660  
FOUS55 KCYS 241528  
AFMCYS  
 
AREA FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHEYENNE WY  
927 AM MDT TUE APR 24 2018  
 
NEZ002-242300-  
DAWES-  
INCLUDING THE CITIES OF CHADRON AND CHADRON ST PARK  
927 AM MDT TUE APR 24 2018  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18  
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 37 41 44 26 61 64 68 35 39 42 52 56 59  
TEMP 37 41 39 35 31 29 26 41 54 62 63 47 45 41 39 44 52 56 54  
DEWPT 30 30 30 29 28 25 23 28 28 29 29 32 31 32 32 33 30 28 28  
RH 75 65 70 78 88 85 88 59 36 28 27 56 58 70 76 65 43 34 36  
WIND DIR N N N N W W SW SW SW SW S S SW NW N N N N N  
WIND SPD 16 11 8 5 4 4 4 6 10 10 10 10 10 11 16 17 18 14 12  
WIND GUST 28 23 21 21 25 34 35 33 28  
CLOUDS OV B2 B2 B1 SC SC FW FW CL CL FW FW SC B1 B2 B1 B1 SC FW  
POP 12HR 40 10 0 5 10  
QPF 12HR 0.01 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN C C  
RAIN SHWRS S S  
SNOW C  
SNOWSHWRS  
WIND CHILL 29 32 31 20 39 35 30 37  
MIN CHILL 17 24 19 16 18 33 24 25  
 
DATE FRI 04/27/18 SAT 04/28/18 SUN 04/29/18 MON 04/30/18  
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 69 39 75 45 74 42 66  
TEMP 37 32 62 66 48 41 71 71 55 46 69 69 50 43 64 60  
DEWPT 28 26 31 33 32 31 37 38 36 34 35 35 35 33 34 36  
PWIND DIR S SW S S S SW SW NW  
WIND CHAR LT LT GN GN GN GN GN GN  
AVG CLOUDS FW CL CL CL CL CL CL FW SC SC SC SC SC B1 SC SC  
POP 12HR 0 0 0 0 5 5 10 20  
RAIN SHWRS S  
 

 
NEZ003-242300-  
BOX BUTTE-  
INCLUDING THE CITY OF ALLIANCE  
927 AM MDT TUE APR 24 2018  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18  
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 41 25 63 37 55  
TEMP 37 41 39 34 30 28 26 40 52 60 61 46 42 39 38 43 50 55 53  
DEWPT 31 30 29 29 28 25 23 27 27 27 28 31 29 31 32 33 30 27 27  
RH 79 65 67 82 92 88 88 59 38 28 28 55 60 73 79 67 46 34 36  
WIND DIR N N N N NW NW W SW SW SW S S SW NW N N N N N  
WIND SPD 19 16 12 9 5 4 4 5 9 10 10 10 10 12 17 19 19 16 13  
WIND GUST 32 28 23 24 35 36 34 28  
CLOUDS OV B2 B2 B2 SC SC FW FW CL CL FW FW SC SC B2 B2 B1 SC FW  
POP 12HR 30 10 0 5 10  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S  
RAIN SHWRS S S  
SNOW  
SNOWSHWRS  
WIND CHILL 27 32 30 27 24 19 36 31 28 35  
MIN CHILL 19 26 20 17 20 33 26 27  
 
DATE FRI 04/27/18 SAT 04/28/18 SUN 04/29/18 MON 04/30/18  
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 68 38 74 42 73 41 67  
TEMP 35 31 60 66 46 40 69 70 52 43 68 69 49 43 65 61  
DEWPT 27 26 30 31 31 30 36 37 36 34 33 34 35 34 33 33  
PWIND DIR N SW S S S SW SW W  
WIND CHAR LT LT GN GN GN GN GN GN  
AVG CLOUDS FW CL CL CL CL CL CL FW SC SC SC SC SC B1 SC SC  
POP 12HR 0 0 0 0 0 0 10 20  
RAIN SHWRS S  
 

 
NEZ019-242300-  
SCOTTS BLUFF-  
INCLUDING THE CITIES OF SCOTTSBLUFF AND GERING  
927 AM MDT TUE APR 24 2018  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18  
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 41 45 47 27 65 37 57  
TEMP 41 45 43 37 32 30 27 40 53 63 64 49 44 40 37 44 53 56 56  
DEWPT 31 31 30 30 29 27 26 29 29 29 29 32 29 31 32 34 32 29 27  
RH 67 58 60 75 88 88 96 64 39 27 27 52 55 70 82 68 44 35 32  
WIND DIR N NW N N N NW W SW SW S S S SW NW NW N N N N  
WIND SPD 18 16 11 8 4 3 4 5 6 8 10 10 9 13 16 18 19 14 14  
WIND GUST 29 29 20 19 27 32 31  
CLOUDS OV B2 B2 B2 SC FW FW FW CL CL FW FW SC SC B2 B2 B1 SC FW  
POP 12HR 20 5 0 5 10  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S  
RAIN SHWRS S S  
SNOW  
SNOWSHWRS  
WIND CHILL 33 38 36 31 32 28 36  
MIN CHILL 21 29 23 20 23 35 24 26  
 
DATE FRI 04/27/18 SAT 04/28/18 SUN 04/29/18 MON 04/30/18  
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 70 37 76 41 73 40 69  
TEMP 38 32 61 68 47 39 70 72 52 42 67 70 50 42 66 63  
DEWPT 27 27 32 31 32 31 37 36 36 33 33 34 35 33 33 32  
PWIND DIR E S S S S SW SW W  
WIND CHAR LT LT GN GN GN GN GN GN  
AVG CLOUDS FW CL CL CL CL CL CL FW SC SC SC SC B1 B1 SC SC  
POP 12HR 0 0 0 0 10 0 10 20  
RAIN SHWRS S  
TSTMS S  
 

 
NEZ020-242300-  
BANNER-  
INCLUDING THE CITY OF HARRISBURG  
927 AM MDT TUE APR 24 2018  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18  
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 25 63 35 55  
TEMP 39 43 42 35 30 28 26 39 52 60 61 47 43 40 35 42 51 54 53  
DEWPT 31 31 30 30 29 26 25 28 28 28 27 30 28 29 31 34 31 29 27  
RH 73 62 62 82 96 92 96 64 39 29 27 51 55 64 85 73 46 38 36  
WIND DIR N NW N N N NW W W SW SW S S SW NW NW N N N N  
WIND SPD 18 16 12 8 4 3 4 5 6 8 9 11 11 16 18 19 20 17 16  
WIND GUST 29 29 27 33 34 31 27  
CLOUDS OV B2 B2 B2 SC FW FW FW CL CL CL FW SC SC B1 B2 B1 SC FW  
POP 12HR 20 5 0 5 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S  
RAIN SHWRS S S  
SNOW  
SNOWSHWRS  
WIND CHILL 29 34 34 28 20 37 32 25 33  
MIN CHILL 16 27 22 17 20 32 21 22  
 
