540  
FOUS51 KBUF 180232  
AFMBUF  
 
AREA FORECAST MATRICES  
NATIONAL WEATHER SERVICE BUFFALO NY  
1032 PM EDT SAT APR 17 2021  
 
NYZ001-180900-  
NIAGARA-  
INCLUDING THE CITY OF NIAGARA FALLS  
1032 PM EDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
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 38 51 58 59 38 61 39  
TEMP 43 41 39 41 51 57 57 51 46 42 39 41 53 60 60 53 47 42 40 40  
DEWPT 38 37 37 37 38 38 39 39 37 36 35 37 38 38 37 38 37 37 35 35  
RH 82 85 92 85 61 49 51 63 71 79 85 85 57 44 42 57 68 82 82 82  
WIND DIR SW W W W W W W SW SW SW SW SW SW SW SW SW SW W NW NW  
WIND SPD 6 5 6 8 10 11 9 6 8 6 6 6 10 14 16 12 11 9 9 9  
WIND GUST 23 23 20  
CLOUDS B2 B2 SC SC SC B1 B1 SC SC SC SC SC SC SC SC SC B1 B1 B2 B2  
POP 12HR 20 10 5 5 30  
QPF 12HR 0 0 0 0 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS IS S S C C C  
WIND CHILL 35 34 34  
MIN CHILL 35 32 36 36 32 39 35 31  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 50 34 46 30 47 35 55 38 58  
TEMP 49 43 35 37 44 38 32 32 44 43 37 38 52 48 39 40 56 51  
DEWPT 35 32 31 33 34 26 25 25 28 29 29 31 32 33 32 34 36 36  
PWIND DIR NW NE NW W W W W W SW  
WIND CHAR GN LT GN BZ BZ GN GN LT LT  
AVG CLOUDS B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC  
POP 12HR 30 50 70 30 30 10 5 10 20  
RAIN SHWRS C C C C L L C C C S S  
SNOWSHWRS C C L C C C  
 

 
NYZ010-180900-  
NORTHERN ERIE-  
INCLUDING THE CITY OF BUFFALO  
1032 PM EDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
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 39 49 56 58 39 53 60 61 40  
TEMP 41 40 39 40 49 55 55 50 46 42 40 42 52 59 59 53 48 44 41 42  
DEWPT 37 37 37 37 38 38 37 37 36 36 34 36 37 36 36 37 36 37 36 36  
RH 85 89 92 89 66 53 51 61 68 79 79 79 56 42 42 54 63 76 82 79  
WIND DIR SW W W W W W W SW SW SW SW SW SW SW SW SW SW SW W NW  
WIND SPD 8 5 5 6 11 12 10 8 6 6 6 6 11 14 14 10 9 9 5 5  
WIND GUST 25 21  
CLOUDS B2 B2 B1 B1 SC SC SC SC SC SC SC SC SC FW SC SC SC B1 B1 B2  
POP 12HR 20 5 5 5 30  
QPF 12HR 0 0 0 0 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS IS S S C C C  
WIND CHILL 38  
MIN CHILL 34 32 38 36 33 37 34  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 53 36 47 30 46 35 55 38 59  
TEMP 52 44 37 38 43 37 32 31 42 43 37 38 52 48 39 41 57 51  
DEWPT 36 32 31 33 34 26 24 25 27 28 28 31 32 33 31 34 35 36  
PWIND DIR NW NE W W W W W SW SW  
WIND CHAR LT LT GN GN BZ GN GN LT LT  
AVG CLOUDS B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC B1  
POP 12HR 30 50 70 30 40 10 5 10 30  
RAIN SHWRS C C C C L L C C C C C  
SNOWSHWRS C C C C  
 

