NWUS55 KCYS 182142
LSRCYS

Preliminary Local Storm Report
National Weather Service Cheyenne WY
342 PM MDT Mon May 18 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0600 AM     Snow             6 NE Arlington          41.65N 106.13W
05/18/2026  M14.0 Inch       Carbon             WY   Cocorahs         

            Cocorahs station WY-CR-41 McFadden 0.3 SW. 

0700 AM     Snow             1 NW Centennial         41.31N 106.13W
05/18/2026  M9.7 Inch        Albany             WY   Cocorahs         

            Cocorahs station WY-AB-108 Centennial 1.1 
            NNE. 

0700 AM     Snow             6 NE Arlington          41.66N 106.13W
05/18/2026  M8.1 Inch        Carbon             WY   Cocorahs         

            Cocorahs station WY-CR-5 Rock River 9.6 WSW. 

0700 AM     Snow             Elk Mountain            41.68N 106.42W
05/18/2026  M7.3 Inch        Carbon             WY   Cocorahs         

            Cocorahs station WY-CR-18 Elk Mountain 0.3 
            SW. 

0700 AM     Snow             2 S Elk Mountain        41.65N 106.41W
05/18/2026  M6.1 Inch        Carbon             WY   Cocorahs         

            Cocorahs station WY-CR-4 Elk Mountain 2.1 S. 

0700 AM     Snow             1 WNW Glenrock          42.86N 105.87W
05/18/2026  M4.0 Inch        Converse           WY   Cocorahs         

            Cocorahs station WY-CV-27 Glenrock 0.6 WNW. 

0800 AM     Snow             1 SW Glenrock           42.84N 105.87W
05/18/2026  M3.8 Inch        Converse           WY   Cocorahs         

            Cocorahs station WY-CV-5 Glenrock 1.4 SW. 

0700 AM     Snow             7 ENE Bosler            41.63N 105.57W
05/18/2026  M3.7 Inch        Albany             WY   Cocorahs         

            Cocorahs station WY-AB-188 Bosler 8.0 NE. 

0630 AM     Snow             4 WSW Douglas           42.73N 105.47W
05/18/2026  M3.0 Inch        Converse           WY   Cocorahs         

            Cocorahs station WY-CV-16 Douglas 4.3 WSW. 

0700 AM     Snow             4 E Douglas             42.76N 105.32W
05/18/2026  M2.1 Inch        Converse           WY   Cocorahs         

            Cocorahs station WY-CV-12 Douglas 3.6 E. 

0700 AM     Snow             6 NE Douglas            42.81N 105.30W
05/18/2026  M2.0 Inch        Converse           WY   Cocorahs         

            Cocorahs station WY-CV-39 Douglas 6.0 NE. 

0800 AM     Snow             16 NW Wheatland         42.21N 105.19W
05/18/2026  M1.1 Inch        Platte             WY   Cocorahs         

            Cocorahs station WY-PT-36 Wheatland 15.9 NW. 

0700 AM     Snow             13 NNW Lost Springs     42.93N 105.03W
05/18/2026  M1.0 Inch        Converse           WY   Cocorahs         

            Cocorahs station WY-CV-40 Lost Springs 12.5 
            NNW. 

0700 AM     Snow             16 WSW Bordeaux         41.83N 105.21W
05/18/2026  M0.8 Inch        Platte             WY   Cocorahs         

            Cocorahs station WY-PT-14 Wheatland 20.0 SW. 

0659 AM     Snow             5 SSW Federal           41.21N 105.13W
05/18/2026  M0.5 Inch        Laramie            WY   Cocorahs         

            Cocorahs station WY-LM-226 Cheyenne 18.2 
            WNW. 

0700 AM     Snow             4 SE Federal            41.22N 105.05W
05/18/2026  M0.3 Inch        Laramie            WY   Cocorahs         

            Cocorahs station WY-LM-130 Cheyenne 14.3 
            WNW. 

0700 AM     Snow             1 SSE Laramie           41.30N 105.57W
05/18/2026  M0.2 Inch        Albany             WY   Cocorahs         

            Cocorahs station WY-AB-5 Laramie 1.3 SE. 

0700 AM     Snow             2 ENE Laramie           41.32N 105.55W
05/18/2026  M0.2 Inch        Albany             WY   Cocorahs         

            Cocorahs station WY-AB-138 Laramie 1.8 ENE. 

0700 AM     Snow             1 SSE Laramie           41.30N 105.57W
05/18/2026  M0.2 Inch        Albany             WY   CO-OP Observer   

            CO-OP Observer station ADFW4 Laramie 1 SE. 

0700 AM     Snow             1 NNE Laramie           41.33N 105.57W
05/18/2026  M0.1 Inch        Albany             WY   Cocorahs         

            Cocorahs station WY-AB-186 Laramie 1.2 NNE. 


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