143  
FOUS55 KCYS 120942  
AFMCYS  
 
AREA FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHEYENNE WY  
242 AM MST TUE DEC 12 2017  
 
NEZ002-131100-  
DAWES-  
INCLUDING THE CITIES OF CHADRON AND CHADRON ST PARK  
242 AM MST TUE DEC 12 2017  
 
DATE MON 12/11/17 TUE 12/12/17 WED 12/13/17 THU  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 20 24 56 59 62 29 32 35 43 47 50 22 27 31  
TEMP 21 27 52 58 45 35 33 34 33 35 44 47 37 29 27 28 27  
DEWPT 15 16 18 19 20 19 18 17 18 20 20 19 19 19 20 20 21  
RH 77 63 26 22 36 52 53 49 53 54 38 32 48 66 74 71 78  
WIND DIR W W W W W W W NW NW NW NW NW NW NW NW NW NW  
WIND SPD 8 8 10 11 8 9 12 16 17 18 23 20 13 9 12 14 16  
WIND GUST 20 21 20 19 23 27 32 34 37 36 34 27 24 28 31 32  
CLOUDS FW FW FW FW CL CL FW FW SC FW FW SC SC SC B1 B1 B2  
POP 12HR 0 0 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL 12 19 28 24 24 22 24 35 39 28 20 17 17 15  
MIN CHILL 7 6 34 21 19 18 20 14 12  
 
DATE 12/14/17 FRI 12/15/17 SAT 12/16/17 SUN 12/17/17 MON 12/18/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 39 22 54 29 44 22 46 27 49  
TEMP 37 30 24 23 50 43 32 30 43 34 26 23 43 38 30 28 46 36  
DEWPT 20 17 16 15 17 18 18 21 23 20 20 17 19 19 18 20 22 19  
PWIND DIR NW NW W W NW NW W W W  
WIND CHAR BZ GN GN LT GN GN GN GN GN  
AVG CLOUDS B1 SC SC SC SC SC SC B1 B2 B2 B1 B1 SC SC SC SC SC SC  
POP 12HR 5 0 0 20 20 10 0 0 0  
RAIN SHWRS S S S  
SNOWSHWRS S S S  
 

 
NEZ003-131100-  
BOX BUTTE-  
INCLUDING THE CITY OF ALLIANCE  
242 AM MST TUE DEC 12 2017  
 
DATE MON 12/11/17 TUE 12/12/17 WED 12/13/17 THU  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 19 24 59 32 44 47 50 26  
TEMP 19 24 52 58 42 36 33 35 33 34 45 47 34 29 27 29 27  
DEWPT 13 15 16 18 18 18 17 16 16 19 18 17 17 18 19 19 20  
RH 77 68 24 21 37 47 51 45 49 54 33 30 49 63 71 66 74  
WIND DIR W W W W W W NW NW NW NW NW NW NW NW NW NW NW  
WIND SPD 5 5 9 10 8 8 9 14 17 17 24 21 13 10 12 13 14  
WIND GUST 26 27 27 36 33 24  
CLOUDS FW FW FW FW CL CL CL CL SC SC FW SC SC B1 B1 B1 B2  
POP 12HR 0 0 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL 11 17 29 26 26 22 24 36 39 25 20 16 18 15  
MIN CHILL 6 7 33 23 20 18 22 13 12  
 
DATE 12/14/17 FRI 12/15/17 SAT 12/16/17 SUN 12/17/17 MON 12/18/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 40 21 54 28 45 21 45 26 49  
TEMP 37 28 23 22 50 41 31 29 44 32 24 22 41 35 29 27 46 34  
DEWPT 19 16 15 14 16 16 16 19 22 18 19 17 18 18 18 19 21 19  
PWIND DIR NW NW W W NW NW W W W  
WIND CHAR BZ GN GN LT GN LT GN LT GN  
AVG CLOUDS B1 SC SC SC SC SC SC B1 B2 B1 B1 B1 SC SC SC SC SC SC  
POP 12HR 5 0 0 10 10 10 0 0 0  
SNOWSHWRS S  
 

 
NEZ019-131100-  
SCOTTS BLUFF-  
INCLUDING THE CITIES OF SCOTTSBLUFF AND GERING  
242 AM MST TUE DEC 12 2017  
 
DATE MON 12/11/17 TUE 12/12/17 WED 12/13/17 THU  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 23 28 62 32 46 50 52 25 27 31  
TEMP 24 27 54 61 48 39 37 37 33 33 46 50 40 33 32 32 29  
DEWPT 13 14 15 17 17 17 16 16 16 18 18 17 16 18 20 20 20  
RH 62 57 21 18 29 40 42 42 49 53 32 27 37 53 61 61 69  
WIND DIR W W W W W W W NW NW NW NW NW NW NW NW NW NW  
WIND SPD 4 5 10 11 8 9 8 12 12 14 21 20 12 9 10 12 12  
WIND GUST 14 16 20 23 19 19 20 26 26 29 34 32 21 24 23  
CLOUDS FW FW CL CL CL CL CL CL SC SC FW SC B1 B1 B1 SC B2  
POP 12HR 0 0 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL 18 20 31 29 24 23 38 33 26 23 22 18  
MIN CHILL 13 12 26 19 19 27 19 14  
 
DATE 12/14/17 FRI 12/15/17 SAT 12/16/17 SUN 12/17/17 MON 12/18/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 43 23 56 30 48 22 47 29 53  
TEMP 40 34 27 25 52 47 36 31 46 38 29 24 43 41 34 30 49 42  
DEWPT 20 16 16 15 15 16 15 19 24 20 20 18 19 19 19 20 23 21  
PWIND DIR NW NW W W NW NW W W W  
WIND CHAR BZ GN GN LT GN LT GN LT GN  
AVG CLOUDS B1 SC FW SC SC SC SC SC B1 B1 B1 B1 SC SC FW FW SC SC  
POP 12HR 5 0 0 10 20 0 0 0 0  
RAIN SHWRS S  
SNOWSHWRS S  
 

 
NEZ020-131100-  
BANNER-  
INCLUDING THE CITY OF HARRISBURG  
242 AM MST TUE DEC 12 2017  
 
DATE MON 12/11/17 TUE 12/12/17 WED 12/13/17 THU  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 23 26 60 32 45 47 51 24 26 30  
TEMP 24 26 54 60 45 37 36 36 33 33 45 47 36 30 29 29 27  
DEWPT 12 13 14 16 16 15 14 14 15 16 17 16 16 17 19 19 19  
RH 60 57 20 18 31 40 40 40 47 49 32 28 43 58 66 66 71  
WIND DIR W W NW NW W W W NW NW NW NW NW NW NW NW NW NW  
WIND SPD 6 9 13 14 10 10 10 13 14 18 26 24 14 10 12 13 13  
WIND GUST 17 24 25 20 25 28 32 43 37 25 23 26 26  
CLOUDS FW FW CL CL CL CL CL CL SC FW FW SC B1 B1 B1 SC B1  
POP 12HR 0 0 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL 16 18 30 28 27 22 22 35 39 27 21 19 18 16  
MIN CHILL 10 9 35 25 19 19 22 14 13  
 