 
NYZ002-180900-  
ORLEANS-  
INCLUDING THE CITY OF MEDINA  
1032 PM EDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
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 39 51 57 59 40 61 40  
TEMP 43 41 39 41 50 56 57 51 47 43 41 43 53 60 60 53 48 43 41 41  
DEWPT 39 38 37 38 39 40 39 39 37 36 35 37 38 38 36 37 37 37 36 35  
RH 86 89 92 89 66 55 51 63 68 76 79 79 57 44 41 54 65 79 82 79  
WIND DIR SW W W W W W W SW SW SW SW SW W W SW SW SW W W W  
WIND SPD 8 8 9 9 12 13 11 6 8 6 6 6 10 12 14 12 11 9 10 10  
WIND GUST 23 21 24  
CLOUDS B2 B2 SC SC SC SC B1 SC SC SC SC SC SC SC SC B1 SC B1 B2 B2  
POP 12HR 20 5 0 5 30  
QPF 12HR 0 0 0 0 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS IS IS IS S S C C C  
WIND CHILL 35 33 35 35 35  
MIN CHILL 34 32 36 37 34 36 31  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 49 35 47 31 46 36 55 38 58  
TEMP 49 43 36 37 44 38 32 32 43 42 37 38 52 48 39 41 56 50  
DEWPT 35 32 31 34 36 28 25 26 29 30 30 31 32 33 32 34 36 36  
PWIND DIR NW NE NW W W W W W W  
WIND CHAR GN LT GN BZ BZ GN GN LT GN  
AVG CLOUDS B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC  
POP 12HR 30 40 70 30 40 10 5 10 20  
RAIN SHWRS C C C C L L C C C S S  
SNOWSHWRS C C C C  
 

 
NYZ011-180900-  
GENESEE-  
INCLUDING THE CITY OF BATAVIA  
1032 PM EDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
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 38 57 40 61 41  
TEMP 41 40 39 40 50 56 57 51 47 43 41 43 53 59 60 53 48 44 42 42  
DEWPT 37 37 37 37 39 39 38 38 36 35 34 36 37 36 35 36 36 36 36 36  
RH 85 89 92 89 66 53 49 61 65 73 76 76 54 42 39 52 63 73 79 79  
WIND DIR SW W W W W W W W SW SW SW SW W W SW SW SW SW W W  
WIND SPD 8 8 8 8 11 12 12 6 8 8 8 8 11 14 16 10 10 9 8 6  
WIND GUST 20 21  
CLOUDS B2 B2 B1 SC SC B1 SC SC SC SC SC SC SC SC SC SC SC B1 B1 B2  
POP 12HR 20 5 5 5 30  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS IS IS IS S S S S C  
WIND CHILL 35 34 33  
MIN CHILL 32 32 37 37 34 37 34  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 53 35 48 30 45 34 55 37 59  
TEMP 52 44 36 38 44 37 31 31 42 41 36 37 52 48 38 41 57 50  
DEWPT 37 33 31 34 36 27 23 25 27 28 28 31 31 33 31 34 35 35  
PWIND DIR NW NE W W W W W W W  
WIND CHAR GN LT GN GN BZ GN GN LT LT  
AVG CLOUDS B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC B1  
POP 12HR 30 40 70 30 40 10 5 10 20  
RAIN SHWRS C C C C L L C C C S S  
SNOWSHWRS C C C C  
 

 
NYZ085-180900-  
SOUTHERN ERIE-  
INCLUDING THE CITIES OF ORCHARD PARK AND SPRINGVILLE  
1032 PM EDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
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 38 49 55 57 40 55 59 62 42  
TEMP 41 40 38 40 48 54 54 49 45 42 41 42 52 58 58 53 48 45 43 43  
DEWPT 36 37 37 37 37 36 36 36 35 35 34 36 35 34 34 36 36 37 37 37  
RH 82 89 96 89 65 50 50 61 68 76 76 79 52 40 40 52 63 73 79 79  
WIND DIR SW W W W W W W W SW SW SW SW W W W SW SW SW W W  
WIND SPD 4 6 5 5 9 10 9 5 5 5 5 5 10 12 12 8 9 9 6 5  
WIND GUST 21 24 18  
CLOUDS B2 B2 B1 B1 SC SC FW SC SC SC B1 SC SC SC FW SC SC B1 B1 B2  
POP 12HR 20 5 5 5 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS IS IS S S S S C  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 55 36 48 30 44 35 53 37 57  
TEMP 54 45 38 40 42 36 31 31 40 41 37 37 50 47 38 41 56 50  
DEWPT 37 33 32 35 33 25 23 25 25 27 28 31 31 32 31 34 35 35  
PWIND DIR W NE SW W W W W SW SW  
WIND CHAR LT LT GN GN BZ GN GN LT LT  
AVG CLOUDS B2 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC  
POP 12HR 30 50 70 30 40 10 5 10 30  
RAIN SHWRS C C C C L L C C C C C  
SNOWSHWRS C C C  
 

