Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
226 AM CDT Mon Oct 13 2025

IAZ060-140900-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
226 AM CDT Mon Oct 13 2025

Date           10/12/25      Mon 10/13/25            Tue 10/14/25            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                      57          71          54          63          57
Temp                      62 58 61 68 71 66 60 58 57 55 57 59 62 62 60 60 59 58
Dewpt                     54 51 49 47 46 44 43 42 42 43 45 47 49 50 53 54 54 55
RH                        75 77 65 47 41 45 53 55 57 64 64 64 62 65 78 81 83 90
Wind dir                   N  N  N  N NE  N NE NE NE NE NE  E  E  E  E  E  E  E
Wind spd                  11 12 13 12 11  9  8  8  8  8  8  8  8  6  5  5  5  5
Wind gust                 21
Clouds                    B2 B1 SC SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2
PoP 12hr                      5           5          20          30          30
QPF 12hr                      0           0           0        0.03           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                         S  C  C  S  S  C  C  S  S
Sprinkles
Tstms                                                                S


Date           10/15  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25  Sun 10/19/25
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          74      60    82      63    77      54    71      47    66
Temp          71 70   64 61 78 77   69 63 74 72   61 54 69 65   54 47 63 60
Dewpt         58 57   57 55 59 56   56 55 58 57   57 52 51 45   41 38 38 35
PWind dir        SE      SE     S       S     S      SW     W      NW    NW
Wind char        LT      GN    GN      GN    GN      LT    GN      GN    GN
Avg clouds    B1 B1   B1 B1 SC SC   B1 B1 B1 B1   SC SC FW FW   SC SC FW FW
PoP 12hr         10      20     5       5    30      40    20      20    10
Rain shwrs                S                S  C    C  S     S    S

$$
IAZ039-140900-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
226 AM CDT Mon Oct 13 2025

Date           10/12/25      Mon 10/13/25            Tue 10/14/25            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                      57          70          48          63          52
Temp                      61 58 61 68 70 63 55 51 50 49 55 61 62 60 56 55 53 53
Dewpt                     55 52 49 46 43 41 41 40 39 39 41 41 44 46 49 49 50 50
RH                        81 80 65 45 38 44 59 66 66 68 59 48 52 60 77 80 89 89
Wind dir                   N  N  N  N  N  N  N  N NE NE NE  E  E  E  E  E  E  E
Wind spd                   9 12 14 13 12  9  9  8  8  9  9 10 10  9  8  6  6  8
Clouds                    B2 B1 SC FW FW FW SC SC B1 B1 B1 B2 B2 B2 OV OV B2 B2
PoP 12hr                     10           5          10          40          50
QPF 12hr                      0           0           0        0.01        0.06
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            C  C  C  C  C  C  C  C  S
Sprinkles


Date           10/15  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25  Sun 10/19/25
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          67      55    78      60    76      51    70      44    64
Temp          65 64   57 56 74 73   65 60 73 71   59 52 68 63   51 45 61 57
Dewpt         52 52   53 52 56 55   55 54 56 55   57 51 48 44   40 38 38 35
PWind dir        SE      SE    SE       S     S      SW     W      NW    NW
Wind char        GN      GN    GN      GN    GN      LT    GN      GN    GN
Avg clouds    B2 B1   B1 B2 B1 SC   B1 B1 B1 B1   B1 SC FW SC   SC SC FW FW
PoP 12hr         20      20    20      10    30      40    20      20    10
Rain shwrs     S          S  S             S  C    C  C     S    S  S

$$
IAZ048-140900-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
226 AM CDT Mon Oct 13 2025

Date           10/12/25      Mon 10/13/25            Tue 10/14/25            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                      54          69          51          62          54
Temp                      59 56 59 66 69 63 55 54 53 52 55 58 60 60 56 57 56 56
Dewpt                     53 49 47 45 44 42 42 41 41 41 44 45 48 50 52 53 53 54
RH                        80 77 64 47 40 46 61 61 64 66 66 62 64 69 86 86 90 93
Wind dir                   N  N  N  N  N  N  N NE NE NE NE  E  E  E  E  E  E  E
Wind spd                  14 12 14 12 11  8  8  8  8  8  9  9  8  6  5  5  5  5
Clouds                    B2 SC FW FW SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                      5           5          20          40          40
QPF 12hr                      0           0        0.01        0.04        0.04
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                         S  C  C  C  C  C  C  C  C  S
Tstms                                                                S  S


Date           10/15  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25  Sun 10/19/25
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          72      58    81      61    77      52    71      44    65
Temp          69 67   61 59 78 76   66 61 74 71   59 52 68 64   51 44 62 59
Dewpt         57 58   56 55 59 57   56 55 58 57   56 50 49 44   40 37 38 36
PWind dir        SE      SE     S       S     S      SW     W      NW    NW
Wind char        LT      GN    GN      GN    GN      LT    GN      LT    GN
Avg clouds    B2 B1   B1 B1 SC SC   B1 B1 B1 B1   SC SC FW FW   SC SC FW FW
PoP 12hr         20      30    10      10    30      40    20      20    10
Rain shwrs     S          C                C  C    C  S     S    S

$$
IAZ004-140900-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
226 AM CDT Mon Oct 13 2025

