Point Forecast Matrices
Issued by NWS Des Moines, IA

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FOUS53 KDMX 180521
PFMDMX

Point Forecast Matrices
National Weather Service Des Moines IA
1121 PM CST Sun Dec 17 2017

IAZ060-181000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
1121 PM CST Sun Dec 17 2017

Date           12/17/17      Mon 12/18/17            Tue 12/19/17            Wed
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      29          53          34          50          27
Temp                   32 31 30 33 47 53 44 41 39 37 34 36 46 50 41 35 32 29 27
Dewpt                  29 28 27 28 32 33 31 31 31 30 29 28 29 27 25 24 23 23 20
RH                     88 88 88 82 56 46 60 67 73 75 82 72 51 41 52 64 69 78 74
Wind dir                W  W SW SW SW SW SW SW SW  W  W NW  N  N  N  N NE  E  E
Wind spd                4  4  4  5 11 12  9 10 10  8  6  5  6  6  4  3  3  3  4
Wind gust                             23
Clouds                 B2 B2 B1 SC FW CL FW FW FW FW SC SC FW FW FW FW FW SC 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                25 24 27          34 33 31 28
Min chill              26    23    24    39    32    28    28    37    26    20


Date           12/20/17  Thu 12/21/17  Fri 12/22/17  Sat 12/23/17  Sun 12/24/17
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          45      35    47      26    32      15    26      13    22
Temp          41 38 37   36 47 41 32   26 32 27 20   15 26 22 18   13 19 17
Dewpt         21 23 28   32 37 34 28   23 20 17 13   10 12 11  9    9  8  8
PWind dir        SE      SE    SE       N    NW      NW    NW       N     N
Wind char        LT      LT    LT      GN    GN      GN    GN      LT    GN
Avg clouds    SC SC B1   B2 B2 OV OV   B2 B2 B1 B1   SC B1 B2 B2   B2 B2 B2
PoP 12hr          0       5    50      70    20       5     5      40    40
Rain                         S  C  L
Snow                         S     L    C  S  S                     C  C  C

$$
IAZ039-181000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
1121 PM CST Sun Dec 17 2017

Date           12/17/17      Mon 12/18/17            Tue 12/19/17            Wed
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      25          47          30          44          22
Temp                   30 30 29 30 43 47 39 36 35 32 30 32 42 43 33 29 25 24 22
Dewpt                  28 29 28 28 30 32 30 29 29 28 28 29 27 26 24 23 21 21 19
RH                     92 96 96 92 60 56 70 75 78 85 92 88 55 51 69 78 84 88 88
Wind dir                W  W SW SW SW SW SW SW SW  W  W NW NW NW NW NW  N  N NE
Wind spd                3  4  5  6 11 12  9 10 10  8  8  6  9  9  5  4  3  3  4
Wind gust                             23
Clouds                 OV OV B1 SC SC FW FW FW SC SC SC SC FW FW FW FW FW SC SC
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis                   F PF  F
Wind chill                   23 23 36    33 29 27 25 23 26 36                16
Min chill              25    23    22    32    25    22    22    26    18    16


Date           12/20/17  Thu 12/21/17  Fri 12/22/17  Sat 12/23/17  Sun 12/24/17
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          38      28    40      25    31      13    22       8    19
Temp          35 31 30   29 40 34 29   25 31 25 19   13 22 17 14    8 16 13
Dewpt         20 20 23   26 31 30 26   25 23 19 15    9 11 10  8    7  8  8
PWind dir         E      SE     E      NE    NW      NW    NW      NW    NW
Wind char        LT      GN    GN      GN    GN      GN    GN      LT    GN
Avg clouds    B1 B1 B1   B2 OV OV OV   B2 B2 B2 B1   B1 B1 B1 B2   B1 B2 B2
PoP 12hr          0       5    50      70    30       5     5      20    40
Rain                         C  C
Snow                         C  C  L    C  S  C                     S  C  C

$$
IAZ048-181000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
1121 PM CST Sun Dec 17 2017

