348  
FOUS55 KCYS 140214  
AFMCYS  
 
AREA FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHEYENNE WY  
814 PM MDT TUE APR 13 2021  
 
NEZ002-141100-  
DAWES COUNTY-  
INCLUDING THE CITIES OF CHADRON AND CHADRON ST PARK  
814 PM MDT TUE APR 13 2021  
 
DATE 04/13/21 WED 04/14/21 THU 04/15/21 FRI  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 24 36 41 44 29 33 37 40 24 29 31  
TEMP 32 27 25 24 29 35 39 40 35 33 31 29 32 34 37 35 33 31 31 29  
DEWPT 17 17 17 17 19 18 20 21 23 23 24 25 27 28 29 28 29 29 28 28  
RH 53 65 71 74 66 49 46 46 61 66 75 85 81 78 72 75 85 92 88 96  
WIND DIR N N N NE NE NE NE E NE E E E E E E NE NE NE N N  
WIND SPD 9 6 5 5 8 9 10 11 10 10 10 10 12 14 13 11 8 8 8 8  
WIND GUST 20 20 21 24 25 24  
CLOUDS FW SC B1 B2 B2 B2 B1 B1 B2 B2 B2 OV OV OV OV OV OV OV OV OV  
POP 12HR 10 20 40 80 70  
QPF 12HR 0 0 0.00-0.08 0.29-0.37 0.12-0.18  
SNOW 12HR 00-00 00-00 T  
FLURRIES C C C C C  
FRZG RAIN C S  
RAIN D L L  
SNOW S S S S C C D D D D L L L L L  
SPRINKLES C C  
WIND CHILL 25 20 17 22 27 33 33 28 25 23 21 23 25 28 27 26 23 24 22  
MIN CHILL 15 13 14 25 21 16 16 20 18 14  
 
DATE 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 38 26 41 24 51 29 45 25 51  
TEMP 35 37 30 28 36 39 28 26 44 48 35 31 40 43 31 27 46 50  
DEWPT 29 27 26 26 26 23 23 21 26 25 26 26 26 24 24 22 25 23  
PWIND DIR N N N NW NW NW N NW NW  
WIND CHAR GN GN GN GN GN GN BZ GN GN  
AVG CLOUDS OV B2 B2 B1 B2 B1 SC SC FW SC SC SC B1 B1 SC SC FW FW  
POP 12HR 60 20 20 5 10 10 20 10 5  
FLURRIES C C  
RAIN C S S S  
SNOW L C S S S S S S  
 

 
NEZ003-141100-  
BOX BUTTE COUNTY-  
INCLUDING THE CITY OF ALLIANCE  
814 PM MDT TUE APR 13 2021  
 
DATE 04/13/21 WED 04/14/21 THU 04/15/21 FRI  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 24 40 29 36 27  
TEMP 33 28 25 24 28 34 39 40 36 34 31 29 32 33 36 34 33 30 30 28  
DEWPT 16 17 17 17 19 19 21 22 24 23 25 26 28 28 28 28 29 28 27 27  
RH 49 63 71 74 68 54 48 48 61 64 78 88 85 82 72 78 85 92 88 96  
WIND DIR N NE NE NE NE E E E E E E E E E E E NE NE NE N  
WIND SPD 11 9 8 6 9 9 10 12 12 12 12 12 13 16 16 12 9 9 10 9  
WIND GUST 23 24  
CLOUDS SC B1 B2 OV B2 B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV  
POP 12HR 20 20 40 80 70  
QPF 12HR 0.01 0.02 0.02-0.07 0.28-0.36 0.15-0.23  
SNOW 12HR T T T  
FLURRIES C C C  
FRZG RAIN C  
RAIN S D L L  
SNOW S S S S S S C C D D D D L L L L L  
SPRINKLES C C C  
WIND CHILL 24 19 17 16 19 26 32 32 27 25 22 19 22 23 26 24 25 21 21 19  
MIN CHILL 15 13 14 25 22 17 17 21 19 15  
 
DATE 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 36 24 39 22 48 27 44 23 50  
TEMP 34 35 28 26 35 37 27 24 43 46 33 30 39 41 29 26 46 49  
DEWPT 28 26 25 25 25 23 22 20 25 23 25 26 25 24 23 21 24 23  
PWIND DIR N N N NW NW NW N NW NW  
WIND CHAR GN GN GN GN GN GN BZ GN GN  
AVG CLOUDS OV B2 B2 B1 B2 B1 SC SC SC SC SC SC B1 B1 SC SC SC FW  
POP 12HR 60 20 20 5 10 10 20 10 5  
FLURRIES C C C  
RAIN C  
SNOW L C S S S S S  
SPRINKLES C  
 

 
NEZ019-141100-  
SCOTTS BLUFF COUNTY-  
INCLUDING THE CITIES OF SCOTTSBLUFF AND GERING  
814 PM MDT TUE APR 13 2021  
 
DATE 04/13/21 WED 04/14/21 THU 04/15/21 FRI  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 27 38 41 44 32 35 38 41 29  
TEMP 38 33 29 27 29 35 40 41 37 35 32 32 33 35 38 35 33 31 32 29  
DEWPT 16 17 19 20 22 23 25 27 28 28 29 28 29 29 29 29 30 29 28 28  
RH 40 51 66 74 75 61 55 57 70 75 88 85 85 78 70 78 89 92 85 96  
WIND DIR N NE NE NE NE E E SE E E E E E E E E NE NE NE N  
WIND SPD 9 10 9 6 9 11 11 13 12 12 13 13 14 17 17 12 9 9 8 8  
WIND GUST 25 25 28 18  
CLOUDS B1 B2 OV OV OV B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV  
POP 12HR 30 40 40 80 70  
QPF 12HR 0.02 0.04 0.06 0.25-0.34 0.16-0.26  
SNOW 12HR T T T  
FLURRIES C  
FRZG RAIN S S C S  
RAIN C C D L L  
SNOW C C C C S S C C C C L L D D L L L L L  
SPRINKLES C C C  
WIND CHILL 31 25 21 19 20 27 33 34 29 27 23 22 23 25 29 27 26 23 24 22  
MIN CHILL 20 16 15 23 23 18 18 21 19 18  
 
DATE 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 39 25 41 23 50 29 48 25 52  
TEMP 35 37 29 27 36 39 28 24 43 48 34 31 42 44 31 27 47 52  
DEWPT 29 27 26 25 26 24 24 21 25 24 26 25 27 25 25 23 26 24  
PWIND DIR N N NW NW NW NW N NW NW  
WIND CHAR GN GN GN GN GN GN BZ LT GN  
AVG CLOUDS OV B2 B2 B1 B2 B1 SC SC SC SC SC SC B1 B1 SC SC FW FW  
POP 12HR 60 10 20 5 10 10 20 20 5  
FLURRIES C C C  
RAIN C S S S  
SNOW L C S S S C S  
SPRINKLES C C  
 

 
NEZ020-141100-  
BANNER COUNTY-  
INCLUDING THE CITY OF HARRISBURG  
814 PM MDT TUE APR 13 2021  
 
DATE 04/13/21 WED 04/14/21 THU 04/15/21 FRI  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 26 35 39 43 30 36 24 27 31  
TEMP 36 32 28 26 27 32 37 38 35 33 31 30 31 34 36 33 31 29 29 28  
DEWPT 17 17 19 20 23 24 26 27 29 28 29 28 28 29 29 29 29 29 28 28  
RH 45 53 68 78 85 72 64 64 78 82 92 92 88 82 75 85 92100 96100  
WIND DIR N NE NE NE E E SE SE SE SE SE SE SE SE E E NE NE N N  
WIND SPD 8 9 8 8 10 11 12 13 13 12 13 16 16 17 17 12 10 11 10 11  
WIND GUST 23 23 26 26 27  
CLOUDS B2 B2 OV OV OV B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV  
POP 12HR 40 40 50 80 80  
QPF 12HR 0.02 0.05 0.07 0.23-0.30 0.22-0.33  
SNOW 12HR T T T  
FRZG RAIN S S S C S  
RAIN S C C  
SNOW S C C C C S S C C C C L L D D D D L L L  
SPRINKLES C  
OBVIS PF  
WIND CHILL 30 24 20 17 17 23 29 30 26 24 22 19 20 24 25 23 23 20 20 18  
MIN CHILL 21 13 12 21 19 16 16 19 16 13  
 
