Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
350 AM CDT Fri Apr 27 2018

IAZ060-272200-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
350 AM CDT Fri Apr 27 2018

Date             Fri 04/27/18            Sat 04/28/18            Sun 04/29/18
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      74          39          59          37          68
Temp          42 42 60 72 73 67 55 48 42 39 47 54 58 57 48 43 39 39 53 63 67 67
Dewpt         32 32 36 35 35 32 32 33 33 32 30 28 27 27 28 29 28 29 31 34 37 39
RH            67 67 41 26 25 27 41 56 70 76 51 36 30 31 46 57 64 67 43 34 33 36
Wind dir      NW  W  W  W NW  N  N  N  N  N NE NE NE  E  E SE SE SE  S  S  S  S
Wind spd       5  5 12 19 20 17 10  8  8  8  8  8  6  5  4  4  4  5 11 13 13 12
Wind gust              29
Clouds        CL CL FW FW FW FW CL CL CL FW CL FW CL CL CL CL CL CL CL CL FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill                               33
Min chill        35                      32    35          39    32    37


Date          Mon 04/30/18  Tue 05/01/18  Wed 05/02/18  Thu 05/03/18
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          53    79      59    75      55    71      52    67
Temp          55 54 74 77   65 60 74 71   60 56 69 69   60 52 65 63
Dewpt         42 46 51 51   50 53 56 58   54 51 52 52   51 46 46 42
PWind dir         S     S       S     S      SW    SW      NW    NW
Wind char        GN    BZ      BZ    BZ      GN    GN      GN    GN
Avg clouds    SC B1 B1 SC   SC B1 B2 B2   B2 B2 B2 B2   B2 B2 B1 B1
PoP 12hr         10    20      10    60      50    50      50    10
Rain shwrs        S  S             S  L    C  C  C  C    C  C
Tstms             S  S             S  L    C  S  S  S    C  S

$$
IAZ039-272200-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
350 AM CDT Fri Apr 27 2018

Date             Fri 04/27/18            Sat 04/28/18            Sun 04/29/18
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      68          34          56          33          65
Temp          39 38 59 67 67 61 50 43 38 34 44 52 56 54 44 38 35 35 52 61 65 62
Dewpt         34 32 34 34 32 32 34 34 32 29 26 26 26 26 27 28 27 28 30 32 33 35
RH            82 79 39 29 27 33 54 70 79 82 49 36 31 34 51 67 72 75 43 33 30 36
Wind dir      NW  W  W  W NW NW  N  N  N  N  N  N  N  N  E SE SE SE  S  S  S  S
Wind spd       8  4 12 20 23 19 12 10  9  9 10 10  9  6  3  3  3  4 10 12 13 12
Wind gust              31 33
Clouds        CL CL SC FW FW FW CL FW FW CL CL CL CL CL CL CL CL CL CL CL CL CL
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill    33                   37 31 27
Min chill        31    38          36    25    29          36    30    34


Date          Mon 04/30/18  Tue 05/01/18  Wed 05/02/18  Thu 05/03/18
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          48    76      56    73      51    69      47    65
Temp          50 49 73 73   63 56 71 69   58 52 66 67   57 47 63 60
Dewpt         38 42 49 51   49 50 53 55   53 49 49 52   51 44 45 43
PWind dir         S     S       S     S      SW    SW      SW    NW
Wind char        GN    BZ      BZ    BZ      GN    GN      GN    GN
Avg clouds    FW SC B1 B1   SC B1 B2 B2   B2 B2 B2 B2   B2 B2 B1 B1
PoP 12hr         10    20      10    50      50    50      60    20
Rain shwrs        S  S             C  C    C  C  S  C    L  C  S  S
Tstms             S  S             C  C    C  S          S  S     S

$$
IAZ048-272200-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
350 AM CDT Fri Apr 27 2018

