Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
336 PM CDT Mon May 22 2017

IAZ060-231000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
336 PM CDT Mon May 22 2017

Date           05/22/17      Tue 05/23/17            Wed 05/24/17            Thu
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          62          48          64          48
Temp          70 68 60 56 53 53 58 61 62 60 55 51 49 49 55 59 63 63 56 53 48 51
Dewpt         53 52 52 51 50 49 49 47 47 46 46 46 45 46 47 48 49 48 48 47 46 47
RH            55 57 75 83 89 86 72 60 58 60 72 83 86 89 74 67 60 58 74 80 93 86
Wind dir      SW SW SW  W NW NW  N  N NW  N  N  N NW  N  N  N  N  N  N  N NW  N
Wind spd      12 10  5  4  5  6  9 11 10 10  8  8  9 10 11 11 10  9  4  3  3  3
Clouds        SC B1 OV OV OV OV B2 B1 B2 B2 B2 B1 B2 B2 B2 B2 B2 B1 SC FW FW FW
PoP 12hr                     30          40          30          30           0
QPF 12hr                   0.06        0.05        0.02        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S     S  S  S  S  S  C  C  C  C  S  S  C  C  S  S
Tstms          S     S              S  S


Date           05/25  Fri 05/26/17  Sat 05/27/17  Sun 05/28/17  Mon 05/29/17
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          74      58    75      57    75      56    76      55    72
Temp          70 73   61 60 72 73   62 58 73 72   60 58 73 73   59 56 70 69
Dewpt         52 54   52 53 59 59   55 53 56 55   52 52 53 52   50 49 51 51
PWind dir        SE      SE     E       N    NE       N     N      NW     W
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    FW SC   SC B2 B2 B1   SC SC B1 B2   B1 SC SC SC   SC SC SC SC
PoP 12hr          5      20    40      10    40      20    20      30    30
Rain shwrs             S  S  C                C    S        S    C  S  S  C
Tstms                  S  S                   S    S        S    S  S

$$
IAZ039-231000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
336 PM CDT Mon May 22 2017

Date           05/22/17      Tue 05/23/17            Wed 05/24/17            Thu
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          61          48          63          46
Temp          71 67 59 53 51 50 57 60 61 58 55 51 49 48 53 59 63 61 55 51 47 48
Dewpt         53 53 52 51 50 49 49 48 48 48 48 47 46 46 48 48 49 48 49 47 46 46
RH            53 61 78 93 96 96 75 64 62 69 77 86 89 93 83 67 60 62 80 86 96 93
Wind dir      SW SW SW NW NW  N  N  N  N  N  N  N  N  N  N  N  N  N  N  N NE NE
Wind spd       8  8  5  3  4  6  9  9  9  9  6  6  8  9 11 11 11  9  5  4  3  4
Clouds        SC B1 B2 OV OV OV B2 B2 OV B2 B2 B2 B2 B2 B2 B2 B1 B1 SC FW FW FW
PoP 12hr                     40          60          40          30           5
QPF 12hr                   0.02        0.07        0.04        0.03           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  C  C     S  C  L  C  C  C  C  C  C  S  S
Tstms                S              S  S


Date           05/25  Fri 05/26/17  Sat 05/27/17  Sun 05/28/17  Mon 05/29/17
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          73      54    75      55    75      55    74      53    70
Temp          69 71   58 56 72 73   59 57 73 71   59 57 71 71   57 54 68 67
Dewpt         50 51   51 52 57 56   54 52 54 54   52 52 52 52   50 49 51 50
PWind dir        SE      SE     S      NW    NE       N    NW      NE     W
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    FW SC   B1 B2 B2 B1   SC SC B1 B1   B1 B1 SC SC   SC SC SC B1
PoP 12hr          5      20    20      10    30      30    10      30    30
Rain shwrs                S  S  S             C    C             S  C  C  C
Tstms                           S                                S  S

$$
IAZ048-231000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
336 PM CDT Mon May 22 2017