DATE FRI 04/27/18 SAT 04/28/18 SUN 04/29/18 MON 04/30/18  
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 68 36 74 40 71 39 67  
TEMP 36 31 60 65 45 39 69 69 50 41 67 67 49 40 65 60  
DEWPT 26 26 31 30 30 29 36 34 34 32 33 33 34 32 31 31  
PWIND DIR W SW S S S SW SW W  
WIND CHAR LT LT GN GN GN GN GN GN  
AVG CLOUDS FW CL CL CL CL CL FW FW SC SC SC SC B1 B1 SC SC  
POP 12HR 0 0 0 0 5 5 10 10  
RAIN SHWRS S  
TSTMS S  
 

 
NEZ021-242300-  
MORRILL-  
INCLUDING THE CITIES OF ANGORA, BRIDGEPORT, BAYARD, AND REDINGTON  
927 AM MDT TUE APR 24 2018  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18  
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 28 63 38 56  
TEMP 40 44 42 36 32 30 28 40 52 60 61 47 43 40 38 44 53 56 54  
DEWPT 32 31 30 30 28 27 26 29 29 29 30 32 31 31 33 35 32 29 28  
RH 73 60 62 79 85 88 92 64 41 31 31 56 62 70 82 70 44 35 36  
WIND DIR N N N N NW NW NW W SW SW S S S W N N N N N  
WIND SPD 21 21 16 10 6 5 6 5 6 9 10 11 10 10 19 21 21 18 16  
WIND GUST 36 34 28 24 36 37 34 29  
CLOUDS OV B2 B2 B1 B1 SC SC FW CL CL CL FW SC SC B1 B2 B1 SC FW  
POP 12HR 20 10 0 0 10  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S  
RAIN SHWRS  
SNOW  
SNOWSHWRS  
WIND CHILL 30 35 33 28 25 24 21 37 33 28 35  
MIN CHILL 20 28 20 18 22 32 24 25  
 
DATE FRI 04/27/18 SAT 04/28/18 SUN 04/29/18 MON 04/30/18  
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 69 38 75 42 74 41 69  
TEMP 37 32 60 67 47 40 69 72 53 43 68 71 51 43 67 64  
DEWPT 28 27 32 32 32 31 38 38 37 35 34 35 38 36 35 34  
PWIND DIR N SW S S S S SW W  
WIND CHAR LT LT GN GN GN GN GN GN  
AVG CLOUDS FW CL CL CL CL CL CL FW SC SC SC FW SC B1 SC SC  
POP 12HR 0 0 0 0 0 0 10 10  
RAIN SHWRS S  
TSTMS S  
 

 
NEZ054-242300-  
KIMBALL-  
INCLUDING THE CITY OF KIMBALL  
927 AM MDT TUE APR 24 2018  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18  
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 24 61 34 54  
TEMP 39 43 42 35 29 27 25 38 50 58 59 43 39 37 35 42 49 52 53  
DEWPT 31 30 29 30 28 26 25 28 27 27 26 29 28 28 30 34 31 29 26  
RH 73 60 60 82 96 96100 67 41 30 28 57 64 70 82 73 50 41 35  
WIND DIR N N N N N NW W W SW SW S S SW NW N N N N N  
WIND SPD 20 17 14 10 5 5 5 5 6 8 10 10 10 14 23 23 23 18 18  
WIND GUST 32 28 25 25 37 39 28  
CLOUDS OV B2 B2 B1 SC SC FW FW CL CL CL CL FW SC B1 B2 B1 SC FW  
POP 12HR 30 5 0 0 10  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S  
RAIN SHWRS  
SNOW  
SNOWSHWRS  
WIND CHILL 28 33 34 27 23 21 18 32 27 23 33  
MIN CHILL 16 27 20 16 19 30 21 22  
 
DATE FRI 04/27/18 SAT 04/28/18 SUN 04/29/18 MON 04/30/18  
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 66 35 73 40 70 38 66  
TEMP 35 30 59 64 44 38 68 69 50 41 66 66 47 40 63 60  
DEWPT 26 26 30 29 29 29 34 33 33 32 32 31 34 32 30 30  
PWIND DIR NW SW S S S SW W W  
WIND CHAR LT GN GN GN GN GN GN GN  
AVG CLOUDS FW CL CL CL CL CL FW FW SC SC SC FW B1 SC SC SC  
POP 12HR 0 0 0 0 5 5 10 10  
RAIN SHWRS S  
TSTMS S  
 

 
NEZ055-242300-  
CHEYENNE-  
INCLUDING THE CITIES OF BROWNSON AND SIDNEY  
927 AM MDT TUE APR 24 2018  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18  
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 26 60 36 55  
TEMP 40 43 42 35 30 28 27 39 50 57 59 44 40 37 37 43 51 53 53  
DEWPT 32 31 30 29 28 27 25 29 29 30 29 31 30 30 31 34 32 30 28  
RH 73 62 62 78 92 96 92 67 44 35 32 60 67 75 79 70 48 41 38  
WIND DIR N N N N NW NW NW NW SW SW S S SW W N N N N N  
WIND SPD 24 24 18 11 8 8 8 6 6 8 10 10 11 12 21 24 23 19 18  
WIND GUST 40 40 29 23 40 40 35 31  
CLOUDS B2 B2 B2 B1 B1 SC SC FW FW CL CL CL SC FW B1 B2 B1 SC FW  
POP 12HR 30 10 0 0 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S  
RAIN SHWRS  
SNOW  
SNOWSHWRS  
WIND CHILL 29 34 34 27 23 20 19 38 33 29 26 34  
MIN CHILL 19 27 20 16 20 30 22 24  
 
DATE FRI 04/27/18 SAT 04/28/18 SUN 04/29/18 MON 04/30/18  
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 67 36 73 41 73 40 68  
TEMP 36 31 58 65 44 39 67 70 51 42 67 70 49 42 65 64  
DEWPT 27 27 32 32 30 30 38 37 35 34 34 35 38 35 34 33  
PWIND DIR N SW S S S S SW W  
WIND CHAR LT GN GN GN GN GN GN GN  
AVG CLOUDS FW CL CL CL CL CL FW FW SC SC SC FW SC SC SC SC  
POP 12HR 0 0 0 0 0 0 5 10  
RAIN SHWRS S  
TSTMS S  
 

