Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
106 AM CDT Sat Aug 19 2017

IAZ060-201000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
106 AM CDT Sat Aug 19 2017

Date           08/18/17      Sat 08/19/17            Sun 08/20/17            Mon
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          85          67          90          71
Temp                      64 61 72 81 85 83 72 70 68 68 78 85 90 85 78 75 72 72
Dewpt                     62 60 63 62 56 60 61 60 60 61 66 68 68 69 69 69 68 68
RH                        93 97 73 53 37 46 68 71 76 78 67 57 49 59 74 82 87 87
Wind dir                  SW  W  N NW NW  N  E SE  S  S  S  S  S  S  S  S  S  S
Wind spd                   3  2  2  5  6  3  3  4  3  4  6  8  9  6  6  5  5  5
Clouds                    FW FW FW FW FW CL FW SC B1 B2 B2 B1 B1 SC B1 B2 B2 B2
PoP 12hr                     30           0          10          30          50
QPF 12hr                      0           0           0        0.08        0.51
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S  C  C  C  C  C  C  C
Tstms                                                 S  S  C  C  C  C  C  C  C
Obvis                        PF


Date           08/21  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17
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          88      69    82      59    80      59    79      59    80
Temp          84 84   72 69 79 79   65 60 78 77   63 61 77 76   64 61 77 77
Dewpt         71 72   70 69 67 63   58 55 56 57   55 55 57 57   54 56 59 58
PWind dir         S      SW    NW       N     N       E     E      SE    SE
Wind char        GN      LT    GN      LT    LT      LT    LT      LT    GN
Avg clouds    B2 B1   B2 B2 B2 SC   FW FW FW FW   FW FW SC SC   FW SC SC SC
PoP 12hr         50      80    30       0     0       5     5       5     5
Rain shwrs     C  C    L  L  C
Tstms          C  C    L  L  C

$$
IAZ039-201000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
106 AM CDT Sat Aug 19 2017

Date           08/18/17      Sat 08/19/17            Sun 08/20/17            Mon
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          81          60          84          68
Temp                      60 57 70 78 80 77 69 65 62 61 74 81 84 80 73 70 68 68
Dewpt                     59 57 63 63 62 64 63 61 59 59 65 67 68 69 68 67 66 67
RH                        96100 78 60 54 64 81 87 90 93 74 63 59 69 84 90 93 97
Wind dir                  SE  N  S  S SW  S SE SE SE SE  S  S  S  S SE  S  S  S
Wind spd                   2  1  2  4  4  3  3  3  3  3  5  8  9  6  8  5  6  4
Clouds                    B1 SC SC FW FW FW FW FW SC B1 B1 B1 SC B1 B1 B2 B2 B2
PoP 12hr                     10           0           5          30          40
QPF 12hr                      0           0           0        0.08        0.41
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S  S  S  C  C  C  C  L
Tstms                                                 S  S  S  S  C  C  C  C  L
Obvis                     PF PF


Date           08/21  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17
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          82      67    79      57    77      55    76      55    77
Temp          79 79   70 67 77 76   63 58 75 73   59 57 74 72   59 56 75 74
Dewpt         71 72   69 67 66 63   56 54 57 57   54 53 57 58   54 53 58 59
PWind dir         S      SW    NW      NW     N       N     E      SE    SE
Wind char        LT      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B2   B2 OV B2 SC   FW FW FW FW   FW FW SC FW   FW FW SC SC
PoP 12hr         60      80    30       0     0       5     5       5     5
Rain shwrs     L  C    L  D  C  S                     S
Tstms          L  C    L  D  C  S                     S

$$
IAZ048-201000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
106 AM CDT Sat Aug 19 2017

