Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
1151 PM CDT Sun Oct 22 2017

IAZ060-231000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
1151 PM CDT Sun Oct 22 2017

Date           10/22/17      Mon 10/23/17            Tue 10/24/17            Wed
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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                      45          63          40          51          38
Temp                   48 47 47 54 59 63 55 50 46 43 40 44 49 51 47 42 39 38 39
Dewpt                  41 40 39 40 41 36 36 35 33 34 31 29 29 28 28 29 30 30 30
RH                     77 76 74 59 51 36 49 56 60 70 70 55 46 41 47 60 70 73 70
Wind dir                S  S SW NW NW NW NW NW NW NW NW NW NW NW NW NW NW  W  W
Wind spd                5  5  6 11 19 24 20 14 13 16 19 23 23 21 12 10  6  6  8
Wind gust                                   25          33 33 32 23
Clouds                 CL FW FW SC SC FW SC SC SC FW SC FW FW FW FW FW SC SC SC
PoP 12hr                      0          10           5           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill                                        35 32 36          36
Min chill                                      39    31    31          33    31


Date           10/25  Thu 10/26/17  Fri 10/27/17  Sat 10/28/17  Sun 10/29/17
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          63      44    62      37    44      31    43      31    47
Temp          59 57   48 46 61 55   43 37 43 43   35 32 42 41   37 32 46 42
Dewpt         36 38   37 38 40 39   32 29 26 26   26 25 27 27   27 27 29 28
PWind dir         W       S     S      NW    NW      NW    NW       W     W
Wind char        GN      LT    GN      GN    GN      GN    GN      LT    GN
Avg clouds    SC FW   FW FW SC B1   B1 B1 B1 B2   B1 B1 B1 B1   SC SC SC SC
PoP 12hr          0       0     0       5    20      10    20       5     5
Rain                                          S          S
Snow                                                     S

$$
IAZ039-231000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
1151 PM CDT Sun Oct 22 2017

Date           10/22/17      Mon 10/23/17            Tue 10/24/17            Wed
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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          61          39          47          35
Temp                   45 44 44 51 58 61 53 47 45 41 39 41 46 47 43 40 37 35 36
Dewpt                  42 40 41 42 44 40 39 38 34 33 32 32 31 29 30 29 30 31 31
RH                     89 86 89 71 59 46 59 71 65 73 76 70 55 49 60 64 75 85 82
Wind dir                S  S  S  W NW NW NW NW NW NW NW NW NW NW NW NW NW  W  W
Wind spd                5  4  6 10 13 18 19 16 16 16 20 23 21 20 12 11  6  6  8
Wind gust                                   27       31 33 32 31 23
Clouds                 CL FW FW B2 SC SC B1 B2 B1 SC B1 B1 B1 SC SC FW SC SC SC
PoP 12hr                      0          20          10          10           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                       S
Wind chill                                     39 33 30 32 38    37 33    29 30
Min chill                    39    38          38    30    29    35    30    28


Date           10/25  Thu 10/26/17  Fri 10/27/17  Sat 10/28/17  Sun 10/29/17
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          58      38    58      36    44      31    42      30    44
Temp          55 51   42 40 57 51   42 36 43 42   36 31 41 38   35 31 44 37
Dewpt         36 37   37 37 39 39   34 31 28 29   27 26 29 29   29 28 30 28
PWind dir        NW       E    SE       N    NW      NW    NW       W     W
Wind char        GN      LT    GN      GN    GN      GN    GN      LT    GN
Avg clouds    SC FW   FW SC SC B1   B1 B1 B2 B2   B2 B1 B1 B1   B1 B1 SC SC
PoP 12hr          0       0     5      10    30      20    30      10     5
Rain                                       C  C    S     C  C
Snow                                       C             C

$$
IAZ048-231000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
1151 PM CDT Sun Oct 22 2017