 
NEZ095-242300-  
NORTH SIOUX-  
INCLUDING THE CITY OF HARRISON  
927 AM MDT TUE APR 24 2018  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18  
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 42 45 25 61 65 68 37 51 55 59  
TEMP 37 42 39 34 29 28 26 40 54 62 63 48 44 40 37 44 52 55 53  
DEWPT 30 29 29 28 27 24 23 27 27 26 26 30 29 31 31 33 28 27 26  
RH 75 60 67 78 92 85 88 59 35 25 24 49 55 70 79 65 39 34 35  
WIND DIR N N NE NE S SW SW SW SW SW S S W NW NW N N N N  
WIND SPD 11 8 6 5 4 4 5 8 10 11 10 11 12 17 18 17 18 14 14  
WIND GUST 23 23 25 33 32 31 28  
CLOUDS OV B2 B2 B1 SC FW FW CL CL CL FW FW SC B2 B2 B1 SC SC FW  
POP 12HR 40 10 0 10 10  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S  
RAIN SHWRS S S  
SNOW S  
SNOWSHWRS  
WIND CHILL 31 34 31 28 22 19 37 31 27 36  
MIN CHILL 17 26 20 16 19 33 23 24  
 
DATE FRI 04/27/18 SAT 04/28/18 SUN 04/29/18 MON 04/30/18  
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 68 39 75 44 72 40 65  
TEMP 36 31 62 65 47 41 71 71 53 45 69 68 50 42 63 57  
DEWPT 27 26 29 30 31 29 34 33 35 33 32 32 34 32 32 32  
PWIND DIR W SW S S S SW W W  
WIND CHAR LT LT GN GN GN GN GN GN  
AVG CLOUDS FW CL CL CL CL CL CL FW SC SC SC SC B1 B1 SC B1  
POP 12HR 0 0 0 0 5 10 10 20  
RAIN SHWRS S  
 

 
NEZ096-242300-  
SOUTH SIOUX-  
INCLUDING THE CITY OF AGATE  
927 AM MDT TUE APR 24 2018  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18  
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 42 47 26 62 64 68 37 53 56 59  
TEMP 38 42 40 34 30 29 27 39 53 62 62 48 42 40 37 44 51 55 54  
DEWPT 30 29 29 28 28 25 24 27 26 26 27 30 28 30 31 33 29 27 25  
RH 73 60 64 78 92 85 88 62 35 25 26 49 57 67 79 65 42 34 32  
WIND DIR N N N N N NW W SW SW SW S S SW N N N N N N  
WIND SPD 17 12 10 8 4 4 4 6 9 10 11 11 9 18 19 18 19 16 14  
WIND GUST 29 26 31 33 31  
CLOUDS OV B2 B2 B1 SC FW FW FW CL CL FW FW SC B1 B2 B2 B1 SC FW  
POP 12HR 30 10 0 5 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S  
RAIN SHWRS S S  
SNOW  
SNOWSHWRS  
WIND CHILL 30 34 32 27 21 31 27 36  
MIN CHILL 20 27 20 17 21 35 24 26  
 
DATE FRI 04/27/18 SAT 04/28/18 SUN 04/29/18 MON 04/30/18  
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 68 38 75 42 72 40 67  
TEMP 36 31 61 66 46 40 70 71 51 43 67 69 49 42 65 60  
DEWPT 26 26 29 29 31 29 34 34 35 32 31 32 33 32 30 31  
PWIND DIR E SW S S S SW SW W  
WIND CHAR LT LT GN GN GN GN GN GN  
AVG CLOUDS FW CL CL CL CL CL CL FW SC SC SC SC B1 B1 SC SC  
POP 12HR 0 0 0 0 10 5 5 20  
RAIN SHWRS S S  
TSTMS S S  
 

 
WYZ101-242300-  
CONVERSE COUNTY LOWER ELEVATIONS-  
INCLUDING THE CITIES OF BILL, DOUGLAS, DEER CREEK, AND GLENROCK  
927 AM MDT TUE APR 24 2018  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18  
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 43 46 22 25 28 66 69 72 33 36 39 51 56 59  
TEMP 38 43 43 36 31 28 27 43 58 66 67 51 45 41 37 41 49 54 55  
DEWPT 26 25 25 25 24 23 22 24 22 21 21 26 30 32 31 32 28 26 24  
RH 62 49 49 64 75 81 81 47 25 18 17 37 55 70 79 70 44 34 30  
WIND DIR N N N NE S SW SW SW SW SW W NW N N N N N N N  
WIND SPD 13 11 11 5 4 5 6 10 13 13 13 11 14 17 16 14 14 11 11  
WIND GUST 25 21 21 19 25 28 27 25 25 29 31 27 26 25  
CLOUDS B2 B2 B1 SC FW CL CL CL CL CL FW FW B1 B2 B2 B1 B1 FW FW  
POP 12HR 20 5 0 20 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S  
RAIN SHWRS S S S S  
SNOW  
SNOWSHWRS S  
WIND CHILL 30 36 36 22 19 37 38 32 27 33  
MIN CHILL 17 27 20 15 19 32 22 22 39  
 
DATE FRI 04/27/18 SAT 04/28/18 SUN 04/29/18 MON 04/30/18  
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 71 39 76 42 69 38 62  
TEMP 38 32 63 69 48 41 71 73 53 43 66 65 48 39 60 57  
DEWPT 26 25 26 25 29 27 28 28 31 29 29 27 31 30 29 29  
PWIND DIR S SW S SW S SW SW SW  
WIND CHAR LT GN GN GN GN BZ GN GN  
AVG CLOUDS FW CL CL CL CL CL CL FW B1 SC SC SC B1 SC SC SC  
POP 12HR 0 0 0 5 10 5 5 10  
RAIN SHWRS S  
TSTMS S  
 

 
WYZ102-242300-  
NIOBRARA COUNTY-  
INCLUDING THE CITIES OF LUSK AND REDBIRD  
927 AM MDT TUE APR 24 2018  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18  
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 44 47 26 63 67 70 34 37 40 51 56 59  
TEMP 39 44 42 36 32 29 27 42 56 64 65 51 45 41 37 44 51 55 54  
DEWPT 27 27 27 27 26 24 23 26 25 25 25 28 29 33 31 32 27 26 25  
RH 62 51 55 69 78 81 85 53 30 22 22 41 53 73 79 62 39 32 32  
WIND DIR N N N NE S SW SW SW SW SW SW SW NW NW NW N N N N  
WIND SPD 13 12 11 5 4 4 5 6 10 10 10 9 13 19 17 18 18 14 14  
WIND GUST 26 23 23 20 24 35 32 31  
CLOUDS B2 B2 B1 SC FW FW FW CL CL CL FW FW SC B2 B1 B1 SC FW FW  
POP 12HR 20 5 0 10 10  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S  
RAIN SHWRS S S  
SNOW  
SNOWSHWRS  
WIND CHILL 32 37 35 21 39 32 28 35  
MIN CHILL 14 25 20 16 20 33 22 23  
 
