Point Forecast Matrices
Issued by NWS Des Moines, IA

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FOUS53 KDMX 231338
PFMDMX

Point Forecast Matrices
National Weather Service Des Moines IA
737 AM CST Fri Feb 23 2018

IAZ060-232200-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
737 AM CST Fri Feb 23 2018

Date             Fri 02/23/18            Sat 02/24/18            Sun 02/25/18
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      36          23          38          24          41
Temp                30 33 36 30 27 23 25 26 30 35 38 38 34 28 26 24 27 38 41 35
Dewpt               25 26 26 24 22 21 21 23 26 29 31 31 28 24 22 20 22 24 25 24
RH                  81 75 67 78 81 92 84 88 85 78 76 76 78 85 85 84 81 57 52 64
Wind dir            NW NW NW  N NE NE NE  E  E  E  E  W  W  W  W  W  W SW  W SW
Wind spd             9  9  8  5  3  6  8  8 10 10  8  6 13 17 14 12 11 13 13  9
Wind gust                                               25 29 26          24
Clouds              FW SC SC SC B1 B1 B2 OV OV OV OV OV B2 B1 SC SC FW FW SC SC
PoP 12hr                      0          20          90          60           0
QPF 12hr                      0           0        0.21        0.08           0
Snow 12hr                 00-00       00-00       00-00
Frzg rain                                    L
Rain                                            D  D  L  C
Snow                                      C
Wind chill          22 25 29 24    15 16 18 22 28 32    25 16 14 12 17 29 33 29
Min chill              19    23    15    14    18    28    14    12    13    27


Date               Mon 02/26/18  Tue 02/27/18  Wed 02/28/18  Thu 03/01/18
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            22    48      31    52      31    46      29    42
Temp          25   22 45 44 33   33 50 47 32   35 44 44 34   30 41 38
Dewpt         22   18 25 27 25   26 33 35 28   29 32 32 29   25 27 24
PWind dir          SW    SW       S     S       N     N       N    NW
Wind char          LT    GN      LT    LT      LT    LT      GN    GN
Avg clouds    FW   FW FW FW FW   FW FW SC SC   B1 B1 B2 B2   B2 B1 B1
PoP 12hr            0     0       0     5      10    50      50    20
Rain                                                  C  C       S
Snow                                                     C    C  S

$$
IAZ039-232200-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
737 AM CST Fri Feb 23 2018

Date             Fri 02/23/18            Sat 02/24/18            Sun 02/25/18
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      33          18          37          24          36
Temp                29 30 33 27 22 19 19 21 26 33 37 37 35 31 27 24 25 32 36 31
Dewpt               27 26 27 24 22 19 19 21 24 28 30 32 32 28 23 21 21 24 26 24
RH                  92 85 78 88100100100100 92 82 75 82 89 88 85 88 84 72 67 75
Wind dir             W  W  W NW  N  N NE  E  E  E  E  E SW  W  W  W  W  W SW SW
Wind spd            12 11 10  5  5  4  8  8 11 12 13 10  9 18 18 14 13 14 13 10
Wind gust                                      23          33 29 26 24    25
Clouds              B1 SC SC SC SC SC B1 B2 OV OV OV OV OV B2 B1 B1 FW FW FW SC
PoP 12hr                      0           0          90          90           0
QPF 12hr                      0           0        0.18        0.21           0
Snow 12hr                 00-00       00-00           T
Frzg rain                                       D           S
Rain                                            D  D  D  C
Snow                                         C  S        S
Wind chill          19 20 25 20 14 12  9 11 15 24 28 30 28 20 14 11 13 22 27 23
Min chill              17    19    11     8    11    25    19    10    10    20


Date               Mon 02/26/18  Tue 02/27/18  Wed 02/28/18  Thu 03/01/18
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            19    42      27    46      28    44      27    39
Temp          22   19 39 39 31   28 44 42 30   30 43 41 31   28 38 35
Dewpt         20   17 26 27 25   24 32 33 27   27 33 33 28   25 28 26
PWind dir          SW    SW       S     S      NE    NE       N     N
Wind char          LT    GN      LT    LT      LT    LT      GN    GN
Avg clouds    FW   FW FW FW FW   FW SC SC SC   B1 B1 B2 B2   B2 B1 B1
PoP 12hr            0     0       0     5      10    30      50    40
Rain                                                  C  C       C  C
Snow                                                     C    C  C  C

$$
IAZ048-232200-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
737 AM CST Fri Feb 23 2018

