Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
257 PM CDT Tue Oct 27 2026

IAZ060-280900-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
257 PM CDT Tue Oct 27 2026

Date           10/27/26      Wed 10/28/26            Thu 10/29/26            Fri
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          77          56          70          49
Temp          70 64 59 56 56 57 64 73 75 72 67 64 61 57 59 67 70 63 56 53 51 50
Dewpt         51 52 51 50 51 53 56 58 59 58 59 60 60 57 54 51 47 47 47 48 48 50
RH            51 65 75 80 83 86 75 59 58 61 75 87 97100 83 56 44 56 72 83 89100
Wind dir       S  S  S  S  S SE  S  S  S  S  S SW  W NW  N  N NE  E  E  E  E  E
Wind spd       8  5  6  4  5  5  9 13 16 12 11  8  6  6  6  5  6  4  4  4  5  5
Wind gust                             26 23
Clouds        B1 SC FW SC SC SC FW FW FW SC B1 B1 B1 B1 SC CL CL FW FW SC B2 OV
PoP 12hr                     10          20          30           0          50
QPF 12hr                      0           0        0.03           0        0.07
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  C  C                       C  C  D
Tstms                                     S  S  S                          S  S


Date           10/30  Sat 10/31/26  Sun 11/01/26  Mon 11/02/26  Tue 11/03/26
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          66      53    64      53    65      53    66      51    62
Temp          63 61   56 55 63 61   56 55 64 62   56 55 64 63   56 51 59 58
Dewpt         55 56   56 54 58 57   56 55 58 57   56 55 57 56   54 51 51 48
PWind dir         E       E     E       E     E       E     E       E    NE
Wind char        LT      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    OV OV   OV OV OV B2   B2 B2 B2 B2   B1 B2 OV OV   B2 B2 B2 B2
PoP 12hr         80      70    70      50    30      20    70      70    60
Rain shwrs     D  L    L  L  L  C    C  C  C          S  L  L    L  L  L  C
Tstms          S  S    S

$$
IAZ039-280900-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
257 PM CDT Tue Oct 27 2026

Date           10/27/26      Wed 10/28/26            Thu 10/29/26            Fri
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                      50          74          54          66          43
Temp          65 61 57 54 51 51 60 70 73 69 65 62 59 55 57 64 66 59 51 47 45 44
Dewpt         52 51 51 50 50 50 54 57 58 58 58 59 59 55 52 47 43 44 45 44 43 43
RH            63 70 80 86 96 96 81 63 59 68 78 90100100 83 54 43 57 80 89 93 96
Wind dir       S  S  S  S  S SE  S  S  S  S  S SW  W NW  N  N  N NE NE  E  E  E
Wind spd       8  8  6  4  4  5  9 13 17 13 13  9  6 10  9  8  5  3  2  3  3  5
Wind gust                             27
Clouds        OV B1 FW FW SC B1 SC FW FW SC B1 B2 B2 B2 SC CL CL CL CL FW SC B2
PoP 12hr                     10          10          60           0          10
QPF 12hr                      0           0        0.02           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                   L  C                             C
Tstms                                        C


Date           10/30  Sat 10/31/26  Sun 11/01/26  Mon 11/02/26  Tue 11/03/26
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      47    61      50    64      51    64      48    61
Temp          58 56   51 51 60 58   53 53 62 60   54 53 63 60   54 49 58 56
Dewpt         48 49   50 50 55 55   53 53 58 57   54 53 57 55   53 49 50 48
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        LT      LT    LT      LT    LT      LT    GN      GN    BZ
Avg clouds    B2 B2   OV B2 OV B2   B2 B2 OV B2   B1 B2 OV B2   B2 B2 OV B2
PoP 12hr         70      60    60      40    30      30    60      60    60
Rain shwrs     C  L    C  L  L  C    C  C  C  S    S  C  C  L    L  L  L  L
Tstms             S    S  S  S

$$
IAZ048-280900-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
257 PM CDT Tue Oct 27 2026

