Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
107 PM CDT Fri Sep 22 2017

IAZ060-222200-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
107 PM CDT Fri Sep 22 2017

Date             Fri 09/22/17            Sat 09/23/17            Sun 09/24/17
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      93          71          92          72          88
Temp                      90 85 80 76 73 72 81 89 92 87 80 76 74 72 81 87 88 83
Dewpt                     70 70 69 68 67 66 69 68 67 66 66 65 64 64 66 66 64 64
RH                        52 61 69 76 81 81 67 50 44 50 62 69 71 76 60 50 45 53
Wind dir                   S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd                  13 10  8  8  5  5  8 10 11  8  6  6  5  5  8  9  9  6
Clouds                    FW FW FW CL FW FW FW FW SC FW FW FW FW FW FW SC SC SC
PoP 12hr                      0           0           0           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Heat index                96 90             86 94
Max heat               95    96    88          95    97    88          90    91
Heat                       Y


Date          Mon 09/25/17  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          67    84      63    75      54    70      52    72
Temp          70 67 83 78   68 63 74 71   62 54 69 67   58 53 71 67
Dewpt         64 63 66 65   64 61 62 58   55 52 52 50   50 48 50 49
PWind dir         S     S      SW     W      NW    NW      NW    NW
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    SC SC B1 B1   B2 B2 B2 B2   B1 B1 B1 SC   SC SC SC SC
PoP 12hr         10    30      40    40      20     5       5     5
Rain shwrs           C  C    C  C  C  C    S  S
Tstms                C  C    C  C  C  S

$$
IAZ039-222200-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
107 PM CDT Fri Sep 22 2017

Date             Fri 09/22/17            Sat 09/23/17            Sun 09/24/17
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      93          69          90          68          88
Temp                      91 85 79 75 71 70 80 88 89 83 76 72 70 69 79 86 88 80
Dewpt                     70 69 68 67 65 65 68 67 65 65 64 64 63 63 65 64 62 63
RH                        50 59 69 76 81 84 67 50 45 55 66 76 78 81 62 48 42 56
Wind dir                   S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd                  14 10  8  6  5  5  8 10 10  8  6  5  4  5  8 10  9  6
Clouds                    CL CL CL FW CL FW FW FW SC FW FW FW FW FW FW SC SC SC
PoP 12hr                      0           0           0           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Heat index                97 90
Max heat               95    97    88          91    93    83          87    89
Heat                       Y


Date          Mon 09/25/17  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          64    84      62    75      52    69      49    70
Temp          68 65 83 78   68 63 75 68   59 53 68 64   56 50 69 64
Dewpt         62 62 63 63   62 61 63 59   54 50 51 49   50 47 49 49
PWind dir         S     S       S    SW      NW    NW      NW    NW
Wind char        LT    LT      LT    LT      LT    GN      LT    LT
Avg clouds    SC SC SC B1   B2 B2 B2 B2   B1 B1 SC SC   SC SC SC SC
PoP 12hr         10    30      40    50      30     5       5    10
Rain shwrs           C  C    C  C  C  C    C  S
Tstms                C  C    C  C  C  C    S

$$
IAZ048-222200-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
107 PM CDT Fri Sep 22 2017

Date             Fri 09/22/17            Sat 09/23/17            Sun 09/24/17
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      91          68          89          67          88
Temp                      89 84 77 73 70 69 79 87 89 84 76 72 69 68 79 87 88 82
Dewpt                     70 69 68 68 67 66 69 68 66 66 65 65 64 63 66 65 64 64
RH                        54 61 74 84 90 90 72 53 47 55 69 79 84 84 64 48 45 55
Wind dir                   S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd                  13 11  8  6  5  5  9 11 11  8  6  5  5  5  9 10  9  6
Clouds                    FW CL FW CL FW FW FW SC SC FW FW FW FW SC FW SC SC SC
PoP 12hr                      0           0           0           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Heat index                95 89
Max heat               93    96    86          92    93    84          89    90
Heat                       Y


Date          Mon 09/25/17  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          65    83      61    74      52    70      50    71
Temp          68 65 82 76   67 61 73 69   60 52 68 66   57 51 70 65
Dewpt         64 63 65 65   63 61 61 58   54 51 51 51   49 48 50 50
PWind dir         S     S      SW     W      NW    NW      NW    NW
Wind char        LT    LT      LT    LT      LT    GN      LT    LT
Avg clouds    SC SC B1 B1   B2 OV B2 B2   B1 B1 SC SC   SC SC SC SC
PoP 12hr         10    40      40    40      10     5       5    10
Rain shwrs           C  C    C  C  C  S
Tstms                C  C    C  C  C  S

$$
IAZ004-222200-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
107 PM CDT Fri Sep 22 2017

