Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
1107 PM CST Fri Nov 17 2017

IAZ060-181000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
1107 PM CST Fri Nov 17 2017

Date           11/17/17      Sat 11/18/17            Sun 11/19/17            Mon
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                      37          43          25          46          33
Temp                   46 43 39 37 41 43 37 31 28 26 25 29 41 46 39 34 34 33 35
Dewpt                  45 40 36 31 29 29 25 23 21 19 18 19 22 25 26 27 27 26 27
RH                     96 89 89 79 62 57 61 72 75 74 74 66 46 43 59 75 75 75 72
Wind dir                N  N  N  N NW NW NW NW NW NW NW  W  W SW  S  S SW SW  S
Wind spd               10 13 21 19 21 23 14 12 10  9  8  8  9 10  6  8  8  8 10
Wind gust                                   23
Clouds                 OV OV OV OV SC FW FW FW CL CL CL FW FW CL CL CL FW FW FW
PoP 12hr                     90          80           0           0           0
QPF 12hr                   0.14        0.04           0           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle
Rain                    S  L  L  C
Obvis                  PF
Wind chill                34 29 27 31 33 28 22 19 18 16 22 35       27 28 26 27
Min chill                    27    25    26    19    15    16    33    26    25


Date           11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17  Fri 11/24/17
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          55      35    41      20    37      27    47      33    50
Temp          52 49 42   35 41 34 25   21 35 35 32   28 45 43 35   35 49 44
Dewpt         32 32 31   27 22 16 12   11 14 16 18   19 26 27 29   30 36 34
PWind dir        SW      SW    NW      NW     W       S    SW      SW    SW
Wind char        GN      GN    GN      LT    LT      LT    LT      LT    GN
Avg clouds    FW FW SC   SC SC FW FW   FW FW SC SC   SC SC FW FW   SC SC SC
PoP 12hr          0       0     0       0     0       5     0       0    10

$$
IAZ039-181000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
1107 PM CST Fri Nov 17 2017

Date           11/17/17      Sat 11/18/17            Sun 11/19/17            Mon
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                      36          39          21          39          29
Temp                   41 40 38 36 38 38 31 27 24 22 21 25 34 39 33 30 30 29 31
Dewpt                  40 37 35 32 29 28 24 21 18 16 14 15 18 22 23 25 27 27 27
RH                     96 89 89 85 70 67 75 78 77 77 74 65 51 50 66 81 88 92 85
Wind dir                N  N  N  N NW NW NW NW NW NW NW NW  W SW  S SW SW  S  S
Wind spd                9 13 19 19 21 23 17 16 13 11 10 10  9 10  6  6  6  6  8
Wind gust                                28 27 24
Clouds                 OV OV OV OV SC FW SC FW FW CL CL FW SC FW CL CL FW FW SC
PoP 12hr                     60          50           0           0           0
QPF 12hr                   0.10        0.03           0           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle
Rain                    C  L  C  C
Snow                             C
Obvis                   F
Wind chill             35 31 28 25 27 27 20 15 12 10 10 15 26 32 27 23 23 22 24
Min chill              35    28    25    19    11     9    10    26    22    22


Date           11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17  Fri 11/24/17
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          51      31    36      19    32      24    42      29    44
Temp          48 44 38   31 36 28 23   20 31 29 29   25 41 37 31   31 44 37
Dewpt         32 33 31   27 20 16 12   11 14 16 18   19 24 26 27   28 33 32
PWind dir         S      SW    NW      NW     W       S    SW      SW    SW
Wind char        GN      GN    GN      GN    LT      LT    LT      LT    LT
Avg clouds    FW FW FW   SC FW FW FW   FW FW SC B1   SC SC FW FW   SC SC B1
PoP 12hr          0       0     0       0     0       5     0       5     5

$$
IAZ048-181000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
1107 PM CST Fri Nov 17 2017