DATE 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 35 24 38 22 47 28 44 24 49  
TEMP 33 34 27 26 34 36 27 24 41 44 33 30 40 41 29 27 46 49  
DEWPT 29 27 26 25 26 24 23 21 26 25 25 25 27 25 24 23 26 25  
PWIND DIR N N NW NW NW NW N NW NW  
WIND CHAR GN GN GN GN GN GN BZ GN GN  
AVG CLOUDS OV B2 B2 B1 B2 B1 SC SC SC SC FW SC B1 B1 SC SC FW FW  
POP 12HR 60 20 20 5 10 10 30 20 10  
FLURRIES C C C  
RAIN C S  
SNOW L C S S S S C S S  
 

 
NEZ021-141100-  
MORRILL COUNTY-  
INCLUDING THE CITIES OF ANGORA, BRIDGEPORT, BAYARD, AND REDINGTON  
814 PM MDT TUE APR 13 2021  
 
DATE 04/13/21 WED 04/14/21 THU 04/15/21 FRI  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 26 40 43 46 31 38 29  
TEMP 38 32 28 26 29 35 41 42 37 35 32 31 33 36 38 36 35 32 33 30  
DEWPT 16 17 18 19 21 23 25 26 27 27 28 28 29 30 30 31 31 30 30 29  
RH 40 53 66 74 72 61 52 53 67 72 85 88 85 79 73 82 85 92 89 96  
WIND DIR N NE NE NE NE E E E SE SE E E E E E E NE NE NE N  
WIND SPD 10 11 9 6 9 10 11 11 11 10 12 12 14 16 14 12 9 9 9 8  
WIND GUST 23 25 25 19  
CLOUDS SC B1 B2 OV OV B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV  
POP 12HR 20 30 40 80 70  
QPF 12HR 0.01 0.03 0.05 0.25-0.33 0.20-0.38  
SNOW 12HR T T T  
FLURRIES C  
FRZG RAIN S S  
RAIN S S S D L L L  
SNOW S S C C S S S S C C L L D D L L L L L  
SPRINKLES C C C  
WIND CHILL 31 23 19 18 20 27 34 36 30 28 23 22 23 26 29 27 28 24 25 22  
MIN CHILL 19 14 14 26 24 19 19 22 20 17  
 
DATE 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 39 25 41 23 50 29 48 26 52  
TEMP 35 37 29 27 36 39 28 25 44 47 34 31 42 44 31 28 48 51  
DEWPT 30 28 27 26 27 25 23 22 26 25 26 26 27 25 25 24 26 24  
PWIND DIR N N N NW NW NW N NW NW  
WIND CHAR GN GN GN GN GN GN BZ GN GN  
AVG CLOUDS OV B2 B2 B1 B2 B1 SC SC SC SC FW SC B1 B1 SC SC FW FW  
POP 12HR 60 10 10 5 10 10 20 20 5  
FLURRIES C C C  
RAIN C S S S  
SNOW L C S S S  
SPRINKLES C C  
 

 
NEZ054-141100-  
KIMBALL COUNTY-  
INCLUDING THE CITY OF KIMBALL  
814 PM MDT TUE APR 13 2021  
 
DATE 04/13/21 WED 04/14/21 THU 04/15/21 FRI  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 25 35 38 41 29 36 25  
TEMP 35 32 28 25 26 32 37 38 33 32 31 29 30 33 36 32 31 28 28 27  
DEWPT 18 18 19 20 23 23 24 26 28 28 28 28 28 28 28 28 28 27 27 27  
RH 49 56 68 81 88 69 59 62 82 85 88 96 92 82 72 85 88 96 96100  
WIND DIR NE NE NE NE E E SE SE SE SE SE SE SE SE E E NE NE NE N  
WIND SPD 9 10 9 9 11 12 13 13 12 12 13 14 17 17 17 13 11 10 11 11  
WIND GUST 19 21 23 24 23 25  
CLOUDS B2 OV OV OV OV OV B2 B2 B2 B2 OV OV OV OV OV OV B2 OV OV OV  
POP 12HR 40 50 50 70 80  
QPF 12HR 0.01 0.03 0.07-0.14 0.21-0.30 0.25-0.39  
SNOW 12HR T T T  
FLURRIES C  
FRZG RAIN S S S C C  
RAIN S C  
SNOW S C C C C S S C C C C L L L L D D L L L  
SPRINKLES C  
OBVIS PF  
WIND CHILL 28 23 19 16 16 22 29 29 25 22 20 18 19 23 25 22 22 19 18 17  
MIN CHILL 20 12 12 21 19 16 16 18 15 12  
 
DATE 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 35 22 37 20 46 26 44 23 49  
TEMP 33 34 25 24 34 36 25 23 41 44 31 28 40 41 29 26 46 48  
DEWPT 27 26 25 24 24 22 22 20 24 23 24 24 25 24 25 23 24 23  
PWIND DIR N N N NW NW NW N NW NW  
WIND CHAR GN GN GN GN GN GN BZ GN GN  
AVG CLOUDS OV B2 B1 B1 B1 B1 SC SC SC SC FW SC B1 B1 SC SC FW FW  
POP 12HR 60 10 20 10 10 10 30 20 10  
FLURRIES C C C  
SNOW L C S S S S C S S  
 

 
NEZ055-141100-  
CHEYENNE COUNTY-  
INCLUDING THE CITIES OF SIDNEY AND BROWNSON  
814 PM MDT TUE APR 13 2021  
 
DATE 04/13/21 WED 04/14/21 THU 04/15/21 FRI  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 26 39 42 45 30 37 28  
TEMP 37 33 29 26 28 34 40 41 35 34 32 30 32 36 37 35 34 31 31 29  
DEWPT 17 17 19 19 23 24 25 27 29 28 28 28 29 29 30 30 30 29 29 28  
RH 44 51 66 74 81 66 55 57 78 78 85 92 88 75 75 82 85 92 92 96  
WIND DIR N NE NE NE E E E SE SE SE SE E SE SE E E E NE NE N  
WIND SPD 8 10 9 8 11 12 12 12 11 11 11 13 16 18 17 13 10 10 11 11  
WIND GUST 21 24  
CLOUDS B1 B2 B2 OV OV B2 B2 B1 B2 B2 OV OV OV OV OV OV OV OV OV B2  
POP 12HR 30 40 40 70 80  
QPF 12HR 0 0.02 0.03-0.10 0.24-0.31 0.33-0.45  
SNOW 12HR 00-00 T T  
FLURRIES C  
FRZG RAIN S S S C C  
RAIN S S S L D D  
SNOW S C C C C S S S S C C L L L L D D L L L  
SPRINKLES C C C  
WIND CHILL 31 25 20 18 18 26 33 34 27 26 23 19 21 26 27 26 26 22 22 19  
MIN CHILL 22 16 15 26 23 17 17 21 18 16  
 
DATE 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 37 24 40 22 48 27 47 25 51  
TEMP 35 36 27 26 36 38 26 23 43 45 32 29 42 43 30 26 48 50  
DEWPT 30 29 26 25 27 24 22 22 26 24 25 25 27 25 25 24 26 24  
PWIND DIR N N N NW NW NW N N NW  
WIND CHAR GN GN GN GN GN GN BZ GN GN  
AVG CLOUDS OV B2 B1 B1 B1 B1 SC SC SC SC FW SC B1 B1 SC SC FW FW  
POP 12HR 60 10 10 5 10 10 20 20 10  
FLURRIES C C C  
RAIN C S S  
SNOW L C S S S  
SPRINKLES C  
 