DATE FRI 04/27/18 SAT 04/28/18 SUN 04/29/18 MON 04/30/18  
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 69 39 76 44 71 40 64  
TEMP 39 32 62 66 49 42 71 72 54 45 68 67 50 41 62 57  
DEWPT 27 26 28 28 30 29 32 31 34 31 31 30 33 31 31 31  
PWIND DIR SW SW S S S SW W W  
WIND CHAR LT LT GN GN GN GN GN GN  
AVG CLOUDS FW CL CL CL CL CL CL FW SC SC SC SC B1 B1 SC B1  
POP 12HR 0 0 0 5 10 5 5 10  
RAIN SHWRS S S  
TSTMS S S  
 

 
WYZ103-242300-  
NORTH LARAMIE RANGE-  
INCLUDING THE CITY OF GARRETT  
927 AM MDT TUE APR 24 2018  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18  
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 28 37 43 19 23 27 51 62 70 26 32 38 40 49 57  
TEMP 32 37 36 30 26 25 24 39 53 60 60 47 41 36 32 36 42 47 48  
DEWPT 22 22 23 23 22 20 17 19 19 18 17 19 23 28 28 28 27 25 23  
RH 66 54 59 75 85 81 74 44 26 19 18 32 48 72 85 72 55 42 37  
WIND DIR N N N N NW SW W SW SW W W W NW N N N N N N  
WIND SPD 12 11 11 6 3 4 6 8 10 12 13 12 12 16 16 14 13 11 10  
WIND GUST 23 23 23 23 25 27 27 34 29 27 25  
CLOUDS B2 B2 B1 SC FW CL CL CL CL CL FW FW SC B1 B2 B2 B1 SC FW  
POP 12HR 30 5 0 30 30  
QPF 12HR 0.00-0.12 0 0 0.00-0.08 0.00-0.08  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S  
RAIN SHWRS S S S S  
SNOW S S  
SNOWSHWRS C C C C  
WIND CHILL 23 28 27 23 18 16 33 26 22 27 35  
MIN CHILL 6 12 11 11 15 25 11 11 22  
 
DATE FRI 04/27/18 SAT 04/28/18 SUN 04/29/18 MON 04/30/18  
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 64 37 69 38 62 35 56  
TEMP 34 30 57 61 44 39 64 65 48 38 59 58 43 36 54 51  
DEWPT 22 21 22 22 24 24 26 26 27 25 25 26 27 24 24 25  
PWIND DIR W SW SW SW SW SW SW SW  
WIND CHAR LT LT LT GN GN BZ GN BZ  
AVG CLOUDS FW CL CL CL CL CL FW SC B1 SC SC SC B1 SC SC SC  
POP 12HR 0 0 0 5 20 10 10 10  
RAIN SHWRS S S S S S  
TSTMS S S  
 

 
WYZ104-242300-  
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-  
INCLUDING THE CITY OF SEMINOE DAM  
927 AM MDT TUE APR 24 2018  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18  
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 32 41 47 20 23 26 54 64 69 27 32 37 43 52 58  
TEMP 35 41 40 32 28 26 24 38 53 62 62 49 42 37 32 36 43 50 51  
DEWPT 21 20 19 19 19 19 17 20 17 14 12 18 22 27 27 28 27 24 22  
RH 56 42 42 58 68 74 74 48 24 15 14 29 44 67 81 72 53 36 32  
WIND DIR NE NE N NE E SW SW SW SW SW W W N N N NE N N N  
WIND SPD 12 13 10 6 4 4 6 9 13 14 17 12 10 11 11 11 9 8 6  
WIND GUST 27 26 23 28 25 21  
CLOUDS B1 B1 SC FW CL CL CL CL CL CL FW FW SC B1 B2 B2 B1 FW FW  
POP 12HR 20 0 0 30 30  
QPF 12HR 0.00-0.06 0 0 0.00-0.07 0.00-0.08  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C  
SNOW  
SNOWSHWRS C C C C  
WIND CHILL 26 33 33 25 16 32 36 29 23 28  
MIN CHILL 6 15 12 11 15 30 14 15 30  
 
DATE FRI 04/27/18 SAT 04/28/18 SUN 04/29/18 MON 04/30/18  
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 66 36 70 38 62 34 57  
TEMP 36 30 58 64 45 38 65 67 48 38 59 59 44 35 55 54  
DEWPT 23 21 20 16 22 23 24 22 27 26 25 23 26 24 23 22  
PWIND DIR SE SW SW SW SW SW SW SW  
WIND CHAR LT LT LT GN GN BZ GN BZ  
AVG CLOUDS FW CL CL CL CL FW FW SC B1 SC SC SC B1 SC SC B1  
POP 12HR 0 0 0 0 10 10 10 10  
RAIN SHWRS S S  
 

 
WYZ105-242300-  
SHIRLEY BASIN-  
INCLUDING THE CITIES OF MEDICINE BOW AND SHIRLEY BASIN  
927 AM MDT TUE APR 24 2018  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18  
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 37 41 43 22 63 31 48 52 54  
TEMP 35 41 39 31 27 25 23 37 54 62 62 46 39 35 31 37 44 50 51  
DEWPT 21 21 20 21 20 20 18 19 17 15 14 19 22 26 26 27 25 24 22  
RH 56 44 46 66 74 81 81 48 23 16 15 34 50 69 81 67 47 36 32  
WIND DIR NE N N NE NE SW SW SW SW W W W NW N N N N N N  
WIND SPD 11 11 10 6 3 3 4 8 12 13 16 10 9 11 12 12 11 10 9  
WIND GUST 21 21 23  
CLOUDS B2 B2 B1 SC FW CL CL CL CL CL FW FW SC B1 B1 B2 B1 SC FW  
POP 12HR 20 0 0 20 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S  
RAIN SHWRS S S  
SNOW S  
SNOWSHWRS C C S S  
WIND CHILL 27 33 31 24 16 31 33 27 22 29 38  
MIN CHILL 15 25 18 13 15 29 19 19 36  
 
DATE FRI 04/27/18 SAT 04/28/18 SUN 04/29/18 MON 04/30/18  
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 66 34 69 36 63 33 58  
TEMP 34 28 58 63 43 36 64 65 45 37 60 59 42 35 56 52  
DEWPT 23 21 20 18 24 24 24 24 28 26 25 25 26 24 23 23  
PWIND DIR SE SW SW SW SW SW SW SW  
WIND CHAR LT LT LT GN GN BZ GN BZ  
AVG CLOUDS FW CL CL CL CL CL FW SC B2 SC SC SC B1 SC SC SC  
POP 12HR 0 0 0 5 10 10 10 10  
RAIN SHWRS S S S S S  
TSTMS S S S  
 

