504  
FOUS55 KCYS 211058  
AFMCYS  
 
AREA FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHEYENNE WY  
458 AM MDT SAT APR 21 2018  
 
NEZ002-212300-  
DAWES-  
INCLUDING THE CITIES OF CHADRON AND CHADRON ST PARK  
458 AM MDT SAT APR 21 2018  
 
DATE SAT 04/21/18 SUN 04/22/18 MON 04/23/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 47 51 54 28 32 34 60 63 66 32 36 39 61 66 69  
TEMP 33 37 46 50 49 41 37 34 32 43 58 63 61 50 43 39 36 47 62 65 58  
DEWPT 33 34 35 35 34 34 34 32 31 34 37 37 37 37 37 36 35 37 40 40 39  
RH 100 89 65 56 56 76 89 92 96 70 45 38 41 61 79 89 96 68 44 40 49  
WIND DIR SE SE S S SE S S S SW SW W E E SE S S S S SE S S  
WIND SPD 6 6 8 9 9 9 9 8 6 5 5 5 6 8 9 8 6 11 14 14 13  
CLOUDS OV OV OV B2 B1 SC SC SC SC FW FW FW FW FW FW FW FW FW B1 B1 OV  
POP 12HR 40 0 0 0 30  
QPF 12HR 0.01 0 0 0 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN C C S S L  
RAIN SHWRS C C  
SNOW C  
OBVIS PF  
WIND CHILL 27 35 30 28 26 30  
MIN CHILL 20 20 38 24 21 23 32 25 27  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18 FRI 04/27/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 33 49 29 62 35 57 32 63  
TEMP 39 33 45 47 34 31 55 61 44 36 53 55 40 34 58 62  
DEWPT 34 31 29 28 28 26 30 31 30 30 30 30 28 27 31 32  
PWIND DIR NW N NW SW NW N W SW  
WIND CHAR BZ BZ LT GN GN GN GN GN  
AVG CLOUDS OV OV B2 B1 SC FW CL FW FW SC SC SC FW CL CL CL  
POP 12HR 70 30 5 0 10 5 0 0  
RAIN L C  
RAIN SHWRS C  
SNOW C  
SNOWSHWRS S  
 

 
NEZ003-212300-  
BOX BUTTE-  
INCLUDING THE CITY OF ALLIANCE  
458 AM MDT SAT APR 21 2018  
 
DATE SAT 04/21/18 SUN 04/22/18 MON 04/23/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 48 30 62 34 66  
TEMP 31 36 42 47 46 39 34 32 31 39 54 61 59 47 41 37 34 46 60 66 57  
DEWPT 31 33 34 34 33 33 33 31 30 34 37 37 36 36 36 35 34 36 39 39 39  
RH 100 89 73 60 60 79 96 96 96 82 52 41 42 65 82 92100 68 46 37 51  
WIND DIR SE SE S SE SE S S S S S SW S SE SE S S S S SE S S  
WIND SPD 8 6 6 8 8 9 8 6 5 4 4 5 6 8 8 6 6 11 16 16 14  
CLOUDS OV OV OV B2 B2 B1 SC SC SC SC FW FW FW FW FW FW SC FW SC B1 OV  
POP 12HR 50 5 0 0 20  
QPF 12HR 0.01 0 0 0 0  
SNOW 12HR T 00-00 00-00  
RAIN C S S L  
RAIN SHWRS C C  
SNOW C C  
OBVIS PF  
WIND CHILL 24 30 33 27 25 25 35 31  
MIN CHILL 21 21 38 24 21 24 32 25 28  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18 FRI 04/27/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 32 47 28 62 35 56 31 64  
TEMP 40 32 44 46 34 30 54 61 44 36 52 53 39 33 58 62  
DEWPT 35 30 28 28 27 26 28 30 29 29 28 28 28 27 30 30  
PWIND DIR NW N NW SW NW N E SW  
WIND CHAR BZ BZ GN GN GN BZ GN GN  
AVG CLOUDS OV OV B2 B1 SC FW CL FW FW SC SC SC FW CL CL FW  
POP 12HR 70 20 10 0 5 5 0 0  
RAIN L C  
RAIN SHWRS S  
SNOW C  
SNOWSHWRS S  
 

 
NEZ019-212300-  
SCOTTS BLUFF-  
INCLUDING THE CITIES OF SCOTTSBLUFF AND GERING  
458 AM MDT SAT APR 21 2018  
 
DATE SAT 04/21/18 SUN 04/22/18 MON 04/23/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 47 51 53 30 60 63 66 35 67  
TEMP 32 35 44 50 49 40 36 32 30 38 54 63 61 49 42 38 35 46 61 67 58  
DEWPT 32 34 35 35 35 35 34 32 30 34 38 38 37 37 37 36 35 37 40 41 40  
RH 100 96 70 56 58 82 92100100 85 54 39 41 63 82 92100 71 46 39 51  
WIND DIR E SE SE SE SE SE SE SE SE SW NW SE SE SE SE SE SE SE SE E N  
WIND SPD 6 5 5 8 9 9 8 5 3 3 4 6 8 8 8 6 6 10 14 14 13  
CLOUDS OV OV B2 B2 B1 SC SC SC SC SC FW FW FW FW FW FW SC FW B1 B1 B2  
POP 12HR 50 0 0 0 30  
QPF 12HR 0.01 0 0 0 0.01  
SNOW 12HR T 00-00 00-00  
RAIN C C L  
RAIN SHWRS C C  
SNOW C C  
OBVIS PF  
WIND CHILL 26 30 29  
MIN CHILL 21 22 39 25 23 25 33 27 29  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18 FRI 04/27/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 33 49 30 65 36 58 33 67  
TEMP 40 33 44 48 36 32 56 64 45 37 54 56 41 35 60 65  
DEWPT 34 31 30 29 29 27 30 31 30 30 30 30 30 28 31 31  
PWIND DIR N N N SW NW N N SW  
WIND CHAR BZ BZ GN LT GN BZ GN GN  
AVG CLOUDS OV OV B2 B1 SC FW CL FW FW SC SC FW FW CL CL FW  
POP 12HR 60 10 0 0 5 0 0 0  
RAIN L C  
SNOW C  
 

 
NEZ020-212300-  
BANNER-  
INCLUDING THE CITY OF HARRISBURG  
458 AM MDT SAT APR 21 2018  
 
DATE SAT 04/21/18 SUN 04/22/18 MON 04/23/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 47 29 61 34 65  
TEMP 30 33 41 46 46 38 34 31 30 40 55 61 59 46 40 37 34 46 62 65 57  
DEWPT 30 33 34 35 34 34 33 31 30 33 37 37 36 36 36 34 33 36 39 40 39  
RH 100100 76 65 63 85 96100100 76 51 41 42 68 85 89 96 68 43 40 51  
WIND DIR E SE SE SE SE SE S S SW W N NE SE SE S S S S SE SE E  
WIND SPD 6 5 5 6 8 9 8 6 5 4 4 5 8 9 9 8 8 11 14 14 13  
WIND GUST 18 19  
CLOUDS OV OV OV B2 B2 B1 SC SC SC FW FW FW CL FW FW FW SC FW B1 B1 B2  
POP 12HR 60 0 0 0 30  
QPF 12HR 0.02 0 0 0 0.01  
SNOW 12HR T 00-00 00-00  
RAIN L S S L  
RAIN SHWRS C C  
SNOW L L  
OBVIS PF  
WIND CHILL 23 31 26 25 24 33 31 27  
MIN CHILL 21 21 37 23 20 23 28 24 26  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18 FRI 04/27/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 31 46 28 63 34 56 32 64  
TEMP 38 31 41 46 34 30 54 62 44 35 52 54 39 34 58 62  
DEWPT 32 30 29 28 28 26 29 29 29 29 29 29 28 27 30 30  
PWIND DIR N N N SW W N NE SW  
WIND CHAR BZ BZ GN LT GN BZ GN GN  
AVG CLOUDS OV OV B2 B1 SC FW CL FW FW SC SC FW FW CL CL FW  
POP 12HR 60 10 0 0 5 0 0 0  
RAIN L C  
SNOW C  
 