 
NEZ095-141100-  
NORTHERN SIOUX COUNTY-  
INCLUDING THE CITY OF HARRISON  
814 PM MDT TUE APR 13 2021  
 
DATE 04/13/21 WED 04/14/21 THU 04/15/21 FRI  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 24 34 38 42 25 28 31 30 35 38 23 26 32  
TEMP 31 27 25 24 28 33 37 38 34 32 30 28 31 33 34 33 31 29 29 28  
DEWPT 15 16 17 16 17 18 20 21 23 23 25 25 27 27 29 28 28 27 27 26  
RH 51 63 71 71 63 53 50 50 64 69 81 88 85 78 82 82 88 92 92 92  
WIND DIR N N N N NE E E E E E E E E E E NE NE NE N N  
WIND SPD 10 9 6 5 8 8 11 13 13 13 12 12 14 16 14 11 8 6 6 8  
WIND GUST 20 24 25 23 23 25 27 25  
CLOUDS SC SC B2 B2 B2 B2 B1 B2 B2 B2 OV OV OV OV OV OV OV OV OV OV  
POP 12HR 10 20 50 80 70  
QPF 12HR 0 0 0.03-0.09 0.27-0.38 0.10-0.15  
SNOW 12HR 00-00 00-00 1  
FLURRIES C C C C  
FRZG RAIN S S  
SNOW S S C C S S C C D D D D L L L L C  
SPRINKLES C C  
WIND CHILL 22 18 18 17 20 27 30 29 24 22 20 18 20 22 25 24 24 21 22 20  
MIN CHILL 12 10 12 24 16 14 14 17 16 14  
 
DATE 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 36 24 39 23 49 28 44 24 49  
TEMP 34 35 28 26 34 37 27 25 43 46 34 30 39 41 29 26 45 49  
DEWPT 28 28 26 25 25 25 22 20 26 25 26 26 26 24 23 21 24 24  
PWIND DIR N N NW NW NW NW N NW NW  
WIND CHAR GN LT GN GN GN GN BZ GN GN  
AVG CLOUDS OV B2 B2 B1 B1 B1 SC SC FW SC SC SC B1 B1 SC SC FW FW  
POP 12HR 50 20 20 5 10 20 20 10 5  
FLURRIES C C  
RAIN C S S S  
SNOW C C S S S S S S S S  
 

 
NEZ096-141100-  
SOUTHERN SIOUX COUNTY-  
INCLUDING THE CITY OF AGATE  
814 PM MDT TUE APR 13 2021  
 
DATE 04/13/21 WED 04/14/21 THU 04/15/21 FRI  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 25 39 29 33 35 39 26  
TEMP 33 29 26 25 28 33 38 39 35 33 31 30 32 33 35 33 32 29 29 28  
DEWPT 15 16 18 18 20 20 22 23 25 25 27 26 27 27 27 28 28 27 27 26  
RH 47 58 71 74 71 58 52 52 66 72 85 85 81 78 72 82 85 92 92 92  
WIND DIR N NE NE NE NE E E E E E E E E E E E NE NE NE N  
WIND SPD 11 11 9 6 10 9 11 14 14 14 14 14 16 17 17 13 10 9 9 9  
WIND GUST 21 25 25 25 27  
CLOUDS SC B1 OV OV OV B2 B2 B2 B2 OV B2 OV OV OV OV OV OV OV OV OV  
POP 12HR 20 30 50 80 70  
QPF 12HR 0.03 0.03 0.07 0.27-0.36 0.10-0.20  
SNOW 12HR T T 1  
FLURRIES C C  
FRZG RAIN S C S  
RAIN C  
SNOW S S C C S S C C D D D D L L L L C  
SPRINKLES C C  
WIND CHILL 24 19 17 16 19 25 30 30 25 23 21 19 21 22 25 24 24 21 21 19  
MIN CHILL 16 14 14 24 21 16 17 20 19 15  
 
DATE 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 36 23 39 21 48 27 44 23 50  
TEMP 34 35 27 26 34 37 26 24 42 46 32 30 40 41 29 25 46 49  
DEWPT 26 26 25 24 24 23 22 19 23 23 25 25 24 23 23 21 23 23  
PWIND DIR N N N NW NW NW N NW NW  
WIND CHAR GN GN GN GN GN GN BZ GN GN  
AVG CLOUDS OV B2 B1 B1 B2 B1 SC SC SC SC SC SC B1 B1 SC SC FW FW  
POP 12HR 50 20 20 5 10 10 20 20 5  
FLURRIES C C  
SNOW C C S S S S S  
 

 
WYZ101-141100-  
CONVERSE COUNTY LOWER ELEVATIONS-  
INCLUDING THE CITIES OF DOUGLAS, GLENROCK, BILL, AND DEER CREEK  
814 PM MDT TUE APR 13 2021  
 
DATE 04/13/21 WED 04/14/21 THU 04/15/21 FRI  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 19 22 25 32 37 41 28 33 37 44 26  
TEMP 29 25 23 22 25 31 36 36 33 30 29 28 30 33 36 34 30 29 29 28  
DEWPT 15 16 17 16 17 17 20 22 24 25 25 25 26 26 26 26 26 27 26 26  
RH 55 68 77 77 71 56 52 56 69 81 85 88 85 75 67 72 85 92 88 92  
WIND DIR N N NE NE NE E E E E E E E E E E E NE N N N  
WIND SPD 11 12 11 9 12 11 13 16 17 18 20 16 18 18 16 12 6 5 6 8  
WIND GUST 21 24 23 23 25 27 28 33 37 33 33 32 27 23 17 19  
CLOUDS B1 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV  
POP 12HR 20 40 60 80 60  
QPF 12HR 0.00-0.07 0.00-0.06 0.07-0.26 0.10-0.27 0.05-0.12  
SNOW 12HR 00-00 T 1  
FLURRIES C C C C  
FRZG RAIN S S L S S S S  
RAIN S  
SNOW S S C C S S C C L L L L L L L L C C C  
SPRINKLES C  
OBVIS BS BS BS BS  
WIND CHILL 19 13 12 12 14 22 28 27 22 18 16 16 18 21 26 25 23 22 21 20  
MIN CHILL 8 6 6 16 13 11 11 17 17 15  
 
DATE 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 37 23 40 23 48 28 45 23 50  
TEMP 34 36 27 26 35 38 27 25 43 47 34 30 39 43 30 26 46 50  
DEWPT 26 25 25 23 23 22 22 20 23 24 26 26 25 24 24 21 24 25  
PWIND DIR N NW NW W W NW NW NW W  
WIND CHAR GN GN GN GN GN GN GN GN GN  
AVG CLOUDS OV B2 B2 B1 B1 B1 SC SC FW SC SC B1 B2 B1 SC SC FW FW  
POP 12HR 50 20 10 5 5 20 20 10 5  
FLURRIES C C C C  
RAIN S  
SNOW C C S S S S S  
SPRINKLES C  
 

 
WYZ102-141100-  
NIOBRARA COUNTY-  
INCLUDING THE CITIES OF LUSK AND REDBIRD  
814 PM MDT TUE APR 13 2021  
 
DATE 04/13/21 WED 04/14/21 THU 04/15/21 FRI  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 23 33 39 43 27 30 35 40 23 27 29  
TEMP 30 26 24 23 28 33 38 38 34 31 30 28 30 33 35 34 32 29 29 28  
DEWPT 15 16 16 16 17 16 19 21 23 23 24 25 26 27 27 26 27 27 27 27  
RH 53 65 71 74 63 49 46 50 64 72 78 88 85 78 72 72 81 92 92 96  
WIND DIR N N N N N E E E E E E E E E E E E NE N N  
WIND SPD 11 12 10 8 10 6 11 14 16 17 17 13 16 17 14 11 6 5 5 6  
WIND GUST 21 26 21 28 33 36 26 27 28 25 16 18  
CLOUDS SC SC B2 B2 B2 B1 B1 B2 B2 OV OV OV OV OV OV OV OV OV OV OV  
POP 12HR 10 20 50 80 60  
QPF 12HR 0 0 0.02-0.16 0.20-0.37 0.07-0.13  
SNOW 12HR 00-00 00-00 1  
FLURRIES C C C C C  
FRZG RAIN S S S C  
SNOW S S S S S S C C C C D D D D L L C C C  
SPRINKLES C C  
WIND CHILL 21 15 14 15 18 27 31 29 23 20 18 17 19 22 26 25 26 23 22  
MIN CHILL 10 9 10 19 15 12 13 17 16 15  
 