 
WYZ106-242300-  
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-  
INCLUDING THE CITY OF BORDEAUX  
927 AM MDT TUE APR 24 2018  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18  
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 36 41 46 25 60 66 71 32 35 38 49 54 59  
TEMP 36 41 40 34 30 27 25 41 55 64 64 49 43 39 35 39 46 52 53  
DEWPT 25 24 25 25 25 23 21 22 21 18 18 22 22 27 29 30 27 25 23  
RH 64 50 55 69 81 85 84 46 26 17 17 34 43 62 78 70 47 35 31  
WIND DIR N N N N NW SW W W W W W W NW N N N N N N  
WIND SPD 14 13 11 8 3 4 6 8 9 9 11 10 13 14 16 16 17 13 12  
WIND GUST 21 19 24 23 25 29 29 29 27  
CLOUDS B2 B2 B1 B1 SC FW CL CL CL CL FW FW FW B1 B1 B2 B1 SC FW  
POP 12HR 20 5 0 10 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S  
RAIN SHWRS S S S S  
SNOW S  
SNOWSHWRS S S S  
WIND CHILL 26 33 31 28 18 37 30 26 31  
MIN CHILL 13 22 19 13 17 31 20 20 35  
 
DATE FRI 04/27/18 SAT 04/28/18 SUN 04/29/18 MON 04/30/18  
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 67 38 72 39 67 37 61  
TEMP 36 31 60 65 46 40 68 68 50 40 63 63 46 38 59 56  
DEWPT 24 24 24 24 27 26 27 28 30 29 26 27 29 26 25 27  
PWIND DIR W SW S SW S SW SW SW  
WIND CHAR LT LT LT GN GN GN GN GN  
AVG CLOUDS FW CL CL CL FW CL FW SC B1 SC SC SC B1 B1 SC SC  
POP 12HR 0 0 0 10 20 10 10 10  
RAIN SHWRS S S S  
TSTMS S S S  
 

 
WYZ107-242300-  
EAST PLATTE COUNTY-  
INCLUDING THE CITIES OF WHEATLAND AND GUERNSEY  
927 AM MDT TUE APR 24 2018  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18  
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 44 46 26 65 68 71 37 53 57 59  
TEMP 39 44 42 37 32 29 26 41 56 66 67 52 44 40 37 42 50 55 55  
DEWPT 27 27 27 27 27 25 24 25 24 22 23 26 26 31 31 32 28 26 24  
RH 62 51 55 67 81 85 92 52 29 18 19 36 49 70 79 67 42 32 30  
WIND DIR N N N N N SW SW S S S SW S NW NW N N N N N  
WIND SPD 16 13 13 8 3 3 4 6 9 9 9 8 12 18 17 17 18 14 13  
WIND GUST 23 32 32 31 28  
CLOUDS B2 B2 B1 SC FW FW FW CL CL CL FW FW FW B1 B1 B2 B1 FW FW  
POP 12HR 20 5 0 10 10  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S  
RAIN SHWRS S S  
SNOW  
SNOWSHWRS  
WIND CHILL 29 36 34 31 20 38 31 28 33  
MIN CHILL 16 27 24 17 22 33 24 24  
 
DATE FRI 04/27/18 SAT 04/28/18 SUN 04/29/18 MON 04/30/18  
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 70 38 75 41 70 38 65  
TEMP 38 32 62 68 48 40 70 71 52 42 66 67 48 40 62 59  
DEWPT 26 25 27 27 29 28 30 31 32 30 29 29 32 29 28 29  
PWIND DIR W S S SW S SW SW SW  
WIND CHAR LT LT GN LT GN GN GN GN  
AVG CLOUDS FW CL CL CL CL CL CL FW B1 SC SC SC B1 B1 SC SC  
POP 12HR 0 0 0 5 20 5 5 10  
RAIN SHWRS S S  
TSTMS S S  
 

 
WYZ108-242300-  
GOSHEN COUNTY-  
INCLUDING THE CITY OF TORRINGTON  
927 AM MDT TUE APR 24 2018  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18  
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 44 47 26 63 67 70 37 51 57 61  
TEMP 40 44 43 37 32 29 27 40 55 65 65 50 44 40 37 43 52 56 55  
DEWPT 28 28 28 28 28 25 25 27 26 25 26 29 27 30 31 32 29 27 25  
RH 62 53 55 70 85 85 92 59 32 22 23 44 51 67 79 65 41 32 31  
WIND DIR N N N N NE W SW SW SW S S S W NW NW N N N N  
WIND SPD 16 12 11 8 3 3 4 5 8 9 9 10 10 18 18 18 19 16 14  
WIND GUST 23 23 24 23 35 33 32 29 26  
CLOUDS B2 B2 B2 B1 SC FW FW CL CL CL FW FW FW B1 B2 B2 SC SC FW  
POP 12HR 20 5 0 5 10  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S  
RAIN SHWRS S S  
SNOW  
SNOWSHWRS  
WIND CHILL 31 37 35 31 38 31 27 35  
MIN CHILL 15 26 23 17 21 33 22 23  
 
DATE FRI 04/27/18 SAT 04/28/18 SUN 04/29/18 MON 04/30/18  
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 70 38 76 41 72 39 67  
TEMP 37 32 62 68 47 40 71 72 52 42 67 68 50 40 64 60  
DEWPT 26 26 29 29 31 29 33 32 35 32 30 30 33 30 29 30  
PWIND DIR SW S S S S W SW W  
WIND CHAR LT LT GN LT GN GN GN GN  
AVG CLOUDS FW CL CL CL CL CL CL FW B1 SC SC SC B1 B1 SC SC  
POP 12HR 0 0 0 5 5 5 5 10  
RAIN SHWRS S  
TSTMS S  
 

 
WYZ109-242300-  
CENTRAL CARBON COUNTY-  
INCLUDING THE CITY OF RAWLINS  
927 AM MDT TUE APR 24 2018  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18  
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 43 46 22 56 63 67 29 32 36 48 53 57  
TEMP 37 43 42 33 28 26 23 38 53 61 61 48 42 37 32 37 45 52 52  
DEWPT 21 19 18 19 19 19 18 19 16 12 9 17 20 24 27 27 26 22 19  
RH 52 38 37 56 68 74 81 46 23 14 12 29 41 59 81 67 47 31 27  
WIND DIR NE NE NE NE NE SE S SW SW SW SW W W N NE NE NE NE NE  
WIND SPD 13 14 11 9 5 4 4 8 11 14 16 11 10 10 11 11 11 10 9  
WIND GUST 25 25 21 19 26 23 20 24 23 21  
CLOUDS B1 SC SC FW CL CL CL CL CL CL FW FW SC SC B1 B2 SC FW FW  
POP 12HR 10 0 0 10 10  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S  
SNOWSHWRS S S S  
WIND CHILL 28 35 35 26 22 20 16 32 36 29 24 29 39  
MIN CHILL 10 23 16 11 15 31 19 19 34  
 