 
NEZ021-212300-  
MORRILL-  
INCLUDING THE CITIES OF ANGORA, BRIDGEPORT, BAYARD, AND REDINGTON  
458 AM MDT SAT APR 21 2018  
 
DATE SAT 04/21/18 SUN 04/22/18 MON 04/23/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 45 48 51 31 61 35 67  
TEMP 33 37 43 48 48 40 36 33 32 40 53 61 60 48 41 37 35 46 60 67 61  
DEWPT 32 35 35 35 35 35 34 32 31 34 38 38 37 37 37 35 35 38 40 41 40  
RH 96 92 73 60 60 82 92 96 96 79 57 42 42 65 85 92100 73 47 39 46  
WIND DIR E SE SE SE SE SE S S S S S S SE SE S SE SE SE SE SE SE  
WIND SPD 9 8 8 8 8 8 8 6 6 5 4 5 8 9 9 8 8 11 14 16 13  
CLOUDS OV OV OV B2 B2 B1 B1 SC SC SC FW FW FW FW FW FW FW FW SC B1 OV  
POP 12HR 60 5 0 0 20  
QPF 12HR 0.02 0 0 0 0  
SNOW 12HR T 00-00 00-00  
RAIN L L S S L  
RAIN SHWRS S S  
SNOW L  
OBVIS PF  
WIND CHILL 25 31 30 26 25 35 31 29  
MIN CHILL 21 22 36 26 21 23 32 24 27  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18 FRI 04/27/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 34 48 30 63 35 57 32 66  
TEMP 43 34 44 47 36 32 55 62 45 36 54 55 40 34 59 64  
DEWPT 36 33 30 29 29 28 30 31 30 31 30 30 29 29 31 31  
PWIND DIR N N NW SW W N N SW  
WIND CHAR BZ BZ GN GN GN BZ GN GN  
AVG CLOUDS OV OV B2 B1 SC FW FW FW FW SC SC SC FW CL CL FW  
POP 12HR 70 20 10 0 5 0 0 0  
RAIN L C  
RAIN SHWRS S  
SNOW C  
SNOWSHWRS S  
 

 
NEZ054-212300-  
KIMBALL-  
INCLUDING THE CITY OF KIMBALL  
458 AM MDT SAT APR 21 2018  
 
DATE SAT 04/21/18 SUN 04/22/18 MON 04/23/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 46 28 60 32 65  
TEMP 29 32 40 44 45 36 33 30 29 39 55 60 58 44 38 35 33 46 62 65 58  
DEWPT 29 32 34 34 34 33 32 30 29 32 35 36 35 35 35 34 32 35 37 38 39  
RH 100100 79 68 65 89 96100100 76 47 41 42 70 89 96 96 65 39 37 49  
WIND DIR E E E SE SE SE S S SW NW NE E SE SE S S S S SE SE SE  
WIND SPD 8 5 5 6 8 9 9 8 5 5 5 6 9 10 10 8 8 11 14 16 14  
CLOUDS OV OV OV B2 B2 B1 SC SC SC SC FW FW CL FW FW SC SC FW SC B1 B2  
POP 12HR 60 0 0 0 30  
QPF 12HR 0.02-0.07 0 0 0 0  
SNOW 12HR T 00-00 00-00  
RAIN L S S C  
RAIN SHWRS C C  
SNOW L L  
OBVIS PF  
WIND CHILL 21 30 25 23 22 31 28 26  
MIN CHILL 19 20 35 22 19 22 29 24 26  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18 FRI 04/27/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 30 46 27 62 34 56 31 64  
TEMP 37 30 41 45 33 29 53 61 43 35 52 54 39 33 58 62  
DEWPT 32 29 28 27 27 25 28 29 28 28 28 28 28 27 28 29  
PWIND DIR N N N SW W N N SW  
WIND CHAR BZ BZ GN GN GN BZ GN GN  
AVG CLOUDS OV OV B1 B1 SC FW CL FW FW SC SC FW FW CL CL FW  
POP 12HR 50 10 0 0 5 0 0 0  
RAIN C C  
SNOW C  
 

 
NEZ055-212300-  
CHEYENNE-  
INCLUDING THE CITIES OF BROWNSON AND SIDNEY  
458 AM MDT SAT APR 21 2018  
 
DATE SAT 04/21/18 SUN 04/22/18 MON 04/23/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 46 29 60 33 65  
TEMP 30 34 40 44 46 38 34 31 30 38 52 58 58 44 39 35 33 44 59 65 61  
DEWPT 30 34 36 36 35 35 34 30 30 34 37 38 37 36 36 34 33 37 40 41 40  
RH 100100 85 73 65 89100 96100 85 56 47 45 73 89 96100 76 49 41 46  
WIND DIR E E E SE SE SE S S S S S SE SE SE S S S S SE SE SE  
WIND SPD 8 6 6 6 8 8 8 6 6 5 5 6 8 9 10 8 8 11 16 16 14  
CLOUDS OV OV OV B2 B2 B1 B1 SC SC SC FW FW FW FW FW FW FW FW SC SC B2  
POP 12HR 60 5 0 0 10  
QPF 12HR 0.02-0.07 0 0 0 0  
SNOW 12HR T 00-00 00-00  
RAIN L S S L  
RAIN SHWRS S S  
SNOW L L  
OBVIS PF  
WIND CHILL 22 28 32 28 23 23 32 28 26  
MIN CHILL 20 21 35 25 20 22 30 23 26  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18 FRI 04/27/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 33 47 29 62 35 57 32 65  
TEMP 41 33 43 46 34 31 53 61 44 36 53 54 39 34 59 63  
DEWPT 35 32 30 30 28 27 30 31 29 30 30 30 28 28 31 31  
PWIND DIR N N NW SW W N N SW  
WIND CHAR BZ BZ GN GN GN BZ GN GN  
AVG CLOUDS OV OV B2 B1 SC FW FW FW FW SC SC SC FW CL CL FW  
POP 12HR 60 10 5 0 5 5 0 0  
RAIN L C  
SNOW C  
 

