Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
305 PM CDT Fri Jul 21 2017

IAZ060-221000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
305 PM CDT Fri Jul 21 2017

Date           07/21/17      Sat 07/22/17            Sun 07/23/17            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                      77          95          71          90          63
Temp          97 94 85 81 78 76 85 92 95 90 80 75 72 72 82 89 90 87 75 69 64 65
Dewpt         76 76 74 72 72 70 72 73 72 71 68 69 66 66 67 65 65 64 63 62 60 60
RH            51 56 70 74 82 82 65 54 48 54 67 82 81 81 61 45 44 46 66 78 87 84
Wind dir       S  S  S  S SW SW  W NW  N  N  N SW SW  W NW NW NW  N  N NE  N NE
Wind spd      14 12 11 11 10  8  9  9  9  8  3  2  3  4  5  8 10  8  6  5  4  5
Clouds        SC SC SC B1 B1 B1 SC SC SC B1 SC B1 SC SC FW SC FW FW FW FW FW FW
PoP 12hr                     20           5           5           5           0
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  S
Tstms             S  S
Heat index   111106 93 86       91101103 97
Max heat        112   102    85   102   105    92          93    93    85
Excess Heat    W  W  W  W  W  W  W  W  W  W


Date           07/24  Tue 07/25/17  Wed 07/26/17  Thu 07/27/17  Fri 07/28/17
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      64    86      67    89      72    90      71    87
Temp          80 82   67 65 82 84   70 69 86 87   75 72 86 85   76 71 84 84
Dewpt         60 59   60 60 62 63   63 63 67 68   69 68 69 69   68 67 68 67
PWind dir        NE       E    SE      SE     S      SE     S      SW    NE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW   FW FW FW FW   FW FW FW SC   SC B1 B1 B1   B1 B1 SC SC
PoP 12hr          0       0     0       5     5      30    20      20    20
Rain shwrs                                            C  S  S       S  S
Tstms                                                 C  S  S       S  S

$$
IAZ039-221000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
305 PM CDT Fri Jul 21 2017

Date           07/21/17      Sat 07/22/17            Sun 07/23/17            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                      72          88          66          84          59
Temp          85 81 77 75 72 73 81 86 88 85 75 71 67 67 78 84 84 80 69 65 60 61
Dewpt         77 75 73 71 70 70 74 74 74 73 70 68 65 65 67 67 65 64 62 61 59 58
RH            77 82 87 87 93 90 79 68 63 67 84 90 93 93 69 57 53 58 78 87 96 90
Wind dir       S  S  S SW  S SW  W NW NW NW NW  W  W  W NW NW NW  N  N  N  N  N
Wind spd      12 10  9  9  6  6  8  9  9  8  4  2  3  4  8  9 10  9  5  4  4  5
Clouds        B1 B1 B1 B2 B2 B1 SC SC SC SC FW SC SC SC FW FW FW FW FW FW FW FW
PoP 12hr                     60          10           5           5           0
QPF 12hr                   0.47           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     L  L  C  C  C
Tstms          L  L  C  C  C
Heat index    97 87                94 97 91
Max heat         98                95    98    88          87    86
Flash Flood    A  A  A  A  A  A


Date           07/24  Tue 07/25/17  Wed 07/26/17  Thu 07/27/17  Fri 07/28/17
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          78      59    81      63    84      66    83      66    82
Temp          76 76   63 61 77 79   67 65 81 81   69 67 78 78   68 66 80 79
Dewpt         61 60   59 57 61 64   62 62 68 69   66 65 71 69   68 65 67 67
PWind dir        NE       E    SE      SE     S      SE    SE      NE    NE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC FW   FW FW FW FW   FW FW SC SC   B1 B1 B1 B1   SC SC SC SC
PoP 12hr          0       0     0       5     5      40    40      40    10
Rain shwrs                                         S  C  C  C    C  S
Tstms                                              S  C  C  C    C  S

$$
IAZ048-221000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
305 PM CDT Fri Jul 21 2017