Date             Fri 02/23/18            Sat 02/24/18            Sun 02/25/18
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      33          21          36          22          37
Temp                28 30 33 27 24 22 21 23 27 34 36 36 33 27 25 22 25 33 37 32
Dewpt               24 25 25 23 22 19 19 21 24 28 30 30 28 23 21 19 21 24 26 24
RH                  85 81 72 85 92 88 92 92 88 78 79 79 82 85 84 88 84 69 64 72
Wind dir            NW  W NW  N  N NE NE  E  E  E  E  W  W  W  W  W  W SW  W SW
Wind spd            10 10 10  5  5  6  9  9 10 11  9  5 12 17 16 13 12 13 12  9
Wind gust                                               23 32 28
Clouds              FW SC SC SC B1 SC B2 B2 OV OV OV OV B2 B1 SC SC FW FW FW SC
PoP 12hr                      0          10          90          70           0
QPF 12hr                      0           0        0.25        0.11           0
Snow 12hr                 00-00       00-00           T
Frzg rain                                    L  S
Rain                                            D  D  L  C
Snow                                      S  S        S
Wind chill          19 21 25 21 17 14 11 13 18 25 29    24 14 12 10 13 24 28 24
Min chill              19    20    12    11    12    26    13     9     9    23


Date               Mon 02/26/18  Tue 02/27/18  Wed 02/28/18  Thu 03/01/18
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            20    43      27    47      27    43      27    39
Temp          22   20 40 39 30   29 46 42 29   29 41 41 31   28 38 35
Dewpt         21   17 26 27 24   24 32 32 27   27 31 31 27   24 27 24
PWind dir          SW    SW       S    SE       N     N       N    NW
Wind char          LT    GN      LT    LT      LT    GN      GN    GN
Avg clouds    FW   FW FW FW FW   FW FW SC SC   B1 B1 B2 B2   B2 B1 B1
PoP 12hr            0     0       0     5      10    40      50    30
Rain                                                  C  C       C  S
Snow                                                     C    C  C

$$
IAZ004-232200-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
737 AM CST Fri Feb 23 2018

Date             Fri 02/23/18            Sat 02/24/18            Sun 02/25/18
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      27          11          27          18          29
Temp                19 24 27 22 14 11 13 13 17 23 27 26 25 22 20 18 20 26 29 24
Dewpt               18 21 22 20 14 11 13 12 17 21 24 24 23 19 18 16 17 20 23 20
RH                  96 88 81 92100100100 96100 92 88 92 92 88 92 92 88 78 78 84
Wind dir             W NW NW NW  N NE NE  E  E  E NE  N NW  W  W  W  W  W  W  W
Wind spd            11 11 10  5  4  4  5  8 10  9  9  8 11 18 17 16 16 17 16 12
Wind gust                                                  29 28
Clouds              SC B1 SC SC B1 B2 B2 B2 OV OV OV OV B2 B1 B1 SC FW FW SC FW
PoP 12hr                      0           0         100          70           0
QPF 12hr                      0           0        0.39        0.13           0
Snow 12hr                 00-00       00-00           5
Snow                                         L  D  D  L  C
Wind chill           7 13 17 15  7  4  4  2  5 13 18 18 14  7  6  3  6 13 17 12
Min chill               3    14     3     0     1    14     6     2     2    12
Winter Storm                                 A  A  A  A  A  A  A


Date               Mon 02/26/18  Tue 02/27/18  Wed 02/28/18  Thu 03/01/18
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            13    33      19    34      18    32      19    32
Temp          16   13 29 32 24   20 33 30 20   20 30 30 22   20 31 29
Dewpt         15   13 22 24 20   18 25 24 19   19 24 24 20   17 22 22
PWind dir          SW    SW      SW     N       N     N       N     N
Wind char          GN    GN      GN    LT      GN    GN      GN    GN
Avg clouds    FW   FW FW FW SC   SC SC B1 B1   B1 B1 B2 B2   B1 B1 B1
PoP 12hr            0     0       0     5       5    20      40    20
Snow                                                  S  C    C  S  S

$$
IAZ035-232200-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
737 AM CST Fri Feb 23 2018

Date             Fri 02/23/18            Sat 02/24/18            Sun 02/25/18
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      30          15          32          19          33
Temp                23 27 30 22 17 15 17 17 23 29 32 31 29 25 22 19 22 29 33 27
Dewpt               21 23 24 21 17 15 16 16 21 25 28 28 26 21 19 17 20 23 25 22
RH                  92 85 78 96100100 96 96 92 85 85 88 88 84 88 92 92 78 72 81
Wind dir             W NW NW NW  N NE NE  E  E  E  E  N  W  W  W  W  W SW  W SW
Wind spd            10 10  9  4  5  4  8  8 10 11  9  6 11 16 14 12 13 13 13 10
Wind gust                                                  31 28
Clouds              B1 SC SC SC B1 B1 B2 B2 OV OV OV OV B2 B2 B1 SC FW FW FW FW
PoP 12hr                      0           0         100          70           0
QPF 12hr                      0           0        0.31        0.12           0
Snow 12hr                 00-00       00-00           3
Frzg rain                                    C
Snow                                         L  D  D  L  C
Wind chill          12 17 21 16  9  7  7  6 12 19 24 24 19 12  9  6  9 18 23 18
Min chill               9    16     6     4     6    22    11     6     6    17
Winter Storm                                 A  A  A  A  A  A  A


