Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
636 AM CST Wed Nov 12 2025

IAZ060-122200-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
636 AM CST Wed Nov 12 2025

Date             Wed 11/12/25            Thu 11/13/25            Fri 11/14/25
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      60          36          62          41          68
Temp                45 57 60 53 46 42 39 36 45 59 62 56 48 46 43 42 48 63 68 62
Dewpt               33 36 36 37 37 35 34 34 36 40 42 43 43 43 42 41 45 50 52 51
RH                  62 45 41 54 71 76 82 92 70 49 48 62 83 89 96 96 89 62 57 67
Wind dir            NW NW  W  W  W  W SW SE  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd             9 11 10  5  4  3  3  2  5  9  9  5  4  3  3  3  4  6  9  6
Clouds              FW FW SC SC B1 B1 SC SC SC B2 B1 SC FW FW FW FW FW FW FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Sat 11/15/25  Sun 11/16/25  Mon 11/17/25  Tue 11/18/25
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            53    67      38    55      34    48      34    47
Temp          56   55 65 60 47   39 52 49 39   35 45 45 39   35 44 44
Dewpt         51   50 46 40 35   31 29 27 26   25 28 32 35   34 37 36
PWind dir           S     W      NW    NW      NE     E       E    NE
Wind char          GN    GN      LT    LT      LT    GN      GN    LT
Avg clouds    SC   B1 B1 SC FW   FW FW FW FW   SC B1 B2 B2   B1 B1 B1
PoP 12hr            0     0       0     0      10    40      40    10
Rain                                               C  C  C    S

$$
IAZ039-122200-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
636 AM CST Wed Nov 12 2025

Date             Wed 11/12/25            Thu 11/13/25            Fri 11/14/25
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      56          31          58          37          65
Temp                42 53 56 48 40 37 35 32 40 54 58 51 44 42 39 37 45 60 64 58
Dewpt               31 34 33 33 33 33 32 32 35 36 37 37 37 38 38 37 41 46 49 50
RH                  65 48 42 56 76 85 89100 82 50 45 59 76 86 96100 86 60 58 75
Wind dir            NW  W  W  W  W  W NW  S SE  S  S SE SE  S SE SE SE  S  S  S
Wind spd            13 16 16 10  6  4  2  2  3  9 10  6  5  5  4  4  5  9 11 10
Clouds              FW CL FW SC B2 B1 SC B2 SC SC SC SC FW FW FW FW 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
Wind chill          36
Min chill        28    30          32    31    31          37    32    34


Date               Sat 11/15/25  Sun 11/16/25  Mon 11/17/25  Tue 11/18/25
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            50    65      35    51      28    45      30    44
Temp          52   51 63 56 43   36 48 43 33   29 42 41 34   30 41 39
Dewpt         51   49 46 38 32   27 23 22 22   21 24 26 29   29 32 32
PWind dir           S     W      NW    NW       N     E       E    NE
Wind char          GN    GN      GN    GN      LT    GN      GN    GN
Avg clouds    SC   B1 B1 SC SC   FW FW FW FW   SC B1 B2 B2   B1 B1 B1
PoP 12hr            0     0       0     0       5    40      40    20
Rain                                               S  C  C    C  S

$$
IAZ048-122200-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
636 AM CST Wed Nov 12 2025

Date             Wed 11/12/25            Thu 11/13/25            Fri 11/14/25
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      57          34          61          39          67
Temp                43 55 57 50 43 39 37 35 44 56 60 54 46 43 41 39 48 61 66 60
Dewpt               34 38 38 38 37 36 34 34 38 40 43 43 42 42 40 39 44 50 52 51
RH                  70 53 49 63 79 89 89 96 79 55 53 66 86 96 96100 86 67 61 72
Wind dir             W  W  W  W  W  W  S SE  S  S  S SE  S  S  S SE SE  S  S  S
Wind spd            10 11 11  5  3  2  1  2  5 10 10  5  4  3  2  2  4  8 10  8
Clouds              FW CL SC B1 B1 B1 B1 SC B1 B1 B1 SC FW FW FW FW 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


Date               Sat 11/15/25  Sun 11/16/25  Mon 11/17/25  Tue 11/18/25
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            50    66      36    54      31    47      32    46
Temp          53   52 64 57 44   37 51 46 36   32 44 42 36   32 43 41
Dewpt         51   49 46 40 34   30 28 27 26   24 28 32 34   32 35 35
PWind dir           S     W      NW    NW      NE     E       E    NE
Wind char          LT    GN      LT    GN      LT    GN      GN    LT
Avg clouds    SC   B1 B1 SC SC   FW FW FW FW   SC B1 B2 B2   B1 B1 B1
PoP 12hr            0     0       0     0      10    40      40    10
Rain                                               C  C  C    C

$$
IAZ004-122200-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
636 AM CST Wed Nov 12 2025