DATE 12/14/17 FRI 12/15/17 SAT 12/16/17 SUN 12/17/17 MON 12/18/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 41 22 55 29 46 21 46 28 51  
TEMP 38 31 25 24 52 43 34 30 45 34 26 23 43 38 32 29 49 39  
DEWPT 18 15 15 13 14 14 14 17 21 19 19 17 18 18 18 20 22 20  
PWIND DIR NW NW NW W NW NW W W W  
WIND CHAR WY GN BZ GN BZ GN GN GN GN  
AVG CLOUDS B1 SC FW SC SC SC SC SC B1 B1 B1 B1 SC SC FW FW SC SC  
POP 12HR 5 0 0 5 10 5 0 0 0  
 

 
NEZ021-131100-  
MORRILL-  
INCLUDING THE CITIES OF ANGORA, BRIDGEPORT, BAYARD, AND REDINGTON  
242 AM MST TUE DEC 12 2017  
 
DATE MON 12/11/17 TUE 12/12/17 WED 12/13/17 THU  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 17 20 27 60 29 32 35 50 24 28 31  
TEMP 21 25 52 60 45 37 34 34 33 35 47 50 39 32 29 29 28  
DEWPT 14 15 15 17 17 18 18 17 17 20 18 17 17 18 20 21 21  
RH 74 65 23 18 32 46 51 49 51 54 31 27 40 56 69 72 75  
WIND DIR W W W W W W NW NW NW NW NW NW NW NW NW NW NW  
WIND SPD 6 8 11 12 9 10 10 16 17 19 26 24 14 11 12 14 16  
WIND GUST 24 19 21 23 29 32 35 43 37 26 25 28 27  
CLOUDS FW CL FW CL CL CL CL CL SC SC FW SC SC B1 B1 SC B1  
POP 12HR 0 0 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL 12 17 30 27 24 22 24 38 30 23 19 18 16  
MIN CHILL 8 6 37 22 18 18 25 15 12  
 
DATE 12/14/17 FRI 12/15/17 SAT 12/16/17 SUN 12/17/17 MON 12/18/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 43 23 56 29 48 23 47 28 52  
TEMP 40 32 25 23 51 44 33 30 46 36 26 23 43 39 31 29 48 39  
DEWPT 19 16 17 15 15 16 16 19 22 19 20 19 18 18 20 20 22 20  
PWIND DIR NW NW NW W NW NW W W W  
WIND CHAR WY GN GN GN GN GN GN GN GN  
AVG CLOUDS B1 SC FW SC SC SC FW SC B1 B1 B1 B1 SC SC FW FW SC SC  
POP 12HR 0 0 0 5 10 5 0 0 0  
 

 
NEZ054-131100-  
KIMBALL-  
INCLUDING THE CITY OF KIMBALL  
242 AM MST TUE DEC 12 2017  
 
DATE MON 12/11/17 TUE 12/12/17 WED 12/13/17 THU  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 61 32 48 25  
TEMP 21 24 55 61 45 36 35 35 33 34 46 48 35 28 27 27 25  
DEWPT 11 12 14 15 16 15 13 13 14 15 16 15 15 16 18 18 19  
RH 65 60 19 16 31 42 40 40 45 45 29 26 43 60 68 68 78  
WIND DIR W W NW NW W W NW NW NW NW NW NW NW NW NW NW NW  
WIND SPD 9 10 16 17 11 11 13 16 19 20 29 26 18 13 16 16 16  
WIND GUST 27 24 29 37 36 46 41 31 26 27 29 28  
CLOUDS FW FW CL CL CL CL CL CL SC SC FW SC B1 B1 B2 B1 B1  
POP 12HR 0 0 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL 11 14 39 28 26 25 21 22 36 24 17 15 15 13  
MIN CHILL 7 7 35 23 19 19 20 12 11  
 
DATE 12/14/17 FRI 12/15/17 SAT 12/16/17 SUN 12/17/17 MON 12/18/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 41 21 57 28 47 20 47 27 53  
TEMP 39 30 23 22 54 42 33 29 46 34 24 21 44 37 30 28 50 39  
DEWPT 18 15 14 12 12 13 13 15 20 19 18 17 17 18 18 18 21 20  
PWIND DIR NW NW NW W NW NW W W W  
WIND CHAR WY GN BZ GN BZ GN GN GN BZ  
AVG CLOUDS B1 SC FW SC SC SC FW SC B1 B1 B1 B1 SC FW FW FW SC SC  
POP 12HR 0 0 0 0 5 5 5 0 0  
 

 
NEZ055-131100-  
CHEYENNE-  
INCLUDING THE CITIES OF BROWNSON AND SIDNEY  
242 AM MST TUE DEC 12 2017  
 
DATE MON 12/11/17 TUE 12/12/17 WED 12/13/17 THU  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 61 33 50 26  
TEMP 21 26 53 60 44 36 33 35 33 36 47 49 36 29 27 28 27  
DEWPT 13 14 15 17 17 17 16 15 16 18 18 17 17 18 19 19 19  
RH 71 60 22 18 33 45 49 43 49 47 31 28 45 63 71 68 71  
WIND DIR W W NW NW W W NW NW NW NW NW NW NW NW NW NW NW  
WIND SPD 8 9 13 12 9 10 12 16 20 20 28 25 16 11 14 16 16  
WIND GUST 24 24 26 33 34 46 39 26 25 26 26  
CLOUDS CL CL CL CL CL CL CL CL SC SC FW FW SC B1 B2 B1 B1  
POP 12HR 0 0 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL 11 17 28 24 25 21 24 38 26 19 15 17 14  
MIN CHILL 7 7 36 22 18 19 23 12 11  
 
DATE 12/14/17 FRI 12/15/17 SAT 12/16/17 SUN 12/17/17 MON 12/18/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 42 21 57 28 49 21 48 27 53  
TEMP 39 30 23 22 54 43 31 28 47 35 24 23 45 38 30 28 50 39  
DEWPT 19 16 15 14 14 15 14 17 22 19 19 18 18 18 19 19 21 20  
PWIND DIR NW NW NW W NW NW W W NW  
WIND CHAR WY GN BZ GN BZ GN GN GN GN  
AVG CLOUDS B1 SC FW SC SC FW FW SC B1 B1 B1 B1 SC SC FW FW SC SC  
POP 12HR 0 0 0 0 5 5 0 0 0  
 

 
NEZ095-131100-  
NORTH SIOUX-  
INCLUDING THE CITY OF HARRISON  
242 AM MST TUE DEC 12 2017  
 
DATE MON 12/11/17 TUE 12/12/17 WED 12/13/17 THU  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 22 26 55 58 61 29 31 35 41 45 48 23 26 30  
TEMP 23 27 52 58 44 35 35 34 32 33 42 45 35 29 28 28 26  
DEWPT 14 15 17 18 18 17 15 15 17 18 18 17 17 18 19 19 19  
RH 68 60 25 21 35 47 43 45 53 53 37 32 47 63 68 68 74  
WIND DIR W W NW W W W NW NW NW NW NW NW NW NW NW NW NW  
WIND SPD 9 9 13 13 11 12 13 17 17 20 24 21 17 12 16 17 17  
WIND GUST 24 25 24 24 31 35 37 39 42 40 36 32 29 33 35 36  
CLOUDS FW FW CL FW CL CL FW FW SC SC FW SC B1 B1 B1 B1 B1  
POP 12HR 0 0 0 0 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL 14 17 27 26 24 21 21 33 37 25 18 17 16 14  
MIN CHILL 10 9 34 20 18 16 21 13 11  
 
