Wyoming SNOTEL Snowpack Update Report

Wyoming SNOTEL Snowpack Update Report

Based on Mountain Data from NRCS SNOTEL Sites

**Provisional data, subject to revision**

Data based on the first reading of the day (typically 00:00) for Wednesday, January 21, 2026

Basin Site Name	Elev (ft)	Snow Water Equivalent				Percent of
Basin Site Name	Elev (ft)	Current (in)	Today's Median (in)	Median Peak (in)	Median Peak Date	Today's Median	Median Peak
SNAKE RIVER
Base Camp	7040	10.7	10.4	17.8	Apr 02	103	60
Blind Bull Sum	8880	16.6	12.8	26.1	May 03	130	64
Cottonwood Creek	7710	12.3	11.6	22.6	Apr 10	106	54
East Rim Divide	8010	5.4	6.4	11.1	Apr 11	84	49
Grand Targhee	9260	-M	24.1₍₁₄₎	48.8₍₁₄₎	May 01₍₁₄₎	*	*
Granite Creek	6770	8.9	9.2	16.4	Apr 03	97	54
Grassy Lake	7330	12.0	17.1	34.2	Apr 15	70	35
Gros Ventre Summit	8760	9.3	7.4	13.6	Apr 23	126	68
Gunsight Pass	9820	10.0	7.4₍₂₂₎	13.8₍₂₂₎	Apr 29₍₂₂₎	135	72
Lewis Lake Divide	7880	20.6	16.8	33.4	Apr 20	123	62
Loomis Park	8240	9.0	8.4	16.2	Apr 09	107	56
Phillips Bench	8170	14.8	14.1	28.5	Apr 21	105	52
Salt River Summit	7630	6.9	6.8	13.6	Apr 07	101	51
Snake River Station	6900	7.6	9.8	18.0	Apr 03	78	42
Somsen Ranch	6830	5.2	7.2	12.8	Mar 28	72	41
Spring Creek Divide	9020	14.6	13.2	26.0	Apr 27	111	56
Thumb Divide	7970	12.1	8.7	17.7	Apr 13	139	68
Togwotee Pass	9590	15.2	13.0	26.6	May 03	117	57
Triple Peak	8520	16.2	12.1	24.4	Apr 15	134	66
Two Ocean Plateau	9240	23.7	17.4	34.9	May 03	136	68
Willow Creek	8060	15.2	15.3	31.4	Apr 14	99	48
Younts Peak	8340	11.4	8.6₍₂₈₎	15.6₍₂₈₎	Apr 25₍₂₈₎	133	73
Basin Index (%)		110
MADISON HEADWATERS IN WYOMING
Black Bear	8160	19.8	21.4	41.4	Apr 29	93	48
Canyon	7870	7.8	7.6	14.5	Apr 17	103	54
Madison Plateau	7710	13.4	12.6	24.7	Apr 24	106	54
West Yellowstone	6680	5.5	6.2	11.6	Apr 03	89	47
Whiskey Creek	6790	8.4	8.2	16.5	Apr 17	102	51
Basin Index (%)		98
YELLOWSTONE HEADWATERS IN WYOMING
Beartooth Lake	9360	15.3	13.2	25.2	May 07	116	61
Canyon	7870	7.8	7.6	14.5	Apr 17	103	54
Evening Star	9030	20.7	16.0	29.3	May 01	129	71
Fisher Creek	9110	25.4	19.6	37.0	May 05	130	69
Monument Peak	8740	15.2	12.4	23.4	Apr 27	123	65
Northeast Entrance	7420	5.6	5.7	10.2	Apr 04	98	55
Parker Peak	9420	16.9	12.4	25.9	May 04	136	65
Sylvan Lake	8440	11.4	11.3	22.0	Apr 23	101	52
Thumb Divide	7970	12.1	8.7	17.7	Apr 13	139	68
Two Ocean Plateau	9240	23.7	17.4	34.9	May 03	136	68
White Mill	8730	18.6	14.2	27.4	May 05	131	68
Wolverine	7660	6.3	7.0	11.8	Mar 30	90	53
Basin Index (%)		123
WIND RIVER
Burroughs Creek	8760	6.0	N/A	N/A	N/A	*	*
Castle Creek	8410	3.3	4.3₍₁₀₎	7.9₍₁₀₎	Apr 03₍₁₀₎	77	42
Cold Springs	9640	5.0	4.4	8.3	Apr 09	114	60
Deer Park	9690	9.8	7.5₍₂₂₎	16.6₍₂₂₎	Apr 25₍₂₂₎	131	59
Hobbs Park	10080	8.7	7.2	18.1	May 06	121	48
