Point Forecast Matrices
Issued by NWS Des Moines, IA

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
000
FOUS53 KDMX 200823
PFMDMX

Point Forecast Matrices
National Weather Service Des Moines IA
223 AM CST Tue Feb 20 2018

IAZ060-211000-
Des Moines-Polk IA
41.54N  93.65W Elev. 924 ft
223 AM CST Tue Feb 20 2018

Date           02/19/18      Tue 02/20/18            Wed 02/21/18            Thu
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      27          29          12          28          17
Temp                      28 28 27 28 27 24 21 17 14 12 15 23 28 25 20 18 17 18
Dewpt                     26 25 23 22 20 15 13 10  8  6  7  8 11 10 13 11 11 12
RH                        92 88 85 78 74 68 71 73 76 76 70 52 48 52 74 73 77 77
Wind dir                   W NW NW NW NW NW NW NW  N  N  N  N  N NE NE NE NE  E
Wind spd                   5  8  9 13 16 17 13 12 10 10  8  8  8  6  6  6  5  5
Wind gust                                      23
Clouds                    OV OV OV OV OV B1 B1 SC FW SC FW FW FW SC SC B1 B1 B2
PoP 12hr                     90          60           0           0          20
QPF 12hr                   0.08        0.03           0           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle
Frzg drzl                     C  C
Frzg rain                  D
Snow                                                                    S  S  S
Obvis                        PF PF
Wind chill                   20 18 17 15 10  9  4  1 -1  4 14 20 17 12 10  9 10
Min chill                    19    17     9     2    -1     0    15     9     9
Winter Weath               Y  Y  Y


Date           02/22/18  Fri 02/23/18  Sat 02/24/18  Sun 02/25/18  Mon 02/26/18
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          34      27    39      23    41      24    44      25    45
Temp          31 33 32   28 39 34 27   24 39 38 30   25 42 40 28   28 43 41
Dewpt         18 25 27   25 28 26 22   20 27 28 26   21 26 27 22   22 27 27
PWind dir         E       E    NW       N    NE      NW     W      SW     W
Wind char        GN      LT    LT      LT    LT      GN    GN      LT    GN
Avg clouds    B2 B2 OV   B2 B1 B1 B1   SC B1 B2 B2   B1 SC SC SC   SC SC FW
PoP 12hr         30      60    10      10    40      60     5       5    10
Frzg rain            S
Rain              C                           C  L
Snow           S  C  L    L                      L

$$
IAZ039-211000-
Waterloo/Cedar Falls-Black Hawk IA
42.55N  92.40W Elev. 865 ft
223 AM CST Tue Feb 20 2018

Date           02/19/18      Tue 02/20/18            Wed 02/21/18            Thu
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      30          30          10          24          13
Temp                      30 29 29 28 28 22 19 14 12 10 13 20 24 19 15 13 13 13
Dewpt                     30 27 27 24 22 18 14 10  8  6  7  9 11 10 11 10 11 11
RH                       100 92 92 85 78 84 80 84 84 83 76 62 57 67 84 87 91 91
Wind dir                  SW NW NW NW NW NW NW NW NW NW  N  N  N  N NE NE NE  E
Wind spd                   4  5  6 11 14 17 14 13 11 10  9  8  8  6  5  5  5  5
Wind gust                                      25
Clouds                    OV OV OV OV OV B2 B1 B1 SC SC FW FW FW SC SC B1 SC B1
PoP 12hr                     90          70           5           0          10
QPF 12hr                   0.10        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle
Frzg drzl                     L  C
Frzg rain                  D
Snow                                                                          S
Obvis                         F  F PF
Wind chill                   23 22 18 16  8  5 -1 -3 -5  1 10 15 10  6  4  4  4
Min chill                    23    18     8    -2    -6    -5     9     4     3
Dense Fog                  Y
Winter Weath               Y  Y  Y