Date           10/27/26      Wed 10/28/26            Thu 10/29/26            Fri
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                      53          77          53          69          46
Temp          66 61 56 54 53 54 63 73 76 71 65 61 59 54 58 66 69 61 53 50 48 47
Dewpt         54 54 52 51 52 53 57 59 60 59 60 61 59 54 53 49 44 45 46 46 46 47
RH            65 78 86 90 96 96 81 62 58 66 84100100100 83 54 40 56 77 86 93100
Wind dir       S  S  S  S  S SE  S  S  S  S  S SW NW  N  N  N NE  E  E  E  E  E
Wind spd       8  4  4  3  4  5  9 12 14 10  8  5  4  6  6  5  5  4  3  3  4  5
Wind gust                             26
Clouds        B2 SC FW SC SC SC SC SC SC B1 B2 B2 B1 B1 FW CL CL CL FW SC B2 OV
PoP 12hr                     10          40          40           0          40
QPF 12hr                      0           0        0.01           0        0.05
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S  C  C                          C  C  L
Tstms                                  S  S  S                                S


Date           10/30  Sat 10/31/26  Sun 11/01/26  Mon 11/02/26  Tue 11/03/26
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      50    63      51    65      52    66      49    62
Temp          60 59   54 54 61 60   55 54 63 61   55 54 63 62   54 50 59 56
Dewpt         53 53   54 53 58 57   55 54 59 57   55 54 58 55   54 50 51 48
PWind dir         E       E     E       E     E       E     E       E    NE
Wind char        LT      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    OV OV   OV OV OV B2   B2 B2 B2 B2   B1 B2 OV OV   OV B2 B2 B2
PoP 12hr         70      80    80      50    30      20    60      60    60
Rain shwrs     L  L    L  D  D  C    C  C  C       S  S  L  L    L  L  L  L
Tstms          S  S    S     S

$$
IAZ004-280900-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
257 PM CDT Tue Oct 27 2026

Date           10/27/26      Wed 10/28/26            Thu 10/29/26            Fri
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                      50          73          42          62          40
Temp          54 52 50 51 51 51 58 68 72 65 58 52 47 43 49 59 61 54 46 43 42 41
Dewpt         49 49 50 51 51 51 56 61 61 60 58 52 47 43 46 44 41 42 41 41 40 40
RH            83 89100100100100 93 78 68 84100100100100 89 57 48 64 83 93 93 96
Wind dir      SW  S  S  S  S  S  S  S  S SW  W NW NW  N  N  N NE  E  E  E  E  E
Wind spd      10  8  8  6  6  8 11 16 17  9  6  8  6  4  3  4  4  4  3  3  3  4
Wind gust                          26 27
Clouds        B1 B1 SC B1 B1 B1 B1 B1 B2 B2 SC B1 FW SC FW CL CL CL FW FW B1 B2
PoP 12hr                     10          80          20           0           5
QPF 12hr                      0        0.03        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                       S  S  D  S
Tstms                               S  C  S


Date           10/30  Sat 10/31/26  Sun 11/01/26  Mon 11/02/26  Tue 11/03/26
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      44    61      48    63      49    60      44    56
Temp          55 52   47 47 57 56   52 50 60 58   52 50 56 56   49 45 51 51
Dewpt         46 45   45 46 54 54   52 50 56 54   52 50 55 52   48 45 47 44
PWind dir         E       E    SE       E     E       E     E      NE    NE
Wind char        LT      LT    LT      LT    LT      LT    GN      GN    BZ
Avg clouds    B2 B2   B2 B2 OV OV   B2 B2 OV B2   B2 B2 OV B2   B2 B2 OV B2
PoP 12hr         20      50    60      40    20      30    60      60    50
Rain shwrs        S    S  C  L  C    C  C  S  S    S  C  L  L    L  L  C  C

$$
IAZ035-280900-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
257 PM CDT Tue Oct 27 2026

Date           10/27/26      Wed 10/28/26            Thu 10/29/26            Fri
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                      52          76          48          67          43
Temp          61 57 53 53 53 54 62 71 74 69 61 59 54 49 54 64 66 58 49 46 45 44
Dewpt         56 55 53 53 53 53 57 60 61 61 61 59 54 49 50 45 42 43 43 44 44 44
RH            84 93100100100 96 84 68 64 76100100100100 86 50 42 57 80 93 96100
Wind dir      SW  S  S  S  S SE  S  S  S  S SW  W NW  N  N  N NE  E  E  E  E  E
Wind spd       8  4  4  4  4  5  9 13 14  8  5  4  5  4  4  4  3  3  3  2  3  4
Wind gust                             25
Clouds        B2 B1 B1 SC B1 B1 SC SC B1 B1 B2 B1 B2 SC FW CL CL CL FW SC B2 OV
PoP 12hr                     10          60          60           0          40
QPF 12hr                      0        0.01        0.07           0        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          S  C  L  C                          C  C  L
Tstms                               S  S  S  S