 
NYZ012-180900-  
WYOMING-  
INCLUDING THE CITY OF WARSAW  
1032 PM EDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
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 37 52 55 60 39 56 59 63 41  
TEMP 39 39 38 39 48 54 54 49 45 42 40 41 51 57 58 52 48 44 42 43  
DEWPT 36 36 36 37 37 36 36 36 34 34 33 35 34 34 34 35 35 36 36 37  
RH 89 89 92 92 65 50 50 61 65 73 76 79 52 42 40 52 60 73 79 79  
WIND DIR SW W W W W W W W SW SW SW SW W W W SW SW SW W W  
WIND SPD 5 6 6 8 11 12 12 6 6 6 8 8 11 13 13 9 9 10 8 6  
WIND GUST 19 23 29 20  
CLOUDS B2 B2 B1 B1 SC B1 SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1  
POP 12HR 20 5 5 5 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS IS IS IS S S S S C  
WIND CHILL 33  
MIN CHILL 32 30 34 34 31 37 35 34  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 56 35 48 28 42 33 52 36 57  
TEMP 55 45 36 39 43 35 29 29 39 39 35 36 49 45 37 39 55 49  
DEWPT 37 33 31 35 34 25 22 24 25 26 28 30 30 32 30 33 34 34  
PWIND DIR W E SW W W W W W W  
WIND CHAR GN LT GN GN BZ GN GN LT LT  
AVG CLOUDS B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC B1  
POP 12HR 30 50 70 30 40 10 5 10 30  
RAIN SHWRS C C C C L L C C C C C  
SNOWSHWRS C L C C C  
 

 
NYZ019-180900-  
CHAUTAUQUA-  
INCLUDING THE CITY OF JAMESTOWN  
1032 PM EDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
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 34 36 41 44 55 59 36 39 44 54 60 64 39 42 45  
TEMP 40 39 37 38 48 54 54 49 45 42 40 41 52 59 59 53 49 45 43 43  
DEWPT 35 35 35 35 36 35 35 35 35 35 34 35 35 34 34 36 37 37 37 38  
RH 82 85 92 89 63 48 48 58 68 76 79 79 52 39 39 52 63 73 79 82  
WIND DIR W W W W W NW W W SW SW SW S SW W W SW SW SW SW W  
WIND SPD 4 5 4 4 6 10 9 5 4 4 5 5 10 12 12 6 10 9 6 6  
WIND GUST 14 23 26 18  
CLOUDS B2 B2 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1  
POP 12HR 20 10 5 5 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS IS S S S S C  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 57 36 47 29 44 35 53 38 57  
TEMP 56 45 38 40 41 36 31 30 41 41 37 37 50 47 39 40 55 50  
DEWPT 37 33 33 36 32 24 23 25 24 27 29 31 31 32 32 34 34 36  
PWIND DIR W E W W W W W SW SW  
WIND CHAR LT LT GN GN BZ GN GN LT LT  
AVG CLOUDS B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC  
POP 12HR 30 50 70 30 30 10 5 20 30  
RAIN SHWRS C C C C L L C C C S S C C  
SNOWSHWRS L C C C S  
 

