Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
1157 AM CDT Sun Oct 12 2025

IAZ060-122100-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
1157 AM CDT Sun Oct 12 2025

Date             Sun 10/12/25            Mon 10/13/25            Tue 10/14/25
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                      80          59          72          53          62
Temp                   74 78 75 70 68 63 60 62 69 72 67 61 60 57 54 56 59 61 61
Dewpt                  57 59 58 59 58 55 53 51 49 47 46 46 45 44 45 46 48 49 49
RH                     55 52 55 68 70 75 78 67 49 41 47 58 58 62 71 69 67 65 65
Wind dir               SE  S SE  S  W  N  N  N  N  N  N NE NE NE NE NE  E  E  E
Wind spd               18 19 13 12  9 10 11 12 11 10  8  8  6  8  8  8  8  8  6
Wind gust              32 31 25
Clouds                 SC B1 B1 B1 B2 B2 SC SC SC SC SC B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     10          20          10          20          30
QPF 12hr                      0           0           0           0        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S                             S  S  C  C  S  S  C


Date          Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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          54    68      55    77      59    73      53    71
Temp          57 55 66 65   59 56 72 73   66 60 70 68   59 54 68 65
Dewpt         51 50 55 53   52 50 55 55   54 54 56 54   54 51 52 49
PWind dir         E     E      SE    SE       S    SW      SW     W
Wind char        LT    GN      GN    GN      GN    GN      LT    GN
Avg clouds    B2 B2 B2 B1   B1 B1 SC SC   B1 B1 B1 SC   SC SC SC SC
PoP 12hr         30    10      20    10      20    30      40    30
Rain shwrs     C  C             S             S  C  C    C  C  C  C
Tstms                                                    S  S

$$
IAZ039-122100-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
1157 AM CDT Sun Oct 12 2025

Date             Sun 10/12/25            Mon 10/13/25            Tue 10/14/25
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                      77          58          72          48          62
Temp                   71 76 72 68 65 62 59 63 70 71 65 57 53 51 49 54 60 62 59
Dewpt                  51 53 52 54 55 55 54 51 48 44 43 43 42 40 39 41 40 41 42
RH                     49 45 49 61 70 78 83 65 45 38 45 59 66 66 68 61 47 46 53
Wind dir               SE SE SE  S  S  W  N  N  N  N  N  N NE NE NE NE NE NE NE
Wind spd               19 21 17 16 12 10  9 11 12 11  9  9  8  8  8  9  9 10  8
Wind gust              32 33 28 26
Clouds                 SC SC B1 B2 B2 B2 B1 FW FW FW SC SC B1 B1 B1 B1 B2 B2 B2
PoP 12hr                     10          30           5          10          20
QPF 12hr                      0           0           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    C  C  S                             S  S  S  S  C


Date          Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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    64      51    71      55    71      50    70
Temp          53 50 61 61   55 52 68 67   60 56 68 65   56 51 67 63
Dewpt         44 46 46 47   48 46 49 50   48 50 53 51   51 50 50 47
PWind dir        NE     E      SE    SE       S     S       S    SW
Wind char        LT    GN      GN    GN      GN    GN      LT    GN
Avg clouds    B2 B2 B2 B2   B1 B2 B1 SC   B1 B1 B1 B1   SC SC SC SC
PoP 12hr         40    10      20    20      20    40      40    30
Rain shwrs     C  C             S  S          S  C  C    C  C  C  C

$$
IAZ048-122100-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
1157 AM CDT Sun Oct 12 2025

Date             Sun 10/12/25            Mon 10/13/25            Tue 10/14/25
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                      79          56          70          50          61
Temp                   72 77 74 69 66 60 57 61 68 70 65 57 55 53 51 54 58 61 59
Dewpt                  55 59 59 59 57 53 51 48 46 45 44 44 43 42 43 45 46 47 48
RH                     55 54 59 70 73 78 80 62 45 41 46 62 64 66 74 71 64 60 67
Wind dir               SE  S SE  S NW  N  N  N  N  N  N NE NE NE NE NE  E  E  E
Wind spd               18 19 13 12  9 10 11 12 11 11  8  8  6  8  8  8  8  9  6
Wind gust              33 32 24
Clouds                 SC SC B2 B1 B2 B1 SC FW FW SC SC B1 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     10          20          10          20          30
QPF 12hr                      0           0           0           0        0.04
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S     S                       S  S  C  C  S  S  C


Date          Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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    66      53    75      56    72      51    71
Temp          53 52 64 63   57 54 71 71   62 57 69 67   57 51 68 65
Dewpt         49 48 54 53   51 49 55 55   54 53 56 54   53 50 52 49
PWind dir         E     E      SE    SE       S    SW      SW     W
Wind char        LT    GN      GN    GN      GN    GN      LT    GN
Avg clouds    B2 OV B2 B1   B1 B1 SC SC   B1 B1 B1 SC   SC SC SC SC
PoP 12hr         40    20      20    20      20    30      40    30
Rain shwrs     C  C  S          S  S          S  C  C    C  C  C  C

$$
IAZ004-122100-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
1157 AM CDT Sun Oct 12 2025