 
NEZ095-212300-  
NORTH SIOUX-  
INCLUDING THE CITY OF HARRISON  
458 AM MDT SAT APR 21 2018  
 
DATE SAT 04/21/18 SUN 04/22/18 MON 04/23/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 47 51 55 27 30 33 59 63 65 32 36 39 59 64 68  
TEMP 31 36 45 51 48 40 35 32 30 43 58 63 60 49 43 39 36 48 62 62 52  
DEWPT 31 33 33 34 34 33 33 31 30 33 36 36 36 36 37 35 35 36 38 38 38  
RH 100 89 62 52 58 76 92 96100 67 44 36 41 61 79 85 96 63 41 41 59  
WIND DIR SE SE S S SE S S SW SW NW N NE E SE S S S SE SE SW NW  
WIND SPD 6 6 6 9 11 11 9 6 5 4 5 8 10 10 9 8 8 11 16 17 16  
WIND GUST 20  
CLOUDS OV OV B2 B1 B1 SC SC FW SC FW FW FW FW FW FW FW FW SC B1 B2 OV  
POP 12HR 40 0 0 0 40  
QPF 12HR 0.01 0 0 0 0.03  
SNOW 12HR 00-00 00-00 00-00  
RAIN C C L  
RAIN SHWRS C C  
SNOW C C  
OBVIS PF  
WIND CHILL 24 30 34 28 26 37 33 30  
MIN CHILL 19 20 38 22 20 23 31 25 27  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18 FRI 04/27/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 31 45 27 62 34 55 32 63  
TEMP 36 31 42 44 33 29 54 61 43 35 51 53 39 33 57 61  
DEWPT 31 29 28 28 27 25 28 30 29 29 29 29 28 27 30 30  
PWIND DIR NW N NW SW NW NW W W  
WIND CHAR BZ BZ GN GN GN BZ GN GN  
AVG CLOUDS OV OV B2 B1 SC FW CL FW FW SC SC FW FW CL CL FW  
POP 12HR 60 20 5 0 10 0 0 0  
RAIN L C  
RAIN SHWRS S  
SNOW C  
SNOWSHWRS S  
 

 
NEZ096-212300-  
SOUTH SIOUX-  
INCLUDING THE CITY OF AGATE  
458 AM MDT SAT APR 21 2018  
 
DATE SAT 04/21/18 SUN 04/22/18 MON 04/23/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 47 50 53 30 61 63 67 35 65  
TEMP 31 35 43 50 47 39 35 32 30 39 56 63 60 48 42 38 35 46 60 65 54  
DEWPT 31 32 33 33 33 33 33 31 30 33 36 36 35 36 36 35 34 36 38 38 38  
RH 100 89 67 52 58 79 92 96100 79 47 36 39 63 79 89 96 68 44 37 54  
WIND DIR SE SE S SE SE SE S S S SW NW E SE SE SE SE SE SE SE SW NW  
WIND SPD 8 6 5 9 10 10 9 6 4 3 4 6 8 9 9 8 8 11 16 17 16  
CLOUDS OV OV B2 B2 B1 SC SC SC SC SC FW FW FW FW FW FW FW FW B1 B2 OV  
POP 12HR 40 0 0 0 40  
QPF 12HR 0.01 0 0 0 0.02  
SNOW 12HR 00-00 00-00 00-00  
RAIN C L  
RAIN SHWRS C C  
SNOW C C  
OBVIS PF  
WIND CHILL 24 29 32 28 26 36 29  
MIN CHILL 21 21 38 24 22 24 32 26 28  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18 FRI 04/27/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 31 47 29 63 35 57 32 65  
TEMP 39 31 42 46 35 31 54 62 44 36 53 55 40 34 58 63  
DEWPT 32 29 27 27 27 25 28 29 28 28 28 28 28 27 29 29  
PWIND DIR NW N N SW NW N E W  
WIND CHAR BZ BZ GN GN GN BZ GN GN  
AVG CLOUDS OV OV B2 B1 SC FW CL FW FW SC SC FW FW CL CL FW  
POP 12HR 60 20 5 0 10 5 0 0  
RAIN L C  
RAIN SHWRS S  
SNOW C  
SNOWSHWRS S  
 

 
WYZ101-212300-  
CONVERSE COUNTY LOWER ELEVATIONS-  
INCLUDING THE CITIES OF BILL, DOUGLAS, DEER CREEK, AND GLENROCK  
458 AM MDT SAT APR 21 2018  
 
DATE SAT 04/21/18 SUN 04/22/18 MON 04/23/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 53 57 61 30 33 37 63 66 70 34 38 41 48 57 63  
TEMP 33 38 48 55 55 45 39 36 33 44 57 65 64 52 45 41 38 50 57 54 45  
DEWPT 32 33 33 33 33 33 33 31 31 32 34 34 33 35 36 35 34 35 35 34 33  
RH 96 82 56 43 43 62 79 82 92 62 42 31 31 52 70 79 85 56 43 46 62  
WIND DIR SE S S S SE S S SW NW N NE E SE SE SE SE SE E NE N N  
WIND SPD 6 6 6 6 8 8 6 8 6 5 4 6 9 10 10 8 6 9 12 17 23  
WIND GUST 19 18 28 35 40  
CLOUDS OV B2 B1 B1 SC FW FW FW FW FW FW FW FW FW FW FW SC B1 B2 B2 OV  
POP 12HR 10 0 0 5 50  
QPF 12HR 0 0 0 0 0.05-0.14  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S C  
RAIN SHWRS S S C C  
SNOW S S  
OBVIS PF  
WIND CHILL 27 29 27 37  
MIN CHILL 23 24 29 23 24 36 27 30 22  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18 FRI 04/27/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 29 47 28 62 34 57 33 63  
TEMP 33 29 41 46 33 30 57 60 43 35 51 56 41 35 58 61  
DEWPT 28 27 25 24 25 23 26 26 30 28 27 27 28 27 27 27  
PWIND DIR N N S SW N NW SW W  
WIND CHAR BZ GN LT GN GN GN GN GN  
AVG CLOUDS OV OV B2 SC FW CL CL FW FW SC SC FW FW CL CL FW  
POP 12HR 50 20 0 0 20 5 0 0  
RAIN C  
RAIN SHWRS S S  
SNOW C C  
SNOWSHWRS S S  
 

 
WYZ102-212300-  
NIOBRARA COUNTY-  
INCLUDING THE CITIES OF LUSK AND REDBIRD  
458 AM MDT SAT APR 21 2018  
 
DATE SAT 04/21/18 SUN 04/22/18 MON 04/23/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 48 54 57 28 31 34 60 64 68 34 38 42 56 62 67  
TEMP 33 38 47 53 52 44 38 34 32 44 58 64 62 51 45 41 39 51 62 59 49  
DEWPT 32 33 33 33 33 33 33 32 31 33 35 35 34 35 36 36 35 35 35 35 35  
RH 96 82 58 46 48 65 82 92 96 65 42 34 35 54 70 82 85 54 36 40 58  
WIND DIR SE SE S SE SE SE S SW W NW N NE SE SE SE SE SE SE SE NE NW  
WIND SPD 6 6 8 9 10 9 8 5 4 3 4 6 10 10 9 8 8 10 13 16 18  
WIND GUST 19 31  
CLOUDS OV B2 B2 B1 B1 SC FW FW FW FW FW FW FW FW FW FW SC SC B2 B2 OV  
POP 12HR 20 0 0 0 50  
QPF 12HR 0 0 0 0 0.02-0.13  
SNOW 12HR 00-00 00-00 00-00  
RAIN S C L  
RAIN SHWRS C C  
SNOW C C  
OBVIS PF  
WIND CHILL 27 38 32 33  
MIN CHILL 20 21 38 24 22 26 33 27 30 33  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18 FRI 04/27/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 31 47 28 62 35 56 33 63  
TEMP 34 31 42 46 34 30 55 60 43 35 51 54 40 35 58 61  
DEWPT 30 28 27 26 26 24 27 29 30 28 28 28 29 28 29 29  
PWIND DIR NW NW W SW NW NW W W  
WIND CHAR BZ BZ LT GN GN BZ GN GN  
AVG CLOUDS OV OV B2 SC SC CL CL FW FW SC SC FW FW CL CL FW  
POP 12HR 60 20 0 0 10 0 0 0  
RAIN L C  
RAIN SHWRS S  
SNOW C  
SNOWSHWRS S  
 