Date           08/18/17      Sat 08/19/17            Sun 08/20/17            Mon
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          82          62          86          69
Temp                      61 58 70 79 81 79 68 65 63 63 74 83 86 82 76 72 70 70
Dewpt                     60 58 64 63 61 64 63 62 61 61 66 68 68 70 68 68 68 68
RH                        97100 81 58 51 60 84 90 93 93 76 61 55 67 76 87 93 93
Wind dir                  NW  N NW  W  W  E  E SE SE  S  S  S  S  S  S SE  S  S
Wind spd                   3  1  2  4  5  2  3  3  3  3  6  8  8  6  5  5  5  5
Clouds                    SC SC FW FW FW CL FW SC B1 B2 B1 B1 SC SC B1 B2 B2 B2
PoP 12hr                     30           0          10          40          50
QPF 12hr                      0           0           0        0.13        0.97
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S  C  C  C  C  C  C  C
Tstms                                                 S  S  C  C  C  C  C  C  C
Obvis                     PF PF                PF PF PF PF


Date           08/21  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17
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          85      67    80      57    79      56    77      56    78
Temp          81 80   71 67 77 78   63 59 77 75   61 58 74 74   61 58 75 75
Dewpt         72 72   70 67 66 63   57 54 56 57   56 54 58 59   55 55 59 59
PWind dir         S      SW    NW       N     N      NE     E      SE    SE
Wind char        GN      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B1   B2 B2 B1 SC   FW FW FW FW   FW FW SC SC   SC SC SC SC
PoP 12hr         50      70    20       0     0       5     5       5     5
Rain shwrs     C  C    L  L  C
Tstms          C  C    L  L  C

$$
IAZ004-201000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
106 AM CDT Sat Aug 19 2017

Date           08/18/17      Sat 08/19/17            Sun 08/20/17            Mon
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          80          62          82          65
Temp                      59 57 67 74 79 76 66 64 63 63 72 80 82 80 71 68 67 65
Dewpt                     59 57 62 63 62 65 63 61 60 61 66 68 69 70 69 67 67 65
RH                       100100 84 69 56 69 90 90 90 93 81 67 65 72 93 97100100
Wind dir                  NW NW  W  S  S  S  S  S  S  S SW SW  S  E  E  E  S SE
Wind spd                   3  1  1  4  8  4  5  6  5  5  8  6  5  5  3  4  4  5
Clouds                    SC SC SC CL CL CL FW SC SC B1 B1 SC B1 B1 B1 B2 OV B2
PoP 12hr                      0           0          20          40          60
QPF 12hr                      0           0        0.02        0.12        0.48
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S  C  C  C  C  C  C  C  C  C
Tstms                                           S  S  C  C  C  C  C  C  C  C  C
Obvis                     PF  F


Date           08/21  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17
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          79      62    76      55    75      55    74      57    75
Temp          76 76   67 62 74 74   59 57 73 72   58 57 72 71   60 58 73 73
Dewpt         71 70   65 62 60 60   54 53 56 58   54 54 58 59   56 55 60 60
PWind dir        SE       N     N      NW    NW       E    SE      SE     S
Wind char        LT      LT    GN      LT    LT      LT    LT      GN    GN
Avg clouds    B2 B2   B2 B2 B1 FW   FW FW FW SC   SC SC SC SC   SC SC SC SC
PoP 12hr         40      60    10       0     5      10     5       5     5
Rain shwrs     C  C    L  L  S                     S
Tstms          C  C    L  L  S                     S

$$
IAZ035-201000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
106 AM CDT Sat Aug 19 2017

Date           08/18/17      Sat 08/19/17            Sun 08/20/17            Mon
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          81          62          85          68
Temp                      61 57 70 77 80 78 67 65 63 64 74 82 85 81 74 71 69 68
Dewpt                     59 57 64 63 62 65 62 61 60 61 66 68 69 71 69 68 68 67
RH                        93100 81 62 54 64 84 87 90 90 76 63 59 72 84 90 97 97
Wind dir                   N  N  N SE  S  S SE  S  S  S  S  S  S  S SE SE  S  S
Wind spd                   2  1  1  3  4  4  4  4  4  5  8  9  8  5  5  5  6  6
Clouds                    FW SC FW FW CL CL FW SC B1 B1 B1 SC SC SC SC B2 B2 B2
PoP 12hr                      5           0          20          40          60
QPF 12hr                      0           0        0.01        0.06        0.34
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S  S  S  C  C  C  C  C  C  C
Tstms                                           S  S  S  S  C  C  C  C  C  C  C
Obvis                     PF PF