Date           11/17/17      Sat 11/18/17            Sun 11/19/17            Mon
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                      36          41          23          44          31
Temp                   44 41 38 36 40 40 35 29 27 25 23 29 40 44 36 33 31 31 32
Dewpt                  42 38 34 30 28 28 25 22 19 18 17 19 23 26 27 27 27 26 27
RH                     93 89 85 79 62 62 66 75 71 74 77 66 50 49 69 78 85 81 81
Wind dir                N  N  N NW NW NW NW NW NW NW NW  W  W SW  S  S  S  S  S
Wind spd               11 14 21 19 21 23 16 13 11 10  9  9  9 10  6  6  6  6  8
Wind gust                                26
Clouds                 OV OV OV B2 FW FW FW CL CL CL CL FW FW FW CL CL FW FW FW
PoP 12hr                     80          60           0           0           0
QPF 12hr                   0.13        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle
Rain                    C  L  C  S
Snow                             S
Obvis                  PF
Wind chill             38 32 27 25 30 30 24 19 17 15 13 20 34 38    27 25 24 25
Min chill              37    27    25    23    17    13    14    30    24    22


Date           11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17  Fri 11/24/17
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          53      32    39      19    36      26    45      31    48
Temp          49 45 40   32 39 31 23   20 34 32 31   27 44 39 33   33 47 42
Dewpt         32 32 31   26 21 15 12   11 14 17 18   19 27 28 28   29 36 34
PWind dir        SW      SW    NW      NW     W       S    SW      SW     W
Wind char        GN      GN    GN      GN    LT      LT    LT      LT    GN
Avg clouds    FW FW SC   SC SC FW FW   FW FW SC B1   SC SC FW FW   SC SC B1
PoP 12hr          0       0     0       0     0       5     0       0    10

$$
IAZ004-181000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
1107 PM CST Fri Nov 17 2017

Date           11/17/17      Sat 11/18/17            Sun 11/19/17            Mon
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                      30          36          19          42          28
Temp                   37 35 30 31 35 35 28 24 22 21 19 26 37 42 34 32 29 29 28
Dewpt                  33 29 24 22 23 22 19 17 14 14 14 17 22 25 26 26 26 24 24
RH                     85 78 78 69 61 59 68 74 71 74 80 68 54 50 72 78 88 81 85
Wind dir                N  N  N NW NW NW NW NW NW NW  W  W SW SW SW SW SW SW  S
Wind spd               13 16 17 18 23 25 17 13 11 10  8  9 13 12  9  9  8  8  9
Wind gust                             35
Clouds                 OV OV B2 SC FW FW FW CL FW CL FW FW FW FW CL FW FW FW SC
PoP 12hr                     30          10           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle
Rain                    C
Snow                    S  C
Wind chill             28 24 18 19 23 22 15 12 11 10  9 17 29 35 27 24 21 21 19
Min chill              26    18    18    14     9     8     9    27    20    19


Date           11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17  Fri 11/24/17
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          50      25    31      15    32      23    43      28    44
Temp          47 42 35   25 31 25 19   16 30 32 30   24 42 37 31   29 44 36
Dewpt         29 30 26   21 13 11  8    7 10 15 17   19 24 27 27   27 33 30
PWind dir        SW       W    NW      NW    SW       S    SW       W     W
Wind char        GN      GN    BZ      GN    GN      GN    GN      LT    GN
Avg clouds    FW FW SC   SC FW FW FW   FW FW SC B1   SC SC FW FW   SC SC B1
PoP 12hr          0       0     0       0     0       5     0       0     0

$$
IAZ035-181000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
1107 PM CST Fri Nov 17 2017

Date           11/17/17      Sat 11/18/17            Sun 11/19/17            Mon
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                      33          39          22          44          30
Temp                   40 37 35 33 38 38 31 27 25 23 22 27 39 44 36 31 31 30 31
Dewpt                  38 34 30 26 26 25 22 19 17 16 15 18 23 26 26 27 27 25 25
RH                     92 89 82 75 62 59 69 71 71 74 74 68 52 49 67 85 85 81 78
Wind dir                N  N  N  N NW NW NW NW NW NW  W  W SW SW  S SW  S  S  S
Wind spd               11 13 12 12 16 17 16 12 10  9  6  8 10 11  8  8  8  8  9
Wind gust                                26 23
Clouds                 OV OV OV B1 CL FW FW CL FW CL CL FW FW FW CL CL FW FW SC
PoP 12hr                     50          30           0           0           0
QPF 12hr                   0.08           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle
Rain                    C  C  S
Snow                          S
Wind chill             33 28 26 24 29 29 20 16 15 13 13 19 32 38 30 24 24 22 23
Min chill              33    25    24    19    13    12    14    30    24    22