 
NYZ020-180900-  
CATTARAUGUS-  
INCLUDING THE CITY OF OLEAN  
1032 PM EDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
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 36 52 55 59 35 37 41 56 59 63 41  
TEMP 39 39 36 38 48 54 54 49 44 40 38 40 51 58 58 52 48 44 42 43  
DEWPT 35 35 35 35 35 34 33 34 34 34 33 35 34 32 33 35 36 36 37 38  
RH 85 85 96 89 60 46 45 56 68 79 82 82 52 37 39 52 63 73 82 82  
WIND DIR NW W W W W NW NW W W SW SW SW W W W SW SW SW SW SW  
WIND SPD 3 5 4 4 6 10 9 5 3 3 4 4 9 11 11 6 8 9 8 8  
WIND GUST 18 20 24 18 18  
CLOUDS B2 B2 B1 B1 SC B1 B1 SC SC SC SC SC SC SC SC SC SC SC B1 B1  
POP 12HR 20 10 5 10 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS IS IS IS S S C  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 60 36 48 27 42 32 52 35 57  
TEMP 59 47 38 40 42 35 29 28 39 39 35 35 50 46 37 38 55 50  
DEWPT 37 34 33 36 32 23 22 24 22 25 28 30 29 31 31 33 32 34  
PWIND DIR W E SW W W W W W SW  
WIND CHAR GN LT GN GN BZ GN GN LT LT  
AVG CLOUDS B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC  
POP 12HR 30 50 70 30 40 10 5 10 30  
RAIN SHWRS C C C C L L C C C S S C C  
SNOWSHWRS L C C C S  
 

 
NYZ021-180900-  
ALLEGANY-  
INCLUDING THE CITY OF WELLSVILLE  
1032 PM EDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
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 36 55 38 56 59 62 42  
TEMP 38 38 37 38 48 54 55 49 44 41 39 40 51 58 58 53 48 45 43 44  
DEWPT 35 35 35 36 36 33 33 34 33 33 33 35 33 32 32 35 35 35 36 37  
RH 89 89 92 92 63 45 43 56 65 73 79 82 50 37 37 50 60 68 76 76  
WIND DIR W W W W W W NW NW W SW SW SW W W W SW SW SW SW SW  
WIND SPD 4 5 5 5 9 11 11 5 3 4 4 5 10 11 10 6 8 9 9 8  
WIND GUST 18 21 23 21  
CLOUDS B2 B2 B1 B1 SC B1 B1 SC SC B1 B1 SC SC B1 SC SC SC SC SC B1  
POP 12HR 20 10 5 10 10  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS IS IS IS S S C  
WIND CHILL 37  
MIN CHILL 30 28 34 35 32 38 37 35  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 61 37 49 27 42 32 53 35 57  
TEMP 60 49 39 40 44 36 28 28 40 39 34 35 50 46 36 38 56 50  
DEWPT 37 35 33 36 34 24 21 23 22 24 27 28 28 30 29 32 32 34  
PWIND DIR W SE SW W W W W W W  
WIND CHAR GN LT GN GN BZ GN GN LT LT  
AVG CLOUDS B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC B1  
POP 12HR 30 50 80 30 40 10 5 10 30  
RAIN SHWRS C C C C D D C C C C C  
SNOWSHWRS C C C  
 

 
NYZ013-180900-  
LIVINGSTON-  
INCLUDING THE CITY OF GENESEO  
1032 PM EDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
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 38 52 58 61 40 56 61 64 42  
TEMP 41 40 38 40 50 56 57 51 46 43 40 42 53 60 60 54 49 45 43 44  
DEWPT 37 36 36 37 38 36 36 36 35 34 33 35 35 34 34 35 35 36 35 37  
RH 85 85 92 89 63 47 45 56 65 70 76 76 50 37 37 48 58 70 73 76  
WIND DIR SW W W W W W NW W SW SW SW SW W W W SW SW SW SW W  
WIND SPD 4 5 5 6 11 12 11 5 5 6 6 6 10 11 12 8 8 10 8 5  
WIND GUST 19 25 23  
CLOUDS B2 B2 B1 SC SC B1 SC SC SC SC SC SC SC B1 SC SC SC SC B1 B1  
POP 12HR 20 10 5 5 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS IS IS IS S S C  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 59 36 50 30 44 34 55 37 59  
TEMP 58 47 37 40 46 37 31 31 42 41 36 37 52 48 38 40 58 51  
DEWPT 37 33 31 35 36 26 22 24 25 26 28 29 30 32 30 33 34 34  
PWIND DIR W E SW W W W W W W  
WIND CHAR GN LT GN GN BZ GN GN LT LT  
AVG CLOUDS B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC B1  
POP 12HR 30 40 70 30 40 20 5 10 30  
RAIN SHWRS C C C C L L C C C S S C C  
SNOWSHWRS C C C C S  
 