DATE 12/14/17 FRI 12/15/17 SAT 12/16/17 SUN 12/17/17 MON 12/18/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 37 22 54 28 44 21 45 28 50  
TEMP 35 29 25 24 50 43 33 29 42 33 26 22 42 38 31 29 47 37  
DEWPT 19 17 15 13 16 16 16 20 22 19 19 17 19 18 18 19 21 19  
PWIND DIR NW NW W W NW NW W W W  
WIND CHAR WY GN GN GN GN GN GN GN GN  
AVG CLOUDS B1 SC SC SC SC SC SC B1 B1 B1 B1 B1 SC SC SC SC SC SC  
POP 12HR 5 0 0 20 20 5 0 0 0  
RAIN SHWRS S S  
SNOWSHWRS S S  
 

 
NEZ096-131100-  
SOUTH SIOUX-  
INCLUDING THE CITY OF AGATE  
242 AM MST TUE DEC 12 2017  
 
DATE MON 12/11/17 TUE 12/12/17 WED 12/13/17 THU  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 23 26 57 59 63 32 45 47 51 27  
TEMP 24 26 52 58 46 39 38 37 33 33 44 47 38 32 31 31 28  
DEWPT 13 14 16 17 17 16 15 15 16 17 17 16 16 17 18 18 19  
RH 62 60 24 20 31 39 38 40 49 51 33 28 40 53 58 58 68  
WIND DIR W W W W W W NW NW NW NW NW NW NW NW NW NW NW  
WIND SPD 6 6 11 12 8 9 10 13 14 17 23 20 13 10 12 13 14  
WIND GUST 26 27 28 35 31 24 25  
CLOUDS FW FW FW CL CL CL FW FW SC SC FW SC B1 B1 B1 B1 B1  
POP 12HR 0 0 0 0 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL 17 19 32 31 29 23 22 35 39 29 24 22 21 17  
MIN CHILL 12 11 38 26 21 18 24 17 14  
 
DATE 12/14/17 FRI 12/15/17 SAT 12/16/17 SUN 12/17/17 MON 12/18/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 40 23 54 29 46 22 46 29 51  
TEMP 38 32 27 25 50 45 36 31 44 35 28 23 42 39 34 30 48 39  
DEWPT 18 15 15 14 14 15 15 19 22 18 18 16 18 17 18 19 21 20  
PWIND DIR NW NW W W NW NW W W W  
WIND CHAR BZ GN GN LT GN GN GN GN GN  
AVG CLOUDS B1 SC SC SC SC SC SC B1 B2 B1 B1 B1 SC SC SC SC SC SC  
POP 12HR 5 0 0 20 20 0 0 0 0  
RAIN SHWRS S S  
SNOWSHWRS S S  
 

 
WYZ101-131100-  
CONVERSE COUNTY LOWER ELEVATIONS-  
INCLUDING THE CITIES OF BILL, DOUGLAS, DEER CREEK, AND GLENROCK  
242 AM MST TUE DEC 12 2017  
 
DATE MON 12/11/17 TUE 12/12/17 WED 12/13/17 THU  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 24 29 46 54 58 24 29 33 37 43 46 19 24 30  
TEMP 26 28 47 53 41 35 32 30 30 31 40 43 34 29 27 25 25  
DEWPT 14 15 18 20 19 18 17 16 16 17 18 18 18 20 20 18 19  
RH 60 58 31 27 41 49 53 55 55 56 41 36 51 69 74 74 78  
WIND DIR W W W W W W W NW NW NW NW NW NW NW NW W NW  
WIND SPD 11 12 14 17 13 11 10 12 13 12 16 17 11 9 9 11 14  
WIND GUST 25 27 27 28 26 24 25 29 32 29 34 32 24 20 27 27 29  
CLOUDS FW CL CL CL CL CL FW FW SC SC SC B1 B1 B1 B1 B1 SC  
POP 12HR 0 0 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL 15 18 34 26 24 20 19 21 31 35 25 20 18 15 13  
MIN CHILL 10 8 25 15 15 15 21 11 7  
 
DATE 12/14/17 FRI 12/15/17 SAT 12/16/17 SUN 12/17/17 MON 12/18/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 38 25 50 30 39 21 40 29 45  
TEMP 35 31 27 27 46 41 33 31 38 30 24 22 37 35 31 30 42 35  
DEWPT 19 17 16 15 17 18 19 21 22 20 19 17 19 20 21 20 23 21  
PWIND DIR NW W W W NW NW W W W  
WIND CHAR BZ GN BZ GN GN GN GN GN GN  
AVG CLOUDS SC SC SC SC SC SC SC B1 B1 B1 B2 B1 SC SC SC SC SC SC  
POP 12HR 0 0 0 20 30 20 5 5 5  
RAIN SHWRS S  
SNOWSHWRS S C C S  
 

 
WYZ102-131100-  
NIOBRARA COUNTY-  
INCLUDING THE CITIES OF LUSK AND REDBIRD  
242 AM MST TUE DEC 12 2017  
 
DATE MON 12/11/17 TUE 12/12/17 WED 12/13/17 THU  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 23 27 52 56 59 27 30 33 40 44 47 22 26 29  
TEMP 24 26 48 56 43 36 34 33 32 32 41 44 35 30 29 28 27  
DEWPT 14 16 17 19 19 18 17 16 17 18 18 17 17 19 20 18 19  
RH 65 65 29 23 38 47 49 49 53 56 39 33 47 63 69 66 71  
WIND DIR W W W W W W W NW NW NW NW NW NW NW NW NW NW  
WIND SPD 9 9 12 13 10 10 11 14 17 16 20 18 14 10 13 14 17  
WIND GUST 21 23 23 24 23 24 26 29 32 32 35 31 25 23 27 29 33  
CLOUDS FW FW CL CL CL CL FW FW FW FW SC B1 B1 B1 B1 B1 B1  
POP 12HR 0 0 0 0 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL 15 17 28 26 23 20 21 31 36 26 21 18 17 14  
MIN CHILL 11 9 33 19 15 16 21 13 9  
 
DATE 12/14/17 FRI 12/15/17 SAT 12/16/17 SUN 12/17/17 MON 12/18/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 37 24 52 29 42 22 43 28 48  
TEMP 35 31 26 25 47 42 33 30 41 33 26 23 39 37 32 29 45 37  
DEWPT 19 17 16 14 16 17 18 21 22 20 19 17 19 19 20 20 22 20  
PWIND DIR NW NW W W NW NW W W W  
WIND CHAR BZ GN GN GN GN GN GN GN GN  
AVG CLOUDS B1 SC SC SC SC SC SC B1 B1 B1 B1 B1 SC SC SC SC SC SC  
POP 12HR 5 0 0 20 30 5 0 5 0  
RAIN SHWRS S C  
SNOWSHWRS S C S  
 