DATE 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 38 24 41 24 50 29 45 25 51  
TEMP 34 36 28 26 36 39 28 26 44 48 35 31 40 43 30 27 46 51  
DEWPT 27 26 26 25 23 22 23 21 24 24 27 26 25 23 24 22 24 23  
PWIND DIR N NW NW NW NW NW NW NW W  
WIND CHAR GN GN GN GN GN GN GN LT GN  
AVG CLOUDS OV B2 B1 B1 B1 B1 SC SC FW SC SC B1 B1 B1 SC FW FW FW  
POP 12HR 40 20 20 5 10 20 20 10 5  
FLURRIES C C  
RAIN C S S  
SNOW C C S S S S S  
SPRINKLES C  
 

 
WYZ103-141100-  
NORTH LARAMIE RANGE-  
INCLUDING THE CITIES OF GARRETT AND ESTERBROOK  
814 PM MDT TUE APR 13 2021  
 
DATE 04/13/21 WED 04/14/21 THU 04/15/21 FRI  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 14 19 24 22 30 35 20 26 30 26 35 41 17 23 29  
TEMP 25 22 20 19 21 26 29 29 26 27 26 26 28 32 33 31 28 25 24 25  
DEWPT 13 15 16 16 17 19 20 22 24 24 24 22 24 24 24 24 23 22 22 21  
RH 60 74 84 88 84 74 69 75 92 88 92 85 85 72 69 75 81 88 92 84  
WIND DIR NE NE E E E E E E SE SE SE SE SE E E NE NE NE N N  
WIND SPD 11 13 12 12 13 13 17 18 17 20 20 16 14 14 13 12 9 8 8 9  
WIND GUST 23 28 31 29 28 27 33 32 31 36 36 33 28 25 25 21 20 20 19  
CLOUDS B2 OV OV OV B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV  
POP 12HR 50 50 60 80 70  
QPF 12HR 0.02-0.18 0.02-0.22 0.14-0.42 0.07-0.29 0.05-0.15  
SNOW 12HR 1 1 1-5  
FLURRIES  
FRZG RAIN S S S S C S C S S  
SNOW C C C C C C C L L L L L L D D L L L L L  
OBVIS PF PF PF BS BS PF BS BS BS  
WIND CHILL 15 10 7 6 8 14 17 17 13 13 12 14 17 22 23 21 19 17 15 15  
MIN CHILL 0 -1 -1 4 4 4 6 9 6 4  
WINTER WEATH Y Y Y Y Y Y Y Y Y Y Y Y Y  
 
DATE 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 31 20 33 18 41 25 39 22 45  
TEMP 30 30 23 21 30 31 22 20 37 39 29 27 35 36 27 25 42 44  
DEWPT 22 22 19 17 19 20 16 14 21 23 19 20 23 23 21 17 22 25  
PWIND DIR N N NW NW W NW NW NW W  
WIND CHAR GN GN GN GN GN GN GN GN GN  
AVG CLOUDS OV OV B2 B2 B1 B1 SC SC SC SC SC B1 B1 B1 B1 SC SC FW  
POP 12HR 60 20 20 10 5 20 30 20 10  
FLURRIES C  
SNOW L C S S S S S C C S  
 

 
WYZ104-141100-  
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-  
INCLUDING THE CITY OF SEMINOE DAM  
814 PM MDT TUE APR 13 2021  
 
DATE 04/13/21 WED 04/14/21 THU 04/15/21 FRI  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 15 22 27 24 35 41 21 27 31 25 38 45 17 25 31  
TEMP 28 25 22 22 24 30 35 32 28 29 28 28 32 35 36 34 31 27 27 26  
DEWPT 15 17 18 18 19 21 22 22 24 24 24 24 25 25 25 24 23 23 22 22  
RH 58 71 84 84 81 69 59 66 85 81 85 85 75 66 64 66 72 85 81 85  
WIND DIR NE NE NE E E E E E E E E E E NE N NE NE NE N N  
WIND SPD 17 18 17 16 14 17 20 20 19 19 17 12 11 11 13 14 11 9 9 9  
WIND GUST 32 34 32 33 32 32 39 43 44 44 40 32 31 23 26 27 26 23 21 23  
CLOUDS OV OV OV OV B2 B2 B2 B2 OV OV OV B2 B2 OV OV OV OV OV OV OV  
POP 12HR 60 50 70 60 50  
QPF 12HR 0.06-0.30 0.02-0.30 0.13-0.41 0.04-0.16 0.00-0.08  
SNOW 12HR 1-4 1 1-4  
FRZG RAIN C S C C S S S C S  
RAIN S S  
SNOW C L L C C C C L L L L L L L L C C C C C  
OBVIS PF PF BS BS BS BS BS BS BS BS  
WIND CHILL 16 12 9 8 12 19 23 20 16 16 16 18 24 27 27 24 22 19 18 17  
MIN CHILL 0 -3 -1 7 5 6 11 10 8 6  
WINTER WEATH Y Y Y Y Y  
 
DATE 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 34 22 35 19 43 27 43 25 49  
TEMP 31 33 26 23 31 34 24 20 36 42 31 29 38 41 31 28 43 48  
DEWPT 22 21 19 19 19 19 16 13 19 21 19 21 24 24 22 20 24 24  
PWIND DIR N N N NW W W NW N W  
WIND CHAR GN GN GN LT GN GN GN GN GN  
AVG CLOUDS OV B2 B2 B2 B2 B1 SC SC FW FW SC B1 B1 B1 SC SC SC FW  
POP 12HR 40 20 10 5 5 20 30 20 10  
FLURRIES C C C C  
SNOW C S S S S C S  
SPRINKLES C  
 

 
WYZ105-141100-  
SHIRLEY BASIN-  
INCLUDING THE CITIES OF MEDICINE BOW AND SHIRLEY BASIN  
814 PM MDT TUE APR 13 2021  
 
DATE 04/13/21 WED 04/14/21 THU 04/15/21 FRI  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 20 28 32 36 26 35 39 43 23  
TEMP 26 24 22 20 23 29 32 30 27 27 27 28 32 36 37 34 29 26 24 24  
DEWPT 15 17 17 16 18 19 20 22 23 24 23 24 25 24 25 23 24 23 22 21  
RH 62 74 81 84 81 66 61 72 85 88 85 85 75 61 61 64 81 88 92 88  
WIND DIR E E E E E E E E E SE SE SE SE E E NE NE NE N N  
WIND SPD 14 17 18 17 18 17 21 21 20 21 21 17 16 13 13 13 9 6 5 5  
WIND GUST 25 28 33 31 33 33 39 36 35 37 36 28 27 24 25 17  
CLOUDS OV OV OV B2 B2 B2 B2 OV OV OV OV B2 B2 OV OV OV OV OV OV OV  
POP 12HR 60 50 60 70 60  
QPF 12HR 0.07-0.21 0.02-0.09 0.10-0.24 0.04-0.16 0.01-0.09  
SNOW 12HR 2 T 2  
FRZG RAIN S S S S S S S S  
RAIN C  
SNOW C L L C C C C L L C C L L L L L L C C C  
OBVIS BS BS BS BS BS BS BS BS BS  
WIND CHILL 15 10 7 6 9 17 20 17 13 13 13 15 21 27 28 24 21 18 16 17  
MIN CHILL 6 3 4 14 10 10 13 19 13 12  
 
DATE 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 34 18 35 17 43 23 43 21 48  
TEMP 32 32 23 20 31 33 22 19 37 41 28 26 39 40 28 25 44 47  
DEWPT 20 20 19 18 17 17 17 14 18 20 19 20 22 22 22 19 22 23  
PWIND DIR N N N NW W NW NW NW W  
WIND CHAR GN GN GN LT GN GN GN LT GN  
AVG CLOUDS OV OV B2 B2 B2 B1 SC SC SC SC SC B1 B1 B1 SC SC SC SC  
POP 12HR 50 20 10 5 5 20 30 20 10  
FLURRIES C C C C  
SNOW C C S S S S C C S  
 

 
WYZ106-141100-  
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-  
INCLUDING THE CITY OF BORDEAUX  
814 PM MDT TUE APR 13 2021  
 
