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Major Winter Storm in the North-Central U.S.; Severe Weather from the Mid-South to Ohio Valley

A major winter storm will bring a swath of heavy snowfall, strong winds, blizzard conditions and freezing rain to the Northern Plains into the Great Lakes region. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-south to the Ohio Valley and the Southeast. Critical fire weather concerns shift to the southern Rockies and Plains. Read More >

Cooperative Observer Water Year Precipitation

                       Western and Central Wyoming

 

Water Year: 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

 

PRELIMINARY WATER YEAR PRECIPITATION TOTALS
DATA AS OF:  FEBRUARY 2026
FILE CREATED AT:  Sun Mar 15 22:00:06 GMT 2026

NOTE: Precipitation totals preceding an "*" character may be low,
      because of one or more daily reports are missing in the database.
      Use this data with caution.

BIG HORN COUNTY WY STATIONS                          PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT    NOV    DEC    JAN    FEB    MAR    APR    MAY    JUN    JUL    AUG    SEP  TOTAL    DIFF  % OF NORMAL
KGEY     GREYBULL ASOS             1.89   0.09   0.24      T   0.04   0.25*     M      M      M      M      M      M   2.26   +1.09    193
GBLW4    GREYBULL COOP                M      M      M      M      M      M      M      M      M      M      M      M      M       M      M
SHLW4    SHELL 1NE COOP            2.90   0.25   0.50   0.13   0.06*  0.00*     M      M      M      M      M      M   3.84*  +0.67    121
BSNW4    BASIN COOP                2.50   0.00      T      T      T*  0.20*     M      M      M      M      M      M   2.50*  +0.72    140
DEVW4    DEAVER COOP               0.71   0.23   0.08      T   0.05*     T*     M      M      M      M      M      M   1.07*  +0.18    120
EMBW4    EMBLEM COOP                  M      M      M      M      M      M      M      M      M      M      M      M      M       M      M
LOVW4    LOVELL COOP               2.57   0.22   0.00*  0.03   0.10*     M      M      M      M      M      M      M   2.92*  +1.48    203
RONW4    RAIRDEN 2WSW COOP         1.91      T   0.01   0.40   0.00*     M      M      M      M      M      M      M   2.32*  +0.82    155

FREMONT COUNTY WY STATIONS                           PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT    NOV    DEC    JAN    FEB    MAR    APR    MAY    JUN    JUL    AUG    SEP  TOTAL    DIFF  % OF NORMAL
KLND     LANDER ASOS               1.49   0.43   0.28   0.06   0.35   0.99*     M      M      M      M      M      M   2.61   -1.41     65
LNRW4    LANDER COOP                  M      M      M      M      M      M      M      M      M      M      M      M      M       M      M
KRIW     RIVERTON ASOS             1.43   0.29   0.18   0.05   0.22   0.15*     M      M      M      M      M      M   2.17   -0.05     98
RIVW4    RIVERTON COOP             1.44   0.34   0.16   0.03   0.29*  0.30*     M      M      M      M      M      M   2.26*  +0.15    107
ATLW4    ATLANTIC CITY COOP           M      M      M      M      M      M      M      M      M      M      M      M      M       M      M
JEFW4    JEFFREY CITY COOP         0.12   0.42   0.14   0.09   0.00*  0.14*     M      M      M      M      M      M   0.77*  -1.87     29
SBDW4    BOYSEN DAM COOP           1.60   0.05   0.08   0.02   0.29   0.00*     M      M      M      M      M      M   2.04*  -0.19     91
SSHW4    SHOSHONI COOP             0.65*  0.05   0.05   0.03   0.24*  0.00*     M      M      M      M      M      M   1.02*  -0.36     74
DBOW4    DUBOIS COOP               3.30   0.36*  1.09   0.27   0.38*  0.21*     M      M      M      M      M      M   5.40*  +3.12    237
PVLW4    PAVILLION COOP            0.71*  0.36   0.01   0.12   0.25*  0.00*     M      M      M      M      M      M   1.45*  -0.24     86
MTNW4    DIVERSION DAM COOP           M      M      M      M      M      M      M      M      M      M      M      M      M       M      M