 
WYZ103-131100-  
NORTH LARAMIE RANGE-  
INCLUDING THE CITY OF GARRETT  
242 AM MST TUE DEC 12 2017  
 
DATE MON 12/11/17 TUE 12/12/17 WED 12/13/17 THU  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 24 30 38 46 58 19 26 32 29 37 46 15 22 29  
TEMP 25 26 42 46 37 32 31 28 27 27 35 37 30 26 25 23 22  
DEWPT 10 12 15 17 15 14 13 12 12 13 16 16 17 18 17 15 15  
RH 52 55 33 31 40 47 47 50 53 55 45 42 58 71 71 71 74  
WIND DIR W W W W W W W W NW NW NW NW NW NW NW NW NW  
WIND SPD 13 13 14 16 13 12 11 11 12 10 11 14 9 8 8 10 14  
WIND GUST 43 46 44 40 43 41 39 32 35 27 24 29 25 25 27 37  
CLOUDS CL CL CL CL CL CL CL CL SC SC SC SC B1 B1 B1 SC SC  
POP 12HR 0 0 0 0 10  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
SNOWSHWRS S S  
WIND CHILL 14 16 35 28 22 22 18 16 18 27 28 22 18 17 13 9  
MIN CHILL 6 5 21 13 9 9 10 9 -2  
 
DATE 12/14/17 FRI 12/15/17 SAT 12/16/17 SUN 12/17/17 MON 12/18/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 32 23 43 29 34 19 35 27 40  
TEMP 30 28 25 25 40 36 32 29 33 27 23 20 32 32 29 28 38 33  
DEWPT 17 15 13 11 14 15 14 16 19 18 16 14 16 17 17 18 21 20  
PWIND DIR NW W W W NW NW W W W  
WIND CHAR BZ GN BZ BZ BZ GN BZ GN BZ  
AVG CLOUDS SC SC SC SC SC SC SC B1 B1 B1 B1 B1 SC SC SC SC SC SC  
POP 12HR 5 0 0 20 50 20 5 5 10  
SNOWSHWRS S C C S S  
 

 
WYZ104-131100-  
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-  
INCLUDING THE CITY OF SEMINOE DAM  
242 AM MST TUE DEC 12 2017  
 
DATE MON 12/11/17 TUE 12/12/17 WED 12/13/17 THU  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 11 16 25 36 42 46 17 22 28 29 36 42 14 18 26  
TEMP 17 19 34 41 34 28 26 23 23 24 32 36 29 24 22 19 19  
DEWPT 9 11 16 19 17 15 13 11 12 13 17 19 19 18 17 15 14  
RH 70 70 47 41 49 58 57 59 62 62 53 50 66 77 81 84 80  
WIND DIR SW SW SW SW SW SW SW W W W W NW W W W W W  
WIND SPD 8 10 11 11 10 9 8 6 6 6 8 9 6 5 5 6 9  
WIND GUST 26 31 26 25 26 28 24 21 24 21 19 21 19 18 18 20 26  
CLOUDS CL CL CL CL CL CL CL CL SC B1 B1 B1 B1 B1 SC SC SC  
POP 12HR 0 0 0 5 20  
QPF 12HR 0 0 0 0 0.01  
SNOW 12HR 00-00 00-00 00-00  
SNOWSHWRS S S S S  
WIND CHILL 7 8 26 34 27 20 18 15 16 17 25 29 22 17 15 11 9  
MIN CHILL -1 -3 19 12 9 9 13 8 2  
 
DATE 12/14/17 FRI 12/15/17 SAT 12/16/17 SUN 12/17/17 MON 12/18/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 33 20 40 27 32 19 33 26 39  
TEMP 28 28 22 21 34 35 29 27 30 26 21 19 29 30 27 26 35 34  
DEWPT 19 17 13 12 16 18 16 17 20 18 16 14 18 19 19 19 22 22  
PWIND DIR NW W SW SW W W SW SW SW  
WIND CHAR GN GN GN GN GN GN GN GN GN  
AVG CLOUDS SC SC FW SC SC SC B1 B1 B1 B1 B2 B1 SC SC SC SC SC SC  
POP 12HR 0 0 0 20 40 20 5 5 10  
SNOWSHWRS S C C S  
 

 
WYZ105-131100-  
SHIRLEY BASIN-  
INCLUDING THE CITIES OF MEDICINE BOW AND SHIRLEY BASIN  
242 AM MST TUE DEC 12 2017  
 
DATE MON 12/11/17 TUE 12/12/17 WED 12/13/17 THU  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 11 17 21 39 43 46 17 21 25 36 14 18 22  
TEMP 18 19 38 43 34 27 23 22 22 22 33 36 29 23 20 19 18  
DEWPT 9 11 16 18 17 15 14 12 12 13 17 18 19 19 17 15 16  
RH 67 70 40 36 49 60 68 65 65 68 51 47 66 84 88 84 92  
WIND DIR W W W W W W W W W W NW NW NW NW NW W NW  
WIND SPD 5 5 10 12 6 6 6 6 6 5 10 12 6 4 4 5 8  
WIND GUST 20 24 25 28 21 23 20 19 19 20 21 25 17 14 16 18 23  
CLOUDS CL CL CL CL CL CL CL CL SC SC SC SC B1 B1 B1 SC SC  
POP 12HR 0 0 0 5 10  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
SNOWSHWRS S S  
WIND CHILL 12 13 31 36 21 16 14 13 15 25 28 22 17 11 8  
MIN CHILL -1 -4 22 11 10 10 16 10 5  
 
DATE 12/14/17 FRI 12/15/17 SAT 12/16/17 SUN 12/17/17 MON 12/18/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 31 20 41 26 33 18 33 25 39  
TEMP 29 27 21 21 37 35 27 27 32 27 19 19 30 30 26 25 37 33  
DEWPT 19 17 14 12 15 16 14 16 20 17 17 14 18 19 18 18 22 21  
PWIND DIR NW W W W W W W W W  
WIND CHAR GN GN GN GN GN LT GN GN GN  
AVG CLOUDS SC SC SC SC SC SC SC B1 B1 B1 B2 B1 SC SC SC SC SC SC  
POP 12HR 5 0 0 20 40 20 5 5 10  
SNOWSHWRS S C C S S  
 

 
WYZ106-131100-  
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-  
INCLUDING THE CITY OF BORDEAUX  
242 AM MST TUE DEC 12 2017  
 
DATE MON 12/11/17 TUE 12/12/17 WED 12/13/17 THU  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 17 25 31 44 52 60 22 30 33 37 43 49 19 26 30  
TEMP 27 29 47 52 42 37 35 32 31 31 41 43 35 32 30 28 27  
DEWPT 10 12 13 16 15 15 14 13 13 14 15 16 17 20 20 18 17  
RH 48 48 25 24 33 40 41 45 47 49 34 33 47 61 66 66 65  
WIND DIR W W W W W W W W W W NW NW NW NW NW W W  
WIND SPD 18 19 25 24 20 20 19 17 14 13 17 19 10 10 9 12 17  
WIND GUST 44 47 47 41 43 44 42 35 34 31 31 33 21 21 26 35  
CLOUDS FW CL CL CL CL CL CL CL SC SC SC SC B2 B2 B1 SC SC  
POP 12HR 0 0 0 0 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
SNOWSHWRS S S  
WIND CHILL 14 17 33 27 24 22 21 21 32 35 28 23 21 18 14  
MIN CHILL 5 5 25 13 11 12 20 12 6  
 