Date             Wed 11/12/25            Thu 11/13/25            Fri 11/14/25
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      54          31          55          34          64
Temp                39 52 54 46 39 36 34 31 39 51 55 49 41 39 37 35 43 58 64 58
Dewpt               31 35 33 34 33 30 30 29 34 38 41 40 39 37 36 35 39 45 47 47
RH                  73 52 45 63 79 79 85 92 82 61 59 71 92 92 96100 86 62 54 67
Wind dir             W  W  W  W  W  W SW SE  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd            13 14 12  8  5  4  3  4  6 10  9  5  5  5  5  5  9 13 14 12
Clouds              FW CL B1 B1 B2 B2 B1 B1 SC SC SC FW FW FW FW FW 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
Wind chill          32
Min chill        28    27          30    25    25          35    29    30


Date               Sat 11/15/25  Sun 11/16/25  Mon 11/17/25  Tue 11/18/25
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            47    61      31    49      27    44      27    41
Temp          52   49 58 52 39   32 46 42 33   28 41 39 32   28 38 37
Dewpt         44   39 40 33 28   22 23 21 20   19 24 25 26   25 30 30
PWind dir          SW    NW      NW    NW       N     E      NE    NE
Wind char          GN    GN      GN    GN      LT    GN      GN    LT
Avg clouds    B1   B2 B1 SC SC   FW FW FW SC   SC B1 B1 B2   B1 B1 B1
PoP 12hr            0     0       0     0       5    40      30    10
Rain                                               S  C  C    S
Snow                                                          S

$$
IAZ035-122200-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
636 AM CST Wed Nov 12 2025

Date             Wed 11/12/25            Thu 11/13/25            Fri 11/14/25
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      56          31          59          37          66
Temp                40 53 56 48 40 37 34 32 42 55 58 52 44 41 39 37 46 60 65 59
Dewpt               33 36 36 35 35 33 32 31 36 39 42 41 41 39 38 37 42 47 50 49
RH                  76 52 47 60 82 85 92 96 79 55 55 66 89 92 96100 86 62 58 69
Wind dir             W  W  W  W  W  W SE SE SE  S  S SE  S  S  S  S  S  S  S  S
Wind spd            10 11 11  5  4  2  2  2  5 10 10  5  4  3  3  3  5  9 11 10
Clouds              FW CL SC B1 B2 B2 SC B1 B1 SC SC SC SC FW FW FW 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
Wind chill          34
Min chill        29    28          34    29    29          38    33    36


Date               Sat 11/15/25  Sun 11/16/25  Mon 11/17/25  Tue 11/18/25
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            50    65      34    52      29    45      29    44
Temp          52   50 63 56 42   35 49 45 34   30 42 40 34   29 41 38
Dewpt         47   45 42 36 32   27 25 24 23   22 25 30 31   29 34 33
PWind dir          SW    NW      NW    NW      NE     E       E    NE
Wind char          GN    GN      LT    GN      LT    GN      GN    LT
Avg clouds    SC   B2 B1 SC SC   FW FW FW SC   SC B1 B2 B2   B1 B1 B1
PoP 12hr            0     0       0     0      10    40      40    10
Rain                                               S  C  C    S

$$
IAZ094-122200-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
636 AM CST Wed Nov 12 2025

Date             Wed 11/12/25            Thu 11/13/25            Fri 11/14/25
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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          38          62          44          68
Temp                46 59 62 54 47 42 40 39 47 58 62 56 50 48 46 44 51 64 68 62
Dewpt               34 35 36 36 36 36 35 34 38 41 44 44 45 46 45 44 49 53 53 52
RH                  63 40 38 50 65 79 82 82 71 53 52 64 83 93 96100 93 67 59 70
Wind dir            NW NW  W  W SW SW  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd             6  8  8  3  2  2  3  4  6 10  9  5  4  4  4  4  5  6  8  5
Clouds              CL CL SC SC SC SC SC SC B2 B2 B1 SC FW FW FW FW SC 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


Date               Sat 11/15/25  Sun 11/16/25  Mon 11/17/25  Tue 11/18/25
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            53    69      40    56      36    50      36    50
Temp          56   54 67 60 47   41 53 49 40   37 47 45 41   37 47 45
Dewpt         54   52 49 41 38   33 32 29 28   27 31 35 37   37 40 38
PWind dir           S     W      NW     N      NE     E       E     N
Wind char          LT    GN      LT    LT      LT    GN      GN    LT
Avg clouds    SC   B1 B1 SC FW   FW FW FW FW   SC B1 B2 B2   B2 B1 B1
PoP 12hr            0     0       0     5      20    50      40     5
Rain                                            S  C  C  C    S

$$
IAZ017-122200-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
636 AM CST Wed Nov 12 2025