Date           10/22/17      Mon 10/23/17            Tue 10/24/17            Wed
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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                      42          63          39          51          37
Temp                   46 45 45 52 59 63 55 49 45 41 39 42 48 51 45 41 40 37 38
Dewpt                  40 39 40 41 41 35 37 35 32 33 30 30 29 27 28 28 30 30 32
RH                     79 79 82 66 51 35 51 58 60 73 70 62 47 39 51 59 67 75 79
Wind dir                S  S SW NW NW NW NW NW NW NW NW NW NW NW NW NW NW  W  W
Wind spd                5  5  6 11 19 25 23 17 13 16 20 24 24 23 14 10  6  6  9
Wind gust                                            31 35
Clouds                 CL FW FW B1 SC SC B1 B1 SC FW SC FW SC FW FW FW SC SC SC
PoP 12hr                      0          20           5           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill                                     39 33 30 33       39 34       32
Min chill                                      38    30    29    36    32    30


Date           10/25  Thu 10/26/17  Fri 10/27/17  Sat 10/28/17  Sun 10/29/17
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          62      41    60      36    42      29    42      30    46
Temp          58 54   45 43 59 52   42 36 41 41   35 30 41 39   36 31 45 40
Dewpt         36 37   36 38 39 38   31 29 26 26   26 25 27 28   27 26 29 28
PWind dir        NW      SE    SE      NW    NW      NW    NW       W    NW
Wind char        GN      LT    GN      GN    GN      GN    GN      LT    GN
Avg clouds    SC FW   FW FW SC B1   B1 B1 B1 B2   B1 B1 B1 B1   B1 SC SC SC
PoP 12hr          0       0     5      10    20      10    20       5     5
Rain                                       S  S          S
Snow                                       S             S

$$
IAZ004-231000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
1151 PM CDT Sun Oct 22 2017

Date           10/22/17      Mon 10/23/17            Tue 10/24/17            Wed
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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                      43          60          35          49          36
Temp                   47 46 47 53 60 58 51 45 42 39 35 40 45 49 43 37 39 36 38
Dewpt                  35 36 38 40 37 32 36 32 32 29 28 28 28 26 29 29 30 30 32
RH                     63 68 71 61 42 37 56 60 67 67 75 62 51 40 57 72 70 79 79
Wind dir                S SW  W  W NW NW NW NW NW NW NW NW NW NW NW NW  W  W  W
Wind spd                9  9 11 20 26 29 25 16 17 20 23 25 25 25 13 10  9  9 11
Wind gust                                   27          35 35 35 24
Clouds                 SC SC B1 SC SC B2 B1 SC SC FW FW FW FW FW FW FW B1 SC SC
PoP 12hr                      5          20          10           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill                                  38 34 29 24 30 36    36 30 33 29 31
Min chill                    39    38          34    24    25    35    29    29
Wind                                Y  Y


Date           10/25  Thu 10/26/17  Fri 10/27/17  Sat 10/28/17  Sun 10/29/17
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          61      39    54      29    39      25    40      25    42
Temp          57 53   43 40 54 45   34 29 39 35   29 26 39 35   31 26 41 36
Dewpt         35 36   35 36 36 33   27 25 24 24   24 23 24 25   25 24 27 26
PWind dir        NW      SE     W      NW    NW      NW    NW      NW    NW
Wind char        GN      LT    GN      BZ    BZ      GN    GN      GN    GN
Avg clouds    SC FW   SC SC B1 B2   B2 B1 B1 B2   B1 B1 B1 B1   SC SC SC SC
PoP 12hr          0       0    10      30    30      10    10       5    10
Rain                                 S     C  C
Snow                                 S  C  C  C

$$
IAZ035-231000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
1151 PM CDT Sun Oct 22 2017

Date           10/22/17      Mon 10/23/17            Tue 10/24/17            Wed
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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                      44          61          37          50          36
Temp                   47 46 46 53 60 60 52 46 43 41 37 41 47 50 45 40 38 36 38
Dewpt                  36 36 38 40 39 36 35 33 32 31 28 29 28 28 28 29 29 30 31
RH                     65 68 73 61 46 41 52 60 65 67 70 62 47 42 51 64 70 79 76
Wind dir                S  S SW  W NW NW NW NW NW NW NW NW NW NW NW NW  W  W  W
Wind spd                8  8  8 10 17 25 17 13 13 17 20 23 21 21 11 10  8  8  9
Wind gust                                   27
Clouds                 FW FW SC SC FW B1 B1 SC SC FW FW FW FW FW FW FW SC SC SC
PoP 12hr                      0          10          10           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill                                     36 33 27 32          34 32 30 32
Min chill                                      36    27    27    38    31    29