Date             Sun 10/12/25            Mon 10/13/25            Tue 10/14/25
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                      76          45          65          44          56
Temp                   67 75 71 62 56 50 46 52 60 64 58 51 48 46 45 49 53 56 53
Dewpt                  55 57 57 54 48 44 39 38 37 36 35 35 35 34 34 36 37 38 40
RH                     65 54 61 75 74 80 76 59 42 35 42 54 60 63 65 61 54 51 61
Wind dir                S  S  S NW NW NW  N  N  N  N  N NE NE NE NE NE NE NE NE
Wind spd               24 23 14 14 11 11 10 11 12 11  9  8  8  9  9 10 10 10  9
Wind gust              36 34 25
Clouds                 B2 SC B1 OV B1 FW FW CL FW FW SC SC B1 B2 B2 B2 B2 B2 OV
PoP 12hr                     40          50           5           5          30
QPF 12hr                      0        0.06           0           0        0.06
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S  C  S                                S  S  C  C  C
Tstms                   S  S
Wind chill                                                       39
Min chill                                                        37


Date          Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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          45    63      51    74      53    68      46    68
Temp          47 47 59 59   54 53 70 69   60 54 65 62   50 47 65 61
Dewpt         42 43 49 50   49 48 55 55   54 50 50 47   46 43 44 42
PWind dir         E    SE      SE     S       S    SW      SW     W
Wind char        LT    GN      GN    BZ      GN    GN      LT    GN
Avg clouds    OV OV B2 B2   B2 B1 B1 B1   B1 B1 SC SC   SC SC SC SC
PoP 12hr         40    20      30    30      30    30      20    20
Rain shwrs     C  C  S  S    S  C  C  S    S  C  C  C    S        S

$$
IAZ035-122100-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
1157 AM CDT Sun Oct 12 2025

Date             Sun 10/12/25            Mon 10/13/25            Tue 10/14/25
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                      78          52          68          48          61
Temp                   72 76 73 68 61 57 53 58 66 68 63 55 52 50 49 54 58 60 57
Dewpt                  56 57 57 57 53 50 44 43 41 39 38 39 39 38 38 40 40 42 43
RH                     57 52 57 68 75 77 71 57 40 34 39 55 61 63 66 59 51 51 59
Wind dir               SE  S  S SW  N  N  N  N  N  N  N NE NE NE NE NE  E  E  E
Wind spd               20 19 14 13 12 11 10 12 11 11  9  8  6  8  8  9  9 10  6
Wind gust              31 31
Clouds                 B1 B1 SC B2 B2 SC FW CL FW SC SC B1 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     20          30           5          20          30
QPF 12hr                      0        0.02           0           0        0.06
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S     C  S                       S  S  C  C  C  C  C
Tstms                      S


Date          Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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    65      52    76      55    71      48    71
Temp          51 50 63 62   55 54 72 70   62 56 69 66   54 49 68 65
Dewpt         45 46 51 51   50 49 55 55   54 52 53 50   49 47 48 44
PWind dir         E    SE      SE    SE       S    SW      SW     W
Wind char        LT    GN      GN    BZ      GN    GN      LT    GN
Avg clouds    OV OV B2 B2   B1 B1 SC B1   B1 B2 B1 SC   SC SC SC SC
PoP 12hr         50    20      30    20      30    40      30    20
Rain shwrs     C  C  S       S  C  S       S  C  C  C    C  S  S  S
Tstms                                         S

$$
IAZ094-122100-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
1157 AM CDT Sun Oct 12 2025

Date             Sun 10/12/25            Mon 10/13/25            Tue 10/14/25
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                      80          59          72          56          66
Temp                   76 78 74 70 68 63 60 63 69 72 68 64 62 59 56 59 63 65 63
Dewpt                  60 59 59 60 60 57 55 55 54 54 53 52 50 51 50 52 53 54 54
RH                     58 52 59 71 76 81 84 75 59 53 59 65 65 75 80 78 70 68 72
Wind dir                S  S SE  S SW  N  N  N NE NE NE NE NE NE NE NE  E  E  E
Wind spd               18 18 12 11  8  8  9 10 10  9  5  6  6  8  8  6  6  5  5
Wind gust              31 29
Clouds                 SC B1 B1 B2 B2 B2 B1 B1 SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     10          10          20          20          30
QPF 12hr                      0           0           0           0        0.09
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S        S  S  C  C  S  S


Date          Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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          56    71      56    78      59    73      52    70
Temp          59 58 69 67   61 58 75 72   66 60 70 67   59 53 67 64
Dewpt         54 52 56 56   54 53 57 56   55 55 56 56   54 53 53 50
PWind dir         E     E      SE     S       S    SW      SW     W
Wind char        LT    LT      LT    GN      GN    GN      LT    LT
Avg clouds    B2 B2 B2 B1   SC SC SC SC   SC B1 B1 SC   SC SC SC SC
PoP 12hr         10    10      10     5      10    30      40    30
Rain shwrs        S                              S  C    C  C  C  C
Tstms                                                    S  S

$$
IAZ017-122100-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
1157 AM CDT Sun Oct 12 2025