DATE 04/13/21 WED 04/14/21 THU 04/15/21 FRI  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 18 22 26 29 32 36 25 29 32 32 37 41 21 26 30  
TEMP 31 28 24 22 24 28 32 32 30 29 29 29 32 34 36 33 31 28 27 28  
DEWPT 16 18 19 19 20 21 24 26 27 27 27 27 27 27 27 27 26 26 25 24  
RH 53 66 81 88 84 75 72 78 88 92 92 92 81 75 69 78 81 92 92 85  
WIND DIR NE NE E E E E SE SE SE SE SE E SE E E NE NE NE N N  
WIND SPD 10 13 13 11 13 14 18 18 16 18 19 13 13 14 13 11 9 8 6 9  
WIND GUST 20 28 33 29 29 27 33 31 28 33 33 26 27 25 25  
CLOUDS OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV  
POP 12HR 60 50 50 80 70  
QPF 12HR 0.07-0.19 0.03-0.17 0.11-0.35 0.09-0.28 0.06-0.17  
SNOW 12HR 2 1 2  
FRZG RAIN S S S C S S S S  
RAIN C L  
SNOW C L L C C C C C C C C L L D D L L L L L  
SPRINKLES  
OBVIS PF PF PF BS BS PF BS BS  
WIND CHILL 22 16 12 11 12 17 20 21 18 17 16 18 21 25 27 24 23 20 20 19  
MIN CHILL 8 3 3 12 10 10 13 18 13 13  
WINTER WEATH Y Y Y Y Y Y Y Y Y Y Y Y Y  
 
DATE 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 34 22 35 21 43 28 42 25 48  
TEMP 31 32 26 24 32 34 25 23 38 42 32 31 38 39 31 28 44 47  
DEWPT 24 23 21 20 21 21 18 17 22 24 22 22 25 25 24 21 24 26  
PWIND DIR N N N W NW NW N NW NW  
WIND CHAR GN GN GN GN GN GN GN GN GN  
AVG CLOUDS OV B2 B2 B1 B2 B1 SC SC SC SC SC B1 B1 B1 B1 SC SC SC  
POP 12HR 60 20 20 10 10 20 30 20 10  
FLURRIES C C  
SNOW L C S S S S S C S  
 

 
WYZ107-141100-  
EAST PLATTE COUNTY-  
INCLUDING THE CITIES OF WHEATLAND AND GUERNSEY  
814 PM MDT TUE APR 13 2021  
 
DATE 04/13/21 WED 04/14/21 THU 04/15/21 FRI  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 25 32 36 39 30 34 37 41 25 28 31  
TEMP 34 30 27 25 27 31 35 36 33 32 31 30 32 34 36 34 33 30 30 29  
DEWPT 15 17 19 19 21 21 24 26 28 28 29 29 29 28 28 28 29 28 28 28  
RH 45 58 71 78 78 66 64 67 82 85 92 96 88 78 72 78 85 92 92 96  
WIND DIR NE NE NE NE NE E SE SE SE E SE E SE E E E NE NE N N  
WIND SPD 10 12 11 8 10 11 14 16 14 17 19 14 14 16 13 11 8 6 6 8  
WIND GUST 20 24 21 25 32 33 26 26 27 24 18  
CLOUDS B2 B2 OV OV OV OV B2 OV OV OV OV OV OV OV OV OV OV OV OV OV  
POP 12HR 40 40 50 80 70  
QPF 12HR 0.01-0.11 0.03-0.10 0.11-0.28 0.16-0.35 0.10-0.19  
SNOW 12HR 1 1 1  
FLURRIES C  
FRZG RAIN S S S C S S S S S  
RAIN C  
SNOW S C C C C S S C C C C L L D D L L L L C  
SPRINKLES  
OBVIS PF BS  
WIND CHILL 26 20 17 16 18 22 25 26 23 20 18 20 21 24 27 25 26 23 23 21  
MIN CHILL 13 12 12 19 16 14 17 20 17 16  
 
DATE 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 36 24 38 22 47 29 44 26 50  
TEMP 33 36 29 26 34 37 27 24 41 46 34 32 40 42 32 28 45 50  
DEWPT 27 26 26 24 24 23 22 20 24 25 25 26 26 26 26 23 25 26  
PWIND DIR N NW NW NW NW NW N NW NW  
WIND CHAR GN GN GN GN GN GN GN LT GN  
AVG CLOUDS OV B2 B1 B2 B2 B1 SC SC SC SC SC B1 B1 B1 B1 SC SC FW  
POP 12HR 50 20 20 10 10 20 30 20 10  
FLURRIES C C  
SNOW C C S S S S S C S  
 

 
WYZ108-141100-  
GOSHEN COUNTY-  
INCLUDING THE CITY OF TORRINGTON  
814 PM MDT TUE APR 13 2021  
 
DATE 04/13/21 WED 04/14/21 THU 04/15/21 FRI  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 25 33 38 41 30 31 37 41 24 27 30  
TEMP 35 31 28 25 28 32 37 38 34 33 32 31 32 34 36 33 32 29 29 28  
DEWPT 16 17 19 19 21 22 24 26 28 28 28 28 29 28 28 28 29 28 28 27  
RH 45 56 68 78 75 66 59 62 78 82 85 88 88 78 72 82 88 96 96 96  
WIND DIR NE NE NE NE NE E SE E E E E E E E E E NE NE N N  
WIND SPD 10 11 10 8 10 11 13 16 13 16 16 13 13 16 14 11 9 8 6 6  
WIND GUST 21 26 20 27 32 33 27 27 27 25 18 17 19  
CLOUDS B2 B2 OV OV OV OV B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV  
POP 12HR 30 40 50 80 70  
QPF 12HR 0.00-0.07 0.00-0.09 0.06-0.17 0.14-0.39 0.10-0.23  
SNOW 12HR T T 1  
FLURRIES C C  
FRZG RAIN S C S S S S S  
RAIN C C S D L  
SNOW S C C C C S S C C C C L L D D L L L L C  
SPRINKLES C C  
WIND CHILL 27 22 18 17 19 24 28 29 25 23 21 20 22 23 27 24 24 22 22 21  
MIN CHILL 11 10 12 19 16 13 16 18 16 16  
 
DATE 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 37 24 39 22 48 28 45 24 51  
TEMP 34 36 28 26 34 38 27 24 42 47 34 30 41 43 31 26 46 50  
DEWPT 27 26 26 24 25 23 23 20 24 24 25 25 26 25 25 23 25 25  
PWIND DIR N NW NW NW NW NW N NW NW  
WIND CHAR GN GN GN GN GN GN GN LT GN  
AVG CLOUDS OV B2 B1 B1 B2 B1 SC SC SC SC SC SC B1 B1 SC SC FW FW  
POP 12HR 50 20 20 5 10 20 30 20 10  
FLURRIES C C  
RAIN C C S  
SNOW C C S S S S S C S  
 

 
WYZ109-141100-  
CENTRAL CARBON COUNTY-  
INCLUDING THE CITY OF RAWLINS  
814 PM MDT TUE APR 13 2021  
 
DATE 04/13/21 WED 04/14/21 THU 04/15/21 FRI  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 20 24 27 32 40 47 27 35 40 43 22 25 28  
TEMP 29 26 24 24 27 35 40 36 32 30 29 29 33 38 40 37 32 29 27 26  
DEWPT 18 19 20 19 21 24 25 25 26 25 24 25 26 25 24 23 23 23 22 21  
RH 63 74 84 81 78 64 55 64 78 81 81 85 75 59 52 56 69 78 81 81  
WIND DIR NE NE NE E E NE E E E E E SE N N N N NE NE NE N  
WIND SPD 19 20 19 18 17 18 21 20 18 17 13 9 9 11 14 16 13 12 10 10  
WIND GUST 36 39 37 33 32 36 43 47 40 39 36 28 23 25 27 28 29 26 24  
CLOUDS OV OV OV B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 OV B2 OV OV OV B2  
POP 12HR 60 50 60 50 30  
QPF 12HR 0.08-0.43 0.04-0.25 0.06-0.36 0.02-0.14 0.00-0.06  
SNOW 12HR 1-5 T 0-3  
FRZG RAIN S S S C S S S S  
RAIN S S C S  
SNOW C L L C C C C L L C C C C C C C C C C C  
OBVIS BS BS BS BS BS  
WIND CHILL 16 13 10 10 15 25 31 26 20 19 18 20 26 30 31 28 22 19 17 16  
MIN CHILL 8 4 4 14 10 10 15 21 12 10  
WINTER WEATH Y Y Y Y Y  
 