DATE FRI 04/27/18 SAT 04/28/18 SUN 04/29/18 MON 04/30/18  
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 66 37 70 38 62 35 57  
TEMP 36 30 58 64 45 39 65 66 47 39 58 59 43 36 55 53  
DEWPT 23 21 19 14 22 22 24 21 27 26 24 22 25 24 22 21  
PWIND DIR E SW S SW SW SW S SW  
WIND CHAR LT LT GN GN GN BZ GN BZ  
AVG CLOUDS FW CL CL CL FW FW FW SC B1 SC SC B1 B1 SC SC B1  
POP 12HR 0 0 0 0 10 10 5 10  
RAIN SHWRS S  
 

 
WYZ110-242300-  
NORTH SNOWY RANGE FOOTHILLS-  
INCLUDING THE CITIES OF ARLINGTON AND ELK MOUNTAIN  
927 AM MDT TUE APR 24 2018  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18  
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 35 40 44 22 55 61 64 31 45 51 54  
TEMP 35 40 39 32 27 25 23 38 52 60 59 45 41 35 31 35 42 49 50  
DEWPT 22 21 20 21 20 19 17 18 16 14 12 18 20 22 25 26 25 23 21  
RH 59 46 46 63 74 78 77 44 24 16 15 33 42 59 78 69 50 36 31  
WIND DIR NE NE N NE E S SW SW W W W W W NW N N N N N  
WIND SPD 10 12 9 6 4 4 5 6 9 11 16 11 11 9 10 10 11 9 9  
WIND GUST 21 23 21  
CLOUDS B2 B2 B1 SC FW CL CL CL CL CL FW FW FW SC B1 B2 B1 SC FW  
POP 12HR 20 5 0 10 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S  
RAIN SHWRS S  
SNOW S  
SNOWSHWRS S S S S  
WIND CHILL 26 33 32 25 21 19 16 34 28 23 28 36  
MIN CHILL 13 23 16 12 15 28 18 19 33  
 
DATE FRI 04/27/18 SAT 04/28/18 SUN 04/29/18 MON 04/30/18  
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 64 35 67 36 61 33 56  
TEMP 33 28 57 61 43 37 63 63 45 37 57 57 41 34 54 51  
DEWPT 22 21 20 19 23 23 24 23 28 25 24 24 25 23 22 23  
PWIND DIR SE W SW SW SW SW SW SW  
WIND CHAR LT LT LT GN GN BZ GN BZ  
AVG CLOUDS FW CL CL CL FW CL FW SC B2 B1 SC B1 B1 SC SC B1  
POP 12HR 0 0 0 10 20 10 10 10  
RAIN SHWRS S S S S S  
TSTMS S S  
 

 
WYZ111-242300-  
SOUTHWEST CARBON COUNTY-  
INCLUDING THE CITY OF BAGGS  
927 AM MDT TUE APR 24 2018  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18  
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 49 54 19 22 25 61 64 67 27 31 34 53 58 62  
TEMP 43 49 48 37 29 25 22 39 53 61 62 47 41 35 31 38 48 56 56  
DEWPT 21 18 17 19 19 18 17 18 17 13 10 17 19 23 26 28 25 20 18  
RH 41 29 29 48 66 74 81 42 24 15 13 30 41 61 81 67 40 24 22  
WIND DIR NE N NE NE NE NE E S SW SW SW SW W NW NE NE NE NE NE  
WIND SPD 14 17 14 12 9 6 4 5 9 11 13 9 8 5 12 13 12 11 12  
WIND GUST 26 25 19 16 23  
CLOUDS SC SC FW FW CL CL CL CL CL CL CL FW SC FW SC B1 SC FW FW  
POP 12HR 5 0 0 5 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL 32 28 20 18 16 22 30  
MIN CHILL 15 30 17 12 17 29 16 17  
 
DATE FRI 04/27/18 SAT 04/28/18 SUN 04/29/18 MON 04/30/18  
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 67 37 70 38 63 35 59  
TEMP 36 28 58 65 45 39 65 66 48 38 58 61 44 36 56 55  
DEWPT 22 21 21 14 20 23 24 22 27 27 24 22 25 24 22 20  
PWIND DIR NE S S S S SW S SW  
WIND CHAR LT LT GN GN GN BZ GN BZ  
AVG CLOUDS CL CL CL FW FW FW FW SC B1 SC SC B1 B1 SC SC SC  
POP 12HR 0 0 0 0 10 10 5 5  
RAIN SHWRS S  
 

 
WYZ112-242300-  
SIERRA MADRE RANGE-  
927 AM MDT TUE APR 24 2018  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18  
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 30 42 51 18 22 25 45 56 63 24 30 33 39 50 58  
TEMP 35 42 39 30 26 25 23 38 50 55 53 42 38 34 30 36 43 49 48  
DEWPT 20 20 20 19 18 16 15 17 18 18 16 17 16 20 23 25 24 22 20  
RH 54 41 46 63 71 68 71 42 28 23 23 36 40 56 75 64 47 34 33  
WIND DIR NE N N NE NE E SE S SW W SW SW SW NW NE NE NE NE NE  
WIND SPD 11 13 13 9 6 4 3 3 5 9 11 9 8 6 10 9 9 9 9  
WIND GUST 25 25 19 23 23 18 21 21  
CLOUDS SC SC SC FW CL CL CL CL CL CL CL CL FW FW SC B1 SC FW FW  
POP 12HR 10 0 0 10 10  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
SNOW  
SNOWSHWRS S S  
WIND CHILL 28 35 32 22 19 19 21 29  
MIN CHILL 7 16 8 12 17 37 25 12 12 26  
 
DATE FRI 04/27/18 SAT 04/28/18 SUN 04/29/18 MON 04/30/18  
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 59 36 62 35 56 34 52  
TEMP 33 29 53 56 41 38 59 58 43 36 52 54 40 35 50 48  
DEWPT 20 18 20 20 21 21 25 26 26 24 25 24 22 22 22 22  
PWIND DIR E SW S SW SW SW S SW  
WIND CHAR LT LT LT GN GN GN GN BZ  
AVG CLOUDS FW CL CL FW FW FW FW SC B2 B1 SC B1 B1 SC SC B1  
POP 12HR 0 0 0 5 20 10 10 10  
RAIN SHWRS S S  
SNOWSHWRS S  
 

