Point Forecast Matrices
Issued by NWS Des Moines, IA

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Point Forecast Matrices
National Weather Service Des Moines IA
620 PM CDT Tue May 22 2018

IAZ060-231000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
620 PM CDT Tue May 22 2018

Date           05/22/18      Wed 05/23/18            Thu 05/24/18            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                      63          86          66          86          67
Temp             78 71 68 65 65 75 82 84 84 74 70 67 67 78 85 86 84 75 71 68 69
Dewpt            64 63 62 61 61 66 67 66 66 66 64 63 63 67 67 67 66 65 64 63 64
RH               62 76 81 87 87 74 61 55 55 76 81 87 87 69 55 53 55 71 79 84 84
Wind dir         SE SE SE SE SE  S  S  S SE SE  S SE  S  S  S  S  S  S  S  S  S
Wind spd          4  5  4  5  5  6  8 10  8  6  5  5  6  9 12 13 10  8  6  6  6
Clouds           B1 SC B1 B1 B1 B1 B1 SC SC FW FW SC SC SC SC SC SC SC B1 B1 B1
PoP 12hr                     10          10           5          10          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S                                                  S
Tstms                      S                                                  S


Date           05/25  Sat 05/26/18  Sun 05/27/18  Mon 05/28/18  Tue 05/29/18
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          87      67    87      67    88      68    88      68    86
Temp          85 85   70 69 85 84   71 69 85 85   72 70 85 86   72 70 84 83
Dewpt         69 68   65 64 69 67   64 64 68 67   64 64 67 67   65 65 70 68
PWind dir        SW      SW    SW       S     S      SE     E       N    NE
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1   SC SC SC SC   SC SC FW FW   FW FW FW SC   SC SC SC SC
PoP 12hr         30      30    20      10    10       5     5      20    20
Rain shwrs     S  C    C  S     S                                S  S     S
Tstms          S  C    C  S     S                                S  S     S

$$
IAZ039-231000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
620 PM CDT Tue May 22 2018

Date           05/22/18      Wed 05/23/18            Thu 05/24/18            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                      60          81          63          87          65
Temp             75 69 65 62 62 70 77 81 79 71 67 64 65 77 85 87 83 74 70 66 67
Dewpt            60 61 60 60 60 63 65 66 65 65 64 62 62 67 67 67 65 65 64 63 63
RH               60 76 84 93 93 78 67 60 62 81 90 93 90 71 55 52 55 74 81 90 87
Wind dir          E  E SE SE SE SE  S  S SE SE SE SE  S  S  S  S  S  S  S  S  S
Wind spd          4  4  5  5  5  9  9 10  8  6  6  5  6  9 12 13 10  9  8  8  9
Clouds           SC B1 B2 B2 B2 B2 B1 B1 B1 SC SC SC SC FW SC SC SC SC SC B1 B1
PoP 12hr                     50          50          10          10          20
QPF 12hr                   0.17        0.13           0           0        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  C  C  C  S                                   S  S  S
Tstms                   S  C  C  C  S                                   S  S  S


Date           05/25  Sat 05/26/18  Sun 05/27/18  Mon 05/28/18  Tue 05/29/18
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      64    89      64    88      65    88      65    84
Temp          87 87   69 67 86 85   69 67 85 84   70 67 86 84   70 66 82 81
Dewpt         69 68   65 63 66 65   63 63 67 65   63 62 66 64   63 63 68 65
PWind dir        SW      SW    SW       S     S      SE    NE       N    NE
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1   B1 SC SC SC   SC SC SC SC   SC SC FW SC   SC SC SC SC
PoP 12hr         30      40    10      10    10      10    10      20    10
Rain shwrs     S  C    C  S                                      S  S
Tstms          S  C    C  S                                      S  S

$$
IAZ048-231000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
620 PM CDT Tue May 22 2018