Date             Wed 11/12/25            Thu 11/13/25            Fri 11/14/25
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      53          30          56          34          63
Temp                41 52 53 45 37 35 33 31 39 53 56 49 42 40 36 35 43 58 62 56
Dewpt               31 34 33 32 32 32 30 31 35 37 39 39 37 37 36 35 40 45 48 49
RH                  67 50 46 60 82 89 89100 85 54 53 68 82 89100100 89 62 60 77
Wind dir            NW  W  W  W  W  W  W  S  S  S  S SE SE  S SE SE SE  S  S  S
Wind spd            12 14 14  8  5  3  2  2  4  9  9  5  4  3  3  4  5 10 11 10
Wind gust           23 25
Clouds              FW FW SC B1 B2 B1 SC B1 SC SC SC SC FW FW FW FW 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
Wind chill          34
Min chill        27    27    38    29    28    29          35    30    32


Date               Sat 11/15/25  Sun 11/16/25  Mon 11/17/25  Tue 11/18/25
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            48    62      31    48      26    43      27    42
Temp          51   50 61 51 40   32 45 41 31   27 41 39 32   28 39 37
Dewpt         47   45 42 35 30   24 22 21 20   19 24 25 27   26 30 30
PWind dir           S    NW      NW    NW       N     E       E    NE
Wind char          GN    GN      GN    GN      LT    GN      GN    LT
Avg clouds    SC   B2 B1 SC SC   FW FW FW FW   SC B1 B2 B2   B1 B1 B1
PoP 12hr            0     0       0     0       5    40      40    10
Rain                                               S  C  C    S

$$
IAZ049-122200-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
636 AM CST Wed Nov 12 2025

Date             Wed 11/12/25            Thu 11/13/25            Fri 11/14/25
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      56          32          59          37          66
Temp                41 53 56 48 40 37 35 33 42 55 58 52 45 42 39 38 46 61 65 59
Dewpt               32 35 36 34 34 33 32 32 36 38 40 40 39 39 39 38 43 48 51 51
RH                  70 50 47 58 79 85 89 96 79 53 51 63 79 89100100 89 62 60 75
Wind dir             W  W  W  W  W  W NW SE  S  S  S SE  S  S  S SE SE  S  S  S
Wind spd            11 13 12  6  4  3  2  2  4  9  9  5  5  4  3  3  5  8 10  8
Clouds              FW CL FW SC B1 B1 B2 B1 SC B1 SC SC FW FW FW FW 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
Wind chill          35
Min chill        28    28          32    31    29          38    32    35


Date               Sat 11/15/25  Sun 11/16/25  Mon 11/17/25  Tue 11/18/25
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            50    65      36    52      30    46      31    45
Temp          52   51 64 55 43   36 49 44 34   30 43 41 35   31 42 40
Dewpt         51   49 46 39 32   27 26 25 24   22 25 29 31   31 35 33
PWind dir           S     W      NW    NW       N     E       E    NE
Wind char          GN    GN      GN    GN      LT    GN      GN    LT
Avg clouds    SC   B1 B1 SC SC   FW FW FW FW   SC B1 B2 B2   B1 B1 B1
PoP 12hr            0     0       0     0      10    40      40    10
Rain                                               C  C  C    C

$$
IAZ086-122200-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
636 AM CST Wed Nov 12 2025

Date             Wed 11/12/25            Thu 11/13/25            Fri 11/14/25
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      60          36          62          42          70
Temp                44 57 60 52 45 41 38 37 45 59 61 56 48 46 44 43 51 65 69 63
Dewpt               33 34 34 35 35 35 34 34 36 37 40 41 41 43 43 43 48 53 54 54
RH                  65 42 37 52 68 79 85 89 70 44 46 57 77 89 96100 89 65 59 72
Wind dir            NW NW  W  W  W  W SW  S  S  S  S SE  S  S  S  S  S  S  S  S
Wind spd            11 12 11  6  5  3  3  2  5  9  9  6  5  5  4  4  5  6  8  6
Clouds              FW CL FW SC B1 B1 SC SC B1 B2 B1 B1 FW FW FW FW FW FW FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Sat 11/15/25  Sun 11/16/25  Mon 11/17/25  Tue 11/18/25
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            53    70      39    56      32    49      34    50
Temp          55   55 68 60 48   40 53 48 38   33 46 45 39   35 47 45
Dewpt         54   54 52 43 36   33 29 28 26   25 28 32 35   35 38 37
PWind dir           S     W      NW    NW       N     E       E    NE
Wind char          GN    GN      GN    GN      LT    GN      GN    LT
Avg clouds    SC   B1 B1 SC FW   FW FW FW FW   SC B1 B1 B2   B1 B1 B1
PoP 12hr            0     0       0     0      10    40      50    10
Rain                                               C  C  C    C

$$