Date           05/22/17      Tue 05/23/17            Wed 05/24/17            Thu
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          61          48          64          47
Temp          71 67 58 54 52 52 57 61 60 59 54 50 49 48 54 59 63 63 57 52 48 50
Dewpt         53 52 51 51 49 48 48 47 47 46 46 46 46 46 47 48 48 48 48 47 46 47
RH            53 59 77 90 89 86 72 60 62 62 74 86 89 93 77 67 58 58 72 83 93 89
Wind dir      SW SW  W NW  N NW  N  N  N  N  N  N  N  N  N  N  N  N  N  N  N  E
Wind spd      10  9  8  4  5  8  9 11 10 10  8  9  9 10 11 11 10  9  5  4  3  3
Clouds        SC B1 OV OV OV OV B1 B2 B2 B2 B2 B1 B2 B2 B2 B2 B1 B1 SC FW FW FW
PoP 12hr                     30          50          30          30           0
QPF 12hr                   0.04        0.06        0.02        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           C              C  C  C  C  S  S  C  C
Tstms                S              S  S


Date           05/25  Fri 05/26/17  Sat 05/27/17  Sun 05/28/17  Mon 05/29/17
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          74      57    75      55    74      56    75      53    71
Temp          70 72   61 58 71 73   59 57 71 71   59 58 72 72   57 55 68 69
Dewpt         52 53   53 53 58 57   54 52 55 54   52 52 52 52   50 49 51 50
PWind dir        SE      SE     S       N    NE       N     N      NW    NW
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    FW SC   B1 B2 B2 B1   SC SC B1 B2   B1 SC SC SC   SC SC SC B1
PoP 12hr          5      20    30      10    30      10    10      30    20
Rain shwrs                S  C                C                  S  C  S  S
Tstms                     S                   S                  S  S

$$
IAZ004-231000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
336 PM CDT Mon May 22 2017

Date           05/22/17      Tue 05/23/17            Wed 05/24/17            Thu
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                      46          56          44          63          45
Temp          66 60 54 50 48 47 53 55 56 55 50 48 46 44 50 57 61 62 53 48 46 47
Dewpt         48 48 48 47 43 43 44 44 44 44 45 44 43 42 44 44 45 44 45 44 44 44
RH            52 64 80 89 83 86 71 66 64 66 83 86 89 93 80 62 56 52 74 86 93 89
Wind dir      NW  N  N NW NW NW  N  N  N  N  N  N  N  N  N  N  N NE  E SE SE SE
Wind spd       8 13  6  6  8  9 12 12 13 13  9 10 11 11 11 10  9  8  4  4  4  6
Clouds        B2 OV B2 B2 B1 B2 OV OV OV B2 B2 B2 B2 B2 B1 B1 SC SC FW FW FW FW
PoP 12hr                     70          50          30           5           0
QPF 12hr                   0.06        0.04        0.02           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  L  C  S        S  C  C  C  C
Tstms          C  L  S              S  S
Wind chill                                           38
Min chill                                            38    39


Date           05/25  Fri 05/26/17  Sat 05/27/17  Sun 05/28/17  Mon 05/29/17
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          73      55    75      52    73      52    72      51    70
Temp          68 72   59 57 71 73   56 54 70 71   56 54 69 70   55 53 66 68
Dewpt         49 50   51 51 52 51   48 47 49 49   47 46 48 48   47 46 48 47
PWind dir         S       S     W      NW    NW      NW    NW      NW    NW
Wind char        GN      GN    GN      LT    GN      GN    GN      GN    GN
Avg clouds    SC SC   B2 B2 B1 SC   SC SC B1 B1   B1 B1 B1 B1   SC SC B1 B1
PoP 12hr         10      30    10      10    20      10    20      20    30
Rain shwrs             C  C          S        S             S    S  S  C  C
Tstms                     S                                 S    S        S

$$
IAZ035-231000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
336 PM CDT Mon May 22 2017

Date           05/22/17      Tue 05/23/17            Wed 05/24/17            Thu
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          59          47          64          46
Temp          72 66 57 53 51 49 55 58 59 57 53 49 48 47 53 58 63 62 54 50 47 48
Dewpt         50 49 50 48 47 45 46 46 45 45 45 45 44 44 45 46 47 46 46 46 45 45
RH            46 54 77 83 86 86 72 64 60 64 74 86 86 89 74 64 56 56 74 86 93 89
Wind dir      SW  W  N  N NW  N  N  N  N  N  N  N  N  N  N  N  N NE NE NE  E SE
Wind spd       9  8  8  5  6  9 12 12 12 11  9  9  9 10 12 11 10  8  5  4  3  4
Clouds        B1 OV OV OV B2 B1 B2 OV OV B2 B2 B2 B2 B2 B1 B1 B1 SC FW FW FW FW
PoP 12hr                     70          50          30          10           0
QPF 12hr                   0.11        0.06        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S  L  C              C  C  C  C  S  S
Tstms          S  L  S              S  S