DATE 12/14/17 FRI 12/15/17 SAT 12/16/17 SUN 12/17/17 MON 12/18/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 37 27 49 33 41 23 40 31 47  
TEMP 35 32 29 28 46 42 36 34 40 33 27 24 38 36 33 32 45 39  
DEWPT 17 15 15 12 13 14 14 17 20 19 19 15 17 17 18 19 21 20  
PWIND DIR NW W W W NW NW W W W  
WIND CHAR BZ BZ WY WY BZ BZ BZ BZ BZ  
AVG CLOUDS SC SC SC SC SC SC SC B1 B1 B1 B1 B1 SC SC FW SC SC SC  
POP 12HR 5 0 0 20 30 20 5 0 5  
RAIN SHWRS S S  
SNOWSHWRS S S C S S  
 

 
WYZ107-131100-  
EAST PLATTE COUNTY-  
INCLUDING THE CITIES OF WHEATLAND AND GUERNSEY  
242 AM MST TUE DEC 12 2017  
 
DATE MON 12/11/17 TUE 12/12/17 WED 12/13/17 THU  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 24 30 54 58 61 27 30 34 42 46 49 22 26 31  
TEMP 25 28 51 57 45 38 36 34 31 32 43 46 37 32 30 29 27  
DEWPT 12 13 16 18 17 16 15 14 15 16 17 16 17 19 20 19 18  
RH 57 53 24 21 32 40 42 43 51 51 35 29 44 58 66 66 68  
WIND DIR W W W NW W W NW NW NW NW NW NW NW NW NW NW NW  
WIND SPD 6 9 11 14 11 10 9 10 11 12 17 18 12 9 9 10 13  
WIND GUST 26 29 39 37 32 33 31 28 25 27 32 31 26 19 21 21 26  
CLOUDS FW FW CL CL CL CL CL CL SC SC SC SC B1 B2 B1 B1 B1  
POP 12HR 0 0 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL 18 21 39 31 29 26 22 23 35 39 29 24 22 20 16  
MIN CHILL 14 11 31 23 16 16 24 16 11  
 
DATE 12/14/17 FRI 12/15/17 SAT 12/16/17 SUN 12/17/17 MON 12/18/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 41 26 53 33 44 22 44 31 50  
TEMP 38 34 29 27 49 45 37 34 43 34 27 23 40 39 34 32 47 40  
DEWPT 18 15 15 13 14 15 16 19 22 20 19 16 18 18 19 20 22 20  
PWIND DIR NW W W W NW NW W W W  
WIND CHAR BZ GN GN GN GN GN GN GN GN  
AVG CLOUDS SC SC SC SC SC SC SC B1 B1 B1 B1 B1 SC SC SC SC SC SC  
POP 12HR 0 0 0 20 30 10 5 0 5  
RAIN SHWRS S S C  
SNOWSHWRS S S C  
 

 
WYZ108-131100-  
GOSHEN COUNTY-  
INCLUDING THE CITY OF TORRINGTON  
242 AM MST TUE DEC 12 2017  
 
DATE MON 12/11/17 TUE 12/12/17 WED 12/13/17 THU  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 30 53 60 63 28 32 35 40 48 51 23 27 30  
TEMP 25 27 53 59 48 39 38 38 34 33 45 47 39 33 32 31 28  
DEWPT 12 13 15 17 17 16 15 14 15 16 16 15 16 18 19 19 19  
RH 57 55 22 19 29 39 38 37 45 49 31 27 39 53 58 61 68  
WIND DIR W W W W W W NW NW NW NW NW NW NW NW NW NW NW  
WIND SPD 6 8 12 14 11 11 10 12 13 14 20 19 13 10 11 12 13  
WIND GUST 26 29 32 32 31 33 31 29 31 31 33 32 25 25 24 27 29  
CLOUDS FW FW CL CL CL CL CL CL SC SC FW SC B1 B1 B1 B1 B1  
POP 12HR 0 0 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL 18 20 33 31 30 24 23 36 30 24 23 22 17  
MIN CHILL 12 11 32 24 16 16 20 15 10  
 
DATE 12/14/17 FRI 12/15/17 SAT 12/16/17 SUN 12/17/17 MON 12/18/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 42 24 55 31 46 22 46 30 52  
TEMP 39 34 29 26 51 46 38 33 45 36 29 24 42 40 35 31 49 42  
DEWPT 18 15 15 13 14 15 15 19 22 20 20 16 19 18 19 20 22 20  
PWIND DIR NW NW W W NW NW W W W  
WIND CHAR BZ GN GN GN GN GN GN GN GN  
AVG CLOUDS B1 SC SC SC SC SC SC B1 B1 B1 B1 B1 SC SC FW SC SC SC  
POP 12HR 0 0 0 20 20 5 0 0 5  
RAIN SHWRS S S S  
SNOWSHWRS S S S  
 

 
WYZ109-131100-  
CENTRAL CARBON COUNTY-  
INCLUDING THE CITY OF RAWLINS  
242 AM MST TUE DEC 12 2017  
 
DATE MON 12/11/17 TUE 12/12/17 WED 12/13/17 THU  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 8 17 25 39 42 45 16 20 25 33 37 39 11 17 23  
TEMP 17 18 34 42 35 28 25 22 21 21 31 36 30 24 21 18 17  
DEWPT 8 11 15 18 16 14 13 11 11 12 16 17 19 19 17 15 15  
RH 67 73 45 37 45 55 60 62 65 68 53 45 63 81 84 88 92  
WIND DIR SW SW SW SW SW SW SW SW W SW W W NW NW W W W  
WIND SPD 6 8 10 12 10 10 9 8 5 4 4 6 5 5 5 4 5  
WIND GUST 24 24 27 28 25 26 25 23 20 18 20 23 17 16 16 19 20  
CLOUDS CL CL CL CL CL CL CL CL SC SC B1 B1 B2 B1 SC SC SC  
POP 12HR 0 0 0 5 20  
QPF 12HR 0 0 0 0 0.01  
SNOW 12HR 00-00 00-00 00-00  
SNOWSHWRS S S  
WIND CHILL 8 9 26 35 27 19 16 13 13 24 18 14 12 9  
MIN CHILL -2 -3 19 10 7 7 18 8 1  
 
DATE 12/14/17 FRI 12/15/17 SAT 12/16/17 SUN 12/17/17 MON 12/18/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 33 19 40 26 32 18 33 25 39  
TEMP 27 28 21 19 34 35 28 26 30 27 21 19 29 30 26 25 35 34  
DEWPT 19 17 14 13 16 16 15 17 19 17 16 15 18 19 18 19 21 21  
PWIND DIR NW SW SW SW W W W SW SW  
WIND CHAR GN GN BZ GN BZ GN GN GN BZ  
AVG CLOUDS SC SC FW SC SC SC SC B1 B1 B1 B2 B1 SC SC SC B1 SC SC  
POP 12HR 0 0 0 20 30 20 10 5 10  
SNOWSHWRS S C C S  
 