Date           05/22/18      Wed 05/23/18            Thu 05/24/18            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                      63          84          64          86          65
Temp             76 70 67 64 64 73 81 84 82 73 69 65 65 77 84 86 83 75 70 66 66
Dewpt            63 63 62 60 61 64 66 66 65 65 64 62 63 67 67 66 65 65 64 63 63
RH               64 78 84 87 90 73 60 55 56 76 84 90 93 71 57 51 55 71 81 90 90
Wind dir         SE SE SE SE SE SE SE  S SE SE SE  S  S  S  S  S  S  S  S  S  S
Wind spd          5  5  5  6  6  9 10 11  9  8  6  5  6 10 13 14 12  9  8  8  6
Clouds           B1 B1 B2 B1 B1 B1 B1 SC SC FW SC SC SC SC SC SC B1 SC B1 B1 B1
PoP 12hr                     30          20           5          10          20
QPF 12hr                   0.03        0.03           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S  S                                         S  S  S
Tstms                   S  S  S                                         S  S  S


Date           05/25  Sat 05/26/18  Sun 05/27/18  Mon 05/28/18  Tue 05/29/18
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      65    89      65    88      65    89      65    86
Temp          85 86   70 67 86 86   70 67 85 86   71 66 86 85   70 66 82 83
Dewpt         68 67   64 63 67 65   63 64 66 65   63 63 66 66   64 64 68 67
PWind dir        SW      SW    SW       S     S      SE     N       E    NE
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 SC   SC SC SC SC   SC SC FW SC   FW SC FW SC   SC SC SC SC
PoP 12hr         30      30    20      10    10       5     5      20    20
Rain shwrs     S  C    C  S     S                                S  S     S
Tstms          S  C    C  S     S                                S  S     S

$$
IAZ004-231000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
620 PM CDT Tue May 22 2018

Date           05/22/18      Wed 05/23/18            Thu 05/24/18            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                      61          82          64          87          64
Temp             75 68 65 63 62 69 77 81 80 73 69 65 65 76 84 87 84 74 69 66 65
Dewpt            60 61 61 61 60 63 65 64 64 64 63 62 62 65 65 64 63 63 63 62 61
RH               60 78 87 93 93 81 67 56 58 73 81 90 90 69 53 46 49 69 81 87 87
Wind dir         SE SE SE SE SE SE  S  S  S SE  S  S  S  S  S  S  S  S  S  S SW
Wind spd          8  5  6  8  9 11 12 12 11 10 11  9 10 14 17 18 16 12 12 11 11
Clouds           B1 B2 OV OV B2 B2 B1 SC SC SC SC SC B1 SC SC SC B1 B1 B1 B2 B1
PoP 12hr                     80          70          10          10          30
QPF 12hr                   1.19        0.30           0           0        0.04
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           C  L  D  L  C  S                             C  C  C  C
Tstms                C  L  D  L  C  S                             C  C  C  C


Date           05/25  Sat 05/26/18  Sun 05/27/18  Mon 05/28/18  Tue 05/29/18
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      64    90      63    88      64    88      64    85
Temp          85 85   69 66 87 87   70 64 83 86   70 66 85 85   70 65 81 82
Dewpt         65 63   60 59 61 60   60 60 63 61   61 59 62 61   61 60 63 61
PWind dir        SW      SW    SW       S     S       S    NW      SE     E
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    SC SC   SC SC FW FW   FW FW FW SC   FW FW FW SC   SC SC SC SC
PoP 12hr         20      20    10      10    10      10    10      20    20
Rain shwrs        S    S                                         S  S  S  S
Tstms             S    S                                         S  S  S  S

$$
IAZ035-231000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
620 PM CDT Tue May 22 2018

Date           05/22/18      Wed 05/23/18            Thu 05/24/18            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                      63          84          65          87          66
Temp             75 69 67 64 64 72 79 84 82 74 70 67 66 77 86 87 84 74 71 67 67
Dewpt            61 62 62 61 61 64 66 65 64 64 64 62 63 66 66 65 64 64 63 62 63
RH               62 78 84 90 90 76 64 53 55 71 81 84 90 69 51 48 51 71 76 84 87
Wind dir         SE SE SE SE SE SE  S  S  S SE  S  S  S  S  S  S  S  S  S  S  S
Wind spd          5  5  6  8  8 10 11 12 10  9  9  8  9 12 16 16 13 11 10  9  9
Clouds           B2 B2 B2 B1 B2 B1 B1 SC SC FW SC SC SC SC SC SC B1 SC B1 B1 B1
PoP 12hr                     50          30           5          10          30
QPF 12hr                   0.25        0.13           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  C  C  C  S                                      C  C
Tstms                S  C  C  C  S                                      C  C