Date             Fri 04/27/18            Sat 04/28/18            Sun 04/29/18
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      71          36          58          35          67
Temp          37 38 59 70 70 63 52 45 39 36 47 53 57 56 46 40 37 36 53 62 67 65
Dewpt         29 32 35 35 34 31 32 33 33 31 28 27 27 27 27 29 28 28 31 34 36 39
RH            72 79 40 27 26 30 46 62 79 82 47 36 31 32 47 64 70 72 43 35 32 38
Wind dir       W  W  W  W NW  N  N  N  N  N NE NE NE NE  E SE SE SE  S  S  S  S
Wind spd       4  5 13 21 21 19 11  9  9  8  9  8  6  5  4  4  4  5 12 14 16 13
Wind gust              32                                                    24
Clouds        CL CL FW FW FW CL CL CL FW FW CL CL CL CL CL CL CL CL CL CL FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill                            33 30
Min chill        30    38                29    32          37    31    35


Date          Mon 04/30/18  Tue 05/01/18  Wed 05/02/18  Thu 05/03/18
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          51    77      57    75      52    69      48    65
Temp          54 52 73 74   64 58 73 71   58 53 68 65   56 48 63 61
Dewpt         42 46 51 52   49 53 56 56   53 50 50 50   49 45 45 41
PWind dir         S     S       S     S      SW    SW      NW    NW
Wind char        GN    BZ      BZ    BZ      GN    GN      GN    GN
Avg clouds    SC B1 B1 B1   SC B1 B2 B2   B2 B2 B2 B2   B2 B2 B1 B1
PoP 12hr         20    20      10    60      50    60      60    10
Rain shwrs        S  S             C  L    C  S  C  L    L  C
Tstms             S  S             C  L    C  S          S  S

$$
IAZ004-272200-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
350 AM CDT Fri Apr 27 2018

Date             Fri 04/27/18            Sat 04/28/18            Sun 04/29/18
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      62          33          55          35          66
Temp          34 37 54 62 60 56 46 40 35 33 42 50 55 53 45 40 37 37 51 60 66 62
Dewpt         32 32 37 32 31 31 33 32 31 28 29 29 28 28 29 29 28 28 32 36 38 41
RH            92 82 52 32 33 38 60 73 85 82 60 44 35 38 53 64 70 70 48 41 36 46
Wind dir       W  W NW NW NW  N  N  N  N  N NE NE  E SE SE SE  S  S  S  S  S  S
Wind spd       9 13 19 25 25 20 12 10  6  6  6  5  4  5  5  8  9 10 17 19 21 19
Wind gust           29 36 35                                                 29
Clouds        FW FW FW CL CL CL FW FW FW FW FW FW CL CL CL CL CL CL CL FW FW SC
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill    27 29                33 29 27                   30 30
Min chill        24    34          33    26    28          33    27    33


Date          Mon 04/30/18  Tue 05/01/18  Wed 05/02/18  Thu 05/03/18
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          51    74      54    71      44    60      41    58
Temp          54 52 72 70   60 54 69 66   49 45 58 57   47 42 55 56
Dewpt         42 47 52 54   50 51 54 51   44 42 42 44   42 38 41 38
PWind dir         S     S       S    SW       W     N       N    NW
Wind char        BZ    BZ      BZ    BZ      GN    GN      GN    GN
Avg clouds    SC B1 B1 B1   B1 B2 B2 B2   B1 B1 B2 B2   B2 B1 B1 B1
PoP 12hr         40    20      40    50      10    30      40    20
Rain shwrs        C  S       S  C  C  C          S  C    C  C  S
Tstms             S  S       S  C  C  C

$$
IAZ035-272200-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
350 AM CDT Fri Apr 27 2018

Date             Fri 04/27/18            Sat 04/28/18            Sun 04/29/18
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      68          35          57          36          68
Temp          38 38 60 67 67 61 51 45 39 35 46 53 57 55 47 41 38 37 54 64 68 66
Dewpt         32 33 37 35 32 32 33 33 32 29 28 28 28 28 28 29 27 28 31 36 37 41
RH            79 82 42 30 27 33 50 62 76 78 49 38 33 35 47 62 64 70 41 35 32 40
Wind dir       W SW  W NW NW  N  N  N  N  N NE NE NE  E  E SE SE SE  S  S  S  S
Wind spd       9  6 14 19 19 17 10  9  8  6  8  6  5  5  5  6  6  8 14 18 18 17
Wind gust              29                                                    27
Clouds        CL CL FW FW CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL FW FW FW
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill    32                      33 29                      30
Min chill        30    38          39    28    32          35    29    35