Date           02/22/18  Fri 02/23/18  Sat 02/24/18  Sun 02/25/18  Mon 02/26/18
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          32      25    36      19    38      22    39      21    38
Temp          27 28 27   26 36 32 24   20 35 36 29   22 37 35 25   22 36 34
Dewpt         17 24 26   25 29 25 20   19 27 27 25   21 25 26 20   19 25 26
PWind dir         E       E    NW       N    NE       N     W      SW     W
Wind char        GN      GN    LT      LT    LT      LT    GN      GN    GN
Avg clouds    B1 B2 B2   B2 B2 B1 B1   SC B1 B1 B2   B1 SC SC SC   SC SC SC
PoP 12hr         40      60    20      10    20      60     5       5     5
Frzg rain            S
Rain                                          S  L
Snow           S  C  L    L  S                S  L    S

$$
IAZ048-211000-
Ames-Story IA
41.99N  93.62W Elev. 936 ft
223 AM CST Tue Feb 20 2018

Date           02/19/18      Tue 02/20/18            Wed 02/21/18            Thu
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      26          26           9          26          15
Temp                      28 25 25 25 23 22 18 14 12  9 12 21 26 22 17 16 15 16
Dewpt                     26 22 21 20 18 15 12  9  7  4  6  7 11 10 12 10 10 12
RH                        92 88 84 81 81 74 77 80 80 80 76 54 52 59 80 77 80 84
Wind dir                   W NW NW NW NW NW NW NW NW NW  N  N  N NE NE NE NE  E
Wind spd                   5  9 11 16 18 17 13 13 11 11  8  6  8  6  6  6  6  6
Wind gust                                      24
Clouds                    OV OV OV OV OV B1 B1 SC FW SC FW FW FW SC SC B1 SC B2
PoP 12hr                     90          40           0           0          20
QPF 12hr                   0.10        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle
Frzg drzl                     C  S
Frzg rain                  D
Snow                                                                    S  S  S
Obvis                        PF PF
Wind chill                22 17 15 12  8  8  4 -1 -3 -6  0 12 17 13  8  6  5  6
Min chill                    16    12     7    -2    -7    -6    12     5     5
Winter Weath               Y  Y  Y


Date           02/22/18  Fri 02/23/18  Sat 02/24/18  Sun 02/25/18  Mon 02/26/18
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          32      25    36      20    38      23    41      23    41
Temp          29 29 29   25 36 31 24   21 36 36 29   23 39 38 27   25 39 38
Dewpt         17 24 27   24 28 24 20   18 26 27 25   20 26 26 21   21 26 27
PWind dir         E       E    NW       N    NE      NW     W      SW     W
Wind char        GN      LT    LT      LT    LT      GN    GN      GN    GN
Avg clouds    B1 B2 OV   B2 B1 B1 B1   SC B1 B2 B2   B1 SC SC SC   SC SC SC
PoP 12hr         30      60    10      10    30      50     5       5    10
Rain                                          C  C
Snow           S  C  L    L                   C  C

$$
IAZ004-211000-
Estherville-Emmet IA
43.40N  94.75W Elev. 1315 ft
223 AM CST Tue Feb 20 2018

Date           02/19/18      Tue 02/20/18            Wed 02/21/18            Thu
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      16          16          -1          19           3
Temp                      18 16 14 15 14 13  8  3  0 -1  3 14 19 12  5  4  3  5
Dewpt                     17 13 11 12 11  8  5  1  0 -3 -1  4  7  4  3  1  2  3
RH                        96 88 88 88 88 80 87 91100 91 83 64 59 70 91 87 95 91
Wind dir                  NW  N NW NW NW NW NW NW NW  W  W  W  W  E SE SE SE  E
Wind spd                  10 11 13 18 19 14 12 11  8  9  5  5  4  4  3  4  3  5
Wind gust                             29
Clouds                    OV OV OV B2 OV SC SC FW FW FW FW FW FW FW FW SC SC B1
PoP 12hr                    100          30           0           0           0
QPF 12hr                   0.07           0           0           0           0
Snow 12hr                     T       00-00       00-00
Frzg drzl                     S
Frzg rain                  C
Snow                       D  C
Obvis                        PF PF
Wind chill                 6  3 -1 -2 -3 -3 -8-12-14-16 -8  5 12  4 -2 -6 -5 -7
Min chill                     3    -3    -5   -13   -16   -15     4    -6    -8
Winter Weath               Y  Y  Y