Date           05/25  Sat 05/26/18  Sun 05/27/18  Mon 05/28/18  Tue 05/29/18
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      65    90      65    89      65    89      65    85
Temp          86 86   70 67 87 86   70 67 86 85   71 67 87 85   70 67 83 81
Dewpt         67 65   63 62 64 63   62 62 64 63   61 62 63 62   63 62 65 64
PWind dir        SW      SW    SW       S     S      SE    SE       E     E
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 SC   SC SC FW FW   SC FW FW SC   FW FW FW SC   SC SC SC SC
PoP 12hr         20      30    10      10    10      10     5      20    20
Rain shwrs        S    C  S                                      S  S     S
Tstms             S    C  S                                      S  S     S

$$
IAZ094-231000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
620 PM CDT Tue May 22 2018

Date           05/22/18      Wed 05/23/18            Thu 05/24/18            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                      64          86          65          86          66
Temp             80 71 68 64 64 76 83 85 83 73 70 66 66 78 85 86 83 74 71 67 67
Dewpt            63 63 61 60 61 66 67 66 66 65 65 63 63 67 67 66 65 64 63 62 63
RH               56 76 78 87 90 71 59 53 57 76 84 90 90 69 55 51 55 71 76 84 87
Wind dir         SE SE SE SE SE  S  S  S SE SE  S  S  S  S  S  S  S  S  S  S  S
Wind spd          5  5  5  5  5  8  9 10  8  6  6  5  5  9 11 11 10  8  8  6  8
Clouds           FW FW SC SC SC FW SC SC FW FW FW SC SC SC SC SC SC SC B1 B1 B1
PoP 12hr                      5          10           5          10          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs
Tstms


Date           05/25  Sat 05/26/18  Sun 05/27/18  Mon 05/28/18  Tue 05/29/18
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          87      66    88      66    89      67    88      67    86
Temp          85 83   70 68 86 84   71 68 87 85   72 69 86 84   72 68 85 82
Dewpt         68 67   64 63 69 68   64 63 68 66   64 63 67 67   65 65 69 69
PWind dir         S      SW    SW       S     S      SE     E      SW    NE
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1   SC SC SC SC   SC SC FW FW   FW FW FW SC   SC SC SC SC
PoP 12hr         30      20    20      10    10       5    10      20    30
Rain shwrs        C    S  S     S                                S        C
Tstms             C    S  S     S                                S        C

$$
IAZ017-231000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
620 PM CDT Tue May 22 2018

Date           05/22/18      Wed 05/23/18            Thu 05/24/18            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                      61          81          63          86          66
Temp             77 69 65 62 62 68 76 80 79 71 67 64 65 76 84 86 82 74 70 67 67
Dewpt            59 60 60 60 60 63 65 66 65 64 63 62 62 67 66 65 64 64 63 62 63
RH               54 73 84 93 93 84 69 62 62 79 87 93 90 74 55 50 55 71 78 84 87
Wind dir          S SE SE SE SE SE  S  S SE SE  S  S  S  S  S  S  S  S  S  S  S
Wind spd          4  5  6  6  8 10 11 11  9  8  9  8  8 11 14 16 12 10 10  9 11
Clouds           SC B1 OV OV OV B2 B2 B1 B1 SC SC SC B1 SC SC SC B1 SC B1 B1 B1
PoP 12hr                     80          70          10          10          20
QPF 12hr                   0.63        0.36           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  L  D  L  C  S                                   S  S
Tstms                S  L  D  L  C  S                                   S  S