Date           11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17  Fri 11/24/17
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          53      29    36      18    35      25    45      30    47
Temp          49 46 37   29 36 29 22   19 33 33 32   26 44 40 33   32 46 40
Dewpt         31 31 28   24 18 13 10    9 13 15 17   19 25 27 27   28 34 32
PWind dir        SW       W    NW      NW    SW       S    SW      SW     W
Wind char        GN      GN    GN      GN    LT      LT    GN      LT    GN
Avg clouds    FW FW SC   SC FW FW FW   FW FW SC B1   SC SC FW FW   SC SC B1
PoP 12hr          0       0     0       0     0       5     0       0     5

$$
IAZ094-181000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
1107 PM CST Fri Nov 17 2017

Date           11/17/17      Sat 11/18/17            Sun 11/19/17            Mon
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                      38          44          26          46          34
Temp                   51 46 40 38 42 44 38 33 29 27 26 32 42 46 39 35 35 34 35
Dewpt                  48 42 37 33 30 30 27 24 21 20 20 21 24 26 27 27 27 26 27
RH                     89 86 89 82 62 57 64 69 72 74 78 63 48 45 62 72 72 72 72
Wind dir                N  N  N  N NW NW NW NW NW NW  W  W  W SW  S  S  S  S  S
Wind spd                9 16 24 23 23 24 16 14 10  9  9  8 10 11  8  8 10 10 12
Clouds                 OV OV OV OV SC FW FW CL CL CL CL CL CL CL CL CL FW FW FW
PoP 12hr                     90          90           0           0           0
QPF 12hr                   0.07        0.09           0           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle
Rain                    S  L  D  C
Obvis                  F+ PF
Wind chill                   30 27 32 35 29 23 20 18 18 25          28 27 26 26
Min chill                    30    27    28    20    17    18    33    27    26


Date           11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17  Fri 11/24/17
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          55      35    45      21    38      28    48      34    52
Temp          51 48 42   35 45 36 26   22 37 35 31   30 47 43 36   36 52 45
Dewpt         31 31 30   28 24 17 13   12 15 17 19   20 27 28 29   31 36 35
PWind dir        SW      SW    NW       N     W       S    SW      SW    SW
Wind char        BZ      GN    GN      LT    LT      LT    GN      LT    GN
Avg clouds    FW FW SC   SC SC FW FW   FW FW SC SC   SC SC FW FW   FW SC SC
PoP 12hr          0       0     0       0     0       0     0       0    10

$$
IAZ017-181000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
1107 PM CST Fri Nov 17 2017

Date           11/17/17      Sat 11/18/17            Sun 11/19/17            Mon
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                      33          36          19          39          28
Temp                   39 37 34 33 35 35 28 24 22 21 19 25 35 39 31 30 30 29 28
Dewpt                  37 34 31 27 26 24 21 18 15 13 12 15 19 23 24 27 27 26 25
RH                     92 89 89 78 69 64 75 77 74 71 74 65 52 52 75 88 88 88 88
Wind dir                N  N  N NW NW NW NW NW NW NW NW  W SW SW  S SW SW SW  S
Wind spd               11 13 19 18 23 25 18 17 14 13 11 10 11 12  9  8  8  8  8
Wind gust                             35 29    25
Clouds                 OV OV OV B2 FW FW FW FW FW CL FW FW SC FW FW CL FW FW SC
PoP 12hr                     50          20           0           0           0
QPF 12hr                   0.05           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle
Rain                    C  C
Snow                       S
Obvis                  PF
Wind chill             31 27 23 22 23 23 16 10  9  8  7 15 27 31 23 22 22 21 20
Min chill              30    22    21    15     8     6     9    23    20    20