Date           02/22/18  Fri 02/23/18  Sat 02/24/18  Sun 02/25/18  Mon 02/26/18
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          25      18    28      13    31      16    33      17    32
Temp          21 23 21   18 27 25 16   15 28 30 21   17 31 30 22   18 31 28
Dewpt         12 19 19   18 20 19 14   14 21 22 18   15 21 21 16   16 21 21
PWind dir         E      SE    NW       W    SW       W    SW       W    NW
Wind char        GN      LT    GN      LT    LT      LT    GN      GN    GN
Avg clouds    B1 B2 B2   B2 B1 SC SC   B1 B1 B2 B1   SC SC SC SC   SC SC SC
PoP 12hr         60      80    10       5    50      20     5       5    10
Snow              L  D    C                   C  S                     S

$$
IAZ035-211000-
Fort Dodge-Webster IA
42.55N  94.18W Elev. 1165 ft
223 AM CST Tue Feb 20 2018

Date           02/19/18      Tue 02/20/18            Wed 02/21/18            Thu
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      24          23           4          22           9
Temp                      24 21 20 21 20 17 13 10  6  4  9 17 22 18 11 12  9 12
Dewpt                     21 18 17 17 15 11  9  6  4  1  4  7 10  8  8  7  7  8
RH                        88 88 88 84 81 77 84 83 91 87 80 64 59 64 87 80 91 84
Wind dir                  NW NW NW NW NW NW NW NW NW NW NW  N  N NE  E  E  E  E
Wind spd                   8 10 11 16 17 16 11 10  9  8  5  5  5  4  4  4  4  5
Clouds                    OV OV OV B2 OV B1 SC SC FW FW FW FW FW FW FW B1 SC B1
PoP 12hr                     90          30           0           0          10
QPF 12hr                   0.08           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Frzg drzl                     C
Frzg rain                  D
Snow                                                                          S
Obvis                        PF
Wind chill                15 10  8  7  5  2 -1 -4 -8 -9 -2  9 15 11  3  4  1  3
Min chill                    10     7     1    -4    -9    -8    10     2     0
Winter Weath               Y  Y  Y


Date           02/22/18  Fri 02/23/18  Sat 02/24/18  Sun 02/25/18  Mon 02/26/18
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          29      22    32      16    34      20    37      20    37
Temp          26 27 27   22 32 26 19   17 32 32 26   21 35 34 25   21 36 34
Dewpt         16 23 23   22 25 21 17   16 24 25 21   17 24 23 19   18 25 25
PWind dir         E       S    NW       N     E      NW    SW      SW     W
Wind char        GN      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    B1 B2 OV   B2 B1 B1 SC   SC B1 B2 B1   SC SC SC SC   SC SC SC
PoP 12hr         50      80    10       5    40      40     5       5    10
Frzg rain         S
Snow           S  C  D    C                   C  C

$$
IAZ094-211000-
Lamoni-Decatur IA
40.63N  93.90W Elev. 1125 ft
223 AM CST Tue Feb 20 2018

Date           02/19/18      Tue 02/20/18            Wed 02/21/18            Thu
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      28          31          13          30          20
Temp                      30 30 30 30 30 26 21 18 16 13 17 25 30 25 22 21 20 20
Dewpt                     28 27 27 25 23 18 14 10  9  7  8  8 11  9 12 11 13 14
RH                        92 88 88 81 75 71 74 70 73 76 67 48 44 50 65 65 74 77
Wind dir                   W  N  N NW NW NW  N  N  N  N  N  N NE NE NE NE NE NE
Wind spd                   4  6 10 13 14 16 14 14 13 12 11 10 10  9  9  9  9  9
Clouds                    OV OV OV OV B2 B1 B1 SC SC SC FW FW SC B1 B1 B2 B2 OV
PoP 12hr                     90          70           5           0          20
QPF 12hr                   0.11        0.06           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Drizzle
Frzg drzl                           S
Frzg rain                  D  L  C
Snow                                                                    S  S  C
Obvis                        PF PF
Wind chill                   23 22 19 19 13  8  3  2 -1  4 15 21 16 12 10 10 10
Min chill                    22    18    13     2    -2    -1    14     9     9
Winter Weath               Y  Y  Y