 
WYZ113-242300-  
UPPER NORTH PLATTE RIVER BASIN-  
INCLUDING THE CITIES OF SARATOGA AND ENCAMPMENT  
927 AM MDT TUE APR 24 2018  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18  
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 23 55 62 65 32 48 54 56  
TEMP 38 45 42 34 28 25 23 39 54 61 60 45 39 35 32 37 46 52 52  
DEWPT 22 21 20 20 19 19 17 19 16 15 14 19 19 21 25 27 25 22 21  
RH 52 38 41 56 68 78 77 44 22 16 16 35 44 56 75 67 43 31 29  
WIND DIR NE N N NE NE S S S SW W W SW SW NW N N N N N  
WIND SPD 10 13 11 6 4 3 4 5 6 10 13 8 8 6 9 8 9 9 9  
CLOUDS B1 B1 SC FW FW CL CL CL CL CL CL FW FW SC B1 B2 SC FW FW  
POP 12HR 10 0 0 10 10  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
SNOWSHWRS S S  
WIND CHILL 30 38 36 27 17 33 29 24 31  
MIN CHILL 16 29 19 13 17 28 21 22 39  
 
DATE FRI 04/27/18 SAT 04/28/18 SUN 04/29/18 MON 04/30/18  
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 65 36 68 36 61 35 57  
TEMP 35 30 59 62 43 39 65 63 45 37 58 58 42 36 55 52  
DEWPT 22 20 20 20 24 23 25 26 28 26 25 24 25 23 23 23  
PWIND DIR E SW S SW SW SW S SW  
WIND CHAR LT LT LT GN GN GN GN BZ  
AVG CLOUDS FW CL CL FW FW FW FW SC B2 B1 SC B1 B1 SC SC SC  
POP 12HR 0 0 0 5 20 10 5 10  
RAIN SHWRS S  
 

 
WYZ114-242300-  
SNOWY RANGE-  
INCLUDING THE CITIES OF CENTENNIAL AND ALBANY  
927 AM MDT TUE APR 24 2018  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18  
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 25 36 45 15 20 23 42 54 62 21 27 33 35 46 53  
TEMP 29 36 34 27 23 22 21 36 49 54 52 41 36 32 27 33 40 45 45  
DEWPT 19 19 19 19 18 15 13 16 14 12 13 15 16 17 21 24 24 21 20  
RH 66 50 54 71 81 74 71 43 24 18 21 34 43 53 78 69 52 38 36  
WIND DIR NE NE N NE E S SW SW SW W W W W NW N N N N N  
WIND SPD 9 11 9 6 4 3 4 4 6 8 12 10 11 9 9 8 9 8 8  
WIND GUST 19 25 27 27 19 19  
CLOUDS B2 B2 B1 SC FW CL CL CL CL CL FW FW FW SC B1 B2 B1 SC FW  
POP 12HR 30 10 0 20 30  
QPF 12HR 0.00-0.11 0 0 0 0.00-0.06  
SNOW 12HR T 00-00 00-00  
RAIN S  
SNOW S S  
SNOWSHWRS S S C C  
WIND CHILL 23 28 26 20 16 15 34 28 25 18 26 34  
MIN CHILL 8 12 6 6 12 33 18 7 9 24  
 
DATE FRI 04/27/18 SAT 04/28/18 SUN 04/29/18 MON 04/30/18  
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 58 33 61 33 55 31 50  
TEMP 29 27 52 55 39 35 58 56 41 34 52 52 37 32 49 46  
DEWPT 19 16 17 19 21 20 23 24 24 21 22 22 22 20 20 22  
PWIND DIR SE SW SW SW SW SW SW SW  
WIND CHAR LT LT LT GN GN BZ GN BZ  
AVG CLOUDS FW CL CL FW FW FW FW SC B2 B1 SC B1 B1 SC SC B1  
POP 12HR 0 0 0 20 20 20 10 20  
RAIN SHWRS S S S S S S  
SNOWSHWRS S S S S  
TSTMS S S  
 

 
WYZ115-242300-  
LARAMIE VALLEY-  
INCLUDING THE CITIES OF BOSLER AND LARAMIE  
927 AM MDT TUE APR 24 2018  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18  
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 36 39 42 21 56 61 64 27 30 33 46 50 53  
TEMP 34 39 38 32 27 24 22 37 51 59 59 44 37 33 30 36 42 48 49  
DEWPT 22 22 22 23 22 20 18 19 16 14 14 20 20 22 24 27 25 23 21  
RH 61 50 52 69 81 84 84 48 24 17 17 38 50 63 78 69 50 37 33  
WIND DIR NE NE N NE NE SW SW SW W W W W W NW N N N N N  
WIND SPD 12 13 10 6 3 3 5 5 6 8 11 9 9 8 10 11 12 10 10  
WIND GUST 18 23 20  
CLOUDS B2 B2 B1 SC FW CL FW CL CL CL FW FW FW SC B1 B2 B1 SC FW  
POP 12HR 30 5 0 10 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S  
RAIN SHWRS S  
SNOW S  
SNOWSHWRS S S S S  
WIND CHILL 23 31 30 25 15 30 26 21 28 36  
MIN CHILL 11 20 19 12 17 26 19 20 33  
 
DATE FRI 04/27/18 SAT 04/28/18 SUN 04/29/18 MON 04/30/18  
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 64 34 67 35 62 33 57  
TEMP 32 27 57 61 42 36 63 62 44 36 58 58 41 34 55 52  
DEWPT 22 21 20 21 25 23 24 25 28 26 23 24 25 22 22 24  
PWIND DIR S SW S SW SW SW SW SW  
WIND CHAR LT LT LT GN GN GN GN BZ  
AVG CLOUDS FW CL CL FW FW FW FW SC B2 SC SC SC B1 SC FW B1  
POP 12HR 0 0 0 20 20 10 10 20  
RAIN SHWRS S S S S  
TSTMS S S S  
 

 
WYZ116-242300-  
SOUTH LARAMIE RANGE-  
INCLUDING THE CITIES OF BUFORD, PUMPKIN VINE, AND VEDAUWOO  
927 AM MDT TUE APR 24 2018  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18  
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 31 36 40 21 53 57 63 27 30 33 43 47 51  
TEMP 31 36 34 28 25 23 22 36 49 56 56 43 37 33 30 34 40 45 46  
DEWPT 22 22 22 23 22 20 19 19 18 15 15 21 20 22 26 27 25 23 22  
RH 69 56 61 81 88 88 88 50 29 19 19 41 50 63 85 75 55 41 38  
WIND DIR N N N N N W W W W W W SW W NW N N N N N  
WIND SPD 14 13 12 8 4 4 8 6 6 6 10 9 12 13 17 16 17 12 12  
WIND GUST 25 20 24 25 31 29  
CLOUDS B2 B2 B1 SC SC FW CL CL CL CL FW FW FW SC B1 B2 B1 SC FW  
POP 12HR 30 5 0 20 20  
QPF 12HR 0 0 0 0 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN S  
RAIN SHWRS S  
SNOW S S  
SNOWSHWRS S S S S  
WIND CHILL 18 25 25 21 17 13 30 37 29 24 19 24 31 39  
MIN CHILL 7 14 15 10 14 25 14 14 28  
 