Kirwin	9580	9.0	6.6	13.2	May 01	136	68
Little Warm	9370	7.4	5.7	10.6	Apr 17	130	70
South Pass	9040	8.4	7.5	16.6	Apr 22	112	51
St. Lawrence Alt	8610	2.3	N/A	N/A	N/A	*	*
Togwotee Pass	9590	15.2	13.0	26.6	May 03	117	57
Townsend Creek	8720	3.5	4.6	10.6	Apr 19	76	33
Basin Index (%)		116
BIGHORN BASIN
Bald Mtn.	9360	10.9	10.4	22.6	May 07	105	48
Bear Trap Meadow	8200	3.0	3.6	7.4	Apr 07	83	41
Bone Springs Div	9340	8.0	9.2	19.2	May 05	87	42
Grave Springs	8560	2.2	4.2₍₂₈₎	10.0₍₂₈₎	Apr 19₍₂₈₎	52	22
Kirwin	9580	9.0	6.6	13.2	May 01	136	68
Marquette	8800	1.7	3.8	9.9	May 04	45	17
Middle Powder	7760	3.2	5.3	13.2	Apr 23	60	24
Owl Creek	8990	1.1	3.1	6.4	Apr 12	35	17
Powder River Pass	9480	7.4	6.2	12.2	Apr 19	119	61
Shell Creek	9570	8.7	8.6	18.2	May 05	101	48
Timber Creek	7910	0.0	2.6	6.0	Apr 17	0	0
Basin Index (%)		87
SHOSHONE RIVER
Blackwater	9830	15.9	13.8	26.8	May 09	115	59
Evening Star	9030	20.7	16.0	29.3	May 01	129	71
Marquette	8800	1.7	3.8	9.9	May 04	45	17
Sylvan Lake	8440	11.4	11.3	22.0	Apr 23	101	52
Sylvan Road	7140	6.4	7.2	12.3	Apr 07	89	52
Younts Peak	8340	11.4	8.6₍₂₈₎	15.6₍₂₈₎	Apr 25₍₂₈₎	133	73
Basin Index (%)		111
POWDER RIVER
Bear Trap Meadow	8200	3.0	3.6	7.4	Apr 07	83	41
Cloud Peak Reservoir	9830	7.9	7.8	18.0	May 05	101	44
Grave Springs	8560	2.2	4.2₍₂₈₎	10.0₍₂₈₎	Apr 19₍₂₈₎	52	22
Hansen Sawmill	8360	2.8	3.9	7.0	Apr 13	72	40
Middle Powder	7760	3.2	5.3	13.2	Apr 23	60	24
Powder River Pass	9480	7.4	6.2	12.2	Apr 19	119	61
Soldier Park	8680	1.4	3.4₍₁₀₎	8.4₍₁₀₎	Apr 17₍₁₀₎	41	17
Basin Index (%)		81
TONGUE RIVER
Big Goose	8010	1.8	4.2₍₂₂₎	10.1₍₂₂₎	Apr 25₍₂₂₎	43	18
Bone Springs Div	9340	8.0	9.2	19.2	May 05	87	42
Burgess Junction	7910	3.7	5.9	13.0	May 03	63	28
Dome Lake	8890	4.2	6.2	13.5	Apr 27	68	31
Little Goose	8560	3.6	5.1₍₁₀₎	12.2₍₁₀₎	Apr 27₍₁₀₎	71	30
Sucker Creek	8840	4.9	6.7	14.9	May 03	73	33
Tie Creek	7050	0.3	3.2₍₂₆₎	6.6₍₂₆₎	Apr 05₍₂₆₎	9	5
Basin Index (%)		65
BELLE FOURCHE
Blind Park	6900	3.0	4.0	8.1	Mar 30	75	37
Cole Canyon	5930	0.9	2.8₍₂₀₎	6.3₍₂₀₎	Apr 03₍₂₀₎	32	14
North Rapid Creek	6150	2.6	3.8₍₂₄₎	7.4₍₂₄₎	Apr 02₍₂₄₎	68	35
Basin Index (%)		61
CHEYENNE RIVER BASIN
Blind Park	6900	3.0	4.0	8.1	Mar 30	75	37
North Rapid Creek	6150	2.6	3.8₍₂₄₎	7.4₍₂₄₎	Apr 02₍₂₄₎	68	35
Basin Index (%)		72
UPPER N. PLATTE
Arapaho Ridge	10960	8.2	12.1₍₁₈₎	25.2₍₁₈₎	May 01₍₁₈₎	68	33
Blackhall Mtn	9830	10.6	15.8₍₁₁₎	34.6₍₁₁₎	Apr 27₍₁₁₎	67	31
Cinnabar Park	9670	7.8	11.6₍₁₇₎	22.4₍₁₇₎	Apr 19₍₁₇₎	67	35
Columbine	9170	10.2	12.8	24.6	Apr 05	80	41
Divide Peak	8700	6.1	10.6	21.4	Apr 15	58	29
Joe Wright	10140	5.9	10.4	24.0	May 05	57	25
Laprele Creek	8370	2.8	4.8	10.4	Apr 05	58	27
Med Bow	10500	17.5	N/A	N/A	N/A	*	*
Never Summer	10300	7.1	10.6₍₁₈₎	23.8₍₁₈₎	May 11₍₁₈₎	67	30