Date           02/22/18  Fri 02/23/18  Sat 02/24/18  Sun 02/25/18  Mon 02/26/18
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          35      28    42      25    43      25    46      27    47
Temp          30 33 31   29 41 38 30   26 41 39 32   26 43 44 31   29 45 43
Dewpt         20 26 28   27 30 28 25   23 28 30 27   22 28 26 24   22 28 27
PWind dir         E       E     N       N    NE      NW     W      SW    SW
Wind char        GN      LT    LT      LT    GN      GN    GN      GN    GN
Avg clouds    B2 B2 OV   B2 B1 B1 B1   B1 B1 B2 B2   B1 SC SC SC   FW FW FW
PoP 12hr         30      60    10      10    60      70     5       5     5
Frzg rain         S  C
Rain              S                           L  L
Snow           C  S  C    L                      L

$$
IAZ017-211000-
Mason City-Cerro Gordo IA
43.16N  93.33W Elev. 1189 ft
223 AM CST Tue Feb 20 2018

Date           02/19/18      Tue 02/20/18            Wed 02/21/18            Thu
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      21          22           5          21           7
Temp                      25 23 21 21 20 17 13 10  7  5  8 18 21 16  9  8  8  8
Dewpt                     24 20 19 18 16 13  9  6  5  2  4  6  9  7  7  5  6  6
RH                        96 88 92 88 84 84 84 83 91 87 83 59 59 67 91 87 91 91
Wind dir                   N NW NW NW NW NW NW NW NW NW NW NW NW  N NE NE  E  E
Wind spd                   5 10 11 14 18 17 13 13 11 10  6  5  5  4  3  4  4  5
Wind gust                             29    25
Clouds                    OV OV OV OV OV B1 SC SC FW SC FW FW FW FW FW SC SC B1
PoP 12hr                    100          40           0           0           5
QPF 12hr                   0.07           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Frzg drzl                     C
Frzg rain                  D
Snow                                                                          S
Obvis                        PF PF
Wind chill                18 12  9  8  5  1 -2 -6 -8-10 -3 10 13  9  1  0 -1 -2
Min chill                    11     7     1    -7   -10    -9     6    -2    -3
Winter Weath               Y  Y  Y


Date           02/22/18  Fri 02/23/18  Sat 02/24/18  Sun 02/25/18  Mon 02/26/18
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          28      22    32      16    33      19    35      18    34
Temp          25 25 25   23 32 25 18   17 31 32 25   20 33 32 21   20 33 31
Dewpt         15 22 23   23 26 21 17   16 23 24 22   17 23 23 17   17 23 23
PWind dir         E      SE    NW      NW     E      NW     W      SW    NW
Wind char        GN      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    B1 B2 B2   B2 B1 B1 SC   SC B1 B2 B2   B1 SC SC SC   SC SC SC
PoP 12hr         60      80    10      10    30      50     5       5     5
Snow           S  L  D    C                   C  C

$$
IAZ049-211000-
Marshalltown-Marshall IA
42.11N  92.91W Elev. 972 ft
223 AM CST Tue Feb 20 2018