 
WYZ110-131100-  
NORTH SNOWY RANGE FOOTHILLS-  
INCLUDING THE CITIES OF ARLINGTON AND ELK MOUNTAIN  
242 AM MST TUE DEC 12 2017  
 
DATE MON 12/11/17 TUE 12/12/17 WED 12/13/17 THU  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 17 23 27 40 45 49 19 26 29 34 38 41 15 21 24  
TEMP 23 24 40 45 37 32 30 27 26 26 35 37 31 26 25 23 22  
DEWPT 9 11 15 17 15 13 12 10 11 11 14 15 17 18 18 16 15  
RH 54 57 36 32 40 45 46 48 52 52 41 40 56 71 74 74 74  
WIND DIR W W W W W W W W W W W W W W W W W  
WIND SPD 13 14 17 19 14 16 16 14 13 12 13 14 10 9 9 11 13  
WIND GUST 34 35 32 32 34 40 40 34 31 27 24 25 23 21 24 24 31  
CLOUDS CL CL CL CL CL CL CL CL SC SC B1 B1 B2 B1 B1 SC SC  
POP 12HR 0 0 0 5 20  
QPF 12HR 0 0 0 0 0.01  
SNOW 12HR 00-00 00-00 00-00  
SNOWSHWRS S S S S  
WIND CHILL 11 12 31 37 28 21 18 15 15 16 25 29 22 17 15 12 9  
MIN CHILL 6 3 20 12 9 9 16 10 5  
 
DATE 12/14/17 FRI 12/15/17 SAT 12/16/17 SUN 12/17/17 MON 12/18/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 32 22 42 29 35 20 34 27 40  
TEMP 30 28 24 24 38 37 31 29 34 28 23 21 32 31 28 28 38 35  
DEWPT 17 15 13 11 13 13 13 15 17 16 16 14 16 16 17 17 20 20  
PWIND DIR NW W W W W W W W W  
WIND CHAR BZ BZ WY BZ BZ BZ BZ BZ BZ  
AVG CLOUDS SC SC FW SC SC SC SC B1 B1 B1 B2 B1 SC SC SC SC SC SC  
POP 12HR 5 0 0 20 30 20 10 5 5  
SNOWSHWRS S C C S S  
 

 
WYZ111-131100-  
SOUTHWEST CARBON COUNTY-  
INCLUDING THE CITY OF BAGGS  
242 AM MST TUE DEC 12 2017  
 
DATE MON 12/11/17 TUE 12/12/17 WED 12/13/17 THU  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 9 14 20 40 44 49 10 15 20 35 39 46 8 14 19  
TEMP 14 15 32 43 33 26 23 19 16 16 30 39 30 23 20 17 14  
DEWPT 4 7 13 16 13 12 10 8 7 7 13 15 16 17 15 15 13  
RH 64 70 45 33 43 55 57 61 67 67 49 37 55 77 81 92 96  
WIND DIR SE SE S S S S S S S SE S NW N N N N N  
WIND SPD 6 6 8 10 8 8 6 6 5 3 3 2 4 4 4 4 5  
WIND GUST 19 19 20 23 18 18 17 18  
CLOUDS CL CL CL CL CL CL CL CL FW SC B1 B1 B1 B2 SC SC SC  
POP 12HR 0 0 0 5 20  
QPF 12HR 0 0 0 0 0.01  
SNOW 12HR 00-00 00-00 00-00  
SNOWSHWRS S S  
WIND CHILL 5 5 26 26 18 14 11 8 10 17 14 11 6  
MIN CHILL -1 -1 19 9 3 3 18 10 -1  
 
DATE 12/14/17 FRI 12/15/17 SAT 12/16/17 SUN 12/17/17 MON 12/18/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 38 14 41 20 36 15 36 19 41  
TEMP 29 29 19 14 33 34 25 21 31 27 20 15 30 30 23 20 34 33  
DEWPT 18 16 12 10 14 15 12 13 18 16 14 12 17 17 15 15 20 19  
PWIND DIR NW SW SW SW W W SW SW SW  
WIND CHAR LT GN GN GN GN GN GN GN GN  
AVG CLOUDS SC SC FW SC FW SC SC B1 B1 B1 B2 B1 SC SC SC B1 B1 SC  
POP 12HR 0 0 0 20 30 10 5 5 5  
SNOWSHWRS S C C  
 

 
WYZ112-131100-  
SIERRA MADRE RANGE-  
242 AM MST TUE DEC 12 2017  
 
DATE MON 12/11/17 TUE 12/12/17 WED 12/13/17 THU  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 13 19 23 35 42 47 15 21 26 29 36 44 11 18 23  
TEMP 19 21 36 41 33 28 25 23 22 22 32 36 28 24 21 20 18  
DEWPT 5 7 13 15 12 10 9 7 6 7 11 14 16 15 14 13 12  
RH 54 54 38 34 41 46 50 50 49 52 41 40 60 68 74 74 77  
WIND DIR S S SW SW SW SW SW SW SW S SW W NW N N NW NW  
WIND SPD 6 6 8 8 8 8 8 8 5 4 3 4 3 3 4 3 5  
WIND GUST 25 26 24 24 26 29 29 27 24 19 18 17 14 18 17 17 23  
CLOUDS CL CL CL CL CL CL CL CL FW SC B1 B1 B2 B2 B1 SC SC  
POP 12HR 0 0 0 10 30  
QPF 12HR 0 0 0 0 0.01  
SNOW 12HR 00-00 00-00 00-00  
SNOWSHWRS S S C C S S  
WIND CHILL 12 13 27 21 17 16 15  
MIN CHILL -1 -1 16 8 6 7 14 5 0  
 
DATE 12/14/17 FRI 12/15/17 SAT 12/16/17 SUN 12/17/17 MON 12/18/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 31 16 37 22 31 16 31 21 37  
TEMP 28 25 19 17 34 32 25 23 30 25 19 17 29 27 23 22 34 30  
DEWPT 16 13 9 8 11 11 9 12 16 15 14 11 14 15 13 14 18 18  
PWIND DIR NW SW SW SW W W SW SW SW  
WIND CHAR LT GN GN GN GN GN GN GN GN  
AVG CLOUDS SC SC FW SC SC SC SC B1 B1 B1 B2 B2 B1 SC SC B1 B1 B1  
POP 12HR 5 0 0 10 30 20 10 5 5  
SNOWSHWRS S C C S S  
 

 
WYZ113-131100-  
UPPER NORTH PLATTE RIVER BASIN-  
INCLUDING THE CITIES OF SARATOGA AND ENCAMPMENT  
242 AM MST TUE DEC 12 2017  
 