Date           12/17/17      Mon 12/18/17            Tue 12/19/17            Wed
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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          50          31          47          24
Temp                   29 28 27 31 44 50 40 37 36 34 31 34 44 46 37 32 27 27 24
Dewpt                  26 26 26 28 32 32 30 30 29 28 27 28 28 26 24 23 22 23 20
RH                     88 92 96 88 62 50 67 75 75 78 85 78 53 45 59 69 81 85 84
Wind dir                W  W SW SW SW SW SW SW SW  W  W NW NW NW  N  N NE  E  E
Wind spd                4  4  5  9 12 12  9 10 10  8  6  6  9  8  5  3  3  4  4
Wind gust                             23
Clouds                 B2 B2 B1 SC FW CL FW FW SC SC SC SC FW FW FW FW FW SC SC
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis                     PF PF
Wind chill             23 22 21 23 38    34 30 29 27 24 28                   18
Min chill              22    20    20    33    28    24    24    31    20    17


Date           12/20/17  Thu 12/21/17  Fri 12/22/17  Sat 12/23/17  Sun 12/24/17
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          43      31    43      24    31      14    24      11    21
Temp          39 35 33   32 43 37 29   24 31 26 20   14 24 19 16   11 17 16
Dewpt         21 23 26   30 35 32 26   22 20 17 13   10 11 11  9    8  8  8
PWind dir        SE      SE     E       N    NW      NW    NW       N     N
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC B1   B2 OV OV OV   B2 B2 B1 B1   SC B1 B2 B2   B2 B2 B2
PoP 12hr          0       5    60      70    30       5     5      30    30
Rain                         S  L  L
Snow                         S     L    C  S  C                     C  C  C

$$
IAZ004-181000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
1121 PM CST Sun Dec 17 2017

Date           12/17/17      Mon 12/18/17            Tue 12/19/17            Wed
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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          45          28          40          21
Temp                   24 27 27 28 40 45 37 35 34 31 28 30 38 39 31 27 24 24 21
Dewpt                  22 25 24 26 29 30 27 27 26 27 26 26 23 21 20 19 18 19 18
RH                     92 92 88 92 64 55 67 72 72 85 92 85 54 48 63 71 77 81 88
Wind dir               SW SW SW SW SW SW SW SW  W  W NW NW NW NW NW NW NE  E  E
Wind spd                5  6  8 12 16 16 12 12 11 10  9  9 11 10  5  3  3  4  6
Wind gust                             26
Clouds                 B2 B1 SC SC SC FW SC SC B1 SC SC SC FW FW FW SC SC B1 B1
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis                        PF
Wind chill             17 20 19 18 32 38 29 26 26 23 19 22 31 32 24       18 12
Min chill              17    18    17    28    25    19    19    23    17    11


Date           12/20/17  Thu 12/21/17  Fri 12/22/17  Sat 12/23/17  Sun 12/24/17
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          39      27    33      15    22       8    17       2    12
Temp          35 31 31   28 32 25 20   15 22 16 14    8 17 12  9    2  9  5
Dewpt         19 21 24   26 25 22 17   14 13 12  9    6  9  7  4    2  4  4
PWind dir        SE      SE    NE       N    NW      NW    NW      NW     N
Wind char        GN      GN    GN      BZ    GN      GN    GN      GN    GN
Avg clouds    B1 B1 B2   OV OV OV OV   B2 B2 B1 B1   B1 B1 B1 B1   B1 B2 B2
PoP 12hr          0      10    80      60    40       5    10      10    20
Snow                         L  D  L    C  C  C                        S  S

$$
IAZ035-181000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
1121 PM CST Sun Dec 17 2017

Date           12/17/17      Mon 12/18/17            Tue 12/19/17            Wed
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      25          49          30          44          23
Temp                   29 29 28 29 44 49 40 37 36 33 31 32 42 43 34 29 25 25 23
Dewpt                  26 26 25 27 31 30 28 27 27 27 26 28 27 25 23 22 20 21 18
RH                     88 88 88 92 60 48 62 67 69 78 81 85 55 49 64 75 81 84 81
Wind dir               SW SW SW  S SW SW SW SW SW  W NW NW NW NW  N  N NE  E  E
Wind spd                4  4  5 10 13 13 10 11 10  8  6  8  9  9  5  3  3  4  4
Clouds                 B2 B2 SC SC FW FW FW SC SC SC SC FW FW FW FW FW SC SC 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                   22 20 37    33 29 29 26 24 26 36                17
Min chill              24    21    20    31    27    23    22    29    20    16