DATE 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 37 21 38 19 46 26 47 26 52  
TEMP 33 35 25 22 33 36 25 20 39 45 31 28 41 44 31 28 47 51  
DEWPT 21 19 19 18 18 16 16 14 18 17 19 20 23 22 22 21 24 21  
PWIND DIR NE NE N N W W NW N W  
WIND CHAR GN GN GN GN GN GN GN GN GN  
AVG CLOUDS B2 B2 B1 B1 B1 B1 SC SC FW FW FW SC B1 B1 SC SC SC SC  
POP 12HR 30 5 10 5 5 10 20 10 10  
FLURRIES C C C C  
RAIN S  
SNOW C S S S S S  
SPRINKLES C C  
 

 
WYZ110-141100-  
NORTH SNOWY RANGE FOOTHILLS-  
INCLUDING THE CITIES OF ARLINGTON AND ELK MOUNTAIN  
814 PM MDT TUE APR 13 2021  
 
DATE 04/13/21 WED 04/14/21 THU 04/15/21 FRI  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 19 22 25 31 36 42 27 35 40 43 24  
TEMP 27 25 23 22 25 33 36 33 29 29 28 28 35 39 38 35 32 28 27 26  
DEWPT 18 19 18 18 20 22 23 24 24 23 23 23 25 25 26 24 23 23 22 21  
RH 68 78 81 84 81 63 59 69 81 78 81 81 66 57 62 64 69 81 81 81  
WIND DIR E E E SE SE E SE E E SE SE SE SE E NE NE NE NE NE NE  
WIND SPD 16 20 21 20 20 27 31 31 27 21 19 14 13 12 13 13 11 10 9 10  
WIND GUST 29 33 34 34 36 44 48 49 44 37 34 27 25 24 24 24 20 20  
CLOUDS OV OV OV B2 B1 B1 B1 B2 B2 B2 B2 B1 B2 B2 OV OV OV OV OV OV  
POP 12HR 70 40 60 80 60  
QPF 12HR 0.15-0.36 0.02-0.12 0.07-0.17 0.03-0.18 0.01-0.10  
SNOW 12HR 2-5 T 1  
FRZG RAIN C S S S  
SNOW C L L C C C C C C C C L L D D L L C C C  
OBVIS BS BS PF BS BS BS BS BS  
WIND CHILL 14 11 8 6 11 21 24 20 16 15 16 17 26 31 30 26 23 19 18 16  
MIN CHILL 4 2 4 17 11 11 15 23 14 11  
WINTER WEATH Y Y Y Y Y Y Y Y Y Y Y  
 
DATE 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 33 21 35 19 42 26 43 24 48  
TEMP 30 32 25 23 30 32 24 21 36 40 31 29 38 40 31 28 43 47  
DEWPT 20 19 18 17 16 15 15 13 16 17 18 19 21 21 21 20 22 21  
PWIND DIR NE N N NW W W NW W W  
WIND CHAR GN GN GN GN GN GN GN GN GN  
AVG CLOUDS OV B2 B1 B2 B2 B1 SC SC SC FW SC SC B1 B1 SC SC SC SC  
POP 12HR 50 20 20 10 5 20 30 20 10  
FLURRIES C C C C  
SNOW C C S S S S S C S  
 

 
WYZ111-141100-  
SOUTHWEST CARBON COUNTY-  
INCLUDING THE CITY OF BAGGS  
814 PM MDT TUE APR 13 2021  
 
DATE 04/13/21 WED 04/14/21 THU 04/15/21 FRI  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 23 29 32 43 51 58 24 27 32 37 44 49 21 25 28  
TEMP 33 30 29 29 34 45 51 45 38 35 33 29 32 40 44 41 33 29 28 25  
DEWPT 22 24 24 25 28 29 29 29 30 28 28 26 25 24 23 22 22 22 22 21  
RH 63 78 81 85 78 53 42 53 73 75 82 88 75 52 43 46 63 75 78 84  
WIND DIR NE NE NE NE NE NE NE NE NE NE NE NW NW NW N N N N N N  
WIND SPD 21 19 16 12 11 12 14 14 12 9 6 8 9 12 16 18 16 16 13 13  
WIND GUST 39 40 39 32 32 36 39 36 28 24 17 19 20 23 26 31 31 29 28  
CLOUDS OV OV OV B2 B2 SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 70 60 60 50 30  
QPF 12HR 0.16-0.30 0.06-0.20 0.04-0.14 0.00-0.09 0  
SNOW 12HR 2 00-00 T  
FRZG RAIN C S S  
RAIN C L L L L C C C  
SNOW L L L C C L L L C C C C C C C C S S S  
TSTMS S S S S  
OBVIS PF  
WIND CHILL 21 18 17 19 26 37 30 28 27 21 24 33 36 32 22 17 16 14  
MIN CHILL 9 6 8 26 20 13 13 23 12 9  
 
DATE 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 41 22 42 20 50 26 53 27 57  
TEMP 36 38 26 22 37 39 25 20 41 48 31 27 45 49 33 28 50 55  
DEWPT 21 18 19 18 16 14 16 15 17 14 19 19 22 20 23 22 24 20  
PWIND DIR NE NE NE N NW N NW NE W  
WIND CHAR BZ GN BZ GN GN GN GN GN GN  
AVG CLOUDS B2 B1 SC SC B1 SC FW FW FW FW FW SC SC SC SC SC FW SC  
POP 12HR 20 5 10 5 5 5 20 10 10  
FLURRIES C  
RAIN S  
SNOW S S S S S  
SPRINKLES C C  
 

 
WYZ112-141100-  
SIERRA MADRE RANGE-  
814 PM MDT TUE APR 13 2021  
 
DATE 04/13/21 WED 04/14/21 THU 04/15/21 FRI  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 20 26 32 34 46 55 24 29 32 29 40 48 15 22 28  
TEMP 28 26 26 28 34 44 46 41 35 33 32 30 33 39 39 37 31 27 26 25  
DEWPT 21 21 21 22 26 26 27 28 28 25 25 24 24 23 23 22 21 19 19 19  
RH 75 81 81 78 72 49 47 59 75 72 75 78 69 52 52 54 66 71 74 78  
WIND DIR E E E E SE SE S SE E SE SE S SW W NW N N N NE N  
WIND SPD 12 13 11 10 8 8 10 9 9 10 8 8 8 10 11 12 10 11 10 10  
WIND GUST 32 29 27 20 19 23 20 18 23 20 26 25 27 23 23  
CLOUDS OV OV OV B2 B1 SC B1 B1 B2 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 OV  
POP 12HR 80 60 60 70 50  
QPF 12HR 0.19-0.44 0.10-0.29 0.06-0.18 0.05-0.26 0.01-0.13  
SNOW 12HR 1-5 T T  
FRZG RAIN C S C S S  
RAIN L L L L C  
SNOW L D D C C L L L L C C C C L L C C C C C  
TSTMS S S S S  
WIND CHILL 18 15 15 18 27 34 27 25 25 23 26 33 32 29 22 17 16 15  
MIN CHILL 6 6 10 22 15 13 13 17 8 3  
WINTER WEATH Y Y Y Y Y  
 
DATE 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 35 19 35 17 42 23 45 24 49  
TEMP 33 32 23 21 32 32 22 20 37 40 27 27 41 41 29 27 45 46  
DEWPT 18 16 14 14 13 13 12 10 13 13 13 15 19 19 18 18 20 19  
PWIND DIR NE NE NE NE NW W W N W  
WIND CHAR GN GN GN GN GN GN GN GN GN  
AVG CLOUDS OV B2 B1 B1 B1 B1 SC FW FW FW FW SC SC B1 SC SC SC SC  
POP 12HR 40 10 20 10 10 10 30 20 10  
FLURRIES C C  
RAIN C S  
SNOW C C S S S S C S S  
 

 
WYZ113-141100-  
UPPER NORTH PLATTE RIVER BASIN-  
INCLUDING THE CITIES OF SARATOGA AND ENCAMPMENT  
814 PM MDT TUE APR 13 2021  
 