 
NYZ014-180900-  
ONTARIO-  
INCLUDING THE CITY OF CANANDAIGUA  
1032 PM EDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
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 39 50 57 59 41 54 61 63 43  
TEMP 42 41 40 41 50 56 57 51 47 44 42 43 53 60 60 54 50 46 44 45  
DEWPT 38 38 37 38 38 38 37 36 35 35 34 35 35 34 34 35 35 36 35 37  
RH 86 89 89 89 63 51 47 56 63 70 73 73 50 37 37 48 56 68 70 73  
WIND DIR W W W W W W W W SW SW SW SW W W W SW S SW SW W  
WIND SPD 5 6 8 9 12 12 11 5 6 6 6 6 9 10 11 6 8 9 8 8  
WIND GUST 18 25 21  
CLOUDS B2 B2 B1 SC SC B1 B1 SC SC SC B1 SC SC B1 SC SC SC SC B1 B1  
POP 12HR 20 10 5 5 20  
QPF 12HR 0.01 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS IS IS IS IS S S C  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 57 37 51 30 44 35 54 38 58  
TEMP 56 46 37 41 47 38 31 32 42 41 37 38 51 48 39 41 57 51  
DEWPT 37 32 31 35 36 27 22 25 25 26 28 29 30 31 30 33 34 33  
PWIND DIR NW E SW W W W W W W  
WIND CHAR GN LT GN BZ BZ GN GN GN LT  
AVG CLOUDS B2 B2 B2 B2 B2 B2 B1 B1 B1 B2 B1 SC SC SC SC SC SC SC  
POP 12HR 30 40 80 30 40 20 5 10 20  
RAIN SHWRS C C C C D D C C C S S S S  
SNOWSHWRS C C C S  
 

 
NYZ003-180900-  
MONROE-  
INCLUDING THE CITY OF ROCHESTER  
1032 PM EDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
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 40 49 58 59 41 55 62 64 42  
TEMP 43 41 40 42 51 56 57 52 48 44 42 44 54 60 61 54 49 45 43 43  
DEWPT 39 39 38 38 40 40 39 38 37 36 35 36 37 37 36 36 37 37 36 36  
RH 86 92 92 86 66 55 51 59 65 73 76 73 52 42 39 50 63 73 76 76  
WIND DIR W W W W W W W W SW SW SW SW W W SW SW SW SW W W  
WIND SPD 9 8 9 9 12 12 11 5 6 6 6 6 9 10 12 10 10 9 9 9  
WIND GUST 20 20 20 24  
CLOUDS B2 B2 B1 SC SC B1 SC SC SC SC SC SC SC SC SC SC SC B1 B1 B2  
POP 12HR 20 10 0 5 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS IS IS IS S S S S C  
WIND CHILL 34 36 37 37  
MIN CHILL 34 32 36 39 35 37 33  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 52 36 49 31 46 36 55 39 59  
TEMP 51 44 37 39 45 39 33 33 43 42 38 38 52 48 40 41 57 51  
DEWPT 36 32 31 35 37 28 24 26 28 29 30 31 32 32 32 34 36 35  
PWIND DIR NW NE NW W W W W W W  
WIND CHAR GN LT GN BZ BZ GN GN LT GN  
AVG CLOUDS B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC  
POP 12HR 30 40 70 30 40 20 5 10 20  
RAIN SHWRS C C C C L L C C C S S S S  
SNOWSHWRS C C C C S  
 