Date          Mon 04/30/18  Tue 05/01/18  Wed 05/02/18  Thu 05/03/18
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          53    76      57    73      48    65      45    62
Temp          57 53 72 74   64 58 72 68   55 49 64 61   53 45 60 58
Dewpt         43 46 52 54   51 52 57 55   50 46 48 49   48 42 44 41
PWind dir         S     S       S     S       W    SE       N    NW
Wind char        BZ    BZ      BZ    BZ      GN    GN      GN    GN
Avg clouds    SC B1 B1 B1   B1 B2 B2 B2   B2 B2 B2 B2   B2 B1 B1 B1
PoP 12hr         30    20      20    50      30    50      50    10
Rain shwrs        C  S          S  C  C    C        C    C  S
Tstms             S  S          S  C  C    C             S

$$
IAZ094-272200-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
350 AM CDT Fri Apr 27 2018

Date             Fri 04/27/18            Sat 04/28/18            Sun 04/29/18
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      73          38          60          38          69
Temp          39 39 58 69 73 69 55 48 41 38 49 57 60 58 48 43 40 40 55 65 69 67
Dewpt         30 31 36 36 36 37 33 32 32 32 34 32 31 30 29 29 28 29 33 37 40 42
RH            70 73 44 30 26 31 43 54 70 79 56 38 33 34 47 57 62 64 43 35 35 40
Wind dir      NW  W  W  W  W NW  N  N  N  N NE NE NE NE  E SE SE SE  S  S  S  S
Wind spd       9  6 11 18 18 13 10  9  8  8  9  9  6  6  5  5  5  6 12 13 13 12
Wind gust              28
Clouds        CL CL CL CL FW FW CL CL CL FW FW FW CL CL CL CL CL CL CL CL FW 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    33                         32
Min chill        31    39                32    35          38    34    38


Date          Mon 04/30/18  Tue 05/01/18  Wed 05/02/18  Thu 05/03/18
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          53    79      60    75      57    74      54    68
Temp          57 55 75 77   65 61 74 70   61 58 73 70   62 54 67 63
Dewpt         44 47 52 51   50 54 57 57   56 55 59 56   54 50 49 46
PWind dir         S     S       S     S      SW     S      SW    NW
Wind char        GN    BZ      BZ    BZ      GN    GN      GN    GN
Avg clouds    SC B1 B1 SC   SC B1 B2 B2   OV B2 B2 B2   B2 B2 B1 B1
PoP 12hr         10    10      10    50      70    50      50    10
Rain shwrs                         S  C    L  C  C  C    C  C
Tstms                              S  C    L  S  S  C    C  C

$$
IAZ017-272200-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
350 AM CDT Fri Apr 27 2018

Date             Fri 04/27/18            Sat 04/28/18            Sun 04/29/18
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      65          32          55          33          65
Temp          35 36 56 65 64 59 47 40 34 33 44 51 54 53 43 38 35 35 52 61 65 62
Dewpt         29 32 36 33 31 32 34 33 29 27 27 27 28 28 28 28 26 27 32 33 36 38
RH            78 85 47 30 29 36 60 76 82 78 51 39 36 38 55 67 69 72 46 35 34 41
Wind dir       W  W  W NW NW  N  N  N  N  N NE  N  N NE  E SE SE  S  S  S  S  S
Wind spd       8  8 16 23 25 20 12 10  8  8  9  8  5  4  3  4  5  6 12 16 17 14
Wind gust              33 35
Clouds        FW FW SC CL FW FW FW FW FW FW CL FW CL CL CL CL CL CL CL CL CL FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill    28 30                33 27 26                      29
Min chill        27    36          32    25    30          34    28    33