Date           10/30  Sat 10/31/26  Sun 11/01/26  Mon 11/02/26  Tue 11/03/26
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      48    61      50    66      51    63      47    60
Temp          58 56   50 51 59 57   53 53 64 61   54 53 61 60   52 48 56 54
Dewpt         50 50   50 50 56 56   53 53 58 56   54 53 56 54   52 48 49 47
PWind dir         E       E     E       E     E       E     E       E    NE
Wind char        LT      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    OV OV   OV OV OV OV   B2 OV OV B2   B1 B2 OV OV   OV B2 OV B2
PoP 12hr         60      70    80      40    30      30    60      60    60
Rain shwrs     L  C    C  L  D  C    C  C  C  S    S  C  L  L    L  L  L  C
Tstms                  S

$$
IAZ094-280900-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
257 PM CDT Tue Oct 27 2026

Date           10/27/26      Wed 10/28/26            Thu 10/29/26            Fri
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          77          57          71          53
Temp          68 62 58 57 57 57 63 73 76 72 67 64 60 58 62 69 71 65 59 57 55 54
Dewpt         51 51 50 51 52 53 56 57 57 57 57 59 60 58 58 55 52 51 51 52 53 54
RH            54 67 75 80 83 86 78 57 52 59 70 84100100 87 61 51 60 75 83 93100
Wind dir       S  S  S  S  S  S  S  S  S  S  S SW SW NW  N NE NE NE  E  E  E  E
Wind spd       8  5  5  5  6  8 10 14 16 12 12  9  5  4  6  6  6  5  5  5  5  6
Wind gust                          25 26 24 23 19
Clouds        B1 FW FW SC B1 B2 SC FW FW FW SC SC SC SC SC FW FW FW SC B1 OV OV
PoP 12hr                     20          20          40           5          70
QPF 12hr                      0           0        0.02           0        0.07
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S  S           S  S  S                    L  L  D
Tstms                         S  S           S  S                       S  S  S


Date           10/30  Sat 10/31/26  Sun 11/01/26  Mon 11/02/26  Tue 11/03/26
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          71      54    65      53    66      54    67      51    62
Temp          68 64   59 57 64 61   56 55 65 62   57 56 65 63   57 52 60 57
Dewpt         60 60   58 56 58 58   56 55 58 57   56 55 58 57   55 51 51 49
PWind dir        SE      SE     E       E     E       E     E       E    NE
Wind char        LT      LT    LT      LT    LT      LT    GN      GN    BZ
Avg clouds    OV B2   OV OV OV B2   B2 B2 OV B1   B1 B2 OV B2   B2 B2 B2 B2
PoP 12hr         80      70    70      40    20      40    70      60    60
Rain shwrs     D  L    L  L  L  L    C  C  S       S  C  L  L    L  L  L  C
Tstms          S  C    S                                         S  S

$$
IAZ017-280900-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
257 PM CDT Tue Oct 27 2026

Date           10/27/26      Wed 10/28/26            Thu 10/29/26            Fri
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          74          47          64          38
Temp          58 56 52 51 51 51 59 69 72 69 61 58 53 47 53 61 64 56 47 44 42 40
Dewpt         55 54 52 51 50 50 54 56 58 58 58 58 53 47 48 43 39 41 40 40 39 39
RH            90 93100100 96 96 83 63 61 68 90100100100 83 51 40 57 76 86 89 96
Wind dir       S  S  S  S  S  S  S  S  S  S SW  W NW  N  N  N  N NE  E  E  E  E
Wind spd       9  5  5  4  4  5  8 13 17 10  8  5  8  5  4  4  4  2  2  2  2  3
Wind gust                          24 29 20
Clouds        B2 B2 SC SC B1 B1 B1 SC SC B2 B2 B1 B2 B1 FW CL CL CL CL FW B1 B2
PoP 12hr                     10          50          80           0          10
QPF 12hr                      0        0.01        0.14           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S                       C  C  D                                C
Tstms                                  S  C  S