Date           02/19/18      Tue 02/20/18            Wed 02/21/18            Thu
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      28          28           9          24          15
Temp                      29 28 27 26 24 21 17 14 12  9 13 20 24 20 16 15 15 16
Dewpt                     29 26 25 23 20 17 13  9  8  5  7  9 12 10 11 10 11 12
RH                       100 92 92 88 84 84 84 80 84 83 76 62 60 64 80 80 84 84
Wind dir                  SW NW NW NW NW NW NW NW NW NW  N  N  N NE NE NE NE  E
Wind spd                   3  8 10 14 16 18 14 13 12 11 10  8  8  6  6  6  6  6
Wind gust                                      24
Clouds                    OV OV OV OV OV B2 B1 SC SC SC FW FW FW SC SC B1 B1 B2
PoP 12hr                    100          60           0           0          20
QPF 12hr                   0.08        0.02           0           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle
Frzg drzl                     L  C
Frzg rain                  D
Snow                                                                    S  S  S
Obvis                        PF PF
Wind chill                   20 17 14 11  6  3 -1 -3 -6  0 10 15 11  7  5  5  6
Min chill                    20    14     6    -1    -6    -6    10     4     4
Winter Weath               Y  Y  Y


Date           02/22/18  Fri 02/23/18  Sat 02/24/18  Sun 02/25/18  Mon 02/26/18
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          32      25    36      19    38      22    39      21    39
Temp          29 29 29   25 36 32 23   20 36 35 28   23 38 36 25   22 37 35
Dewpt         17 25 27   25 29 26 20   19 26 28 25   20 26 26 21   20 26 26
PWind dir         E       E    NW       N    NE       N     W      SW     W
Wind char        GN      LT    LT      LT    LT      GN    GN      GN    GN
Avg clouds    B1 B2 OV   B2 B1 B1 B1   SC B1 B2 B2   B1 SC SC SC   SC SC SC
PoP 12hr         30      60    10      10    30      60     5       5     5
Rain                                          C
Snow           S  C  L    L                   C  L

$$
IAZ086-211000-
Ottumwa-Wapello IA
41.11N  92.45W Elev. 836 ft
223 AM CST Tue Feb 20 2018

Date           02/19/18      Tue 02/20/18            Wed 02/21/18            Thu
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      32          34          15          30          20
Temp                      32 33 33 33 32 29 25 21 17 15 19 25 30 25 22 20 20 21
Dewpt                     30 31 31 31 29 25 19 14 11  9 10 11 13 12 15 13 15 15
RH                        92 92 92 92 88 85 78 74 77 77 67 55 49 57 74 74 81 77
Wind dir                  SW NW NW NW NW NW NW NW NW  N  N  N  N NE NE NE NE NE
Wind spd                   3  6  8 11 16 17 16 16 13 13 11 11 10  9  8  8  9  9
Clouds                    OV OV OV OV OV B2 B2 B1 SC SC FW SC SC B1 B1 B2 B1 B2
PoP 12hr                     90          90          10           5          20
QPF 12hr                   0.11        0.20           0           0           0
Snow 12hr                 00-00       00-00       00-00
Drizzle                             C
Frzg drzl                           C  C
Frzg rain                  D
Rain                          D  L
Snow                                                                    S  S  C
Tstms                      S
Obvis                        PF PF PF PF
Wind chill                   27 26 24 21 17 12  7  3  0  6 15 21 16 13 10 10 10
Min chill                    27    23    17     6     0     1    13     9     9


Date           02/22/18  Fri 02/23/18  Sat 02/24/18  Sun 02/25/18  Mon 02/26/18
CST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          36      30    42      26    43      26    44      26    45
Temp          32 35 34   31 42 37 30   27 41 42 35   26 42 41 30   28 44 42
Dewpt         21 27 30   29 32 28 26   24 29 32 30   24 28 27 25   23 28 28
PWind dir         E       E    NW       N    NE      NW     W      SW     W
Wind char        GN      LT    LT      LT    GN      GN    GN      LT    GN
Avg clouds    B2 B2 OV   OV B2 B1 B1   B1 B1 B2 B2   B1 SC SC SC   SC SC FW
PoP 12hr         30      60    10      20    40      80    10       5     5
Rain              S  L             S          C  D    C
Snow           C  S  L    L        S    S             C

$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.