DATE 04/13/21 WED 04/14/21 THU 04/15/21 FRI  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 26 40 47 49 25 29 31 39 43 45 21 25 28  
TEMP 30 28 27 26 32 42 46 40 34 32 31 30 37 42 41 38 32 29 28 27  
DEWPT 20 21 20 20 23 26 27 28 26 25 25 26 27 26 26 24 24 23 23 22  
RH 66 75 74 78 69 53 47 62 72 75 78 85 67 53 55 57 72 78 81 81  
WIND DIR E E E E E E SE E E E SE SE SW NW NW N N N N N  
WIND SPD 10 12 11 10 9 9 11 12 10 12 10 6 5 10 12 11 9 8 8 9  
WIND GUST 24 27 26 23 21 28 40 41 36 25 23 20 19 19 20  
CLOUDS OV OV OV B1 B1 SC B1 B2 B2 B1 B1 B1 B1 B2 OV B2 OV OV OV OV  
POP 12HR 70 40 50 60 40  
QPF 12HR 0.13-0.28 0.07-0.18 0.05-0.17 0.02-0.20 0.00-0.10  
SNOW 12HR 2 T T  
FRZG RAIN S  
RAIN C C C  
SNOW C L L C C C C C C C C C C L L C C C C C  
TSTMS S S  
WIND CHILL 21 17 16 16 23 32 26 23 23 23 36 34 31 24 21 20 18  
MIN CHILL 12 10 13 25 18 19 22 25 17 13  
 
DATE 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 37 20 37 18 45 25 47 25 51  
TEMP 33 35 25 23 33 35 25 21 39 43 30 28 42 44 31 28 47 50  
DEWPT 20 18 18 18 16 15 16 14 15 16 18 19 21 21 22 21 22 20  
PWIND DIR NE NE N N NW W NW W W  
WIND CHAR GN GN GN LT GN LT GN LT GN  
AVG CLOUDS OV B2 B1 B1 B1 B1 SC SC FW FW FW SC SC B1 SC SC SC SC  
POP 12HR 30 5 10 5 5 10 20 20 10  
FLURRIES C C  
RAIN S  
SNOW C S S S S S  
SPRINKLES C C  
 

 
WYZ114-141100-  
SNOWY RANGE-  
INCLUDING THE CITIES OF CENTENNIAL AND ALBANY  
814 PM MDT TUE APR 13 2021  
 
DATE 04/13/21 WED 04/14/21 THU 04/15/21 FRI  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 14 20 27 26 37 47 18 24 31 27 38 44 10 19 27  
TEMP 23 21 20 20 25 35 37 32 28 27 26 27 33 37 36 32 28 24 23 21  
DEWPT 17 17 15 15 19 22 23 22 21 21 20 20 22 22 23 22 20 19 17 16  
RH 77 84 81 81 78 59 56 66 75 78 78 74 63 54 59 66 71 81 77 81  
WIND DIR E E E SE SE SE SE E E SE SE SE S SW N NE NE NE NE NE  
WIND SPD 12 17 16 12 11 14 18 18 16 13 11 9 8 9 10 9 9 9 9 9  
WIND GUST 28 34 34 31 31 41 44 48 41 33 28 27 23 21 21 24 27 26 24 21  
CLOUDS OV OV OV B2 B1 SC B1 B2 B2 B2 B1 B1 B1 B2 OV OV OV OV OV OV  
POP 12HR 80 50 60 80 60  
QPF 12HR 0.15-0.51 0.05-0.23 0.08-0.29 0.05-0.26 0.03-0.18  
SNOW 12HR 2-7 1 2  
FRZG RAIN S S S S S S S  
RAIN C  
SNOW L D D C C C C L L C C L L D D L L C C L  
TSTMS S S  
OBVIS PF PF PF PF  
WIND CHILL 11 7 6 8 14 26 27 21 17 16 16 18 26 31 28 25 19 15 13 12  
MIN CHILL -4 -4 1 10 6 7 8 12 4 -3  
WINTER STORM W W W W W W W W W W W W W W W W W W W W  
 
DATE 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 30 15 30 13 38 20 39 20 44  
TEMP 28 27 19 18 27 27 18 16 33 35 24 23 35 34 25 24 40 41  
DEWPT 17 16 13 12 13 13 10 7 13 14 13 14 19 19 17 16 19 19  
PWIND DIR NE NE N NW NW W W W W  
WIND CHAR GN GN GN GN GN GN GN GN GN  
AVG CLOUDS OV B2 B2 B2 B2 B1 SC SC SC FW FW SC B1 B1 B1 SC SC SC  
POP 12HR 60 20 30 10 10 10 40 20 20  
FLURRIES C C  
SNOW L C S S C S S C S S  
 

 
WYZ115-141100-  
LARAMIE VALLEY-  
INCLUDING THE CITIES OF LARAMIE AND BOSLER  
814 PM MDT TUE APR 13 2021  
 
DATE 04/13/21 WED 04/14/21 THU 04/15/21 FRI  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 21 31 36 41 26 36 42 46 23  
TEMP 27 25 23 21 24 32 36 34 30 28 27 27 33 38 38 34 30 27 26 25  
DEWPT 18 19 19 17 19 20 22 24 24 23 23 23 25 24 25 24 23 22 21 21  
RH 68 78 84 84 81 61 56 66 78 81 85 85 72 57 59 66 75 81 81 84  
WIND DIR E E E SE SE SE SE SE SE SE SE SE SE SE E E NE NE NE N  
WIND SPD 13 18 19 17 18 19 23 20 18 19 18 11 12 13 13 11 9 8 6 6  
WIND GUST 32 34 31 33 41 47 43 39 34 33 25 24 24  
CLOUDS OV OV OV B2 B2 B1 B1 B2 OV OV B2 B2 B2 B2 OV OV OV OV OV OV  
POP 12HR 70 40 50 80 70  
QPF 12HR 0.10-0.38 0.02-0.11 0.05-0.16 0.06-0.19 0.06-0.17  
SNOW 12HR 1-5 T 1  
FRZG RAIN S S S S C S S S  
RAIN S S  
SNOW C L L C C C C C C C C L L D D L L C C L  
TSTMS S S  
OBVIS PF PF BS BS BS BS BS BS BS  
WIND CHILL 15 11 8 7 10 21 25 22 18 15 15 16 23 30 30 25 22 19 18 17  
MIN CHILL 8 2 2 15 10 10 14 21 14 11  
 
DATE 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 34 19 35 16 43 23 44 22 48  
TEMP 31 31 23 21 30 31 22 18 37 40 28 27 39 39 28 26 44 45  
DEWPT 20 19 17 16 16 17 14 11 16 18 17 17 21 21 21 19 22 22  
PWIND DIR NE N N NW NW W NW W W  
WIND CHAR GN GN GN GN GN GN GN LT GN  
AVG CLOUDS OV B2 B2 B1 B2 B1 SC SC SC SC FW SC B1 B1 B1 SC SC SC  
POP 12HR 60 20 20 10 10 10 30 20 10  
FLURRIES C C  
SNOW L C S S S S S C S  
 

 
WYZ116-141100-  
SOUTH LARAMIE RANGE-  
INCLUDING THE CITIES OF BUFORD, PUMPKIN VINE, AND VEDAUWOO  
814 PM MDT TUE APR 13 2021  
 