Date           05/25  Fri 05/26/17  Sat 05/27/17  Sun 05/28/17  Mon 05/29/17
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          74      56    74      54    74      54    74      52    71
Temp          69 72   60 57 71 72   59 55 71 71   59 55 71 71   57 53 68 69
Dewpt         51 52   53 52 55 54   52 50 52 51   50 49 50 50   49 48 50 49
PWind dir         S       S    SW       N    NE       N     N      NW    NW
Wind char        GN      GN    LT      LT    GN      LT    GN      GN    GN
Avg clouds    FW SC   B1 B2 B2 B1   SC SC B1 B1   B1 B1 SC SC   SC SC SC B1
PoP 12hr         10      20    20      10    10      10    10      30    30
Rain shwrs             S  S  S                                   S  C  C  S
Tstms                     S                                      S  S     S

$$
IAZ094-231000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
336 PM CDT Mon May 22 2017

Date           05/22/17      Tue 05/23/17            Wed 05/24/17            Thu
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          61          47          62          47
Temp          63 63 57 53 53 52 57 61 61 59 53 50 48 48 54 57 61 61 54 51 48 49
Dewpt         57 54 52 51 50 50 50 48 47 46 46 45 45 45 47 48 48 48 47 46 45 46
RH            81 72 83 93 89 93 77 62 60 62 77 83 89 89 77 72 62 62 77 83 89 89
Wind dir      SW SW SW SW  W NW  N  N  N  N NW NW NW  N  N  N  N  N  N NW NW NW
Wind spd      14 10  6  6  5  8 11 12 11 10  8  9  9 10 12 13 12  9  5  5  4  3
Clouds        B2 SC SC OV OV OV B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B1 SC FW FW FW
PoP 12hr                     50          50          20          30           0
QPF 12hr                   0.07        0.10        0.02        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S        C  C  C  C  C  C  S  S  S  S  C  C  S  S
Tstms          S                    S  S


Date           05/25  Fri 05/26/17  Sat 05/27/17  Sun 05/28/17  Mon 05/29/17
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          74      57    76      57    75      56    76      54    72
Temp          70 72   60 59 73 74   62 58 72 72   59 59 74 73   59 55 70 69
Dewpt         52 54   52 53 60 60   57 55 58 57   52 53 54 53   50 49 52 52
PWind dir         S      SE     E      NE    NE      NW    NW       W     W
Wind char        LT      LT    LT      LT    GN      LT    GN      GN    GN
Avg clouds    FW SC   SC B2 B2 B1   B1 B1 B1 B2   B1 B1 B1 SC   SC SC SC SC
PoP 12hr          5      30    40      10    50      20    30      20    30
Rain shwrs                C  C  S          C  C    S     S  C    S     S  C
Tstms                     C  C  S          S  C    S     S  C    S

$$
IAZ017-231000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
336 PM CDT Mon May 22 2017

Date           05/22/17      Tue 05/23/17            Wed 05/24/17            Thu
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          58          46          62          45
Temp          70 63 56 52 50 49 56 58 58 57 51 48 47 47 52 58 61 61 53 49 45 48
Dewpt         52 50 50 48 47 46 46 46 46 45 46 46 45 44 46 47 47 46 47 46 45 45
RH            53 62 80 86 89 89 69 64 64 64 83 93 93 89 80 67 60 58 80 89100 89
Wind dir       W  W  N NW NW  N  N  N  N  N  N  N  N  N  N  N  N  N  N NE NE  E
Wind spd       6  4 10  5  6  8 10 10 11 10  9  9 10 10 11 11 11  9  5  3  3  4
Clouds        SC B2 OV OV B2 B1 B1 B2 OV B2 B1 B2 B2 B2 B2 B2 B1 SC SC FW FW FW
PoP 12hr                     70          50          30          20           0
QPF 12hr                   0.10        0.04        0.02           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        L  C  S  S        C  C  C  C  C  C  S  S
Tstms             L  S              S  S