Date           12/20/17  Thu 12/21/17  Fri 12/22/17  Sat 12/23/17  Sun 12/24/17
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          42      31    39      20    28      11    21       8    18
Temp          38 35 34   31 39 31 23   20 28 22 16   12 21 15 12    8 15 13
Dewpt         20 22 26   29 32 27 22   19 17 15 11    9 10  9  7    5  6  7
PWind dir        SE      SE     E       N    NW      NW    NW      NW     N
Wind char        GN      GN    GN      GN    GN      GN    GN      LT    GN
Avg clouds    SC SC B2   B2 OV OV OV   B2 B2 B1 B1   B1 B1 B2 B2   B1 B2 B2
PoP 12hr          0       5    80      70    30       5    10      30    30
Rain                         C  D
Snow                         C  D  L    C  C  C                     C  C  S

$$
IAZ094-181000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
1121 PM CST Sun Dec 17 2017

Date           12/17/17      Mon 12/18/17            Tue 12/19/17            Wed
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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          53          34          52          28
Temp                   37 36 33 34 47 53 44 41 39 37 34 37 49 51 42 37 34 30 28
Dewpt                  35 33 31 31 34 34 32 32 32 32 30 30 31 30 27 27 24 24 22
RH                     92 89 92 89 60 48 62 70 76 82 85 75 50 44 55 67 66 78 78
Wind dir                W  W SW SW SW SW SW SW SW SW  W NW  N  N NE NE NE  E  E
Wind spd                5  6  6  9 14 14 10 12 11 10  8  6  8  8  5  5  6  5  6
Clouds                 OV B2 SC FW FW FW CL CL FW FW SC SC FW SC SC FW FW FW SC
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis                   F  F  F
Wind chill                30 27 27       38 34 32 30 27                28 24 21
Min chill              32    26    26    38    32    27    27    38    28    21


Date           12/20/17  Thu 12/21/17  Fri 12/22/17  Sat 12/23/17  Sun 12/24/17
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          47      36    51      26    34      16    28      13    25
Temp          44 41 39   37 50 43 32   26 34 27 21   17 28 22 19   13 21 18
Dewpt         22 26 32   35 41 37 29   24 19 17 13   11 12 12 10    9  9  9
PWind dir        SE      SE    SE       N    NW      NW    NW       N     N
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC B1   B1 B2 B2 B2   B2 B2 B1 SC   SC B1 B2 B2   B2 B1 B1
PoP 12hr          0       5    40      30    10       5     5      30    40
Rain                            C  C
Snow                               C    S                           C  C  C

$$
IAZ017-181000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
1121 PM CST Sun Dec 17 2017

Date           12/17/17      Mon 12/18/17            Tue 12/19/17            Wed
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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          45          29          41          20
Temp                   29 28 28 28 40 45 36 35 33 32 29 31 39 40 30 26 22 22 20
Dewpt                  27 26 26 27 30 31 29 28 27 27 27 28 25 24 22 21 19 20 18
RH                     92 92 92 96 67 58 75 75 78 81 92 88 57 52 72 81 88 92 92
Wind dir                W SW SW SW SW SW SW SW  W  W NW NW NW NW NW NW  N NE  E
Wind spd                5  5  5 10 14 13 11 12 11 10  9  9 11 10  6  4  4  4  4
Clouds                 OV B2 B1 SC FW FW SC SC SC SC SC FW FW FW FW FW SC SC B1
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis                     PF PF
Wind chill             23 22 22 19 32 39 28 26 24 24 20 23 32 33 23 20 16    13
Min chill              22    21    19    28    24    20    20    23    16    12