Date             Fri 09/22/17            Sat 09/23/17            Sun 09/24/17
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      91          69          86          68          83
Temp                      89 84 78 74 72 69 77 84 85 80 73 72 70 68 74 81 82 75
Dewpt                     70 70 68 68 68 67 69 69 68 67 66 65 65 64 66 65 64 64
RH                        54 63 71 82 87 93 76 61 57 65 79 79 84 87 76 58 55 69
Wind dir                   S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd                  20 13 13 12  9  8 11 11 12  9  8 10  9  9 12 13 12  8
Wind gust                       26 23             25
Clouds                    FW FW SC SC SC SC SC SC B1 B1 B1 B1 SC SC SC B1 B1 B2
PoP 12hr                      0           0          10          20          20
QPF 12hr                      0           0           0        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S              S  S  C
Tstms                                                 S  S              S  S  C
Heat index                94
Max heat               93    95    86          88    90                83    85
Heat                       Y


Date          Mon 09/25/17  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          63    73      55    66      47    66      47    67
Temp          66 63 73 66   61 55 66 61   54 48 64 62   53 48 66 62
Dewpt         61 61 64 63   59 55 55 54   50 47 48 49   48 46 48 49
PWind dir        SE     S       W    NW      NW    NW      NW    NW
Wind char        LT    LT      LT    GN      LT    GN      LT    GN
Avg clouds    B2 B2 OV OV   OV OV B2 B2   B1 B1 SC SC   SC SC SC SC
PoP 12hr         40    70      60    30      10     5       5    10
Rain shwrs     C  C  C  L    L  L  C
Tstms          C  C  C  C    C  C  S

$$
IAZ035-222200-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
107 PM CDT Fri Sep 22 2017

Date             Fri 09/22/17            Sat 09/23/17            Sun 09/24/17
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      92          71          89          69          87
Temp                      91 85 79 75 73 71 77 87 89 83 77 73 70 69 77 85 86 80
Dewpt                     71 70 67 67 67 67 69 69 67 66 64 65 64 64 65 65 64 65
RH                        52 61 67 76 81 87 76 55 48 57 64 76 81 84 67 51 48 60
Wind dir                   S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd                  17 13 12 10  8  8 11 12 13 10 10  9  8  9 11 12 11  8
Clouds                    FW CL FW FW FW SC FW SC SC SC FW SC FW SC FW SC B1 B1
PoP 12hr                      0           0           5           5          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Heat index                98 90
Max heat               96    98    87          91    93    82          87    89
Heat                       Y


Date          Mon 09/25/17  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          65    80      59    70      50    69      48    70
Temp          69 66 79 74   67 59 70 66   56 51 67 65   55 49 69 64
Dewpt         63 63 65 65   62 58 59 56   52 48 49 49   49 47 49 49
PWind dir         S     S      SW     W      NW    NW      NW    NW
Wind char        LT    LT      LT    GN      LT    GN      LT    LT
Avg clouds    SC B1 B2 B2   OV OV B2 B2   B1 B1 SC SC   SC SC SC SC
PoP 12hr         20    60      60    50      10     5       5    10
Rain shwrs        S  C  L    L  C  C
Tstms             S  C  C    C  C  C

$$
IAZ094-222200-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
107 PM CDT Fri Sep 22 2017

Date             Fri 09/22/17            Sat 09/23/17            Sun 09/24/17
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      90          69          88          67          86
Temp                      89 83 77 74 71 69 78 86 87 82 74 72 69 68 78 85 86 80
Dewpt                     70 70 69 68 67 66 68 68 67 66 65 64 64 63 66 66 64 64
RH                        54 65 76 82 87 90 71 55 52 58 74 76 84 84 67 53 48 58
Wind dir                   S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd                  12  9  6  6  5  5  8 10 10  6  5  5  5  5  8  9  9  5
Clouds                    CL CL CL FW FW FW FW FW FW FW FW FW FW FW FW SC SC FW
PoP 12hr                      0           0           5           5          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Heat index                94
Max heat               93    95    84          91    92    82          88    89
Heat                       Y


Date          Mon 09/25/17  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          65    83      61    74      54    71      51    72
Temp          70 66 82 76   68 61 73 70   62 54 69 67   58 52 71 67
Dewpt         64 64 66 65   64 61 62 59   56 53 53 51   50 49 51 50
PWind dir         S     S       S     W      NW     N      NW    NW
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC B1 B1   B2 B2 B2 B2   B1 B1 B1 B1   B1 SC SC SC
PoP 12hr         10    50      40    40      20    10       5     5
Rain shwrs           C  C    C  C  C  C    S  S
Tstms                C  C    C  C  C  S

$$
IAZ017-222200-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
107 PM CDT Fri Sep 22 2017