Date               Mon 02/26/18  Tue 02/27/18  Wed 02/28/18  Thu 03/01/18
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            16    39      23    41      23    38      23    36
Temp          17   16 36 36 29   24 39 36 26   25 37 35 28   24 35 33
Dewpt         17   14 26 26 23   21 30 28 23   22 29 28 24   20 25 23
PWind dir          SW    SW       S     E       N    NE       N     N
Wind char          GN    GN      GN    LT      LT    GN      GN    GN
Avg clouds    FW   FW FW FW FW   FW SC SC SC   B1 B1 B2 B2   B2 B1 B1
PoP 12hr            0     0       0     5       5    30      50    20
Rain                                                  C  C          S
Snow                                                  C  C    C  S  S

$$
IAZ094-232200-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
737 AM CST Fri Feb 23 2018

Date             Fri 02/23/18            Sat 02/24/18            Sun 02/25/18
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      38          26          39          24          42
Temp                31 35 38 33 28 26 27 27 31 35 39 38 33 28 26 24 27 39 42 37
Dewpt               27 26 27 26 24 24 24 26 28 30 32 31 27 24 23 21 23 24 26 25
RH                  85 69 64 75 85 92 88 96 88 82 76 76 78 85 88 88 85 54 53 61
Wind dir            NW NW NW  N NE NE NE  E  E  E SE  W  W  W  W  W SW SW SW SW
Wind spd             8  8  6  5  6  9 11 10 11 11  8  9 14 17 13 10 10 12 13  9
Wind gust                                               27 28
Clouds              FW SC SC SC B1 B2 OV OV OV OV OV OV B2 SC SC FW FW FW SC SC
PoP 12hr                      0          50          80          40           0
QPF 12hr                      0        0.01        0.14        0.01           0
Snow 12hr                 00-00       00-00       00-00
Frzg rain                              S  C  L
Rain                                            D  D  C
Snow                                S  C                 S
Wind chill          24 28       21 17 16 17 21 27 33 32 23 16 14 14 18 31 35 31
Min chill              21    26    17    15    17    29    14    12    12    30


Date               Mon 02/26/18  Tue 02/27/18  Wed 02/28/18  Thu 03/01/18
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            24    50      32    55      34    49      30    44
Temp          27   24 47 46 34   35 53 52 37   35 47 47 36   31 43 40
Dewpt         23   20 25 27 26   27 35 37 33   33 34 34 30   25 27 24
PWind dir          SW    SW       S     S       W    NE      NW    NW
Wind char          LT    GN      GN    GN      LT    GN      GN    GN
Avg clouds    SC   FW CL FW FW   FW FW SC SC   SC B1 B2 B2   B2 B1 SC
PoP 12hr            0     0       0     5      10    60      40     5
Rain                                                  L  C
Snow                                                          S

$$
IAZ017-232200-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
737 AM CST Fri Feb 23 2018

Date             Fri 02/23/18            Sat 02/24/18            Sun 02/25/18
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      29          14          32          21          32
Temp                25 26 29 23 18 14 16 16 22 29 32 32 32 28 23 22 22 28 32 27
Dewpt               22 23 24 22 18 14 15 16 21 25 28 29 29 24 21 20 19 23 25 22
RH                  88 88 81 96100100 96100 96 85 85 88 88 85 92 92 88 81 75 81
Wind dir             W NW  W NW  N NE NE  E  E  E  E  E  W  W  W  W  W  W  W SW
Wind spd            12 12 11  6  5  5  8  8 11 12 12  6  9 18 18 17 14 14 14 11
Wind gust                                                  31 31 27    25
Clouds              B1 B1 SC SC B1 B1 B2 B2 B2 OV OV OV OV B2 B2 B1 FW FW FW SC
PoP 12hr                      0           0          90          90           0
QPF 12hr                      0           0        0.27        0.23           0
Snow 12hr                 00-00       00-00           3
Snow                                         C  D  D  D  C  S
Wind chill          13 15 20 15  9  5  5  5 10 19 23 26 24 15  9  8  9 16 22 17
Min chill              12    15     5     4     6    21    14     7     7    15
Winter Storm                                 A  A  A  A  A  A  A