Date           10/30  Sat 10/31/26  Sun 11/01/26  Mon 11/02/26  Tue 11/03/26
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      47    65      48    62      44    58
Temp          57 54   47 48 59 57   52 51 63 60   53 51 61 58   51 45 56 53
Dewpt         44 44   44 47 52 53   52 51 55 54   53 51 54 52   49 45 47 45
PWind dir         E       E    SE       E     E       E     E       E    NE
Wind char        LT      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    B2 B2   B2 B2 OV B2   B2 B2 OV B2   B1 B2 OV B2   B2 B2 OV B2
PoP 12hr         40      60    70      40    30      20    60      60    50
Rain shwrs     C  C    S  L  L  L    C  C  C  S    S  S  C  L    L  L  C  C

$$
IAZ049-280900-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
257 PM CDT Tue Oct 27 2026

Date           10/27/26      Wed 10/28/26            Thu 10/29/26            Fri
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                      51          75          54          68          43
Temp          65 61 56 53 52 52 62 72 75 69 65 61 59 55 58 65 68 59 51 48 46 44
Dewpt         51 51 50 49 50 50 55 57 58 57 58 59 59 55 52 47 42 43 44 44 44 44
RH            60 70 80 86 93 93 78 59 55 66 78 93100100 80 52 39 55 77 86 93100
Wind dir       S  S  S  S  S SE  S  S  S  S  S SW  W NW  N  N  N NE  E  E  E  E
Wind spd       8  5  5  4  4  5  8 12 16 11 10  6  5  6  8  5  4  3  3  3  4  5
Clouds        B2 B1 CL FW SC SC SC FW FW B1 B2 B2 B2 B1 FW CL CL FW CL FW B1 OV
PoP 12hr                     10          20          30           0          20
QPF 12hr                      0           0        0.02           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  C  C                       S  S  L
Tstms                                     S  S  S


Date           10/30  Sat 10/31/26  Sun 11/01/26  Mon 11/02/26  Tue 11/03/26
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      48    62      50    65      51    65      48    61
Temp          59 57   52 52 61 58   54 53 63 60   54 53 63 61   54 49 59 56
Dewpt         50 51   52 51 56 55   54 53 57 56   54 53 56 54   53 49 50 48
PWind dir         E       E     E       E     E       E     E       E    NE
Wind char        LT      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    B2 OV   OV B2 OV OV   OV B2 B2 B2   B1 B2 OV OV   B2 B2 B2 B2
PoP 12hr         70      70    60      40    30      20    60      60    60
Rain shwrs     L  L    L  L  L  C    C  C  C  S    S  S  L  L    L  L  L  L
Tstms          S  C    S     S

$$
IAZ086-280900-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
257 PM CDT Tue Oct 27 2026

Date           10/27/26      Wed 10/28/26            Thu 10/29/26            Fri
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                      55          78          60          72          49
Temp          70 63 59 56 56 56 64 74 77 72 68 65 62 61 63 69 72 64 56 54 51 50
Dewpt         51 51 51 51 51 52 56 58 58 57 57 58 60 61 60 57 53 51 50 49 50 50
RH            51 65 75 83 83 86 75 57 52 59 68 78 93100 90 66 51 63 80 83 96100
Wind dir       S  S  S  S  S  S  S  S  S  S  S  S SW  W NW  N  N NE NE  E  E  E
Wind spd       9  5  4  4  4  5  8 11 13 10 10  9  6  5  6  5  5  3  4  4  4  5
Wind gust                             24 21 20 19 17
Clouds        B2 SC FW SC SC B1 FW FW FW SC FW SC B1 B1 B1 FW CL FW FW SC B1 OV
PoP 12hr                      5          10          60           0          40
QPF 12hr                      0           0        0.02           0        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      L  C                    C  C  D
Tstms                                           S                             S


Date           10/30  Sat 10/31/26  Sun 11/01/26  Mon 11/02/26  Tue 11/03/26
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          68      54    67      53    67      54    68      52    65
Temp          65 63   58 56 64 63   57 56 66 63   57 56 66 64   57 53 62 59
Dewpt         57 58   58 55 59 59   57 56 59 58   57 56 59 58   57 53 53 51
PWind dir         E       E     E       E    NE       E     E       E     E
Wind char        LT      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    B2 B2   OV OV OV B2   B2 B2 B2 B2   B1 B2 OV B2   B2 B2 B2 B2
PoP 12hr         80      70    60      50    30      20    60      60    70
Rain shwrs     D  L    L  L  L  C    C  C  C  S    S  S  L  L    L  L  L  L
Tstms          S  S    S                                            S

$$