 
WYZ103-212300-  
NORTH LARAMIE RANGE-  
INCLUDING THE CITY OF GARRETT  
458 AM MDT SAT APR 21 2018  
 
DATE SAT 04/21/18 SUN 04/22/18 MON 04/23/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 40 49 57 28 32 36 49 60 67 31 36 41 45 54 63  
TEMP 29 35 42 47 48 39 35 35 32 45 54 60 58 45 41 38 37 49 54 50 46  
DEWPT 28 30 31 32 32 30 28 26 26 28 31 32 32 32 32 30 29 30 32 32 31  
RH 96 82 65 56 54 70 75 69 78 51 41 35 37 60 70 73 72 48 43 50 55  
WIND DIR S SE SE SW W W SW W NW NW E SE SE SE S S S SW W NW NW  
WIND SPD 4 5 5 5 6 6 8 8 6 5 4 5 8 9 9 8 6 8 10 12 17  
WIND GUST 28  
CLOUDS OV B2 B2 B2 SC FW FW FW FW FW FW SC FW FW SC SC SC SC B2 B2 B2  
POP 12HR 30 0 0 5 60  
QPF 12HR 0.00-0.06 0 0 0 0.07-0.20  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S C  
RAIN SHWRS S S L L  
SNOW C C S  
OBVIS PF  
WIND CHILL 29 28 26 35 31 39  
MIN CHILL 17 18 28 25 21 24 26 24 28 24  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18 FRI 04/27/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 26 42 27 57 32 51 31 58  
TEMP 31 26 35 42 31 29 51 55 39 32 46 51 38 32 53 55  
DEWPT 25 23 22 21 21 19 23 23 25 25 25 25 24 23 24 24  
PWIND DIR N N N W N N W W  
WIND CHAR BZ GN LT GN GN GN GN GN  
AVG CLOUDS OV OV B2 SC SC CL CL FW FW SC SC FW FW CL CL FW  
POP 12HR 40 10 0 0 20 10 0 0  
RAIN C  
RAIN SHWRS S  
SNOW C C  
SNOWSHWRS S  
 

 
WYZ104-212300-  
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-  
INCLUDING THE CITY OF SEMINOE DAM  
458 AM MDT SAT APR 21 2018  
 
DATE SAT 04/21/18 SUN 04/22/18 MON 04/23/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 45 56 62 30 33 36 55 64 70 32 35 38 45 53 58  
TEMP 31 36 47 54 54 45 40 37 33 44 56 64 61 50 43 39 35 47 52 50 48  
DEWPT 29 29 29 28 27 26 26 26 26 26 26 24 23 25 28 27 26 28 30 30 30  
RH 92 75 49 36 35 47 57 64 75 49 31 22 23 37 55 62 69 47 43 46 49  
WIND DIR N NW W W W W W W W SW S SW SW S S S S SW W NW N  
WIND SPD 6 6 6 8 8 8 8 6 5 5 6 8 8 8 6 6 8 9 11 14 19  
WIND GUST 31  
CLOUDS B2 B2 B1 SC FW FW FW FW FW FW FW FW FW FW FW FW SC B1 B2 B2 B2  
POP 12HR 20 0 0 5 50  
QPF 12HR 0 0 0 0 0.07-0.14  
SNOW 12HR 00-00 00-00 00-00  
RAIN C  
RAIN SHWRS S S C C  
SNOW S S  
OBVIS PF  
WIND CHILL 24 29  
MIN CHILL 17 18 35 28 23 26 30 24 26 24  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18 FRI 04/27/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 26 44 27 58 31 54 31 60  
TEMP 33 26 36 43 33 29 51 57 39 32 47 54 40 33 55 58  
DEWPT 24 23 20 19 20 19 21 20 24 24 24 22 23 22 23 21  
PWIND DIR N N E SW N N SW W  
WIND CHAR GN GN LT GN GN GN LT GN  
AVG CLOUDS B2 B2 B1 SC FW CL CL FW SC B1 SC FW FW CL CL FW  
POP 12HR 30 5 0 0 10 5 0 0  
RAIN C  
SNOW C S  
 

 
WYZ105-212300-  
SHIRLEY BASIN-  
INCLUDING THE CITIES OF MEDICINE BOW AND SHIRLEY BASIN  
458 AM MDT SAT APR 21 2018  
 
DATE SAT 04/21/18 SUN 04/22/18 MON 04/23/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 53 27 29 33 60 64 66 33 51 56 60  
TEMP 30 35 44 51 52 41 35 31 30 42 58 63 61 47 41 37 33 47 56 53 51  
DEWPT 28 30 31 31 31 29 27 25 25 26 29 29 28 30 31 29 27 28 30 30 31  
RH 92 82 60 46 44 62 72 78 81 53 33 27 28 51 67 72 78 47 37 41 46  
WIND DIR N NW W W NW NW NW NW NW W S SW SW S SE SE SE SW W W NW  
WIND SPD 3 6 8 9 8 6 5 4 5 5 5 6 6 6 6 5 5 8 12 14 17  
CLOUDS OV B2 B2 B1 SC FW FW FW FW FW FW FW FW FW FW FW SC SC B2 B2 B2  
POP 12HR 20 0 0 5 50  
QPF 12HR 0 0 0 0 0.04-0.12  
SNOW 12HR 00-00 00-00 00-00  
RAIN C  
RAIN SHWRS S S C C  
SNOW S S  
OBVIS PF  
WIND CHILL 24 31  
MIN CHILL 23 23 38 26 20 24 32 25 28 31  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18 FRI 04/27/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 27 44 26 58 31 53 30 59  
TEMP 32 27 37 44 32 28 52 56 38 32 48 52 39 31 55 57  
DEWPT 25 23 20 20 21 19 21 21 23 24 24 23 24 22 23 22  
PWIND DIR N N E W N N E W  
WIND CHAR GN GN LT GN GN GN GN GN  
AVG CLOUDS B2 B2 B1 SC FW CL CL FW FW SC SC FW FW CL CL FW  
POP 12HR 30 5 0 0 10 5 0 0  
RAIN C  
SNOW C S  
SNOWSHWRS S  
 

 
WYZ106-212300-  
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-  
INCLUDING THE CITY OF BORDEAUX  
458 AM MDT SAT APR 21 2018  
 