Date          Mon 04/30/18  Tue 05/01/18  Wed 05/02/18  Thu 05/03/18
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          49    75      55    73      47    64      43    61
Temp          51 50 70 73   61 56 72 67   53 48 63 60   51 44 60 55
Dewpt         41 44 51 53   50 50 55 55   48 45 47 48   47 41 44 40
PWind dir         S     S       S     S       W     N       N    NW
Wind char        BZ    BZ      BZ    BZ      GN    GN      LT    GN
Avg clouds    SC B1 B1 B1   B1 B1 B2 B2   B2 B2 B2 B2   B2 B2 B1 B1
PoP 12hr         30    40      10    60      40    30      50    20
Rain shwrs        C  C             C  L    C        C    C  S  S
Tstms             S  S             C  L    C

$$
IAZ049-272200-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
350 AM CDT Fri Apr 27 2018

Date             Fri 04/27/18            Sat 04/28/18            Sun 04/29/18
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      70          35          56          33          66
Temp          37 37 58 69 69 62 51 43 40 35 45 53 56 54 44 38 35 35 52 62 66 64
Dewpt         30 31 35 35 33 32 33 33 33 30 27 26 26 27 27 27 26 28 30 33 34 37
RH            75 79 42 28 26 32 50 67 76 82 49 35 31 35 51 64 69 75 43 33 30 37
Wind dir       W  W  W  W NW NW  N  N  N  N  N  N  N NE  E SE SE SE  S  S  S  S
Wind spd       9  5 13 21 23 19 11 10 10  9 10 10  8  6  4  4  4  5 12 13 14 13
Wind gust              32
Clouds        CL CL SC FW FW CL CL CL FW FW CL CL CL CL CL CL CL CL CL CL CL FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill    30                      33 28
Min chill        28    36          37    28    30          34    29    33


Date          Mon 04/30/18  Tue 05/01/18  Wed 05/02/18  Thu 05/03/18
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          49    77      56    73      51    69      48    65
Temp          51 50 72 75   62 57 72 69   58 52 67 66   58 48 63 60
Dewpt         39 44 49 51   49 51 53 56   53 50 50 51   51 45 45 43
PWind dir         S     S       S     S      SW    SW       W    NW
Wind char        GN    BZ      BZ    BZ      GN    GN      GN    GN
Avg clouds    FW B1 B1 B1   SC B1 B2 B2   B2 B2 B2 B2   B2 B2 B1 B1
PoP 12hr         10    20      10    50      40    60      60    10
Rain shwrs           S             S  C    C  C  C  L    L  C
Tstms                S             S  C    C  S          S  S

$$
IAZ086-272200-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
350 AM CDT Fri Apr 27 2018

Date             Fri 04/27/18            Sat 04/28/18            Sun 04/29/18
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      72          37          59          35          68
Temp          44 42 58 68 72 66 52 45 40 38 48 55 59 56 46 40 37 37 54 63 68 66
Dewpt         31 31 33 35 36 34 33 33 33 33 31 29 28 27 27 27 27 28 31 33 34 36
RH            60 65 39 29 27 30 48 62 76 82 51 37 30 32 47 59 67 70 41 32 28 33
Wind dir      NW NW  W  W  W NW NW  N  N  N  N  N  N NE  E  E SE SE  S  S  S  S
Wind spd      11  6 10 18 20 18 11  9  9  9 10 10  9  6  4  4  4  5 10 11 12 11
Wind gust              29
Clouds        CL CL CL FW SC FW CL CL FW FW FW FW CL CL CL CL CL CL CL CL CL FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill    38                      34 32
Min chill        35                39    30    33          36    31    36


Date          Mon 04/30/18  Tue 05/01/18  Wed 05/02/18  Thu 05/03/18
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          50    78      58    75      57    74      54    68
Temp          54 52 74 75   64 59 74 72   62 58 72 71   62 54 67 64
Dewpt         38 42 50 50   48 51 54 56   55 52 56 55   53 49 49 46
PWind dir         S     S       S     S      SW    SW      SW    NW
Wind char        GN    BZ      BZ    BZ      GN    GN      GN    GN
Avg clouds    FW SC B1 SC   SC B1 B2 B2   OV B2 B2 B2   B2 B2 B2 B1
PoP 12hr          5    10      10    30      50    50      60    20
Rain shwrs                         S  C    C  C  C  C    L  C  S  S
Tstms                              S  C    C  S  S  C    C  C     S

$$



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