HOT SPRINGS COUNTY WY STATIONS                       PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT    NOV    DEC    JAN    FEB    MAR    APR    MAY    JUN    JUL    AUG    SEP  TOTAL    DIFF  % OF NORMAL
THMW4    THERMOPOLIS COOP          2.56*  0.05   0.24   0.04   0.28*  0.05*     M      M      M      M      M      M   3.17*  -0.15     95
BMTW4    THERMOPOLIS 9NE COOP      2.51   0.19   0.35   0.05   0.42   0.29*     M      M      M      M      M      M   3.52   +0.06    102
THDW4    THERMOPOLIS 8WNW COOP     2.78   0.11   0.13   0.05   0.22*     M      M      M      M      M      M      M   3.29*      M      M
BTXW4    BLACK MOUNTAIN COOP       1.67   0.15   0.28   0.08      M      M      M      M      M      M      M      M   2.18*  -2.07     51

JOHNSON COUNTY WY STATIONS                           PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT    NOV    DEC    JAN    FEB    MAR    APR    MAY    JUN    JUL    AUG    SEP  TOTAL    DIFF  % OF NORMAL
KBYG     BUFFALO ASOS              2.33   0.04   0.13   0.05   0.07   0.05*     M      M      M      M      M      M   2.62*  -0.02     99
BUFW4    BUFFALO COOP                 M      M      M      M      M      M      M      M      M      M      M      M      M       M      M
BFFW4    BUFFALO 5WSW COOP            M      M      M      M      M      M      M      M      M      M      M      M      M       M      M
BLYW4    BILLY CREEK COOP             M      M      M      M      M      M      M      M      M      M      M      M      M       M      M
KCEW4    KAYCEE COOP               2.26      T   0.25      T   0.00*  0.05*     M      M      M      M      M      M   2.51*  -0.05     98

LINCOLN COUNTY WY STATIONS                           PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT    NOV    DEC    JAN    FEB    MAR    APR    MAY    JUN    JUL    AUG    SEP  TOTAL    DIFF  % OF NORMAL
AFOW4    AFTON COOP                3.99   1.74   2.76   1.16   0.90*  0.43*     M      M      M      M      M      M  10.55*  +3.70    154
BDFW4    BEDFORD 3SE COOP          2.16*     M      M      M      M      M      M      M      M      M      M      M   2.16*  -7.35     23
FBMW4    FOSSIL BUTTE NAT MON COOP 2.62   1.21*  2.32*  0.90*  0.75*  0.60*     M      M      M      M      M      M   7.80*  +3.92    201
FNTW4    FONTENELLE DAM COOP       0.71   0.28   0.25   0.33   0.11*  0.14*     M      M      M      M      M      M   1.68*  -0.20     89
KMRW4    KEMMERER 2N COOP          1.13   0.92      T   0.70      M      M      M      M      M      M      M      M   2.75*  -1.10     71

NATRONA COUNTY WY STATIONS                           PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT    NOV    DEC    JAN    FEB    MAR    APR    MAY    JUN    JUL    AUG    SEP  TOTAL    DIFF  % OF NORMAL
KCPR     CASPER ASOS               1.56   0.27   0.36   0.19   0.35   0.16*     M      M      M      M      M      M   2.73   -0.71     79
CSWW4    CASPER 1SW COOP              M      M      M      M      M      M      M      M      M      M      M      M      M       M      M
CWWW4    CASPER WWTP COOP          1.61   0.02   0.49   0.23   0.38*  0.02*     M      M      M      M      M      M   2.73*  -0.52     84
MWTW4    MIDWEST COOP                 M      M      M      M      M      M      M      M      M      M      M      M      M       M      M
ACVW4    PATHFINDER DAM COOP       0.73   0.10   0.28   0.20   0.00*  0.00*     M      M      M      M      M      M   1.31*  -1.85     41
PRSW4    POWDER RIVER SCHOOL COOP  1.01   0.12*  0.29   0.09   0.00*     M      M      M      M      M      M      M   1.51*  -0.98     61
BCRW4    BATES CREEK COOP          1.24   0.13   0.17   0.52   0.05*     M      M      M      M      M      M      M   2.11*  -1.97     52