DATE SAT 04/21/18 SUN 04/22/18 MON 04/23/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 45 51 55 29 32 35 58 64 67 33 37 40 56 62 66  
TEMP 31 36 43 49 50 42 36 34 33 48 57 63 61 50 43 40 38 54 62 59 51  
DEWPT 30 31 31 32 32 32 31 29 28 30 32 31 31 32 34 33 32 32 33 33 34  
RH 96 82 62 52 50 67 82 82 82 49 38 30 32 50 70 76 79 43 33 37 52  
WIND DIR E NE NE E SE S SW SW W NW NE E SE SE S S S S S W NW  
WIND SPD 5 5 5 6 6 6 5 6 8 6 5 8 10 10 9 8 6 8 10 12 16  
WIND GUST 20 21 18  
CLOUDS OV B2 B2 B2 B1 FW FW FW FW FW FW FW FW FW FW FW SC SC B2 B2 B2  
POP 12HR 40 0 0 5 50  
QPF 12HR 0.01 0 0 0 0.06-0.13  
SNOW 12HR 00-00 00-00 00-00  
RAIN C C S S C  
RAIN SHWRS S S C C  
SNOW C C S  
OBVIS PF  
WIND CHILL 28 27  
MIN CHILL 19 22 35 26 21 25 31 27 32  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18 FRI 04/27/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 30 46 29 62 35 55 32 62  
TEMP 35 30 40 45 34 31 55 60 42 36 51 54 40 34 58 59  
DEWPT 28 26 24 23 24 22 24 24 25 26 26 25 26 24 25 25  
PWIND DIR N N NW W NW N SW W  
WIND CHAR GN BZ GN GN GN GN GN GN  
AVG CLOUDS OV B2 B1 SC SC CL CL FW FW SC SC FW FW CL CL FW  
POP 12HR 40 10 0 0 10 10 0 0  
RAIN C S  
RAIN SHWRS S  
SNOW S  
 

 
WYZ107-212300-  
EAST PLATTE COUNTY-  
INCLUDING THE CITIES OF WHEATLAND AND GUERNSEY  
458 AM MDT SAT APR 21 2018  
 
DATE SAT 04/21/18 SUN 04/22/18 MON 04/23/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 49 53 56 31 62 65 68 37 59 63 66  
TEMP 33 36 45 52 52 43 37 33 32 44 58 65 63 52 45 41 38 50 61 60 52  
DEWPT 32 32 32 33 33 33 33 31 30 32 35 34 32 34 36 35 34 35 36 36 35  
RH 96 85 60 48 48 67 85 92 92 62 42 31 31 50 70 79 85 56 39 41 52  
WIND DIR SE SE SE SE SE SE SE SW NW NW N E SE SE SE SE SE SE SE NE NW  
WIND SPD 6 5 5 6 8 8 6 4 4 4 5 9 10 10 9 8 6 8 10 13 17  
WIND GUST 27  
CLOUDS OV B2 B2 B1 B1 FW FW FW FW FW FW FW FW FW FW FW SC SC B2 B2 B2  
POP 12HR 40 0 0 0 50  
QPF 12HR 0.01 0 0 0 0.04-0.12  
SNOW 12HR 00-00 00-00 00-00  
RAIN C C C  
RAIN SHWRS C C  
SNOW C C  
OBVIS PF  
WIND CHILL 27 32  
MIN CHILL 22 24 39 28 22 28 36 29 32  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18 FRI 04/27/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 31 47 28 64 36 57 33 65  
TEMP 35 31 41 47 35 31 57 62 43 37 53 56 41 35 60 62  
DEWPT 29 28 26 25 26 24 26 27 29 28 27 27 28 27 27 28  
PWIND DIR N N NW SW N N SW W  
WIND CHAR BZ BZ LT GN GN BZ GN LT  
AVG CLOUDS OV OV B2 SC SC CL CL FW FW SC SC FW FW CL CL FW  
POP 12HR 50 10 0 0 5 0 0 0  
RAIN C S  
SNOW S  
 

 
WYZ108-212300-  
GOSHEN COUNTY-  
INCLUDING THE CITY OF TORRINGTON  
458 AM MDT SAT APR 21 2018  
 
DATE SAT 04/21/18 SUN 04/22/18 MON 04/23/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 48 52 55 30 61 65 68 36 56 65 68  
TEMP 32 35 44 51 50 41 36 33 31 42 58 65 62 50 43 40 36 48 62 64 54  
DEWPT 31 32 33 33 34 34 33 31 30 33 35 35 34 35 37 35 35 35 37 37 37  
RH 96 89 65 50 54 76 89 92 96 70 42 33 35 56 79 82 96 60 39 37 52  
WIND DIR SE SE SE SE SE SE SE SE NW N NE E SE SE SE SE SE SE SE NE NW  
WIND SPD 6 5 5 8 10 9 8 5 3 4 5 8 9 9 8 6 6 9 13 14 14  
WIND GUST 19 17 25 27  
CLOUDS OV OV B2 B1 B1 SC FW FW FW FW FW FW FW FW FW FW SC SC B1 B2 B2  
POP 12HR 50 0 0 0 40  
QPF 12HR 0.01 0 0 0 0.01-0.11  
SNOW 12HR 00-00 00-00 00-00  
RAIN C C C  
RAIN SHWRS C C  
SNOW C C  
OBVIS PF  
WIND CHILL 25 35 30  
MIN CHILL 21 22 38 25 23 26 33 27 30 39  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18 FRI 04/27/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 31 48 28 65 35 58 33 66  
TEMP 36 31 43 47 35 30 56 63 44 36 54 56 41 34 60 64  
DEWPT 30 28 27 26 27 25 27 28 29 29 28 28 29 27 29 29  
PWIND DIR NW N N SW N N SW W  
WIND CHAR BZ BZ LT GN GN BZ GN LT  
AVG CLOUDS OV OV B2 B1 SC CL CL FW FW SC SC FW FW CL CL FW  
POP 12HR 50 10 0 0 5 5 0 0  
RAIN C C  
SNOW C  
SNOWSHWRS S  
 

 
WYZ109-212300-  
CENTRAL CARBON COUNTY-  
INCLUDING THE CITY OF RAWLINS  
458 AM MDT SAT APR 21 2018  
 
DATE SAT 04/21/18 SUN 04/22/18 MON 04/23/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 50 56 60 28 32 35 57 64 68 32 35 39 51 56 61  
TEMP 31 36 46 55 55 46 40 35 32 45 58 64 61 50 43 39 36 49 55 55 53  
DEWPT 29 30 30 28 25 26 27 27 26 27 27 24 21 23 27 27 27 28 30 29 27  
RH 92 79 53 35 31 45 59 72 78 49 30 22 21 34 53 62 69 44 38 37 36  
WIND DIR N NW NW NW NW W SW SW SW SW SW SW SW SW S S S SW W NW N  
WIND SPD 8 6 8 9 10 9 6 5 5 6 8 8 8 6 6 6 8 11 14 17 19  
WIND GUST 18 21 25 28 32  
CLOUDS B2 B2 B1 SC FW FW FW FW FW FW FW FW FW FW FW FW SC B1 B2 B2 B2  
POP 12HR 20 0 0 0 50  
QPF 12HR 0 0 0 0 0.05-0.11  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S  
RAIN SHWRS S S C C  
SNOW S S  
OBVIS PF  
WIND CHILL 23 30 30  
MIN CHILL 19 20 38 28 22 26 32 25 28 33  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18 FRI 04/27/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 26 46 27 59 32 55 32 60  
TEMP 34 26 40 46 34 29 52 58 40 32 49 54 40 33 56 58  
DEWPT 25 24 21 18 20 19 21 18 22 24 24 21 22 22 23 20  
PWIND DIR N NE E SW N N SE SW  
WIND CHAR GN GN LT GN GN GN LT GN  
AVG CLOUDS B2 B1 B1 SC FW CL CL FW SC SC SC FW FW CL CL FW  
POP 12HR 20 0 0 0 5 0 0 0  
RAIN S  
SNOW S  
 