North French Creek	10150	13.5	15.4	34.2	Apr 30	88	39
Old Battle	9840	13.9	16.5	38.8	May 05	84	36
Rawah	9100	3.4	6.2₍₁₈₎	12.2₍₁₈₎	Apr 07₍₁₈₎	55	28
Sage Creek Basin	7830	3.6	7.8₍₁₉₎	14.8₍₁₉₎	Apr 03₍₁₉₎	46	24
Sand Lake	10080	10.9	14.8	33.1	May 05	74	33
South Brush Creek	8480	3.8	6.3	12.4	Apr 03	60	31
Tower	10610	17.8	22.6	49.0	May 07	79	36
Webber Springs	9250	9.3	12.0	23.9	Apr 15	78	39
Whiskey Park	8950	12.4	14.7	30.8	Apr 17	84	40
Willow Creek Pass	9520	3.4	6.8	16.4	May 03	50	21
Zirkel	9320	12.7	15.4₍₁₈₎	28.5₍₁₈₎	Apr 07₍₁₈₎	82	45
Basin Index (%)		72
SWEETWATER
Deer Park	9690	9.8	7.5₍₂₂₎	16.6₍₂₂₎	Apr 25₍₂₂₎	131	59
Larsen Creek	8880	4.1	4.7₍₁₀₎	11.0₍₁₀₎	Apr 03₍₁₀₎	87	37
South Pass	9040	8.4	7.5	16.6	Apr 22	112	51
Basin Index (%)		113
LOWER N. PLATTE
Casper Mtn.	7940	2.4	6.6	16.0	Apr 19	36	15
Laprele Creek	8370	2.8	4.8	10.4	Apr 05	58	27
Reno Hill	8410	3.0	7.0	16.3	Apr 21	43	18
Windy Peak	7890	0.9	3.9	8.4	Apr 08	23	11
Basin Index (%)		41
LARAMIE RIVER
Brooklyn Lake	10250	9.5	11.6	25.4	Apr 25	82	37
Cinnabar Park	9670	7.8	11.6₍₁₇₎	22.4₍₁₇₎	Apr 19₍₁₇₎	67	35
Crow Creek	8320	0.1	4.6₍₁₇₎	7.4₍₁₇₎	Apr 01₍₁₇₎	2	1
Deadman Hill	10240	7.6	9.8	21.8	May 04	78	35
Rawah	9100	3.4	6.2₍₁₈₎	12.2₍₁₈₎	Apr 07₍₁₈₎	55	28
Roach	9710	5.1	9.0	17.5	Apr 25	57	29
Windy Peak	7890	0.9	3.9	8.4	Apr 08	23	11
Basin Index (%)		61
S. PLATTE
Crow Creek	8320	0.1	4.6₍₁₇₎	7.4₍₁₇₎	Apr 01₍₁₇₎	2	1
Basin Index (%)		2
LITTLE SNAKE RIVER
Battle Mountain	7460	2.6	6.4	12.6	Mar 27	41	21
Divide Peak	8700	6.1	10.6	21.4	Apr 15	58	29
Elk River	8710	6.2	9.8	19.4	Apr 05	63	32
Elkhead Divide	8780	5.7	N/A	N/A	N/A	*	*
Little Snake River	8930	11.8	14.0₍₁₆₎	29.0₍₁₆₎	Apr 09₍₁₆₎	84	41
Old Battle	9840	13.9	16.5	38.8	May 05	84	36
Sage Creek Basin	7830	3.6	7.8₍₁₉₎	14.8₍₁₉₎	Apr 03₍₁₉₎	46	24
Sandstone RS	8150	5.2	7.4	14.2	Apr 05	70	37
Whiskey Park	8950	12.4	14.7	30.8	Apr 17	84	40
Basin Index (%)		71
UPPER GREEN RIVER
Big Sandy Opening	9100	7.1	7.2	14.2	Apr 17	99	50
Blind Bull Sum	8880	16.6	12.8	26.1	May 03	130	64
East Rim Divide	8010	5.4	6.4	11.1	Apr 11	84	49
Elkhart Park G.S.	9410	8.2	7.0	13.6	Apr 23	117	60
Gros Ventre Summit	8760	9.3	7.4	13.6	Apr 23	126	68
Gunsight Pass	9820	10.0	7.4₍₂₂₎	13.8₍₂₂₎	Apr 29₍₂₂₎	135	72
Indian Creek	9400	14.1	12.3	24.9	Apr 21	115	57
Kendall R.S.	7790	9.0	6.8	12.2	Apr 01	132	74
Larsen Creek	8880	4.1	4.7₍₁₀₎	11.0₍₁₀₎	Apr 03₍₁₀₎	87	37
Loomis Park	8240	9.0	8.4	16.2	Apr 09	107	56
New Fork Lake	8380	6.1	6.3	10.9	Apr 08	97	56
Pocket Creek	9370	-M	N/A	N/A	N/A	*	*
Snider Basin	8080	5.3	7.4	13.4	Apr 09	72	40
Spring Creek Divide	9020	14.6	13.2	26.0	Apr 27	111	56
Triple Peak	8520	16.2	12.1	24.4	Apr 15	134	66
Basin Index (%)		113
LOWER GREEN RIVER