Date               Mon 02/26/18  Tue 02/27/18  Wed 02/28/18  Thu 03/01/18
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            15    36      22    39      22    37      23    35
Temp          18   15 33 34 28   23 38 34 24   23 36 34 27   24 34 31
Dewpt         17   14 25 26 23   21 30 28 23   23 29 28 24   22 26 24
PWind dir          SW    SW      SW     E      NE    NE       N     N
Wind char          GN    GN      GN    LT      LT    GN      GN    GN
Avg clouds    FW   FW FW FW FW   SC SC SC SC   B1 B1 B2 B2   B2 B1 B1
PoP 12hr            0     0       0     5       5    20      50    30
Rain                                                  S             C
Snow                                                  S  C    C  C  C

$$
IAZ049-232200-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
737 AM CST Fri Feb 23 2018

Date             Fri 02/23/18            Sat 02/24/18            Sun 02/25/18
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      33          21          37          22          36
Temp                29 31 33 27 23 21 21 24 27 34 37 37 35 29 25 22 25 33 36 31
Dewpt               26 26 25 24 21 19 19 22 24 28 31 32 31 25 22 20 22 24 25 24
RH                  88 81 72 88 92 92 92 92 88 78 79 82 85 85 88 92 88 69 64 75
Wind dir            NW  W NW NW  N NE NE  E  E  E  E  E  W  W  W  W  W  W  W SW
Wind spd            11 11 10  5  5  6  9  9 11 12 12  8 11 19 18 14 13 13 13 10
Wind gust                                                  33 32       24 25
Clouds              SC SC SC SC SC SC B2 B2 OV OV OV OV OV B2 B1 SC FW FW FW SC
PoP 12hr                      0          10          90          80           0
QPF 12hr                      0           0        0.22        0.15           0
Snow 12hr                 00-00       00-00           T
Frzg rain                                    C  S
Rain                                            D  D  D  C
Snow                                      S  S
Wind chill          19 22 25 20 16 12 11 14 17 25 28 31 27 16 12  9 13 23 27 22
Min chill              18    19    12     9    14    26    15     9     9    21


Date               Mon 02/26/18  Tue 02/27/18  Wed 02/28/18  Thu 03/01/18
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            19    43      27    47      28    43      27    39
Temp          22   19 41 39 30   29 46 42 30   30 42 41 31   28 39 34
Dewpt         21   18 25 27 25   25 32 34 28   28 33 32 27   25 27 25
PWind dir          SW    SW       S     S      NE    NE       N    NW
Wind char          GN    GN      LT    LT      LT    GN      GN    GN
Avg clouds    FW   FW FW FW FW   FW FW SC SC   B1 B1 B2 B2   B2 B1 B1
PoP 12hr            0     0       0     5      10    40      50    30
Rain                                                  C  C       C  S
Snow                                                     C    C  C  S

$$
IAZ086-232200-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
737 AM CST Fri Feb 23 2018

Date             Fri 02/23/18            Sat 02/24/18            Sun 02/25/18
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      40          26          42          26          44
Temp                32 37 40 33 29 26 27 29 33 38 41 42 41 34 31 26 29 40 44 38
Dewpt               31 29 29 27 26 24 24 26 29 32 33 34 33 28 24 22 24 25 27 25
RH                  96 72 64 78 88 92 88 88 85 79 73 73 73 78 75 85 81 55 51 59
Wind dir            NW  W NW  N  N NE NE  E  E  E  E SE  W  W  W  W  W  W SW SW
Wind spd            11 10  9  5  4  8  9 10 11 12 12 10 14 19 17 13 12 13 13 10
Wind gust                                               25 33 29          24
Clouds              SC SC SC SC SC B1 B2 OV OV OV OV OV B2 B1 SC SC FW FW SC SC
PoP 12hr                      0          40          80          70           0
QPF 12hr                      0        0.01        0.13        0.09           0
Snow 12hr                 00-00           T           T
Frzg rain                                 C  S
Rain                                         L  D  L  L  C
Snow                                   S  S
Wind chill          23 30 34       18 18 19 24 30 34 35 33 22 19 15 19 32 37 32
Min chill              23    25    16    16    20    30    21    14    15    30


Date               Mon 02/26/18  Tue 02/27/18  Wed 02/28/18  Thu 03/01/18
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            25    51      32    56      35    52      32    45
Temp          29   26 48 45 35   35 54 50 38   36 50 49 38   32 44 41
Dewpt         23   20 26 27 26   28 37 38 34   34 38 36 32   28 30 27
PWind dir          SW    SW       S     S      SW    NE       N    NW
Wind char          LT    GN      GN    GN      LT    LT      GN    BZ
Avg clouds    SC   FW CL FW FW   FW FW SC SC   B1 B1 B2 B2   B2 B1 SC
PoP 12hr            0     0       0     5      10    50      70    30
Rain                                                  C  L    C  C
Snow                                                          C  C

$$



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