Date           07/21/17      Sat 07/22/17            Sun 07/23/17            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                      74          91          68          87          61
Temp          95 88 80 78 75 75 81 87 91 87 77 73 69 69 79 85 87 83 71 66 62 62
Dewpt         76 75 74 72 71 71 72 73 71 72 69 68 66 66 66 66 64 63 62 61 59 59
RH            54 66 82 82 87 87 74 63 52 61 76 84 90 90 64 53 46 51 73 84 90 90
Wind dir       S  S  S SW SW  W NW NW  N  N NW  W  W  W NW NW NW  N  N  N  N NE
Wind spd      13 11 11 10  8  5  8  9  9  8  3  2  3  3  6  8 10  9  6  4  4  5
Clouds        SC SC B1 B2 B2 B1 SC SC SC B1 SC SC SC SC FW SC FW FW FW FW FW FW
PoP 12hr                     40           5           5           5           0
QPF 12hr                   0.13           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  S  S
Tstms             C  C  S  S
Heat index   109 98 85             94 98 94
Max heat        110    94          95    99    90          87    89    81
Heat           Y  Y  Y  Y  Y  Y  Y  Y  Y  Y


Date           07/24  Tue 07/25/17  Wed 07/26/17  Thu 07/27/17  Fri 07/28/17
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      61    85      64    88      69    87      68    86
Temp          78 80   66 62 80 83   69 65 84 85   73 70 83 82   72 68 83 83
Dewpt         60 60   60 59 62 63   62 63 67 69   69 67 70 69   69 66 68 67
PWind dir        NE       E    SE      SE     S      SE    SW       N    NE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW   FW FW FW FW   FW FW SC SC   B1 B1 B1 B1   B1 SC SC SC
PoP 12hr          0       0     0       5     5      40    20      20    10
Rain shwrs                                         S  C  S  S    S  S  S
Tstms                                              S  C  S  S    S  S  S

$$
IAZ004-221000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
305 PM CDT Fri Jul 21 2017

Date           07/21/17      Sat 07/22/17            Sun 07/23/17            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                      69          87          63          81          57
Temp          80 80 74 72 69 71 77 83 86 85 73 69 64 65 74 81 81 79 65 62 58 59
Dewpt         73 74 72 69 67 70 70 69 69 67 65 62 60 60 63 61 60 60 60 58 56 56
RH            79 82 93 90 93 97 79 63 57 55 76 78 87 84 69 51 49 52 84 87 93 90
Wind dir       S  S  S  S NW NW  N NW NW NW  W  W NW NW  N NW NW  N  N  N  N NE
Wind spd      12  8  9  6  5  6 10 10  9  6  4  4  5  5  9 10 10  9  5  4  4  5
Clouds        B1 B1 B1 B1 B1 B1 SC SC FW FW FW SC SC SC CL FW FW FW FW FW FW FW
PoP 12hr                     30           5           0           0           0
QPF 12hr                   0.20           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     L  C  C  C  C
Tstms          L  C  C  C  C


Date           07/24  Tue 07/25/17  Wed 07/26/17  Thu 07/27/17  Fri 07/28/17
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          78      59    82      64    84      65    84      64    82
Temp          75 77   64 63 79 81   70 66 81 81   70 66 83 82   68 65 79 80
Dewpt         58 59   59 59 63 65   62 63 67 68   66 65 68 67   66 64 65 66
PWind dir         E      SE     S       S     S      SE    SE      NE    NE
Wind char        LT      LT    GN      GN    GN      LT    LT      LT    LT
Avg clouds    FW FW   FW FW SC SC   SC SC B1 B1   B1 B1 B1 SC   SC FW SC FW
PoP 12hr          0       0     5      10    30      40    20      20     5
Rain shwrs                                 S  C    C  C     S    S
Tstms                                      S  C    C  C     S    S

$$
IAZ035-221000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
305 PM CDT Fri Jul 21 2017

Date           07/21/17      Sat 07/22/17            Sun 07/23/17            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                      72          90          66          85          59
Temp          90 82 78 75 72 73 80 88 90 88 76 71 67 67 77 84 85 82 70 64 60 60
Dewpt         76 75 72 71 69 69 72 72 71 72 68 66 61 62 65 64 62 62 61 59 58 57
RH            64 79 82 87 90 87 77 59 54 59 76 84 81 84 67 51 46 51 73 84 93 90
Wind dir       S  S  S  S SW  W NW  N NW NW  W SW  W NW  N  N  N  N  N  N  N NE
Wind spd      13 11 12  9  4  5  9 10  9  6  4  3  3  4  6  9 10  9  6  4  4  4
Wind gust     24
Clouds        SC SC B1 B2 B1 B1 SC SC SC SC FW SC SC SC FW FW FW FW FW FW FW FW
PoP 12hr                     40           5           5           0           0
QPF 12hr                   0.11           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  C  S  C  S
Tstms          C  C  S  C  S
Heat index   101 89                95 96 95
Max heat        102    84          95    97    89          85    86