 
WYZ110-212300-  
NORTH SNOWY RANGE FOOTHILLS-  
INCLUDING THE CITIES OF ARLINGTON AND ELK MOUNTAIN  
458 AM MDT SAT APR 21 2018  
 
DATE SAT 04/21/18 SUN 04/22/18 MON 04/23/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 44 50 54 32 54 61 65 35 51 57 60  
TEMP 29 33 41 48 50 42 37 35 33 46 56 61 59 48 42 38 36 50 56 56 51  
DEWPT 27 28 29 30 29 28 26 25 24 26 28 27 27 28 29 28 27 28 29 30 29  
RH 92 82 62 49 44 57 64 66 69 45 34 27 29 46 60 67 69 42 35 37 42  
WIND DIR N NW NW NW NW W SW W W W W SW S S S S S SW W W NW  
WIND SPD 5 6 8 10 11 9 6 6 6 5 4 4 5 6 8 8 8 10 13 14 16  
WIND GUST 24 25  
CLOUDS B2 B2 B2 B1 SC FW FW FW FW FW FW FW FW FW FW FW SC SC B2 B2 B2  
POP 12HR 20 0 5 0 50  
QPF 12HR 0 0 0 0 0.04-0.09  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S C  
RAIN SHWRS S S C C  
SNOW S S S  
OBVIS PF  
WIND CHILL 23 27 36 29 27 32 30  
MIN CHILL 16 20 33 25 22 27 32 25 29 36  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18 FRI 04/27/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 27 44 27 57 32 53 30 58  
TEMP 34 27 38 43 32 29 52 55 39 33 48 52 38 32 54 55  
DEWPT 25 23 20 20 20 19 21 20 21 24 24 22 23 21 23 22  
PWIND DIR N N E W NW N SW W  
WIND CHAR GN GN LT GN GN GN GN GN  
AVG CLOUDS B2 B2 B1 SC FW CL CL FW FW SC SC FW FW CL CL FW  
POP 12HR 30 5 0 0 10 20 0 0  
RAIN C  
RAIN SHWRS S  
SNOW S  
SNOWSHWRS S  
 

 
WYZ111-212300-  
SOUTHWEST CARBON COUNTY-  
INCLUDING THE CITY OF BAGGS  
458 AM MDT SAT APR 21 2018  
 
DATE SAT 04/21/18 SUN 04/22/18 MON 04/23/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 54 58 61 27 30 34 61 64 67 29 33 38 54 59 66  
TEMP 28 36 47 57 57 47 39 34 31 43 57 64 62 49 41 37 34 48 58 58 54  
DEWPT 28 32 33 29 26 26 28 28 27 29 30 25 21 25 29 28 27 29 30 28 26  
RH 100 85 58 34 30 43 64 78 85 57 35 22 20 39 62 70 75 47 34 32 34  
WIND DIR N NW NW NW W W SW SW S SW SW SW SW S SE SE S S SW W NW  
WIND SPD 10 9 8 9 10 9 6 5 4 5 6 8 8 6 5 6 8 11 14 17 19  
WIND GUST 20 18 21 25 29 33  
CLOUDS B2 B1 B1 SC FW FW FW FW FW CL FW FW FW FW FW FW SC B1 B1 B2 B1  
POP 12HR 5 0 0 5 40  
QPF 12HR 0 0 0 0 0.00-0.07  
SNOW 12HR 00-00 00-00 00-00  
RAIN S  
RAIN SHWRS S S C C  
SNOW  
WIND CHILL 19 29 31 27  
MIN CHILL 14 15 30 22 25 28 23 27  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18 FRI 04/27/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 26 50 26 61 31 58 30 63  
TEMP 34 26 43 49 34 27 51 60 41 32 51 57 39 32 57 61  
DEWPT 26 23 20 17 20 20 21 17 21 24 24 19 22 22 23 19  
PWIND DIR N NE NE SW N N E SW  
WIND CHAR BZ BZ GN GN GN GN LT GN  
AVG CLOUDS B1 SC SC SC FW CL CL FW SC SC FW FW FW CL CL FW  
POP 12HR 20 0 0 0 0 0 0 0  
RAIN S  
 

 
WYZ112-212300-  
SIERRA MADRE RANGE-  
458 AM MDT SAT APR 21 2018  
 
DATE SAT 04/21/18 SUN 04/22/18 MON 04/23/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 38 47 56 27 31 35 45 56 63 29 35 38 44 54 62  
TEMP 28 33 40 46 46 39 36 34 32 44 52 56 53 43 38 37 35 48 53 53 48  
DEWPT 26 28 30 29 28 27 26 25 24 27 29 28 26 26 26 26 26 28 30 30 28  
RH 92 82 67 51 49 62 67 69 72 51 41 34 35 51 62 64 69 46 41 41 46  
WIND DIR N N NW NW NW W SW SW SW SW W W SW SW S S S SW SW W NW  
WIND SPD 8 6 6 8 9 9 8 5 4 4 5 5 5 5 5 6 8 10 12 13 13  
WIND GUST 19 21 24 25 25  
CLOUDS B2 B2 B2 B1 SC FW FW FW FW FW FW FW FW FW FW FW SC B1 B2 B2 B2  
POP 12HR 30 0 5 5 40  
QPF 12HR 0.00-0.08 0 0 0 0.01-0.10  
SNOW 12HR 00-00 00-00 00-00  
RAIN S C  
RAIN SHWRS S S C C  
SNOW C C S C  
SNOWSHWRS C C  
OBVIS PF  
WIND CHILL 20 26 30 31 29  
MIN CHILL 13 14 26 22 20 24 38 26 21 23 30  
WINTER WEATH Y  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18 FRI 04/27/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 26 43 27 54 31 51 30 55  
TEMP 33 26 39 42 31 29 48 52 39 32 46 49 37 32 52 53  
DEWPT 26 22 22 20 19 17 21 20 19 21 24 22 20 19 23 23  
PWIND DIR N NE E SW NW N E SW  
WIND CHAR GN GN LT LT LT GN LT GN  
AVG CLOUDS B2 B1 B1 SC FW CL CL FW SC SC SC FW FW CL CL FW  
POP 12HR 30 5 0 0 5 5 0 5  
RAIN C  
SNOW C S  
 

 
WYZ113-212300-  
UPPER NORTH PLATTE RIVER BASIN-  
INCLUDING THE CITIES OF SARATOGA AND ENCAMPMENT  
458 AM MDT SAT APR 21 2018  
 