Date           10/12/25      Mon 10/13/25            Tue 10/14/25            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          46          56          47
Temp                      49 45 51 59 63 57 51 49 48 47 49 53 55 53 49 49 48 49
Dewpt                     42 38 37 36 35 35 36 35 35 35 39 39 41 43 44 45 47 48
RH                        77 76 59 42 35 43 56 58 60 63 68 59 59 69 83 86 96 96
Wind dir                  NW  N  N  N  N  N  N NE NE NE NE  E  E NE  E  E  E  E
Wind spd                  11 10 13 12 11  8  6  8  9  9 10 11 11 10  8  6  6  6
Clouds                    SC SC FW FW FW SC B1 B2 B2 OV B2 OV OV OV OV B2 OV B2
PoP 12hr                      5           5          20          60          60
QPF 12hr                      0           0           0        0.12        0.16
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                         S  C  C  L  L  L  L  C  C  C
Tstms                                                                   S


Date           10/15  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25  Sun 10/19/25
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          67      55    78      56    72      47    65      40    63
Temp          62 63   57 57 74 72   63 56 69 65   52 47 63 58   46 41 59 56
Dewpt         54 56   54 53 58 55   54 52 54 50   47 43 42 38   36 34 34 33
PWind dir        SE      SE     S       S    SW       W    NW      NW    NW
Wind char        GN      GN    BZ      GN    GN      LT    GN      GN    GN
Avg clouds    B2 B1   B2 B1 SC B1   B2 B2 B1 SC   FW SC SC SC   SC SC FW FW
PoP 12hr         30      30    20      30    30      10    10      10     5
Rain shwrs     C  S    S  C  S       S  C  C  C

$$
IAZ035-140900-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
226 AM CDT Mon Oct 13 2025

Date           10/12/25      Mon 10/13/25            Tue 10/14/25            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                      49          66          48          59          51
Temp                      57 51 55 63 66 61 53 52 49 49 53 57 58 58 54 53 52 52
Dewpt                     48 44 41 40 38 37 38 38 39 39 41 42 44 46 48 49 51 52
RH                        72 77 59 43 36 41 57 59 68 68 64 57 59 64 80 86 96100
Wind dir                   N  N  N  N  N  N NE NE NE NE NE  E  E  E  E  E  E  E
Wind spd                  11 11 14 12 11  8  6  8  8  8  9  9 10  8  5  5  5  5
Clouds                    B1 FW FW FW SC SC SC B1 B2 B2 B2 B2 OV OV OV OV OV B2
PoP 12hr                      5          10          30          50          50
QPF 12hr                      0           0        0.03        0.08        0.07
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                         S  C  C  C  C  C  C  C  C  S
Sprinkles
Tstms                                                                S  S


Date           10/15  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25  Sun 10/19/25
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          70      57    81      59    76      50    69      42    65
Temp          67 66   59 58 77 75   65 59 73 70   55 50 67 62   49 42 62 59
Dewpt         56 56   56 55 59 55   54 55 55 52   49 46 45 40   38 35 36 33
PWind dir        SE      SE     S       S    SW       W     W      NW    NW
Wind char        GN      GN    BZ      GN    GN      LT    GN      GN    GN
Avg clouds    B2 B1   B2 B1 SC SC   B2 B2 B1 SC   SC SC SC SC   SC SC FW FW
PoP 12hr         20      30    10      20    30      30    20      20    10
Rain shwrs     S       S  C             S  C  C    C        S    S

$$
IAZ094-140900-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
226 AM CDT Mon Oct 13 2025

Date           10/12/25      Mon 10/13/25            Tue 10/14/25            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                      58          71          56          68          59
Temp                      62 59 62 69 71 67 63 61 59 58 59 64 67 65 62 62 61 61
Dewpt                     57 53 53 53 53 51 48 47 47 48 51 53 55 56 57 57 57 58
RH                        84 80 72 57 53 56 58 60 64 69 75 67 65 73 84 84 87 90
Wind dir                   N  N  N NE NE  N NE NE NE NE NE  E  E  E  E  E  E  E
Wind spd                  10 11 13 11 10  6  8  8  8  6  6  6  5  4  4  4  4  5
Clouds                    B2 B1 B1 SC SC B1 B2 B2 B2 OV OV B2 B2 B1 B1 B1 B2 B2
PoP 12hr                      5          10          20          20          10
QPF 12hr                      0           0           0        0.03           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                         S  S  S  S  S
Sprinkles
Tstms


Date           10/15  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25  Sun 10/19/25
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          76      59    81      61    76      54    71      45    64
Temp          74 71   64 60 78 75   67 62 74 70   61 55 68 64   52 46 61 58
Dewpt         60 59   58 57 58 56   56 55 58 58   59 54 52 47   42 38 38 38
PWind dir        SE      SE     S       S     S      SW     W      NW    NW
Wind char        LT      LT    GN      GN    GN      LT    GN      LT    GN
Avg clouds    B1 SC   SC SC SC SC   B1 B1 B1 B1   B1 SC SC FW   SC FW FW FW
PoP 12hr         10      10     0       5    30      50    20      20    10
Rain shwrs                                 S  C    C  C     S    S  S

$$
IAZ017-140900-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
226 AM CDT Mon Oct 13 2025