Date           08/21  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17
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          84      65    79      55    78      55    77      56    77
Temp          80 80   69 65 77 76   61 57 75 74   60 57 75 73   61 58 75 74
Dewpt         72 71   68 64 63 61   55 52 56 58   55 53 58 59   55 55 59 60
PWind dir         S       S     N      NW     N       E    SE      SE    SE
Wind char        GN      LT    GN      LT    LT      LT    LT      LT    GN
Avg clouds    B2 B2   B2 B2 B1 FW   FW FW FW FW   FW SC SC SC   SC SC SC SC
PoP 12hr         40      60    10       0     0       5     5       5    10
Rain shwrs     C  C    L  L  C                        S
Tstms          C  C    L  L  C                        S

$$
IAZ094-201000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
106 AM CDT Sat Aug 19 2017

Date           08/18/17      Sat 08/19/17            Sun 08/20/17            Mon
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                      61          90          67          90          71
Temp                      65 61 76 84 90 85 74 71 69 68 79 87 90 86 78 75 72 71
Dewpt                     62 60 63 60 55 60 60 60 63 63 67 70 70 71 71 70 68 69
RH                        90 97 64 44 31 43 62 68 81 84 67 57 52 61 79 84 87 93
Wind dir                  SW NW NW NW  W  W SE  S  S  S  S  S  S  S  S  S  S  S
Wind spd                   3  2  4  6  6  3  3  3  4  4  6 10 10  8  8  6  8  5
Clouds                    FW FW CL CL CL CL FW SC B1 B2 B1 B2 B1 SC B1 B2 B2 B2
PoP 12hr                     20           0          10          30          40
QPF 12hr                      0           0           0        0.04        0.19
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  C  C  C  C  C  C  C
Tstms                                                       C  C  C  C  C  C  C
Obvis                     PF PF                      PF PF
Heat index                                                    95 91
Max heat                           84    89    82          93    96    89


Date           08/21  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17
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          89      70    82      59    80      57    80      58    81
Temp          85 86   74 70 80 79   66 60 78 77   63 59 78 76   63 60 79 77
Dewpt         71 71   71 69 69 63   59 56 54 55   55 54 55 56   55 56 57 58
PWind dir         S      SW    NW       N     N      NE    SE      SE    SE
Wind char        GN      LT    GN      GN    LT      LT    LT      LT    GN
Avg clouds    B2 B1   B2 B2 B2 SC   FW FW FW FW   FW FW SC SC   FW SC SC SC
PoP 12hr         50      80    50       0     0       0     5       5     5
Rain shwrs     C  C    C  L  C  S
Tstms          C  C    C  L  C  S

$$
IAZ017-201000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
106 AM CDT Sat Aug 19 2017

Date           08/18/17      Sat 08/19/17            Sun 08/20/17            Mon
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          79          60          82          66
Temp                      59 58 69 75 78 76 66 63 61 62 71 80 82 79 71 68 67 66
Dewpt                     59 58 64 63 63 65 63 61 60 60 65 68 69 71 69 67 66 66
RH                       100100 84 66 60 69 90 93 97 93 81 67 65 77 93 97 97100
Wind dir                  SE  W SW SW  S  S  S  S  S  S  S  S  S  S  E  S  S SE
Wind spd                   3  2  3  5  5  3  3  4  4  5  6  9  8  5  5  6  6  5
Clouds                    B1 SC FW SC FW CL CL SC SC B1 B1 B1 SC B1 B1 B2 OV B2
PoP 12hr                     10           0          10          40          60
QPF 12hr                      0           0           0        0.09        0.48
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            C  C  C  C  C  C  L  L  L
Tstms                                                 C  C  C  C  C  C  L  L  L
Obvis                     PF PF