DATE SAT 04/21/18 SUN 04/22/18 MON 04/23/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 44 52 57 29 33 35 55 62 66 32 35 39 54 59 61  
TEMP 30 34 44 51 51 43 38 35 33 47 59 62 60 50 42 38 37 51 58 58 54  
DEWPT 28 29 30 29 28 27 27 26 26 27 28 27 27 27 27 27 28 29 30 30 28  
RH 92 82 57 42 41 53 64 69 75 45 30 26 28 41 55 64 70 42 34 34 36  
WIND DIR N NW NW NW NW W SW S S SW W W W SW S S S SW SW W NW  
WIND SPD 6 6 6 9 10 9 6 5 5 5 5 5 5 5 5 6 8 10 13 14 14  
WIND GUST 25 25  
CLOUDS B2 B2 B2 B1 SC FW FW FW FW FW FW FW FW FW FW FW SC SC B1 B2 B2  
POP 12HR 20 0 5 0 40  
QPF 12HR 0 0 0 0 0.04  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S S  
RAIN SHWRS S S C C  
SNOW S S S  
OBVIS PF  
WIND CHILL 24 28 30  
MIN CHILL 19 20 33 28 24 28 32 26 30  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18 FRI 04/27/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 28 46 27 59 33 55 32 60  
TEMP 35 28 41 45 33 30 53 56 40 34 50 53 39 34 56 56  
DEWPT 27 24 22 20 21 19 22 21 21 24 24 22 23 21 24 23  
PWIND DIR N NE E SW NW N S SW  
WIND CHAR GN GN LT GN LT GN LT GN  
AVG CLOUDS B2 B2 B1 SC FW CL CL FW SC SC SC FW FW CL CL FW  
POP 12HR 20 0 0 0 5 5 0 0  
RAIN S  
 

 
WYZ114-212300-  
SNOWY RANGE-  
INCLUDING THE CITIES OF CENTENNIAL AND ALBANY  
458 AM MDT SAT APR 21 2018  
 
DATE SAT 04/21/18 SUN 04/22/18 MON 04/23/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 33 43 53 24 29 35 42 54 64 26 32 39 40 52 59  
TEMP 25 31 37 42 43 36 33 32 30 43 51 54 51 42 37 34 33 46 51 52 45  
DEWPT 24 26 27 27 27 26 24 22 22 23 25 26 26 26 26 25 25 26 27 27 27  
RH 96 81 67 55 53 67 69 66 72 45 36 34 37 53 64 69 72 45 39 38 49  
WIND DIR N NW NW NW NW W W W W W W SW SW S S S SW SW SW W W  
WIND SPD 5 5 6 8 10 9 8 6 6 5 3 3 4 4 5 6 8 10 12 13 13  
WIND GUST 20 20 19 18 20 24 24 25  
CLOUDS B2 B2 B2 B2 SC FW FW FW FW FW SC SC SC SC FW FW SC SC B2 B2 B2  
POP 12HR 40 5 10 10 50  
QPF 12HR 0.00-0.10 0 0 0 0.01-0.16  
SNOW 12HR T 00-00 00-00  
RAIN C C  
RAIN SHWRS S S C C  
SNOW C C C C  
SNOWSHWRS C C L  
OBVIS PF  
WIND CHILL 18 25 36 37 30 27 25 23 26 39  
MIN CHILL 7 10 21 13 12 17 35 20 16 20 24  
WINTER WEATH Y  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18 FRI 04/27/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 24 39 24 52 29 48 28 53  
TEMP 31 24 34 39 28 27 47 51 37 29 43 47 34 30 50 51  
DEWPT 25 21 20 20 18 15 18 19 18 20 23 21 19 18 21 22  
PWIND DIR NW N E W NW N W W  
WIND CHAR GN GN LT GN GN GN LT GN  
AVG CLOUDS B2 B2 B1 SC SC CL CL FW SC SC SC SC FW CL CL FW  
POP 12HR 40 10 0 5 5 20 5 5  
RAIN C  
RAIN SHWRS S  
SNOW C S  
SNOWSHWRS S  
 

 
WYZ115-212300-  
LARAMIE VALLEY-  
INCLUDING THE CITIES OF BOSLER AND LARAMIE  
458 AM MDT SAT APR 21 2018  
 
DATE SAT 04/21/18 SUN 04/22/18 MON 04/23/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 43 48 53 25 29 33 55 61 65 29 32 36 54 59 60  
TEMP 28 33 40 46 47 39 34 31 30 44 55 60 58 46 40 36 33 50 57 58 50  
DEWPT 26 27 28 29 30 29 27 25 24 26 27 28 28 30 31 29 28 28 29 30 31  
RH 92 78 62 51 51 67 75 78 78 49 34 29 32 53 70 75 82 42 34 34 48  
WIND DIR N N NW NW NW W SW SW W NW NE E SE SE S S S SW SW W NW  
WIND SPD 4 5 6 8 9 8 6 6 5 4 4 4 6 8 9 8 6 9 11 13 14  
CLOUDS OV B2 B2 B2 B1 FW FW FW FW FW FW SC SC FW FW FW SC SC B1 B2 B2  
POP 12HR 40 0 5 5 50  
QPF 12HR 0.01 0 0 0 0.01-0.11  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S C  
RAIN SHWRS S S C C  
SNOW C C S  
OBVIS PF  
WIND CHILL 22 27 28 25 24 34 30 27  
MIN CHILL 18 19 33 24 18 25 29 22 28 39  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18 FRI 04/27/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 27 44 25 58 31 53 29 59  
TEMP 34 27 38 43 31 28 53 56 38 32 48 51 37 31 55 55  
DEWPT 27 23 21 21 21 19 20 21 21 23 23 22 23 21 22 23  
PWIND DIR N N E W NW N W W  
WIND CHAR GN GN LT GN GN GN GN GN  
AVG CLOUDS B2 B2 B1 SC SC CL CL FW FW SC SC SC FW CL CL FW  
POP 12HR 40 5 0 0 10 20 0 0  
RAIN C S  
RAIN SHWRS S  
SNOW S  
SNOWSHWRS S  
 

 
WYZ116-212300-  
SOUTH LARAMIE RANGE-  
INCLUDING THE CITIES OF BUFORD, PUMPKIN VINE, AND VEDAUWOO  
458 AM MDT SAT APR 21 2018  
 