Date           07/24  Tue 07/25/17  Wed 07/26/17  Thu 07/27/17  Fri 07/28/17
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          81      60    84      64    87      68    86      66    85
Temp          77 79   64 62 80 82   70 66 84 84   73 68 81 81   70 66 81 82
Dewpt         59 60   59 59 63 64   61 62 67 69   67 65 69 68   68 65 67 66
PWind dir        NE      SE    SE      SE     S      SE    SW      NE    NE
Wind char        LT      LT    GN      GN    GN      LT    LT      LT    LT
Avg clouds    FW FW   FW FW FW FW   FW FW SC B1   B1 B1 B1 SC   SC SC SC FW
PoP 12hr          0       0     0       5    10      50    20      20    10
Rain shwrs                                         C  C  S  S    S
Tstms                                              C  C  S  S    S

$$
IAZ094-221000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
305 PM CDT Fri Jul 21 2017

Date           07/21/17      Sat 07/22/17            Sun 07/23/17            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                      77          95          72          90          64
Temp          95 92 84 82 78 77 87 93 95 90 79 76 73 73 81 88 90 86 76 71 65 66
Dewpt         76 76 74 72 71 70 73 73 72 71 69 69 67 69 70 67 65 66 65 63 61 61
RH            54 60 72 72 79 79 63 52 48 54 72 79 81 87 69 50 44 51 69 76 87 84
Wind dir       S  S  S  S SW SW  W  W NW  N  N  E SW  W  W  W NW  N  N NE NE NE
Wind spd      13 11 11 11 10 10 11  9  8  8  4  3  3  3  5  8  9  6  5  6  5  5
Clouds        FW FW FW FW FW SC SC SC SC SC SC B1 B1 B1 SC SC FW SC FW FW FW FW
PoP 12hr                      5          10          10           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Heat index   109105 91 87       95102104 97
Max heat        109   101    85   103   105    92          93    94    85
Excess Heat    W  W  W  W  W  W  W  W  W  W


Date           07/24  Tue 07/25/17  Wed 07/26/17  Thu 07/27/17  Fri 07/28/17
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      64    86      67    89      72    89      71    88
Temp          83 83   70 66 85 85   71 69 87 87   76 72 85 84   74 71 85 85
Dewpt         61 61   59 60 63 64   63 64 68 68   69 68 69 69   69 68 68 68
PWind dir        NE       E    SE      SE     S       S    SW      SW    NE
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    LT
Avg clouds    FW FW   FW FW FW FW   FW FW FW SC   SC SC B1 SC   SC B1 B1 B1
PoP 12hr          0       0     5       0     5      10    10      20    20
Rain shwrs                                                          S  S
Tstms                                                               S  S

$$
IAZ017-221000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
305 PM CDT Fri Jul 21 2017

Date           07/21/17      Sat 07/22/17            Sun 07/23/17            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                      70          87          64          82          57
Temp          79 77 73 72 70 72 77 85 87 84 73 69 65 66 75 81 82 79 66 63 58 58
Dewpt         74 74 72 70 69 70 73 72 72 72 68 66 63 63 65 64 63 62 61 60 57 57
RH            85 90 97 93 97 93 87 65 61 67 84 90 93 90 71 56 53 56 84 90 96 96
Wind dir       S  S  S  S SW  W NW NW NW NW  W  W  W NW NW NW NW  N  N  N  N NE
Wind spd      12 10 10 10  6  5  9 11 10  8  4  3  4  5  9 11 12 10  6  5  4  5
Wind gust     23
Clouds        B1 B1 B2 B2 B2 B1 SC SC SC SC FW SC SC SC FW FW FW FW FW FW FW FW
PoP 12hr                     60           5           5           0           5
QPF 12hr                   0.22           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     L  L  C  C  C
Tstms          L  L  C  C  C
Heat index                         91 94 90
Max heat                           91    94    85          83    83