DATE FRI 04/27/18 SAT 04/28/18 SUN 04/29/18 MON 04/30/18  
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 60 35 64 35 60 34 54  
TEMP 31 28 55 57 41 37 61 60 43 37 57 56 40 35 52 50  
DEWPT 22 21 20 22 24 22 24 25 27 25 22 23 25 22 21 23  
PWIND DIR W SW S SW S SW SW SW  
WIND CHAR LT LT GN GN GN BZ GN BZ  
AVG CLOUDS FW CL CL FW FW FW FW SC B2 SC SC SC B1 SC FW SC  
POP 12HR 5 0 0 10 20 20 20 20  
RAIN SHWRS S S S S S  
TSTMS S S S  
 

 
WYZ117-242300-  
SOUTH LARAMIE RANGE FOOTHILLS-  
INCLUDING THE CITIES OF WHITAKER, FEDERAL, AND HORSE CREEK  
927 AM MDT TUE APR 24 2018  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18  
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 22 57 62 66 32 49 52 55  
TEMP 34 39 38 32 27 25 24 40 53 60 60 43 38 35 32 38 45 50 50  
DEWPT 24 24 25 25 25 23 22 23 23 20 20 26 23 25 28 30 28 26 24  
RH 66 54 59 75 92 92 92 50 31 21 21 51 54 66 85 73 51 39 36  
WIND DIR N N N N N W W W SW SW SW SW W NW N N N N N  
WIND SPD 14 13 12 9 4 3 6 6 8 8 10 9 10 14 19 19 19 16 14  
WIND GUST 25 25 35 37 31  
CLOUDS B2 B2 B1 B1 SC FW FW CL CL CL FW FW FW SC B1 B2 B1 SC FW  
POP 12HR 30 5 0 10 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S  
RAIN SHWRS S  
SNOW S  
SNOWSHWRS S S  
WIND CHILL 23 30 29 24 16 30 25 20 28 37  
MIN CHILL 12 23 18 13 18 27 17 18 36  
 
DATE FRI 04/27/18 SAT 04/28/18 SUN 04/29/18 MON 04/30/18  
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 65 35 70 37 66 35 60  
TEMP 32 29 59 61 41 38 67 64 44 39 63 61 43 37 58 55  
DEWPT 24 23 24 25 26 25 27 28 29 27 25 26 29 24 25 26  
PWIND DIR NW SW S SW S SW W SW  
WIND CHAR LT LT GN GN GN GN GN GN  
AVG CLOUDS FW CL CL FW FW CL FW SC B1 SC SC SC B1 B1 FW SC  
POP 12HR 0 0 0 10 10 10 10 10  
RAIN SHWRS S S S S  
TSTMS S S S  
 

 
WYZ118-242300-  
CENTRAL LARAMIE COUNTY-  
INCLUDING THE CITY OF CHEYENNE  
927 AM MDT TUE APR 24 2018  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18  
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 41 24 60 63 66 34 53  
TEMP 36 41 40 34 29 26 25 40 52 60 61 45 39 36 34 40 47 52 52  
DEWPT 26 26 26 27 26 24 23 25 24 23 22 27 25 27 29 31 29 27 25  
RH 67 55 57 75 88 92 92 55 33 24 22 49 57 69 82 70 49 38 35  
WIND DIR N N N N N NW W W SW SW SW SW W NW N N N N N  
WIND SPD 16 14 12 9 4 4 5 6 8 9 10 11 10 17 20 21 21 18 17  
WIND GUST 26 25 21 27 36 37 32  
CLOUDS OV B2 B1 B1 SC FW FW CL CL CL CL CL FW SC B1 B2 B1 SC FW  
POP 12HR 30 5 0 5 10  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S  
RAIN SHWRS S S  
SNOW S  
SNOWSHWRS S  
WIND CHILL 25 31 31 26 20 18 39 32 27 22 30  
MIN CHILL 14 25 20 15 20 28 19 19 38  
 
DATE FRI 04/27/18 SAT 04/28/18 SUN 04/29/18 MON 04/30/18  
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 66 36 72 38 68 37 63  
TEMP 34 30 60 63 43 39 68 67 47 40 65 64 46 38 61 57  
DEWPT 25 24 26 26 27 27 29 29 30 28 27 27 30 27 26 27  
PWIND DIR NW S S SW S SW W SW  
WIND CHAR LT LT GN GN GN GN GN GN  
AVG CLOUDS FW CL CL CL FW CL FW FW B1 SC SC SC B1 B1 SC SC  
POP 12HR 0 0 0 5 5 10 10 10  
RAIN SHWRS S S S  
TSTMS S S S  
 

 
WYZ119-242300-  
EAST LARAMIE COUNTY-  
INCLUDING THE CITY OF PINE BLUFFS  
927 AM MDT TUE APR 24 2018  
 
DATE TUE 04/24/18 WED 04/25/18 THU 04/26/18  
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 42 24 62 34 54  
TEMP 37 42 42 34 30 27 25 39 52 60 60 44 40 37 35 41 49 52 52  
DEWPT 29 28 27 28 27 25 24 27 25 25 24 28 26 28 30 33 29 28 25  
RH 72 57 55 78 88 92 96 62 35 26 25 53 57 70 82 73 46 39 35  
WIND DIR N N N N N NW W W SW SW S S SW NW N N N N N  
WIND SPD 18 14 13 9 4 4 5 5 6 9 10 11 10 17 21 21 23 18 17  
WIND GUST 29 25 21 27 37 37 28  
CLOUDS OV B2 B1 B1 SC FW FW FW CL CL CL FW FW SC B1 B2 B1 SC FW  
POP 12HR 30 5 0 5 10  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S  
RAIN SHWRS S S  
SNOW  
SNOWSHWRS  
WIND CHILL 27 32 33 27 21 18 34 28 23 32  
MIN CHILL 16 26 22 16 20 30 21 22  
 
DATE FRI 04/27/18 SAT 04/28/18 SUN 04/29/18 MON 04/30/18  
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 67 36 73 39 70 37 65  
TEMP 35 30 60 64 44 38 69 68 49 40 66 65 47 39 63 58  
DEWPT 25 25 28 28 28 28 32 31 32 30 29 29 32 29 28 28  
PWIND DIR NW SW S S S SW W W  
WIND CHAR LT LT GN GN GN GN GN GN  
AVG CLOUDS FW CL CL CL CL CL FW FW B1 SC SC SC B1 B1 SC SC  
POP 12HR 0 0 0 0 5 5 10 10  
RAIN SHWRS S  
TSTMS S  
 

 
 
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