 
NYZ004-180900-  
WAYNE-  
INCLUDING THE CITY OF NEWARK  
1032 PM EDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
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 40 48 57 59 41 53 62 64 43  
TEMP 43 43 41 42 51 56 56 51 47 44 42 44 54 61 61 55 50 46 44 44  
DEWPT 39 40 38 39 40 40 38 37 36 36 35 37 37 36 36 36 36 37 37 37  
RH 86 89 89 89 66 55 51 59 65 73 76 76 52 39 39 49 58 71 76 76  
WIND DIR SW W W W W W W W SW SW SW SW W W W SW S SW SW W  
WIND SPD 3 6 8 9 11 11 10 3 5 4 4 5 8 9 6 6 8 8 8 9  
WIND GUST 18 20 20 23  
CLOUDS B2 B2 B1 B1 SC SC SC SC SC SC B1 SC SC SC SC SC SC B1 B1 B1  
POP 12HR 30 20 0 5 20  
QPF 12HR 0.02 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS IS SC SC IS S S C  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 53 38 52 32 46 36 54 39 58  
TEMP 52 45 38 41 49 40 33 33 43 42 38 39 51 48 40 42 56 51  
DEWPT 36 32 32 36 38 29 25 27 27 29 30 31 32 31 32 35 35 35  
PWIND DIR NW NE SW W W W W W W  
WIND CHAR GN LT GN BZ BZ GN GN LT LT  
AVG CLOUDS B2 B2 B2 B2 B2 B2 B1 B1 B1 B2 B1 SC SC SC SC SC SC SC  
POP 12HR 30 40 80 40 40 20 5 10 20  
RAIN SHWRS C C C C D D C C C S S S S  
SNOWSHWRS C C C S  
 

 
NYZ005-180900-  
NORTHERN CAYUGA-  
INCLUDING THE CITY OF FAIR HAVEN  
1032 PM EDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
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 41 48 57 59 41 57 62 64 43  
TEMP 42 43 41 42 51 56 57 51 47 44 42 43 54 61 62 55 51 47 44 45  
DEWPT 38 40 39 39 40 40 37 36 36 36 35 37 37 36 36 37 37 37 36 37  
RH 86 89 92 89 66 55 47 56 65 73 76 79 52 39 38 51 59 68 73 73  
WIND DIR S SW W W W W W W SW SW SW SW W W W SW S S SW W  
WIND SPD 2 5 6 8 9 10 9 4 3 3 3 4 6 9 6 4 6 8 8 9  
WIND GUST 19 20 18 19  
CLOUDS B2 B2 B2 B1 SC B1 FW SC SC SC B1 SC SC SC SC SC SC SC B1 B1  
POP 12HR 30 20 5 5 20  
QPF 12HR 0.02 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS SC SC IS S S C  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 55 38 54 32 45 36 53 38 58  
TEMP 54 46 38 42 51 41 33 33 42 42 38 39 50 48 39 41 57 51  
DEWPT 37 32 32 37 39 30 26 27 27 28 30 31 31 30 32 34 35 34  
PWIND DIR NW NE SW W W W W W W  
WIND CHAR GN LT GN GN BZ GN GN LT LT  
AVG CLOUDS B2 B2 B2 B2 B2 B2 B1 B1 B1 B2 B1 SC SC SC SC SC SC SC  
POP 12HR 30 40 80 40 40 20 5 10 20  
RAIN SHWRS C C C C D D C C C S S S S  
SNOWSHWRS C C C S  
 

 
NYZ006-180900-  
OSWEGO-  
INCLUDING THE CITY OF OSWEGO  
1032 PM EDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
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 35 39 41 46 55 58 36 39 44 51 60 63 38 42 45  
TEMP 41 41 39 40 48 54 54 49 45 42 40 41 52 58 59 53 49 45 43 43  
DEWPT 36 37 38 38 38 39 37 35 34 35 35 36 36 34 33 35 35 35 36 36  
RH 82 85 96 92 68 57 52 58 65 76 82 82 54 40 37 50 58 68 76 76  
WIND DIR S SW W W W W W W SW S S S SW W W S S S SW W  
WIND SPD 2 3 4 6 8 8 8 4 3 3 3 3 6 9 8 4 5 6 6 8  
WIND GUST 18 19 17 17 19  
CLOUDS B2 B2 OV B2 B1 SC FW SC SC SC B1 SC SC SC SC SC SC SC B1 B2  
POP 12HR 30 30 5 5 20  
QPF 12HR 0.03 0.01 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS IS SC SC IS IS S S C  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 54 37 53 30 43 34 51 36 56  
TEMP 53 44 37 41 51 40 32 32 41 40 36 37 48 46 37 39 54 49  
DEWPT 35 31 32 36 39 30 25 26 26 28 30 30 30 30 30 33 34 34  
PWIND DIR W NE SW W W W W W W  
WIND CHAR GN LT GN GN BZ GN GN LT LT  
AVG CLOUDS B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B1 SC SC SC SC SC SC SC  
POP 12HR 30 40 80 50 50 20 5 10 20  
RAIN SHWRS C C C C D D C C C S S S S  
SNOWSHWRS C C C C S S  
 

