0	0.00	0.13	2.13	2.67	5.56	8.55	16.00	1.70	64
Shoshone	22 May 2026	0.00	0	2.54	4.59	7.58	10.50	16.31	23.28	28.67	8.68	83
Snake	22 May 2026	0.00	0	0.84	3.14	7.08	10.75	12.83	21.11	29.37	10.28	96
South Platte	22 May 2026	0.00	0	0.00	0.00	0.00	0.00	0.00	0.30	1.40	0.00	0
Sweetwater	22 May 2026	0.00	0	0.00	0.25	4.39	5.57	8.75	18.83	23.60	3.70	66
Tongue	22 May 2026	0.00	0	0.00	0.86	3.60	5.31	9.23	14.40	19.24	6.36	120
Upper Bear	22 May 2026	0.00	0	0.00	1.15	3.17	5.07	9.09	15.96	25.78	3.29	65
Upper Green	22 May 2026	0.00	0	0.00	1.68	4.69	6.02	8.13	17.77	23.46	5.79	96
Upper North Platte	22 May 2026	0.00	0	2.20	6.34	11.21	14.36	19.04	25.71	38.48	10.99	77
Wind	22 May 2026	0.00	0	1.09	2.00	5.13	6.80	9.85	17.97	21.77	4.88	72
Yellowstone	22 May 2026	0.00	0	1.73	8.04	11.88	14.95	19.82	23.74	29.79	14.25	95

Data from Natural Resources Conservation Service SnoTel Network