Blacks Fork Jct	8880	4.5	4.6₍₁₀₎	9.4₍₁₀₎	Apr 05₍₁₀₎	98	48
Buck Pasture	9630	7.2	N/A	N/A	N/A	*	*
EF Blacks Fork GS	9360	2.8	5.2₍₁₀₎	12.4₍₁₀₎	Apr 05₍₁₀₎	54	23
Hams Fork	7860	6.5	6.2	11.5	Apr 01	105	57
Henrys Fork	10180	-M	N/A	N/A	N/A	*	*
Hewinta	9510	3.0	5.1	12.7	Apr 09	59	24
Hickerson Park	9120	2.6	3.6	8.8	Apr 07	72	30
Hole-in-Rock	9170	1.7	3.7	8.0	Apr 09	46	21
Indian Creek	9400	14.1	12.3	24.9	Apr 21	115	57
Kelley R.S.	8240	8.0	7.4	15.2	Apr 09	108	53
Spirit Lk	10240	6.4	6.2₍₁₁₎	14.1₍₁₁₎	Apr 11₍₁₁₎	103	45
Steel Creek Park	10140	6.9	7.8	18.8	May 05	88	37
Basin Index (%)		91
UPPER BEAR RIVER
Bear River RS	8510	2.8	5.0₍₁₀₎	10.0₍₁₀₎	Apr 01₍₁₀₎	56	28
Bug Lake	7980	8.7	8.6	19.0	Apr 14	101	46
Burts Miller Ranch	7900	1.2	3.2₍₁₁₎	6.4₍₁₁₎	Mar 29₍₁₁₎	38	19
Chalk Creek #1	9160	8.0	11.0	24.6	Apr 17	73	33
Giveout	6940	3.3	5.1	8.8	Mar 20	65	38
Hayden Fork	9170	6.0	7.4	15.9	Apr 06	81	38
Kelley R.S.	8240	8.0	7.4	15.2	Apr 09	108	53
Lily Lake	9130	4.1	6.6	13.6	Apr 15	62	30
Monte Cristo	8930	10.0	13.3	29.6	Apr 17	75	34
Salt River Summit	7630	6.9	6.8	13.6	Apr 07	101	51
Spring Creek Divide	9020	14.6	13.2	26.0	Apr 27	111	56
Trial Lake	9970	10.9	11.0	24.2	Apr 25	99	45
Basin Index (%)		86

-M = Missing data.
* = Analysis may not provide a valid measure of conditions.
N/A = Not available.

Footnotes for median and average:
(##) = If less than 30 years are available, this value specifies the number of years used for the median and average calculations.
Sites with less than 10 years available do not have medians or averages.

The snow water equivalent percent of median (or average) represents the current snow water
equivalent found at selected SNOTEL sites in or near the basin compared to the median (or average) value
for those sites on this day.

The snow water equivalent percent of median (or average) peak represents the current
snow water equivalent at selected SNOTEL sites in or near the basin compared to the median (or average)
of the maximum seasonal values observed each water year for those sites.

Contact your state water supply staff for assistance.

Medians and averages are calculated for the period 1991-2020.

Provisional data, subject to revision.
* Site -- Either: (a) the current value is missing; (b) the median or average for the day is not available or is zero; or (c) for snow water equivalent, the median or average for the day is less than 10% of the maximum median or average value for the year.

* Basin - More than half of the stations for a basin with normals report missing or invalid data.

The basin index is calculated as the sum of the valid current values divided by the sum of the corresponding medians or averages and the resulting fraction multiplied by 100.