Date           10/12/25      Mon 10/13/25            Tue 10/14/25            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                      48          65          46          59          48
Temp                      55 50 54 61 64 58 52 48 48 47 53 57 58 55 51 51 50 50
Dewpt                     50 45 42 41 39 38 38 38 37 37 39 40 41 43 44 46 47 48
RH                        83 83 64 48 40 47 59 68 65 68 59 53 53 64 77 83 89 93
Wind dir                   N  N  N  N  N  N  N  N NE NE NE  E  E  E  E  E  E  E
Wind spd                  12 11 13 11 11  6  6  6  6  6  8  8  9  6  6  5  5  5
Clouds                    B1 SC FW FW FW SC SC B1 B1 B2 B2 B2 B2 OV OV OV OV OV
PoP 12hr                     10           5          10          50          60
QPF 12hr                      0           0           0        0.06        0.14
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S  C  C  L  L  C  C  C


Date           10/15  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25  Sun 10/19/25
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      53    76      58    74      48    66      42    61
Temp          61 61   55 55 72 71   64 59 71 68   55 49 65 59   48 42 58 55
Dewpt         52 52   52 52 57 56   54 53 55 53   50 46 45 41   38 35 37 34
PWind dir        SE      SE     S       S    SW      SW     W      NW    NW
Wind char        LT      GN    GN      GN    GN      LT    GN      GN    GN
Avg clouds    B2 B2   B2 B2 SC B1   B2 B2 B1 B1   SC SC SC SC   SC SC FW FW
PoP 12hr         30      30    30      20    40      30    20      20    10
Rain shwrs     C          C  C          S  C  C    C        S    S

$$
IAZ049-140900-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
226 AM CDT Mon Oct 13 2025

Date           10/12/25      Mon 10/13/25            Tue 10/14/25            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                      56          70          50          62          52
Temp                      60 57 60 67 69 62 55 53 51 51 54 59 61 59 56 55 54 54
Dewpt                     54 51 49 47 45 42 41 40 39 40 42 44 47 49 51 52 51 52
RH                        81 80 67 49 42 48 59 61 63 66 64 57 60 69 83 90 90 93
Wind dir                   N  N  N  N  N  N  N NE NE NE NE  E  E  E  E  E  E  E
Wind spd                  10 13 16 13 12  9  9  8  9  8  9  8  8  5  5  5  5  5
Clouds                    B2 B1 SC FW FW SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                      5           5          10          40          40
QPF 12hr                      0           0           0        0.04        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            C  C  C  C  C  C  C  C  S
Tstms                                                                   S


Date           10/15  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25  Sun 10/19/25
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          69      56    79      59    76      51    71      44    64
Temp          66 65   59 57 76 74   66 60 73 70   58 52 68 64   50 44 61 57
Dewpt         55 55   54 53 58 57   56 53 57 57   56 50 49 44   40 37 38 36
PWind dir        SE      SE     S       S     S      SW     W      NW    NW
Wind char        LT      LT    GN      GN    GN      LT    GN      GN    GN
Avg clouds    B2 B1   B1 B1 SC SC   B1 B1 SC B1   SC SC FW SC   SC SC FW FW
PoP 12hr         20      20    10       5    30      40    20      20    10
Rain shwrs     S          S                S  C    C  S     S    S  S

$$
IAZ086-140900-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
226 AM CDT Mon Oct 13 2025

Date           10/12/25      Mon 10/13/25            Tue 10/14/25            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                      60          75          56          67          57
Temp                      66 61 66 73 74 69 64 61 60 58 61 64 66 65 61 61 60 59
Dewpt                     56 57 58 57 56 54 51 48 45 47 49 50 53 54 56 55 54 55
RH                        70 87 75 57 53 59 63 62 58 67 65 60 63 68 84 81 81 87
Wind dir                   S  N  N  N NE  N NE NE NE NE NE  E  E  E  E  E  E  E
Wind spd                  10  6 12 11 11  8 10  8  8  6  8  6  6  5  5  5  5  5
Clouds                    OV B2 B1 SC B1 B1 B1 B2 B2 B2 B2 B2 B1 B2 B2 B2 B1 B2
PoP 12hr                     10           5          10          20          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S              S  S


Date           10/15  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25  Sun 10/19/25
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          74      59    81      61    79      55    72      47    65
Temp          71 70   63 60 78 75   67 62 76 73   63 56 70 66   54 47 61 59
Dewpt         57 58   56 54 58 57   56 54 57 58   59 56 53 49   45 40 40 39
PWind dir         E      SE     S       S     S      SW     W      NW    NW
Wind char        LT      LT    GN      GN    GN      LT    GN      LT    GN
Avg clouds    B1 B1   B1 B1 SC SC   SC B1 SC SC   B1 B1 SC FW   SC FW FW FW
PoP 12hr         10      10     5       5    20      60    20      30    10
Rain shwrs                                    S    L  C  S  S    C  S

$$