Date             Fri 09/22/17            Sat 09/23/17            Sun 09/24/17
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      91          68          89          68          86
Temp                      89 83 76 73 70 69 78 86 89 83 76 73 70 69 78 85 86 80
Dewpt                     70 69 67 67 66 66 69 68 66 66 65 64 64 64 66 64 64 64
RH                        54 63 74 81 87 90 74 55 47 57 69 73 81 84 67 50 48 58
Wind dir                   S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd                  17 13 11 10  9  8 10 12 13  9  9  8  8  8 11 12 10  8
Clouds                    FW CL FW FW FW FW FW SC SC SC FW SC FW SC FW SC SC B1
PoP 12hr                      0           0           5           5          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Heat index                94                   91
Max heat               94    95    83          91    92    82          87    88
Heat                       Y


Date          Mon 09/25/17  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          64    80      59    70      49    67      47    68
Temp          69 64 79 74   66 59 70 64   56 50 65 63   55 48 67 62
Dewpt         63 62 64 64   62 59 59 56   52 48 49 48   49 46 49 49
PWind dir         S     S       S     W      NW    NW      NW    NW
Wind char        LT    LT      LT    GN      GN    GN      LT    GN
Avg clouds    SC SC B1 B2   B2 OV B2 B2   B1 B1 SC SC   SC SC SC SC
PoP 12hr         20    50      50    50      10     5       5    10
Rain shwrs        S  C  C    C  C  C  S
Tstms             S  C  C    C  C  C  S

$$
IAZ049-222200-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
107 PM CDT Fri Sep 22 2017

Date             Fri 09/22/17            Sat 09/23/17            Sun 09/24/17
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      90          69          90          67          87
Temp                      89 83 77 73 70 70 80 88 89 84 75 72 69 68 79 86 87 80
Dewpt                     70 69 68 67 66 66 68 67 67 66 65 64 62 63 65 64 63 63
RH                        54 63 74 81 87 87 67 50 48 55 71 76 78 84 62 48 45 56
Wind dir                   S  S  S  S  S  S  S  S  S  S SE  S  S  S  S  S  S  S
Wind spd                  14 10  8  6  5  5  9 10 11  6  6  5  4  5  9  9  9  6
Clouds                    CL CL FW FW CL FW FW FW SC FW FW FW FW FW FW SC SC SC
PoP 12hr                      0           0           0           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Heat index                94
Max heat               95    96    84          92    93    83          88    88
Heat                       Y


Date          Mon 09/25/17  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          64    83      61    74      52    69      49    70
Temp          68 64 82 76   67 61 73 69   59 53 68 65   56 50 69 64
Dewpt         62 62 64 64   62 61 61 59   54 50 51 50   49 47 50 50
PWind dir         S     S       S     W      NW    NW      NW    NW
Wind char        LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    SC SC B1 B1   B2 B2 B2 B2   B1 B1 B1 SC   SC SC SC SC
PoP 12hr         10    40      40    50      30     5       5    10
Rain shwrs           C  C    C  C  C  C    C  S
Tstms                C  C    C  C  C  C

$$
IAZ086-222200-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
107 PM CDT Fri Sep 22 2017

Date             Fri 09/22/17            Sat 09/23/17            Sun 09/24/17
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      91          69          90          68          88
Temp                      89 83 77 74 71 69 80 88 89 84 76 73 71 68 79 86 87 80
Dewpt                     71 71 68 67 65 65 69 68 67 66 65 64 63 63 66 65 64 65
RH                        56 67 74 79 81 87 69 52 48 55 69 73 76 84 64 50 46 60
Wind dir                   S  S  S  S  S  S  S  S  S SE SE  S  S  S  S  S  S SE
Wind spd                  11  6  6  5  5  5  6  8  9  6  5  5  5  4  6  8  8  5
Clouds                    FW CL CL CL FW FW FW SC FW FW FW FW FW FW FW FW SC SC
PoP 12hr                      0           0           0           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Heat index                95 88
Max heat               95    96    85          92    93    83          89    90
Heat                       Y


Date          Mon 09/25/17  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          65    85      63    78      55    71      51    72
Temp          71 65 84 78   68 64 78 70   62 55 70 67   57 52 71 67
Dewpt         63 62 64 64   63 62 63 60   56 53 53 51   50 49 50 49
PWind dir        SE     S       S     W      NW    NW      NW    NW
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC SC   B1 B1 B1 B1   B1 B1 B1 B1   B1 SC SC SC
PoP 12hr         10    30      30    40      20     5       5     5
Rain shwrs           S  C       C  C  C    S  S
Tstms                S  S       C  S  C    S  S

$$



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