Date             Sun 10/12/25            Mon 10/13/25            Tue 10/14/25
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                      75          51          66          45          58
Temp                   68 73 71 66 62 56 51 57 63 65 59 52 49 47 46 52 56 58 55
Dewpt                  52 54 55 56 54 50 45 43 41 40 39 38 37 36 35 38 38 39 40
RH                     57 51 57 70 75 80 80 59 44 40 47 59 63 65 65 59 51 49 57
Wind dir               SE SE  S  S NW  N  N  N  N  N  N  N NE NE NE NE NE NE NE
Wind spd               20 20 16 14 10 10 10 10 10 10  6  5  5  6  6  8  8  8  5
Wind gust              34 33 27
Clouds                 B1 B1 B2 B2 OV B1 FW CL FW SC SC SC B1 B1 B2 B1 B2 B2 OV
PoP 12hr                     20          40           5          10          30
QPF 12hr                      0        0.04           0           0        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S  S  C  C                             S  S  C  C  C


Date          Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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          46    61      49    71      52    68      48    67
Temp          49 48 59 58   53 51 68 66   59 53 66 62   53 49 64 61
Dewpt         42 43 46 48   47 46 51 52   50 50 52 50   49 47 49 45
PWind dir         E    SE      SE    SE       S    SW      SW    SW
Wind char        LT    GN      GN    GN      GN    GN      LT    GN
Avg clouds    OV OV B2 B2   B1 B2 B1 B1   B1 B2 B1 SC   SC SC SC SC
PoP 12hr         40    20      20    30      30    40      30    30
Rain shwrs     C  C  S          S  C  S    S  C  C  C    C  S  S  C

$$
IAZ049-122100-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
1157 AM CDT Sun Oct 12 2025

Date             Sun 10/12/25            Mon 10/13/25            Tue 10/14/25
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                      78          57          71          50          61
Temp                   72 76 72 67 65 61 58 62 69 71 65 57 55 52 50 54 59 61 59
Dewpt                  53 57 56 56 57 55 53 51 48 46 45 44 43 41 40 43 44 44 46
RH                     51 52 57 68 75 81 83 67 47 41 48 62 64 66 68 66 57 53 62
Wind dir               SE SE SE SE  S  N  N  N  N  N  N  N NE NE NE NE  E NE NE
Wind spd               19 20 14 13  9  9 10 11 11 11  8  8  6  8  8  8  8  8  5
Wind gust              32 32
Clouds                 SC SC B2 B2 B2 B2 SC FW FW FW SC SC B1 B2 B2 B2 B2 B2 B2
PoP 12hr                     10          40          10          10          30
QPF 12hr                      0           0           0           0        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    C  S                                C  C  S  S  C


Date          Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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    65      51    73      55    72      50    71
Temp          53 50 63 62   55 52 69 69   61 56 69 66   56 51 68 63
Dewpt         46 46 50 50   48 46 52 53   50 51 54 53   51 50 52 49
PWind dir        NE     E      SE    SE       S    SW      SW    SW
Wind char        LT    LT      LT    GN      GN    GN      LT    GN
Avg clouds    B2 B2 B2 B2   B1 B1 SC SC   B1 B1 B1 SC   SC SC SC SC
PoP 12hr         30    10      20    20      20    30      40    30
Rain shwrs     C  C             S  S          S  C  C    C  C  C  C

$$
IAZ086-122100-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
1157 AM CDT Sun Oct 12 2025

Date             Sun 10/12/25            Mon 10/13/25            Tue 10/14/25
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                      79          60          75          56          66
Temp                   74 78 73 69 67 64 62 66 72 75 70 65 62 59 57 59 63 65 63
Dewpt                  55 57 56 56 57 57 59 59 58 57 56 55 51 49 49 50 51 52 53
RH                     51 48 55 63 70 78 90 78 61 54 61 70 67 69 75 72 65 63 70
Wind dir                S  S SE SE  S  S  N  N  N NE NE  N NE NE NE NE NE NE NE
Wind spd               17 18 13 12 10  8  6  8  8  8  6  6  6  6  6  6  6  6  5
Wind gust              29 28
Clouds                 SC FW B1 B2 OV B2 B2 SC B1 SC B1 B1 B2 B2 B2 B2 B2 B1 B2
PoP 12hr                     10          30          10          20          20
QPF 12hr                      0           0           0           0        0.04
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S  C  S  S                    S  S  S  S        S


Date          Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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          54    69      53    76      58    74      53    71
Temp          59 56 67 65   58 55 71 70   64 59 71 68   59 54 68 65
Dewpt         51 50 52 52   48 47 52 53   51 52 55 55   55 53 53 51
PWind dir        NE     E      SE    SE       S     S       S    SW
Wind char        LT    LT      LT    GN      GN    GN      LT    GN
Avg clouds    B2 B2 B1 B1   B1 B1 SC SC   SC B1 B1 SC   SC SC SC SC
PoP 12hr         20     5      10    10      10    20      40    30
Rain shwrs     S  S                                 S    C  C  C  C

$$