PARK COUNTY WY STATIONS                              PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT    NOV    DEC    JAN    FEB    MAR    APR    MAY    JUN    JUL    AUG    SEP  TOTAL    DIFF  % OF NORMAL
KCOD     CODY AWOS                 0.37*  0.07   0.15      T      M      M      M      M      M      M      M      M   0.59*      M      M
COPW4    CODY COOP                 1.10   0.25   0.83   0.11   0.25*  0.45*     M      M      M      M      M      M   2.54*  +0.18    108
BLBW4    BUFFALO BILL DAM COOP     1.08   0.22   0.87   0.04   0.00*  0.00*     M      M      M      M      M      M   2.21*  -0.17     93
OBAW4    CODY 12SE COOP            1.35   0.24   0.26      T   0.00*  0.22*     M      M      M      M      M      M   1.85*  +0.15    109
CLAW4    CLARK COOP                1.05   0.05   0.24   0.01      T*  0.33*     M      M      M      M      M      M   1.35*  -0.08     94
SUNW4    SUNSHINE 5NE COOP            M      M      M      M      M      M      M      M      M      M      M      M      M       M      M
WAPW4    WAPITI 1NE COOP              M      M      M      M      M      M      M      M      M      M      M      M      M       M      M
NFKW4    PAHASKA COOP              4.50   2.29   5.76*  1.40   1.01*  0.51*     M      M      M      M      M      M  14.96*      M      M
PFSW4    POWELL FIELD STN COOP     0.95   0.24   0.02   0.04   0.00*     M      M      M      M      M      M      M   1.25*  +0.04    103

SUBLETTE COUNTY WY STATIONS                          PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT    NOV    DEC    JAN    FEB    MAR    APR    MAY    JUN    JUL    AUG    SEP  TOTAL    DIFF  % OF NORMAL
KBPI     BIG PINEY ASOS            0.98   0.56   0.67   0.06   0.10   0.32*     M      M      M      M      M      M   2.37   +0.67    139
BPIW4    BIG PINEY COOP            1.00   0.75   0.72   0.00*  0.00*     M      M      M      M      M      M      M   2.47*  +0.77    145
BNWW4    BONDURANT COOP            1.99   0.98   4.26*  1.07   0.25*  0.13*     M      M      M      M      M      M   8.55*  -0.71     92
BRSW4    BOULDER REARING STN COOP  1.10   0.42   0.51   0.21   0.13*  0.22*     M      M      M      M      M      M   2.37*  -0.25     90
CORW4    CORA COOP                    M      M      M      M      M      M      M      M      M      M      M      M      M       M      M
PNDW4    PINEDALE COOP             2.28   0.59   1.03*  0.54*  0.05*     T*     M      M      M      M      M      M   4.49*  +1.06    131
DANW4    DANIEL FISH HATCHERY COOP 1.69   0.67   1.49   0.28   0.43*  0.06*     M      M      M      M      M      M   4.56*  +0.63    116

SWEETWATER COUNTY WY STATIONS                        PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT    NOV    DEC    JAN    FEB    MAR    APR    MAY    JUN    JUL    AUG    SEP  TOTAL    DIFF  % OF NORMAL
KRKS     ROCK SPRINGS ASOS         0.75   0.18   0.10   0.03   0.13   0.69*     M      M      M      M      M      M   1.19   -1.60     43
RSFW4    ROCK SPRINGS FD COOP      0.82*  0.43*  0.15      T   0.31*  0.89*     M      M      M      M      M      M   1.71*  -1.32     56
GRNW4    GREEN RIVER COOP          1.37   1.05   0.15   0.38   0.24*  0.13*     M      M      M      M      M      M   3.19*  +0.76    131
FGRW4    FLAMING GORGE COOP           M      M      M      M      M      M      M      M      M      M      M      M      M       M      M
FSNW4    FARSON 2NNE COOP          1.05   0.32   0.31   0.36   0.00*  0.21*     M      M      M      M      M      M   2.04*  -0.45     82
BITW4    BITTER CREEK 4NE COOP     0.76   0.05   0.06   0.03   0.02*  0.19*     M      M      M      M      M      M   0.92*  -1.20     43
WMSW4    WAMSUTTER COOP            1.53   0.43   0.24   0.05   0.17*  1.73*     M      M      M      M      M      M   2.42*  +0.09    104