 
NYZ007-180900-  
JEFFERSON-  
INCLUDING THE CITY OF WATERTOWN  
1032 PM EDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
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 38 41 55 59 35 40 42 46 58 60 38 42 44  
TEMP 41 40 39 40 48 54 54 49 45 42 41 42 51 57 57 52 48 45 43 43  
DEWPT 36 37 38 38 39 40 39 36 35 35 35 36 36 34 32 34 34 35 35 35  
RH 82 89 96 92 71 59 57 61 68 76 79 79 56 42 38 50 58 68 73 73  
WIND DIR SW SW SW SW SW SW SW SW SW SW S SW SW SW SW S S S SW SW  
WIND SPD 4 4 4 5 9 10 11 9 6 6 6 6 10 12 11 6 9 9 9 10  
WIND GUST 19 21 18 20 19  
CLOUDS B2 B2 B2 B2 B2 B1 SC SC SC B1 B1 SC SC SC FW SC SC B1 B1 B2  
POP 12HR 30 20 10 5 20  
QPF 12HR 0.02 0.01 0 0 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS SC IS IS IS S S C C C  
WIND CHILL 37 37  
MIN CHILL 34 31 32 33 32 29 34 37 32 30  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 52 36 51 30 43 33 51 35 55  
TEMP 51 43 37 39 49 39 32 32 40 40 36 37 48 45 37 39 54 48  
DEWPT 34 31 30 32 36 31 25 25 25 28 29 29 29 31 29 32 33 34  
PWIND DIR SW NE S W W W W W SW  
WIND CHAR GN LT GN GN BZ GN GN LT GN  
AVG CLOUDS B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B1 SC SC SC SC SC SC SC  
POP 12HR 30 30 80 50 40 20 5 5 20  
RAIN SHWRS C C C C D D C C C S S S S  
SNOWSHWRS C C C C S S  
 

 
NYZ008-180900-  
LEWIS-  
INCLUDING THE CITY OF LOWVILLE  
1032 PM EDT SAT APR 17 2021  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
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 31 35 38 49 54 58 32 36 41 52 57 61 36 39 43  
TEMP 37 37 36 38 47 53 54 48 43 39 37 39 49 56 57 51 46 42 40 41  
DEWPT 34 34 35 36 37 38 36 35 33 33 33 35 34 31 29 32 33 33 34 35  
RH 89 89 96 92 68 57 50 60 67 79 85 85 56 38 34 48 60 70 79 79  
WIND DIR W SW SW SW W W W SW SW SW SW SW SW W W SW S S SW SW  
WIND SPD 2 3 3 3 5 6 9 6 4 4 3 3 8 9 9 4 5 6 6 8  
WIND GUST 16 13 13 19 17 18 20 19  
CLOUDS B1 B2 OV OV OV B2 SC SC SC SC B1 SC SC SC FW SC SC B1 B1 B1  
POP 12HR 30 30 10 5 20  
QPF 12HR 0.02 0.04 0 0 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS SC SC SC SC IS S S C  
 
DATE 04/20 WED 04/21/21 THU 04/22/21 FRI 04/23/21 SAT 04/24/21  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 55 34 52 26 40 29 48 31 54  
TEMP 54 42 35 38 50 37 28 28 37 36 32 32 45 41 33 36 52 46  
DEWPT 34 31 30 34 37 31 24 23 23 26 27 27 28 29 27 30 31 33  
PWIND DIR W E S W W W W W W  
WIND CHAR GN LT GN GN GN GN GN LT LT  
AVG CLOUDS B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B1 B1 SC SC SC SC SC SC  
POP 12HR 30 40 80 50 50 20 5 10 20  
RAIN SHWRS C C C C D D C C C S S S  
SNOWSHWRS C C C C C C S S S  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab NY Page Main Text Page