DATE 04/13/21 WED 04/14/21 THU 04/15/21 FRI  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 20 28 32 36 25 31 34 41 22  
TEMP 26 24 22 21 21 27 31 31 28 26 26 26 28 31 33 31 28 25 25 24  
DEWPT 18 19 18 17 19 20 21 24 24 23 23 23 24 24 24 23 23 22 21 20  
RH 71 81 84 84 92 74 66 75 85 88 88 88 85 75 69 72 81 88 84 84  
WIND DIR E E E SE SE SE SE SE SE SE SE SE SE SE E E NE NE N N  
WIND SPD 13 18 18 17 18 19 23 20 19 21 20 16 14 14 13 11 11 10 9 10  
WIND GUST 24 32 34 29 31 32 39 33 35 37 36 27 25 24  
CLOUDS OV OV OV OV OV B2 B2 OV OV OV B2 OV OV OV OV OV OV OV OV OV  
POP 12HR 80 60 60 90 80  
QPF 12HR 0.17-0.35 0.06-0.16 0.10-0.30 0.10-0.19 0.11-0.34  
SNOW 12HR 3 1 2  
FRZG RAIN C S S S C C C C C S  
RAIN S C  
SNOW L D D L L C C L L C C L L D D D D L L L  
OBVIS BS PF PF PF BS BS BS PF BS BS  
WIND CHILL 14 10 8 7 7 14 18 19 15 12 12 14 17 21 23 21 19 15 15 13  
MIN CHILL 5 1 1 10 8 8 10 16 11 9  
WINTER STORM W W W W W W W W W W W W W W W W W W W W  
 
DATE 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 29 18 30 16 38 24 39 22 43  
TEMP 27 27 22 20 26 27 20 19 33 36 27 27 34 34 28 26 40 41  
DEWPT 20 19 17 15 17 17 14 12 17 18 16 17 21 20 20 18 22 22  
PWIND DIR N N N NW NW NW NW W W  
WIND CHAR GN GN GN GN GN GN BZ GN GN  
AVG CLOUDS OV B2 B2 B1 B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 SC SC  
POP 12HR 60 20 30 10 10 10 40 30 10  
FLURRIES C  
SNOW L C S S C S S S C C S S  
 

 
WYZ117-141100-  
SOUTH LARAMIE RANGE FOOTHILLS-  
INCLUDING THE CITIES OF WHITAKER, FEDERAL, AND HORSE CREEK  
814 PM MDT TUE APR 13 2021  
 
DATE 04/13/21 WED 04/14/21 THU 04/15/21 FRI  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 22 30 34 37 28 36 23  
TEMP 29 27 24 22 23 28 33 33 30 29 28 28 31 33 35 32 30 26 25 25  
DEWPT 19 21 20 20 21 21 23 26 27 25 26 26 26 26 26 26 26 25 23 22  
RH 66 78 84 92 92 75 66 75 88 85 92 92 81 75 69 78 85 96 92 88  
WIND DIR E E E E E SE SE SE SE SE SE SE SE SE E NE NE NE N N  
WIND SPD 10 12 13 11 13 16 18 17 14 17 16 13 12 14 12 11 9 9 9 9  
WIND GUST 24 28 27 28 28 24 23 19 19  
CLOUDS OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV  
POP 12HR 70 50 50 80 80  
QPF 12HR 0.12-0.27 0.07-0.15 0.14-0.31 0.11-0.17 0.14-0.21  
SNOW 12HR 2 1 2  
FRZG RAIN S S S C S C S S C  
RAIN S C  
SNOW C L L C C C C C C C C L L D D D D L L L  
OBVIS PF PF PF BS PF  
WIND CHILL 21 16 13 11 11 17 22 22 19 17 16 17 20 23 26 23 21 17 16 16  
MIN CHILL 13 8 8 16 13 13 15 19 14 11  
WINTER WEATH Y Y Y Y Y Y Y Y Y Y Y Y Y  
 
DATE 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 32 18 33 17 42 24 42 22 46  
TEMP 30 30 24 22 30 31 22 21 36 39 29 29 37 38 29 27 43 44  
DEWPT 22 21 20 18 19 19 17 15 20 22 20 20 23 22 23 20 23 25  
PWIND DIR N N N NW NW NW N NW NW  
WIND CHAR GN GN GN GN GN GN BZ GN GN  
AVG CLOUDS OV B2 B2 B1 B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 SC SC  
POP 12HR 60 20 30 10 10 10 40 30 10  
FLURRIES C  
SNOW L C S S S S S S C C S  
 

 
WYZ118-141100-  
CENTRAL LARAMIE COUNTY-  
INCLUDING THE CITY OF CHEYENNE  
814 PM MDT TUE APR 13 2021  
 
DATE 04/13/21 WED 04/14/21 THU 04/15/21 FRI  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 24 31 35 38 29 36 24  
TEMP 32 30 26 24 25 30 34 34 31 30 29 29 31 33 35 32 30 27 27 26  
DEWPT 19 20 21 21 22 22 24 26 28 27 27 27 27 27 26 26 27 27 26 25  
RH 58 66 81 88 88 72 66 72 88 88 92 92 85 78 69 78 88100 96 96  
WIND DIR NE E E E E SE SE SE SE SE SE SE SE SE E E NE NE N N  
WIND SPD 9 11 12 10 12 14 16 17 14 14 14 14 14 16 13 12 10 10 10 10  
WIND GUST 25 25 24  
CLOUDS OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV  
POP 12HR 60 50 50 80 80  
QPF 12HR 0.05-0.16 0.05-0.11 0.10-0.23 0.12-0.18 0.17-0.24  
SNOW 12HR 1 1 1  
FRZG RAIN S S S S C S S S S C  
RAIN S C  
SNOW C L L C C C C C C C C L L D D D D L L L  
SPRINKLES  
OBVIS PF PF PF  
WIND CHILL 24 20 15 13 13 19 24 23 21 19 18 18 20 22 26 22 21 17 17 16  
MIN CHILL 17 10 10 17 16 16 16 20 15 12  
 
DATE 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 33 20 35 19 43 26 43 22 47  
TEMP 31 31 25 23 31 33 23 22 39 41 30 29 39 39 29 26 44 46  
DEWPT 24 23 23 21 21 21 20 18 22 22 22 22 24 23 25 22 24 24  
PWIND DIR N N N NW NW NW N NW NW  
WIND CHAR BZ GN BZ GN GN GN BZ GN GN  
AVG CLOUDS OV B2 B2 B1 B2 B1 SC SC SC FW SC SC B1 B1 B1 SC SC SC  
POP 12HR 60 20 20 10 10 10 30 20 10  
FLURRIES C  
SNOW L C S S S S C S S  
 

 
WYZ119-141100-  
EAST LARAMIE COUNTY-  
INCLUDING THE CITY OF PINE BLUFFS  
814 PM MDT TUE APR 13 2021  
 
DATE 04/13/21 WED 04/14/21 THU 04/15/21 FRI  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 24 37 29 33 36 40 25  
TEMP 34 31 27 24 26 31 36 36 33 31 30 30 31 33 36 32 30 27 27 26  
DEWPT 18 19 20 21 22 22 24 26 28 27 27 28 28 27 26 26 27 27 27 26  
RH 51 61 74 88 85 69 61 67 82 85 88 92 88 78 67 78 88100100100  
WIND DIR NE NE E E E E SE SE SE SE SE SE SE SE E E NE NE N N  
WIND SPD 9 11 10 10 11 13 16 16 13 14 14 14 16 17 16 12 10 10 10 10  
WIND GUST 21 24 25 25 26  
CLOUDS B2 OV OV OV OV OV B2 OV B2 OV OV OV OV OV OV OV OV OV OV OV  
POP 12HR 50 50 50 80 80  
QPF 12HR 0.02-0.08 0.02-0.08 0.08-0.17 0.15-0.30 0.21-0.28  
SNOW 12HR T T 1  
FRZG RAIN S S S S C C  
RAIN S C  
SNOW C C C C C S S C C C C L L D D D D L L L  
SPRINKLES  
OBVIS PF PF  
WIND CHILL 26 22 18 14 15 21 26 26 23 20 19 18 19 22 26 22 21 18 17 16  
MIN CHILL 20 12 12 20 18 17 16 19 14 12  
 
DATE 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 34 21 36 20 45 26 44 23 48  
TEMP 32 33 25 24 33 34 25 22 40 43 31 29 40 40 29 26 45 48  
DEWPT 25 24 24 22 22 21 21 20 22 22 23 23 25 23 25 23 24 23  
PWIND DIR N N N NW NW NW N NW NW  
WIND CHAR GN GN BZ GN GN GN BZ GN GN  
AVG CLOUDS OV B2 B2 B1 B2 B1 SC SC SC FW FW SC B1 B1 B1 SC SC FW  
POP 12HR 60 20 20 10 10 10 30 20 10  
FLURRIES C  
SNOW L C S S S S C S S  
 

 
 
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