Date           12/20/17  Thu 12/21/17  Fri 12/22/17  Sat 12/23/17  Sun 12/24/17
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          37      27    35      21    27      10    18       5    15
Temp          34 29 30   28 35 28 24   21 26 21 16   10 18 12 10    5 11  8
Dewpt         19 20 22   25 29 26 22   20 19 16 11    8  9  8  6    4  6  5
PWind dir        SE      SE     E       N    NW      NW    NW      NW     N
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B1 B2   OV OV OV OV   OV B2 B2 B1   B1 B1 B2 B2   B1 B2 B2
PoP 12hr          0      10    80      70    40      10     5      20    20
Rain                            D
Snow                         C  D  L    L  C  C                     S  S  S

$$
IAZ049-181000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
1121 PM CST Sun Dec 17 2017

Date           12/17/17      Mon 12/18/17            Tue 12/19/17            Wed
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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          48          30          46          23
Temp                   30 29 27 30 44 48 39 36 35 32 30 32 43 45 34 29 26 25 23
Dewpt                  28 27 26 27 30 32 30 30 29 28 27 28 28 25 24 23 22 21 19
RH                     92 92 96 88 57 54 70 79 78 85 88 85 55 45 66 78 85 84 84
Wind dir                W  W SW SW SW SW SW SW SW  W  W NW NW NW NW  N  N NE  E
Wind spd                3  5  5  8 12 13 10 10 10  8  6  6  9  9  5  4  3  3  5
Wind gust                             24
Clouds                 OV B2 B1 SC FW FW FW FW SC SC SC SC FW FW FW FW FW SC SC
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis                  PF PF PF
Wind chill                23 21 22 37    32 28 27 25 23 26 37                16
Min chill              25    20    21    32    27    22    23    29    20    15


Date           12/20/17  Thu 12/21/17  Fri 12/22/17  Sat 12/23/17  Sun 12/24/17
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          41      29    41      25    31      13    23       9    20
Temp          37 32 32   30 41 35 30   25 31 25 20   13 23 17 15    9 17 13
Dewpt         20 20 24   27 32 31 27   24 22 18 15    9 11 10  8    7  8  8
PWind dir        SE      SE     E       N    NW      NW    NW       N     N
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC B1   B2 OV OV OV   B2 B2 B2 B1   SC B1 B2 B2   B2 B2 B2
PoP 12hr          0       5    50      70    20       5     5      20    30
Rain                         S  C  L
Snow                         S     L    C  S  S                     S  C  C

$$
IAZ086-181000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
1121 PM CST Sun Dec 17 2017

Date           12/17/17      Mon 12/18/17            Tue 12/19/17            Wed
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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          52          35          50          26
Temp                   38 36 33 34 47 52 43 41 39 37 35 38 47 49 40 35 30 29 26
Dewpt                  37 34 31 31 33 34 32 33 33 32 30 31 31 30 27 25 23 24 21
RH                     96 92 92 89 58 50 65 73 79 82 82 76 53 48 59 66 75 81 81
Wind dir                W  W  W SW SW SW SW SW SW SW  W  W NW NW  N  N NE NE  E
Wind spd                5  5  6  6 11 13 10 11 12 10  9  8  9  8  5  5  4  4  5
Clouds                 OV OV B1 SC SC FW FW FW FW FW SC SC FW SC SC FW FW SC SC
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis                   F  F  F
Wind chill                      28          34 31 30 28 32                   19
Min chill              33    27    27    36    30    27    27    36    24    18


Date           12/20/17  Thu 12/21/17  Fri 12/22/17  Sat 12/23/17  Sun 12/24/17
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          44      33    49      29    36      18    28      14    25
Temp          41 36 35   34 48 43 36   29 36 30 24   18 28 23 20   14 21 19
Dewpt         21 21 25   29 37 36 32   28 25 20 16   12 13 11 11   10 10  9
PWind dir        SE      SE    SE       N    NW      NW    NW       N     N
Wind char        LT      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC SC   B1 B2 B2 B2   B2 B2 B2 B1   B1 B1 B2 B2   B2 B2 B2
PoP 12hr          0       0    20      40    30       5     5      10    40
Rain                            S  C    S  C
Snow                                    S  C                           C  C

$$



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