Date           08/21  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17
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          80      64    77      55    76      54    75      55    76
Temp          78 75   67 64 75 74   60 57 74 72   58 56 73 72   59 57 73 73
Dewpt         71 72   67 64 63 61   55 54 57 58   54 53 58 59   55 55 59 60
PWind dir         S       E     N      NW    NW      NE    SE      SE    SE
Wind char        LT      LT    GN      LT    LT      LT    LT      LT    GN
Avg clouds    B2 B2   B2 OV B1 SC   FW FW FW FW   FW FW SC SC   FW SC SC SC
PoP 12hr         40      80    20       0     5      10     5       5     5
Rain shwrs     L  C    L  L  C                     S
Tstms          L  C    L  L  C                     S

$$
IAZ049-201000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
106 AM CDT Sat Aug 19 2017

Date           08/18/17      Sat 08/19/17            Sun 08/20/17            Mon
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          82          60          85          67
Temp                      60 57 69 77 81 78 68 64 62 61 75 83 85 81 73 71 69 68
Dewpt                     59 57 63 63 62 65 63 61 60 59 66 66 67 70 68 67 67 67
RH                        96100 81 62 53 64 84 90 93 93 74 57 55 69 84 87 93 97
Wind dir                   E  E SE  S  W SW  E SE SE  S  S  S  S  S SE  S  S  S
Wind spd                   4  2  3  4  5  2  3  3  3  4  5  9  8  6  6  5  8  5
Clouds                    SC SC FW SC FW FW CL FW SC B1 B1 B1 B1 SC SC B2 B2 B2
PoP 12hr                     30           0           5          30          50
QPF 12hr                      0           0           0        0.14        0.61
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S  C  C  C  C  C  C  L
Tstms                                                 S  S  C  C  C  C  C  C  L
Obvis                        PF                PF PF


Date           08/21  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17
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          83      67    79      56    77      54    76      54    76
Temp          79 79   70 67 77 76   62 58 75 73   59 56 74 73   58 56 74 73
Dewpt         71 72   69 67 66 63   56 53 57 59   55 53 57 58   55 54 59 60
PWind dir         S      SW    NW       N     N      NE     E      SE    SE
Wind char        LT      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B2   B2 OV B2 SC   FW FW FW FW   FW FW SC SC   FW SC SC SC
PoP 12hr         50      70    30       0     0       5     5       5     5
Rain shwrs     L  C    L  L  C  S                  S  S
Tstms          L  C    L  L  C  S                  S  S

$$
IAZ086-201000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
106 AM CDT Sat Aug 19 2017

Date           08/18/17      Sat 08/19/17            Sun 08/20/17            Mon
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          86          64          90          70
Temp                      63 60 73 82 86 82 70 68 66 66 80 88 90 86 78 74 71 70
Dewpt                     61 59 63 61 58 61 61 61 60 60 65 67 67 67 68 67 68 68
RH                        93 96 71 49 39 49 73 78 81 81 60 50 47 53 71 79 90 93
Wind dir                   E NE  S  W NW  N  E SE  S  S  S  S  S  S  S  S SE  S
Wind spd                   4  2  3  5  6  3  4  3  3  4  6  8 10  6  6  5  5  5
Clouds                    FW FW FW FW FW CL CL FW FW SC B2 B2 B1 B1 B1 B2 B2 B2
PoP 12hr                     20           0           5          30          40
QPF 12hr                   0.02           0           0        0.06        0.15
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  S  S  C  C  C  C  L
Tstms                                                       S  S  C  C  C  C  L
Obvis                        PF                   PF PF PF


Date           08/21  Tue 08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17
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          89      70    83      58    81      56    80      55    80
Temp          85 84   74 70 81 80   66 59 79 76   62 58 77 75   62 57 78 76
Dewpt         70 71   70 69 69 64   58 55 54 56   55 53 55 56   55 54 57 57
PWind dir         S      SW     W       N     N      NE    NE       E    SE
Wind char        GN      LT    GN      GN    LT      LT    LT      LT    LT
Avg clouds    B2 B1   B2 B2 B2 B1   FW FW FW FW   FW FW SC FW   FW FW SC SC
PoP 12hr         50      80    40       0     0       5     5       5     5
Rain shwrs     L  C    C  L  C  C
Tstms          L  C    C  L  C  C

$$



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