Date           05/25  Sat 05/26/18  Sun 05/27/18  Mon 05/28/18  Tue 05/29/18
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      64    90      64    88      64    89      64    84
Temp          85 85   69 67 88 84   69 66 85 84   69 66 86 84   68 66 82 81
Dewpt         67 66   62 62 63 63   62 62 65 63   62 62 64 63   62 62 64 63
PWind dir        SW      SW    SW       S     S      SE     N       N     E
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 SC   SC SC SC SC   SC FW FW FW   SC SC FW SC   SC SC SC SC
PoP 12hr         30      40    20      10    10      10     5      20    10
Rain shwrs        C    C        S                                S  S
Tstms             C    C        S                                S  S

$$
IAZ049-231000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
620 PM CDT Tue May 22 2018

Date           05/22/18      Wed 05/23/18            Thu 05/24/18            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                      61          82          64          87          65
Temp             76 69 65 63 63 72 79 82 80 71 68 65 66 78 86 87 83 74 70 66 67
Dewpt            61 61 60 60 60 64 66 66 65 65 63 62 63 66 66 66 65 64 64 63 63
RH               60 76 84 90 90 76 64 58 60 81 84 90 90 67 51 50 55 71 81 90 87
Wind dir         SE SE SE SE SE SE SE  S SE SE SE SE  S  S  S  S  S  S  S  S  S
Wind spd          5  4  5  6  8  9 10 11  9  8  8  6  8 10 13 14 12  9  9  9  9
Clouds           SC B1 B2 B1 B2 B2 B1 SC SC FW SC SC SC FW SC SC SC SC SC B1 B1
PoP 12hr                     30          20           5          10          10
QPF 12hr                   0.06        0.03           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  C  S  S                                            S
Tstms                   S  C  S  S                                            S


Date           05/25  Sat 05/26/18  Sun 05/27/18  Mon 05/28/18  Tue 05/29/18
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          87      65    88      64    88      65    89      65    85
Temp          86 85   69 68 86 82   68 66 85 85   70 67 87 84   69 67 83 81
Dewpt         68 67   64 63 66 64   63 63 66 64   63 62 65 65   63 63 67 66
PWind dir        SW      SW    SW       S     S      SE     N      NE    NE
Wind char        GN      GN    LT      LT    LT      LT    LT      LT    GN
Avg clouds    B1 B1   B1 SC SC SC   SC SC SC SC   FW SC SC SC   SC SC SC SC
PoP 12hr         30      30    20      10    10      10    20      20    20
Rain shwrs     S  C    C  S     S                           S    S  S     S
Tstms          S  C    C  S     S                           S    S  S     S

$$
IAZ086-231000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
620 PM CDT Tue May 22 2018

Date           05/22/18      Wed 05/23/18            Thu 05/24/18            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                      63          84          65          87          65
Temp             79 71 67 64 64 75 82 84 82 72 68 66 66 79 85 87 84 73 70 66 68
Dewpt            62 62 61 60 61 65 66 66 66 65 64 63 62 66 67 67 66 64 64 61 63
RH               56 73 81 87 90 71 58 55 58 79 87 90 87 64 55 52 55 73 81 84 84
Wind dir         SE  E SE SE SE SE SE SE SE SE SE SE SE  S  S  S  S  S  S  S  S
Wind spd          4  5  5  5  6  8  8  9  8  6  6  5  6  9 11 11  9  8  8  6  8
Clouds           SC SC B1 SC B1 SC SC SC SC FW FW FW SC FW SC SC SC SC SC SC B1
PoP 12hr                     10          10           5          10           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    S
Tstms                                                                         S


Date           05/25  Sat 05/26/18  Sun 05/27/18  Mon 05/28/18  Tue 05/29/18
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      66    87      67    88      67    88      67    86
Temp          86 85   70 68 84 85   71 69 86 85   72 69 85 85   72 68 84 83
Dewpt         68 68   64 64 69 68   64 65 67 67   64 65 67 68   65 66 70 69
PWind dir        SW      SW    SW      SW     S      SE    NE       N    NE
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    B1 B1   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         30      20    20      10    20       5    20      20    20
Rain shwrs     S  C    S        S             S          S          S     S
Tstms          S  C    S        S             S          S          S     S

$$



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