Date           11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17  Fri 11/24/17
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          49      27    32      16    31      23    41      27    43
Temp          46 42 34   27 32 25 21   16 30 28 28   24 40 36 29   29 43 34
Dewpt         31 31 28   24 17 13 11   10 13 15 17   18 23 26 26   27 32 31
PWind dir         S       W    NW      NW     W       S    SW      SW     W
Wind char        GN      GN    BZ      GN    LT      GN    GN      LT    GN
Avg clouds    FW FW SC   SC FW FW FW   FW FW SC B1   SC SC FW FW   SC SC B1
PoP 12hr          0       0     0       0     0       0     0       0     5

$$
IAZ049-181000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
1107 PM CST Fri Nov 17 2017

Date           11/17/17      Sat 11/18/17            Sun 11/19/17            Mon
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                      36          40          21          41          29
Temp                   43 41 38 36 39 39 32 27 25 22 21 26 35 41 34 30 30 29 30
Dewpt                  41 38 35 32 29 27 24 21 18 16 15 17 20 23 24 26 27 26 27
RH                     93 89 89 85 67 62 72 78 74 77 77 68 54 48 66 85 88 88 88
Wind dir                N  N  N NW NW NW NW NW NW NW NW  W  W SW  S SW  S  S  S
Wind spd               11 14 21 21 23 25 19 16 12 11 10 10  9 10  8  8  6  8  9
Wind gust                             35 29 26 23
Clouds                 OV OV OV OV SC FW FW FW CL CL CL FW FW FW CL CL FW FW FW
PoP 12hr                     80          60           0           0           0
QPF 12hr                   0.12        0.03           0           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle
Rain                    C  L  L  C
Snow                             C
Obvis                  PF
Wind chill             37 32 28 25 28 28 20 15 13 11 10 16 28 35 27 22 23 21 22
Min chill              36    27    25    19    12     9    11    26    21    20


Date           11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17  Fri 11/24/17
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          51      31    37      18    33      24    43      29    46
Temp          48 44 39   31 37 29 22   19 32 28 27   26 42 38 31   32 46 37
Dewpt         32 32 31   27 21 16 11   11 14 16 18   19 25 27 27   28 33 32
PWind dir        SW      SW    NW      NW     W       S    SW      SW    SW
Wind char        GN      GN    GN      GN    LT      LT    GN      LT    GN
Avg clouds    FW FW FW   SC FW FW FW   FW FW SC B1   SC SC FW FW   SC SC B1
PoP 12hr          0       0     0       0     0      10     0       0    10

$$
IAZ086-181000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
1107 PM CST Fri Nov 17 2017

Date           11/17/17      Sat 11/18/17            Sun 11/19/17            Mon
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                      39          43          25          43          32
Temp                   48 45 42 38 40 43 37 32 28 26 25 29 39 43 36 32 33 33 34
Dewpt                  47 43 39 35 32 30 27 25 21 20 18 19 20 22 24 26 27 26 27
RH                     96 93 89 89 73 60 67 75 75 78 74 66 46 43 61 78 78 75 75
Wind dir                N  N  N  N NW NW NW NW NW NW NW NW  W  W  S  S SW SW SW
Wind spd                6 13 20 25 24 23 17 16 11 11 10 10 10 10  8  8  9 10 11
Wind gust                       35
Clouds                 OV OV OV OV B2 FW FW FW CL CL CL FW FW FW CL CL FW CL FW
PoP 12hr                     80          90           0           0           0
QPF 12hr                   0.08        0.17           0           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle
Rain                    S  C  D  L
Obvis                  PF
Wind chill                39 33 27 30 34 27 21 18 15 15 20 33    30 25 26 25 26
Min chill                    33    27    26    17    13    15    28    23    23


Date           11/20/17  Tue 11/21/17  Wed 11/22/17  Thu 11/23/17  Fri 11/24/17
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          54      36    43      22    37      27    45      32    50
Temp          51 47 42   36 43 34 26   23 36 33 30   28 44 40 34   34 49 43
Dewpt         32 32 31   30 24 18 13   12 15 17 18   20 24 27 28   29 35 34
PWind dir        SW      SW    NW      NW    NW      SW    SW      SW    SW
Wind char        GN      GN    GN      GN    LT      LT    GN      LT    GN
Avg clouds    FW FW FW   SC SC FW FW   FW FW FW SC   SC SC SC FW   FW SC SC
PoP 12hr          0       0     0       0     0       5     0       5    10

$$



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