Date           10/25  Thu 10/26/17  Fri 10/27/17  Sat 10/28/17  Sun 10/29/17
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          62      41    58      32    41      27    41      28    45
Temp          58 54   44 43 58 48   38 32 41 37   31 28 40 37   33 29 44 38
Dewpt         35 37   35 36 38 35   29 26 25 25   25 23 26 26   26 25 29 27
PWind dir        NW      SE     W      NW    NW      NW    NW       W    NW
Wind char        GN      LT    GN      GN    BZ      GN    GN      LT    GN
Avg clouds    SC FW   FW SC SC B1   B1 B1 B1 B2   B1 B1 B1 B1   SC SC SC SC
PoP 12hr          0       0     5      20    30      10    10       5    10
Rain                                    S  C  C
Snow                                    S  C

$$
IAZ094-231000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
1151 PM CDT Sun Oct 22 2017

Date           10/22/17      Mon 10/23/17            Tue 10/24/17            Wed
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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                      44          63          39          52          37
Temp                   47 46 46 54 61 63 54 48 44 41 39 44 49 52 45 42 38 37 38
Dewpt                  40 39 39 41 40 37 35 34 33 34 32 32 30 29 28 28 29 29 30
RH                     76 76 76 61 46 38 48 58 65 76 76 62 48 41 51 57 70 72 73
Wind dir                S  S SW NW NW NW NW NW NW NW NW NW NW NW NW NW NW  W  W
Wind spd                6  6  9 14 20 24 20 16 13 14 19 24 23 21 12 10  8  8 10
Wind gust                                               35
Clouds                 CL FW FW FW SC FW SC SC SC FW SC FW FW FW FW FW FW SC SC
PoP 12hr                      0           5           5           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill                                     38 33 30 35       39 36 32 31 31
Min chill                                      38    30    31    38    31    29


Date           10/25  Thu 10/26/17  Fri 10/27/17  Sat 10/28/17  Sun 10/29/17
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          64      44    63      36    45      30    44      29    48
Temp          60 56   48 46 62 55   44 36 45 40   34 31 44 38   35 30 48 40
Dewpt         36 38   37 39 41 39   32 28 26 26   24 24 27 27   26 26 29 27
PWind dir         W       S     S      NW    NW      NW    NW       W     W
Wind char        GN      LT    GN      GN    GN      GN    GN      LT    GN
Avg clouds    SC FW   FW FW SC SC   B1 SC B1 B1   B1 B1 B1 B1   SC SC SC SC
PoP 12hr          0       0     0       5    10      10    20       5     5
Rain                                                     S
Snow                                                     S

$$
IAZ017-231000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
1151 PM CDT Sun Oct 22 2017

Date           10/22/17      Mon 10/23/17            Tue 10/24/17            Wed
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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          60          36          47          35
Temp                   45 45 45 53 58 59 50 46 43 39 36 40 45 47 41 38 37 35 37
Dewpt                  38 38 39 41 40 36 37 35 32 31 30 30 29 28 28 29 30 31 32
RH                     76 76 79 64 51 42 61 65 65 73 79 67 53 47 59 70 75 85 82
Wind dir                S  S SW  W NW NW NW NW NW NW NW NW NW NW NW NW  W  W  W
Wind spd                8  9  9 11 19 25 24 19 18 19 23 24 24 24 14 11  8  8 10
Wind gust                                   29          35
Clouds                 FW FW SC B1 FW B1 B1 B1 SC SC B1 SC SC FW FW FW SC SC SC
PoP 12hr                      0          20          10           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill                                  38 35 30 25 30 37 39 33 31 31 28 30
Min chill              36    39                35    25    26    33    30    28