Date           05/25  Fri 05/26/17  Sat 05/27/17  Sun 05/28/17  Mon 05/29/17
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          72      54    74      52    74      53    72      51    69
Temp          68 71   57 56 71 72   57 54 72 70   56 55 70 69   55 53 67 66
Dewpt         50 51   52 52 55 54   51 51 52 52   50 50 51 51   48 48 50 48
PWind dir        SE       S    SW      NW    NE       N     N      NW    NW
Wind char        GN      GN    LT      LT    LT      LT    GN      GN    GN
Avg clouds    FW SC   B1 B2 B2 B1   SC SC SC B1   B1 B1 SC B1   SC SC B1 B1
PoP 12hr          5      30    30      20    10      10    20      20    30
Rain shwrs             S  C  C  S       S                   S    S  S  S  C
Tstms                     S                                 S    S  S

$$
IAZ049-231000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
336 PM CDT Mon May 22 2017

Date           05/22/17      Tue 05/23/17            Wed 05/24/17            Thu
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          61          47          63          46
Temp          69 67 59 54 51 51 57 60 61 58 53 50 48 48 53 58 62 62 54 50 47 48
Dewpt         54 52 51 51 49 48 48 48 47 47 46 46 46 46 47 48 48 47 48 47 45 46
RH            59 59 75 90 93 89 72 64 60 67 77 86 93 93 80 69 60 58 80 89 93 93
Wind dir      SW SW SW NW NW  N  N  N  N  N  N  N  N  N  N  N  N  N  N  N  N NE
Wind spd      11 10  8  3  6  9 11 11 11 10  8  9 10 12 12 13 11 10  6  4  4  4
Clouds        SC B1 OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 SC FW FW FW
PoP 12hr                     30          50          40          40           0
QPF 12hr                   0.01        0.06        0.03        0.03           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S     S  C  S  S  S  C  C  C  C  C  C  C  C  S  S
Tstms          S     S              S  S


Date           05/25  Fri 05/26/17  Sat 05/27/17  Sun 05/28/17  Mon 05/29/17
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          72      55    74      55    74      55    74      52    71
Temp          68 70   58 57 70 72   59 57 71 72   58 57 71 71   57 54 68 69
Dewpt         51 52   51 52 57 57   54 53 55 54   51 52 52 52   49 49 51 50
PWind dir        SE      SE     S      NW    NE       N     N      NW     W
Wind char        LT      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    FW SC   B1 B2 B2 B1   SC SC B1 B2   B1 B1 SC SC   SC SC SC B1
PoP 12hr          5      20    30      10    40      20    10      30    30
Rain shwrs             S  S  C                C    S             S  C  S  C
Tstms                                              S             S  S

$$
IAZ086-231000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
336 PM CDT Mon May 22 2017

Date           05/22/17      Tue 05/23/17            Wed 05/24/17            Thu
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          63          48          63          49
Temp          65 64 58 56 53 53 57 60 63 60 54 51 48 49 54 58 62 62 55 52 50 50
Dewpt         56 54 52 51 51 50 51 51 50 49 48 46 46 47 49 49 50 50 50 48 47 48
RH            73 70 80 83 93 89 80 72 62 67 80 83 93 93 83 72 65 65 83 86 89 93
Wind dir      SW SW  S SW SW  W NW  N  N NW NW NW NW  N  N  N  N  N  N  N  N  N
Wind spd      16 10  6  6  6  6 10 11  9  9  8  8  9 10 12 12 12 11  6  6  6  5
Clouds        B2 B1 SC B2 OV OV OV B2 B2 OV B2 B1 B2 B2 B2 OV B2 B1 SC SC SC SC
PoP 12hr                     30          50          30          40           5
QPF 12hr                   0.02        0.11        0.02        0.04           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S        S  S  C  C  C  C  C  C  S  S  C  C  C  C
Tstms          S                    S  S


Date           05/25  Fri 05/26/17  Sat 05/27/17  Sun 05/28/17  Mon 05/29/17
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          74      57    75      58    76      57    76      55    72
Temp          68 72   60 58 72 74   61 60 74 73   60 59 73 73   60 56 70 69
Dewpt         51 53   51 52 59 60   57 56 59 58   54 54 54 54   51 49 52 52
PWind dir        SW      SE    SE      NE    NE      NW     W      SW     W
Wind char        LT      LT    GN      LT    LT      LT    GN      GN    GN
Avg clouds    SC SC   SC B1 B2 B2   B1 B1 B1 B2   B1 B1 B1 SC   SC SC SC SC
PoP 12hr          0      20    40      10    50      30    20      20    30
Rain shwrs             S  S  C  S          S  C    C  S     S    S  S  S  C
Tstms                  S  S     S             S    C  S     S    S  S     S

$$



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