DATE SAT 04/21/18 SUN 04/22/18 MON 04/23/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 39 43 48 30 53 57 62 30 33 37 52 57 61  
TEMP 26 30 38 42 43 36 33 32 31 44 52 57 53 43 37 35 35 49 55 56 47  
DEWPT 26 27 28 29 30 29 28 27 26 27 28 28 29 30 31 30 29 29 29 30 32  
RH 100 88 67 60 60 75 82 81 81 51 39 33 39 60 79 82 78 46 37 37 56  
WIND DIR NE N N NE SE SW W W W NW N E SE SE S S SW SW SW W W  
WIND SPD 5 5 6 6 6 8 9 9 9 8 6 8 9 11 11 10 9 10 12 14 16  
CLOUDS OV B2 B2 OV B2 SC FW FW FW FW FW SC SC SC FW FW SC SC B2 B2 B2  
POP 12HR 50 5 5 5 50  
QPF 12HR 0.01-0.08 0 0 0 0.01-0.12  
SNOW 12HR T 00-00 00-00  
RAIN C C  
RAIN SHWRS S S C C  
SNOW C C C C  
OBVIS PF  
WIND CHILL 20 24 30 26 24 23 37 30 28 28  
MIN CHILL 17 17 30 22 19 24 24 23 29 36  
WINTER WEATH Y Y  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18 FRI 04/27/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 26 40 26 55 31 50 29 55  
TEMP 33 26 35 40 30 28 49 54 40 31 46 49 36 31 52 53  
DEWPT 27 24 21 21 22 20 20 21 21 23 23 22 23 21 21 22  
PWIND DIR NW N N W NW N W W  
WIND CHAR GN BZ GN GN GN GN GN GN  
AVG CLOUDS B2 B2 B1 SC SC CL CL FW FW SC SC SC FW CL CL FW  
POP 12HR 40 10 0 0 10 20 0 0  
RAIN C  
RAIN SHWRS S  
SNOW C S  
SNOWSHWRS S  
 

 
WYZ117-212300-  
SOUTH LARAMIE RANGE FOOTHILLS-  
INCLUDING THE CITIES OF WHITAKER, FEDERAL, AND HORSE CREEK  
458 AM MDT SAT APR 21 2018  
 
DATE SAT 04/21/18 SUN 04/22/18 MON 04/23/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 47 29 61 34 62  
TEMP 28 32 40 46 46 38 33 30 31 48 56 61 58 45 39 36 36 53 61 60 51  
DEWPT 28 30 31 31 32 31 30 29 28 30 32 31 31 32 33 32 31 32 33 34 35  
RH 100 92 70 55 58 76 89 96 88 49 40 32 36 60 79 85 82 44 35 37 54  
WIND DIR NE NE N E SE S SW W NW N N E SE SE S S SW SW S W NW  
WIND SPD 5 5 6 6 6 6 6 8 9 9 9 9 10 10 10 8 6 10 12 13 13  
CLOUDS OV B2 B2 B2 B2 SC FW FW FW FW FW FW SC SC FW FW SC SC B1 B2 B2  
POP 12HR 60 0 5 0 50  
QPF 12HR 0.01-0.06 0 0 0 0.03-0.13  
SNOW 12HR T 00-00 00-00  
RAIN C C C  
RAIN SHWRS C C  
SNOW C C C  
OBVIS PF  
WIND CHILL 22 26 26 23 24 39 32 30 30  
MIN CHILL 18 19 35 23 18 27 28 25 33  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18 FRI 04/27/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 28 44 26 60 33 54 30 61  
TEMP 34 28 38 43 31 29 53 58 41 33 49 53 37 33 57 57  
DEWPT 29 26 24 24 24 23 24 24 24 26 26 24 25 23 25 25  
PWIND DIR N N NW SW NW N W W  
WIND CHAR BZ BZ GN GN GN BZ GN GN  
AVG CLOUDS OV B2 B1 SC SC CL CL FW FW SC SC SC FW CL CL FW  
POP 12HR 40 5 0 0 5 10 0 5  
RAIN C  
SNOW S  
 

 
WYZ118-212300-  
CENTRAL LARAMIE COUNTY-  
INCLUDING THE CITY OF CHEYENNE  
458 AM MDT SAT APR 21 2018  
 
DATE SAT 04/21/18 SUN 04/22/18 MON 04/23/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 47 29 62 32 34 38 61 64 67  
TEMP 29 33 40 46 46 38 34 32 31 47 57 61 59 46 40 38 35 52 62 63 54  
DEWPT 29 31 32 32 32 32 32 30 29 31 33 32 31 33 34 33 32 34 35 35 35  
RH 100 92 73 58 58 79 92 92 92 53 40 33 34 60 79 82 89 50 36 35 48  
WIND DIR E NE N E SE S SW SW W NW N E SE SE S S S S S SW N  
WIND SPD 6 5 6 6 8 9 9 8 6 8 9 10 10 10 10 9 8 10 13 13 12  
CLOUDS OV OV B2 B2 B2 SC SC FW FW FW CL FW FW SC FW FW SC SC B1 B2 B2  
POP 12HR 60 0 5 0 40  
QPF 12HR 0.02 0 0 0 0.02-0.12  
SNOW 12HR T 00-00 00-00  
RAIN S S C  
RAIN SHWRS C C  
SNOW L L  
OBVIS PF  
WIND CHILL 22 27 32 27 24 24 34 31 29  
MIN CHILL 19 20 35 24 19 27 31 25 30  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18 FRI 04/27/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 29 45 27 62 34 55 31 63  
TEMP 34 29 39 44 33 29 54 60 42 35 51 54 38 34 59 60  
DEWPT 29 27 25 25 25 24 25 26 25 27 26 26 26 25 26 26  
PWIND DIR N N NW SW NW N W W  
WIND CHAR BZ BZ GN GN GN BZ GN GN  
AVG CLOUDS B2 B2 B1 SC SC CL CL FW FW SC SC SC FW CL CL FW  
POP 12HR 40 5 0 0 5 5 0 5  
RAIN C  
SNOW S  
 

 
WYZ119-212300-  
EAST LARAMIE COUNTY-  
INCLUDING THE CITY OF PINE BLUFFS  
458 AM MDT SAT APR 21 2018  
 
DATE SAT 04/21/18 SUN 04/22/18 MON 04/23/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 47 30 62 34 62 65 68  
TEMP 29 33 40 46 46 38 34 32 30 43 57 61 59 45 40 37 35 49 63 64 56  
DEWPT 29 32 33 33 33 33 32 30 29 31 34 34 34 34 35 34 33 34 36 37 37  
RH 100 96 76 60 60 82 92 92 96 62 42 36 39 65 82 89 92 56 36 37 49  
WIND DIR E E E E SE S S SW W NW N NE E SE S S S S S SE NE  
WIND SPD 6 5 6 8 9 10 10 8 5 6 8 9 10 10 10 8 8 11 14 14 12  
CLOUDS OV OV B2 B2 B2 SC SC FW SC FW FW FW FW FW FW SC SC SC B1 B2 B2  
POP 12HR 60 0 0 0 40  
QPF 12HR 0.03 0 0 0 0.00-0.05  
SNOW 12HR T 00-00 00-00  
RAIN L S S C  
RAIN SHWRS C C  
SNOW L L  
OBVIS PF  
WIND CHILL 22 27 31 26 25 24 33 31 28  
MIN CHILL 20 21 36 22 21 25 30 25 28  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18 FRI 04/27/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 30 46 27 62 34 56 31 63  
TEMP 35 30 40 45 33 29 54 61 43 35 52 54 39 33 58 61  
DEWPT 30 28 26 26 27 24 26 27 27 27 27 27 27 26 27 28  
PWIND DIR N N N SW W N W W  
WIND CHAR BZ BZ GN GN GN BZ GN GN  
AVG CLOUDS OV OV B1 SC SC FW CL FW FW SC SC SC FW CL CL FW  
POP 12HR 50 5 0 0 0 0 0 5  
RAIN C S  
SNOW S  
 

 
 
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