DATE MON 12/11/17 TUE 12/12/17 WED 12/13/17 THU  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 12 19 23 44 18 21 25 38 14 18 23  
TEMP 19 20 37 44 35 28 26 23 21 22 33 38 30 24 22 20 18  
DEWPT 8 11 18 19 16 14 13 10 10 10 14 17 18 18 17 15 15  
RH 61 67 46 36 45 55 57 57 62 59 45 42 60 77 81 81 88  
WIND DIR S S S SW S S S SW SW SW SW NW W W W W W  
WIND SPD 8 8 6 8 8 8 8 6 5 4 3 5 4 3 4 4 6  
WIND GUST 18 18 18 19 20 21 21 19 18  
CLOUDS CL CL CL CL CL CL CL CL FW SC B1 B1 B2 B2 B1 SC SC  
POP 12HR 0 0 0 5 20  
QPF 12HR 0 0 0 0 0.01  
SNOW 12HR 00-00 00-00 00-00  
SNOWSHWRS S S S S  
WIND CHILL 10 10 31 29 20 18 15 14 16 16 14 9  
MIN CHILL 3 3 25 14 10 10 20 11 4  
 
DATE 12/14/17 FRI 12/15/17 SAT 12/16/17 SUN 12/17/17 MON 12/18/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 33 17 41 25 33 17 33 23 40  
TEMP 28 27 19 17 35 35 27 25 31 27 20 18 29 29 25 24 36 34  
DEWPT 18 16 12 11 14 14 13 15 18 17 16 14 17 18 17 17 20 20  
PWIND DIR W SW SW SW W W SW SW SW  
WIND CHAR GN GN GN GN GN GN GN GN GN  
AVG CLOUDS SC SC FW SC SC SC SC B1 B1 B1 B2 B1 SC SC SC SC B1 SC  
POP 12HR 5 0 0 20 30 20 10 5 10  
SNOWSHWRS S C C S S  
 

 
WYZ114-131100-  
SNOWY RANGE-  
INCLUDING THE CITIES OF CENTENNIAL AND ALBANY  
242 AM MST TUE DEC 12 2017  
 
DATE MON 12/11/17 TUE 12/12/17 WED 12/13/17 THU  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 7 18 27 34 42 49 17 22 27 25 34 41 11 16 23  
TEMP 18 20 38 42 34 28 26 25 22 22 32 34 27 22 20 19 16  
DEWPT 5 8 12 14 12 9 7 5 5 6 11 14 15 14 14 12 12  
RH 56 59 34 31 39 44 44 42 47 49 41 43 60 71 77 74 84  
WIND DIR W SW W W SW SW W W W W W NW NW NW NW W NW  
WIND SPD 9 10 10 11 10 11 11 11 9 8 8 9 6 6 8 8 10  
WIND GUST 36 36 34 34 36 41 41 37 33 31 24 25 23 25 26 26 34  
CLOUDS CL CL CL CL CL CL CL CL FW SC B1 B1 B2 B2 B1 B1 B1  
POP 12HR 0 0 0 10 30  
QPF 12HR 0 0 0 0.01 0.02  
SNOW 12HR 00-00 00-00 00-00  
SNOWSHWRS S S C C S S S  
WIND CHILL 8 9 31 35 27 19 16 15 12 14 25 27 20 15 11 9 5  
MIN CHILL -1 0 6 7 1 2 6 -2 -8  
 
DATE 12/14/17 FRI 12/15/17 SAT 12/16/17 SUN 12/17/17 MON 12/18/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 28 16 37 23 30 15 30 22 36  
TEMP 26 24 18 17 35 32 26 23 29 24 18 16 29 26 23 23 34 31  
DEWPT 15 12 8 6 9 9 8 10 15 14 12 10 13 14 13 14 17 17  
PWIND DIR NW W W SW W W W W W  
WIND CHAR GN GN GN BZ GN GN GN GN BZ  
AVG CLOUDS SC SC FW SC SC SC SC SC B1 B1 B2 B1 SC SC SC SC SC SC  
POP 12HR 10 0 0 10 30 20 10 5 5  
SNOWSHWRS S S S C S S  
 

 
WYZ115-131100-  
LARAMIE VALLEY-  
INCLUDING THE CITIES OF BOSLER AND LARAMIE  
242 AM MST TUE DEC 12 2017  
 
DATE MON 12/11/17 TUE 12/12/17 WED 12/13/17 THU  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 16 19 24 45 48 51 20 24 28 40 17 20 23  
TEMP 20 23 44 48 37 32 28 26 25 26 38 40 31 26 23 21 20  
DEWPT 8 10 13 15 15 13 11 10 9 11 13 14 16 17 17 15 15  
RH 59 57 28 26 40 45 48 50 50 52 35 34 53 68 77 77 81  
WIND DIR SW SW W W W SW W W W W NW NW NW NW NW W W  
WIND SPD 8 8 12 14 9 8 9 9 10 8 14 14 8 6 5 8 10  
WIND GUST 20 23 26 29 19 20 21 21 23 19 26 17 19 23  
CLOUDS CL CL CL CL CL CL CL CL FW SC B1 B1 B2 B1 B1 SC SC  
POP 12HR 0 0 0 5 20  
QPF 12HR 0 0 0 0 0.01  
SNOW 12HR 00-00 00-00 00-00  
SNOWSHWRS S S S S  
WIND CHILL 10 14 37 31 25 20 17 15 18 29 32 23 19 16 12 9  
MIN CHILL 2 2 27 14 11 11 19 10 5  
 
DATE 12/14/17 FRI 12/15/17 SAT 12/16/17 SUN 12/17/17 MON 12/18/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 33 21 45 27 37 19 36 26 43  
TEMP 31 27 22 22 42 38 30 28 36 29 20 20 35 31 26 26 41 35  
DEWPT 15 13 11 8 11 10 11 13 16 15 15 13 14 14 15 16 18 18  
PWIND DIR NW W W W W W W W W  
WIND CHAR BZ GN BZ GN BZ GN BZ GN BZ  
AVG CLOUDS SC SC FW SC SC SC SC SC SC B1 B1 B1 SC SC SC SC SC SC  
POP 12HR 5 0 0 10 30 20 5 5 5  
SNOWSHWRS S C S S  
 

 
WYZ116-131100-  
SOUTH LARAMIE RANGE-  
INCLUDING THE CITIES OF BUFORD, PUMPKIN VINE, AND VEDAUWOO  
242 AM MST TUE DEC 12 2017  
 
DATE MON 12/11/17 TUE 12/12/17 WED 12/13/17 THU  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 24 26 44 48 54 24 28 32 34 38 42 17 21 24  
TEMP 24 27 42 48 38 34 31 29 28 29 36 38 29 27 24 22 22  
DEWPT 7 10 12 14 13 11 10 8 8 10 13 13 15 16 16 14 14  
RH 47 48 29 25 35 38 41 40 42 44 38 35 55 63 71 71 71  
WIND DIR W W W W W W W W NW NW NW NW NW NW NW NW NW  
WIND SPD 17 18 23 21 18 18 18 19 18 18 20 20 13 13 12 14 18  
WIND GUST 37 39 40 37 34 37 37 37 36 33 33 35 26 24 28 37  
CLOUDS CL CL CL CL CL CL CL CL FW SC SC B1 B2 B1 B1 B1 B1  
POP 12HR 0 0 0 5 20  
QPF 12HR 0 0 0 0 0.01  
SNOW 12HR 00-00 00-00 00-00  
SNOWSHWRS S S S S  
WIND CHILL 11 14 33 28 24 19 16 15 17 24 27 19 15 13 9 7  
MIN CHILL 5 5 23 15 12 11 14 8 3  
 