TETON COUNTY WY STATIONS                             PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT    NOV    DEC    JAN    FEB    MAR    APR    MAY    JUN    JUL    AUG    SEP  TOTAL    DIFF  % OF NORMAL
KJAC     JACKSON AWOS              1.54*  0.55*  3.64   0.66*  1.64   0.32*     M      M      M      M      M      M   8.03*      M      M
JFSW4    JACKSON COOP              2.81*  0.28*  3.58*  1.14   1.44*  0.26*     M      M      M      M      M      M   9.25*  +2.61    139
MOOW4    MOOSE COOP                   M   0.39*  4.58*  1.23*  1.98*     T*     M      M      M      M      M      M   8.18*  -3.00     73
MRAW4    MORAN 5WNW COOP           0.00*  0.12*  0.00*  4.48*  0.06*  0.19*     M      M      M      M      M      M   4.66*  -7.89     37
DARW4    DARWIN RANCH COOP         2.82   0.77   2.36   0.74   0.62*  0.15*     M      M      M      M      M      M   7.31*  +1.62    128
ALTW4    ALTA COOP                 3.26   0.39   2.73   1.81   0.64*  0.41*     M      M      M      M      M      M   8.83*  -2.00     82

WASHAKIE COUNTY WY STATIONS                          PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT    NOV    DEC    JAN    FEB    MAR    APR    MAY    JUN    JUL    AUG    SEP  TOTAL    DIFF  % OF NORMAL
KWRL     WORLAND ASOS              1.40      T   0.01      T      T   0.05*     M      M      M      M      M      M   1.41   -0.28     83
WORW4    WORLAND COOP              1.62   0.05   0.03   0.03   0.16*  0.03*     M      M      M      M      M      M   1.89*  +0.06    103
TFRW4    TEN SLEEP 4NE COOP        2.03   0.25   0.57   0.11   0.33*  0.37*     M      M      M      M      M      M   3.29*  -0.38     90
TNSW4    TEN SLEEP 16SSE COOP      0.95*  0.00*  0.29*     T*  0.00*  0.00*     M      M      M      M      M      M   1.24*  -2.80     31

YELLOWSTONE NATIONAL PARK STNS                       PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT    NOV    DEC    JAN    FEB    MAR    APR    MAY    JUN    JUL    AUG    SEP  TOTAL    DIFF  % OF NORMAL
KP60     LAKE YELLOWSTONE ASOS     3.48   1.09   5.43   1.61   1.73   0.80*     M      M      M      M      M      M  13.34   +4.89    158
LKYW4    LAKE YELLOWSTONE COOP     0.62*  0.64*  4.61*  0.30*  0.24*  0.15*     M      M      M      M      M      M   6.41*  -1.51     81
OLFW4    OLD FAITHFUL COOP            M      M   5.94*  1.18*  0.79*  0.00*     M      M      M      M      M      M   7.91*  -3.30     71
BKRW4    BECHLER RIVER COOP        2.32*     M      M      M      M      M      M      M      M      M      M      M   2.32*      M      M
EYPW4    EAST ENTRANCE COOP        4.08   1.29*  5.99*  1.34   1.33*  0.21*     M      M      M      M      M      M  14.03*      M      M
YLWW4    MAMMOTH COOP              0.13*  0.34   2.03*  0.37*  0.52*     M      M      M      M      M      M      M   3.39*  -1.10     76
TWRW4    TOWER FALLS RNGR STN COOP 1.68*  0.31*  2.56*  0.80*  0.72*  0.23*     M      M      M      M      M      M   6.07*  +0.17    103
LMRW4    LAMAR RNGR STN COOP       2.69   0.45   2.82   0.53   0.56*  0.00*     M      M      M      M      M      M   7.05*      M      M
SNKW4    SNAKE RIVER RNGR STN COOP 2.56*  0.36*  4.83*  1.87   1.87*  0.10*     M      M      M      M      M      M  11.49*  -3.85     75