Date           10/25  Thu 10/26/17  Fri 10/27/17  Sat 10/28/17  Sun 10/29/17
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          58      38    55      33    40      28    39      28    42
Temp          55 50   42 40 55 46   38 33 40 37   33 28 39 34   33 29 42 35
Dewpt         35 36   36 36 37 36   32 29 27 27   26 25 27 27   27 26 29 28
PWind dir        NW       E     S      NW    NW      NW    NW       W    NW
Wind char        GN      LT    GN      GN    BZ      GN    GN      GN    GN
Avg clouds    SC SC   SC SC SC B1   B2 B2 B2 B2   B2 B1 B1 B1   B1 B1 SC SC
PoP 12hr          0       0    10      20    30      20    10       5    10
Rain                                 S  S  C  C    S
Snow                                    S  C       S  S

$$
IAZ049-231000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
1151 PM CDT Sun Oct 22 2017

Date           10/22/17      Mon 10/23/17            Tue 10/24/17            Wed
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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          61          37          48          35
Temp                   45 43 43 51 57 61 52 48 44 41 37 41 46 48 43 39 36 35 36
Dewpt                  41 40 39 40 41 38 37 36 34 32 30 30 29 28 28 28 30 30 30
RH                     86 89 86 66 55 42 56 63 68 70 75 65 51 46 55 64 79 82 79
Wind dir                S  S SW  W NW NW NW NW NW NW NW NW NW NW NW NW NW  W  W
Wind spd                5  5  6 10 17 23 23 17 14 17 20 23 23 23 13 11  6  8  8
Wind gust                                   27                   24
Clouds                 CL FW FW B1 SC SC B1 B2 SC SC SC SC SC SC FW FW SC SC SC
PoP 12hr                      0          20          10           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill                                     37 33 28 32 38    36 32    29 30
Min chill                    38    38          37    27    28    36    30    28


Date           10/25  Thu 10/26/17  Fri 10/27/17  Sat 10/28/17  Sun 10/29/17
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          59      39    58      36    43      29    42      29    45
Temp          56 52   43 41 57 51   41 36 43 40   35 29 41 38   35 30 45 38
Dewpt         34 36   36 37 38 38   33 30 27 28   26 26 27 28   28 27 29 27
PWind dir         W       E    SE       N    NW      NW    NW       W     W
Wind char        GN      LT    GN      GN    GN      GN    GN      LT    GN
Avg clouds    SC FW   FW SC SC B1   B1 B1 B1 B2   B1 B1 B1 B1   B1 SC SC SC
PoP 12hr          0       0     5      10    20      20    20       5     5
Rain                                       S  S    S     S  S
Snow                                       S       S     S

$$
IAZ086-231000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
1151 PM CDT Sun Oct 22 2017

Date           10/22/17      Mon 10/23/17            Tue 10/24/17            Wed
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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                      42          62          40          49          36
Temp                   48 45 46 54 59 62 55 50 46 43 40 44 48 49 44 40 38 36 37
Dewpt                  43 41 40 42 42 41 39 36 35 33 31 31 31 29 28 28 30 29 30
RH                     83 86 79 64 53 46 55 58 65 67 70 60 51 46 53 62 73 75 75
Wind dir                S  S  S  W NW NW NW NW NW NW NW NW NW NW NW NW NW  W  W
Wind spd                5  5  6 11 16 19 19 14 14 14 19 23 23 20 13 11  8  8  9
Wind gust                                   25          33
Clouds                 FW CL FW SC B1 FW SC B1 SC FW SC SC SC SC SC FW SC SC SC
PoP 12hr                      0          10           5           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill                                        36 32 35       38 34 32 30 31
Min chill                                            30    30    36    31    29


Date           10/25  Thu 10/26/17  Fri 10/27/17  Sat 10/28/17  Sun 10/29/17
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          60      42    61      38    46      31    44      32    47
Temp          56 53   46 44 60 55   45 38 46 40   36 31 43 41   36 33 46 42
Dewpt         36 38   37 38 42 41   35 31 29 29   27 26 29 29   28 27 30 29
PWind dir         W       S    SE      NW    NW      NW    NW       W     W
Wind char        GN      LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC FW   FW FW SC SC   B1 B1 B1 B1   B1 B1 B1 B1   B1 SC SC SC
PoP 12hr          0       0     0       5    10      10    30       5     0
Rain                                                     C  C
Snow                                                     C

$$



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