DATE 12/14/17 FRI 12/15/17 SAT 12/16/17 SUN 12/17/17 MON 12/18/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 30 22 44 28 36 19 36 27 42  
TEMP 28 26 23 24 41 37 31 29 35 28 22 21 34 31 28 28 40 35  
DEWPT 15 12 9 7 9 9 9 12 15 15 14 12 13 13 14 14 17 17  
PWIND DIR NW W W W W NW W W W  
WIND CHAR WY BZ WY BZ BZ BZ BZ BZ BZ  
AVG CLOUDS SC SC FW SC SC SC SC SC SC B1 B1 B1 SC SC SC SC SC SC  
POP 12HR 5 0 0 10 30 20 5 5 5  
SNOWSHWRS S S C S S  
 

 
WYZ117-131100-  
SOUTH LARAMIE RANGE FOOTHILLS-  
INCLUDING THE CITIES OF WHITAKER, FEDERAL, AND HORSE CREEK  
242 AM MST TUE DEC 12 2017  
 
DATE MON 12/11/17 TUE 12/12/17 WED 12/13/17 THU  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 52 55 60 27 30 34 41 44 48 20 23 26  
TEMP 27 30 51 55 41 36 34 31 32 32 42 43 32 28 27 24 25  
DEWPT 9 11 14 15 15 13 12 10 10 13 14 15 15 18 19 16 16  
RH 46 44 22 20 34 38 39 41 39 45 31 32 49 66 71 71 68  
WIND DIR W W W W W W W NW NW NW NW NW NW NW NW NW NW  
WIND SPD 16 16 24 24 17 18 18 17 17 16 21 23 11 11 12 13 19  
WIND GUST 28 32 40 37 29 32 32 32 28 27 32 34 21 21 24 32  
CLOUDS CL CL CL CL CL CL CL CL SC SC SC B1 B2 B1 B1 SC B1  
POP 12HR 0 0 0 0 10  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL 15 19 32 26 23 20 21 22 32 34 23 18 16 12 11  
MIN CHILL 11 8 28 19 16 15 20 12 7  
 
DATE 12/14/17 FRI 12/15/17 SAT 12/16/17 SUN 12/17/17 MON 12/18/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 37 24 51 30 42 21 42 28 48  
TEMP 34 30 26 26 49 40 33 31 42 31 24 23 40 34 30 30 47 37  
DEWPT 16 14 11 8 11 11 11 14 18 17 16 15 16 15 16 16 19 18  
PWIND DIR NW NW W W NW NW W W W  
WIND CHAR WY BZ WY BZ BZ BZ BZ BZ BZ  
AVG CLOUDS SC SC FW SC SC SC SC SC SC B1 B1 B1 SC SC FW FW SC SC  
POP 12HR 5 0 0 10 20 20 5 0 5  
SNOWSHWRS S C S S  
 

 
WYZ118-131100-  
CENTRAL LARAMIE COUNTY-  
INCLUDING THE CITY OF CHEYENNE  
242 AM MST TUE DEC 12 2017  
 
DATE MON 12/11/17 TUE 12/12/17 WED 12/13/17 THU  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 55 59 62 31 46 25  
TEMP 27 28 53 58 43 35 35 34 34 32 44 46 34 28 28 27 27  
DEWPT 9 11 13 15 15 13 12 11 11 13 14 14 15 18 19 18 17  
RH 46 48 20 18 32 40 38 38 38 45 29 27 45 66 68 68 65  
WIND DIR W W NW NW W W W NW NW NW NW NW N NW NW NW NW  
WIND SPD 11 13 20 21 14 16 16 14 13 14 21 21 11 10 11 12 17  
WIND GUST 26 28 39 37 31 32 29 28 25 25 33 33 21 28  
CLOUDS FW CL CL CL CL CL CL CL SC SC SC SC B1 B2 B2 SC B1  
POP 12HR 0 0 0 0 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL 17 17 35 26 26 24 24 22 35 38 26 19 18 17 14  
MIN CHILL 11 8 30 22 19 19 22 15 11  
 
DATE 12/14/17 FRI 12/15/17 SAT 12/16/17 SUN 12/17/17 MON 12/18/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 40 25 54 31 44 22 44 29 51  
TEMP 37 31 27 27 51 42 35 33 44 32 25 24 42 36 31 31 49 39  
DEWPT 16 14 13 9 11 12 12 14 18 18 18 15 16 16 16 17 19 19  
PWIND DIR NW NW W W NW NW W W W  
WIND CHAR WY BZ BZ GN BZ GN BZ GN BZ  
AVG CLOUDS SC SC FW SC SC SC SC SC B1 B1 B1 B1 SC SC FW FW SC SC  
POP 12HR 0 0 0 5 20 10 5 0 0  
RAIN SHWRS S  
SNOWSHWRS S S S  
 

 
WYZ119-131100-  
EAST LARAMIE COUNTY-  
INCLUDING THE CITY OF PINE BLUFFS  
242 AM MST TUE DEC 12 2017  
 
DATE MON 12/11/17 TUE 12/12/17 WED 12/13/17 THU  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 23 26 60 31 44 47 50 25  
TEMP 24 27 54 60 44 35 35 36 33 33 44 47 34 28 28 28 26  
DEWPT 10 12 14 15 15 14 12 12 13 14 15 14 14 17 18 18 18  
RH 54 53 20 17 30 41 38 36 43 45 30 26 43 63 66 66 71  
WIND DIR W W NW NW W W NW NW NW NW NW N N NW NW NW NW  
WIND SPD 9 10 16 18 12 12 13 13 14 17 24 23 14 12 13 13 14  
WIND GUST 28 31 23 24 27 37 35 25 24  
CLOUDS FW FW CL CL CL CL CL CL SC SC FW SC B1 B1 B2 B1 B1  
POP 12HR 0 0 0 0 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL 14 17 37 26 25 27 22 22 35 38 25 17 16 17 14  
MIN CHILL 11 9 33 23 19 19 20 13 11  
 
DATE 12/14/17 FRI 12/15/17 SAT 12/16/17 SUN 12/17/17 MON 12/18/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 41 23 55 30 46 21 45 28 52  
TEMP 38 31 25 25 52 42 34 31 45 33 25 23 43 36 31 29 49 39  
DEWPT 16 14 13 10 11 12 12 15 19 19 19 16 17 17 17 18 20 19  
PWIND DIR NW NW W W NW NW W W W  
WIND CHAR WY GN BZ GN BZ GN GN GN BZ  
AVG CLOUDS B1 SC FW SC SC SC SC SC B1 B1 B1 B1 SC SC FW FW SC SC  
POP 12HR 0 0 0 5 10 10 5 0 0  
SNOWSHWRS S  
 

 
 
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