Date           07/24  Tue 07/25/17  Wed 07/26/17  Thu 07/27/17  Fri 07/28/17
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          78      58    81      62    83      65    83      64    82
Temp          75 76   63 61 77 79   66 64 81 81   68 66 80 78   67 65 80 79
Dewpt         59 60   58 58 62 64   62 63 68 68   65 65 69 68   67 65 66 67
PWind dir        NE      SE    SE       S     S      SE    SE      NE    NE
Wind char        LT      LT    GN      GN    GN      LT    LT      LT    LT
Avg clouds    FW FW   FW FW FW FW   FW SC SC B1   B1 B1 B1 B1   SC SC SC SC
PoP 12hr          0       0     0       5    20      40    40      30    10
Rain shwrs                                    S    C  C  C  C    C
Tstms                                         S    C  C  C  C    C

$$
IAZ049-221000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
305 PM CDT Fri Jul 21 2017

Date           07/21/17      Sat 07/22/17            Sun 07/23/17            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                      73          90          67          85          59
Temp          93 87 78 77 74 75 83 88 90 86 75 71 68 68 78 85 85 82 69 64 60 61
Dewpt         76 77 73 72 71 71 73 74 73 72 69 68 65 65 66 66 64 64 62 61 59 59
RH            58 72 85 85 90 87 72 63 58 63 82 90 90 90 67 53 50 55 78 90 96 93
Wind dir       S  S  S  S SW SW  W NW NW NW NW  W  W  W NW NW NW  N  N  N  N  N
Wind spd      12 10 10 11  8  5  8  9 10  8  4  3  4  4  6  8 10  8  6  4  4  5
Clouds        SC SC B1 B2 B2 B1 SC SC SC SC FW SC SC SC FW SC FW FW FW FW FW FW
PoP 12hr                     50          10           5           5           0
QPF 12hr                   0.23           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S  C  C  C  C
Tstms          S  C  C  C  C
Heat index   106 99             89 96 98 93
Max heat        109    91          97    98    88          88    88
Heat           Y  Y  Y  Y  Y  Y  Y  Y  Y  Y


Date           07/24  Tue 07/25/17  Wed 07/26/17  Thu 07/27/17  Fri 07/28/17
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      58    83      63    86      67    85      66    83
Temp          77 77   63 60 79 81   67 65 83 83   71 68 81 81   69 66 81 80
Dewpt         60 60   59 58 61 63   61 62 66 68   67 66 70 70   68 65 67 67
PWind dir        NE       E    SE      SE     S       S     S      NW    NE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW   FW FW FW FW   FW FW SC SC   B1 B1 B1 B1   B1 SC SC SC
PoP 12hr          0       0     0       5     5      50    30      30    20
Rain shwrs                                         S  C  C  C    C  S     S
Tstms                                              S  C  C  C    C  S     S

$$
IAZ086-221000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
305 PM CDT Fri Jul 21 2017

Date           07/21/17      Sat 07/22/17            Sun 07/23/17            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                      79          96          71          91          63
Temp          97 93 85 83 80 79 87 95 96 90 78 75 72 72 83 90 90 86 75 69 64 65
Dewpt         75 75 74 72 72 70 72 72 72 72 69 70 67 68 68 65 65 65 64 62 61 61
RH            50 56 70 70 77 74 61 48 46 56 74 84 84 87 61 44 44 50 69 78 90 87
Wind dir       S  S  S SW SW SW  W  W NW NW  N NW SW  W  W NW NW  N  N  N  N  N
Wind spd      12 11 10 10 10 10 11 10  9  9  5  4  3  4  6  8  9  8  6  5  4  5
Clouds        SC SC SC SC B1 B1 SC SC SC SC SC B1 B1 B1 SC SC FW SC FW FW FW FW
PoP 12hr                     10          10          10          10           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Heat index   110105 92 88       94103105 98
Max heat        111   101    87   105   106    91          95    94    86
Excess Heat    W  W  W  W  W  W  W  W  W  W


Date           07/24  Tue 07/25/17  Wed 07/26/17  Thu 07/27/17  Fri 07/28/17
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      62    86      66    90      71    89      71    88
Temp          82 82   65 64 83 84   72 69 88 88   74 71 84 83   75 71 86 83
Dewpt         60 60   59 59 60 61   61 62 65 66   67 67 70 69   68 67 67 67
PWind dir        NE       E    SE      SE    SE      SE     S      SW     N
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW   FW FW FW FW   FW FW FW SC   SC B1 B1 SC   SC B1 B1 SC
PoP 12hr          0       0     0       0     5      30    30      10    20
Rain shwrs                                            C  C  S             S
Tstms                                                 C  C  S             S

$$



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