478  
FOUS53 KDMX 040627  
PFMDMX  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE DES MOINES IA  
127 AM CDT TUE AUG 4 2026  
 
IAZ060-050900-  
DES MOINES-POLK IA  
41.54N 93.65W ELEV. 924 FT  
127 AM CDT TUE AUG 4 2026  
 
DATE 08/03/26 TUE 08/04/26 WED 08/05/26 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 68 84 64 73 58  
TEMP 68 69 77 83 83 76 70 66 65 64 67 71 72 69 64 61 60 58  
DEWPT 64 64 67 69 70 67 66 65 64 63 63 64 65 63 63 61 60 58  
RH 87 84 71 63 65 74 87 97 97 97 87 79 79 81 97100100100  
WIND DIR S S SW N N N NE NE NE N NE NE NE NE NE NE N NE  
WIND SPD 5 4 4 5 9 11 8 6 5 5 5 6 6 5 3 2 2 1  
CLOUDS SC B1 B1 B2 B1 B2 B2 B2 OV OV B2 B2 OV SC SC SC SC SC  
POP 12HR 20 40 90 60 30  
QPF 12HR 0 0.03 1.44 0.49 0.05  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C C D D C S L L C C  
TSTMS S C C C D D C S L L  
 
DATE 08/06 FRI 08/07/26 SAT 08/08/26 SUN 08/09/26 MON 08/10/26  
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 81 62 86 67 90 73 91 72 91  
TEMP 78 78 64 63 83 83 70 68 87 87 76 73 88 88 76 73 88 87  
DEWPT 64 66 64 63 70 71 69 68 73 72 69 68 72 73 69 68 72 72  
PWIND DIR E SE S S S S S S S  
WIND CHAR LT LT LT LT LT GN GN GN GN  
AVG CLOUDS SC FW FW SC FW FW FW FW SC FW FW SC SC SC FW SC SC SC  
POP 12HR 0 5 5 10 5 10 5 30 10  
RAIN SHWRS S C  
TSTMS S S  
 
 
IAZ039-050900-  
WATERLOO/CEDAR FALLS-BLACK HAWK IA  
42.55N 92.40W ELEV. 865 FT  
127 AM CDT TUE AUG 4 2026  
 
DATE 08/03/26 TUE 08/04/26 WED 08/05/26 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 66 79 61 74 55  
TEMP 67 67 73 77 77 72 66 64 63 62 66 72 73 70 62 59 57 56  
DEWPT 64 65 68 70 69 66 65 63 62 61 61 61 61 61 60 58 57 56  
RH 90 93 84 79 76 81 97 97 97 97 84 68 66 73 93 96100100  
WIND DIR S SW SW NW NW N N N N N N N NE N N N N NE  
WIND SPD 8 6 6 6 9 9 6 5 4 3 4 4 4 4 1 1 1 1  
CLOUDS SC B2 B2 B2 B2 B2 B2 OV B2 B2 SC B1 B2 SC FW FW FW SC  
POP 12HR 20 50 70 30 20  
QPF 12HR 0 0.02 0.41 0.13 0.03  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C S C C C L L C C S S S  
TSTMS C S C C C L L C C S  
 
DATE 08/06 FRI 08/07/26 SAT 08/08/26 SUN 08/09/26 MON 08/10/26  
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 79 60 82 65 85 70 86 69 85  
TEMP 76 76 63 61 79 79 68 66 82 81 72 70 83 82 72 69 82 81  
DEWPT 62 64 62 61 69 70 67 66 73 73 69 68 75 74 69 67 74 73  
PWIND DIR E SE S S S S S SE S  
WIND CHAR LT LT LT LT LT GN GN LT GN  
AVG CLOUDS FW FW FW FW FW FW FW FW SC FW FW SC SC SC SC B1 B1 SC  
POP 12HR 0 0 5 10 10 30 20 40 20  
RAIN SHWRS S C S C C S  
TSTMS S S S S  
 
 
IAZ048-050900-  
AMES-STORY IA  
41.99N 93.62W ELEV. 936 FT  
127 AM CDT TUE AUG 4 2026  
 
DATE 08/03/26 TUE 08/04/26 WED 08/05/26 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 67 81 61 73 56  
TEMP 67 68 75 79 79 72 66 64 63 62 67 71 72 69 62 59 58 56  
DEWPT 65 65 68 70 69 66 66 64 63 62 63 62 63 62 62 59 58 56  
RH 93 90 79 74 72 81100100100100 87 73 73 78100100100100  
WIND DIR S S W N N N N NE N N N NE E NE E NE NE NE  
WIND SPD 4 4 4 8 10 10 6 4 4 3 5 5 5 3 1 1 1 1  
CLOUDS B1 B2 B2 B2 B2 B2 B2 OV OV B2 B1 B2 B2 SC FW FW SC SC  
POP 12HR 30 40 90 40 20  
QPF 12HR 0 0.13 0.76 0.26 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C S C C C D L C S S S S S  
TSTMS C S C C C D L C S S S  
 
DATE 08/06 FRI 08/07/26 SAT 08/08/26 SUN 08/09/26 MON 08/10/26  
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 80 61 84 66 88 71 88 70 88  
TEMP 77 76 64 62 81 81 69 67 85 84 74 71 86 85 73 70 85 84  
DEWPT 64 66 64 62 71 72 69 67 75 73 70 68 75 75 70 68 74 73  
PWIND DIR E SE S S S S S S S  
WIND CHAR LT LT LT LT LT GN GN LT GN  
AVG CLOUDS SC FW FW FW FW FW FW SC FW FW FW SC SC FW SC SC SC SC  
POP 12HR 0 0 10 10 5 20 10 30 20  
RAIN SHWRS S S C S  
TSTMS S S C S  
 
 
IAZ004-050900-  
ESTHERVILLE-EMMET IA  
43.40N 94.75W ELEV. 1315 FT  
127 AM CDT TUE AUG 4 2026  
 
DATE 08/03/26 TUE 08/04/26 WED 08/05/26 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 62 73 54 76 54  
TEMP 68 62 66 71 72 68 61 58 56 55 68 73 74 73 62 57 55 55  
DEWPT 65 59 59 59 59 59 59 57 54 53 56 53 53 54 55 55 53 53  
RH 90 90 78 66 64 73 93 96 93 93 65 49 48 51 78 93 93 93  
WIND DIR NW N N N N NW NW NW NW NW NE E E SE S S SW SW  
WIND SPD 11 12 13 11 8 4 3 3 2 1 2 3 3 3 5 5 5 5  
CLOUDS OV B2 B1 B1 B2 B2 B2 SC SC FW SC SC FW CL CL CL FW FW  
POP 12HR 50 40 20 0 0  
QPF 12HR 0.11 0.15 0.03 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C S  
TSTMS C C C C C S  
 
DATE 08/06 FRI 08/07/26 SAT 08/08/26 SUN 08/09/26 MON 08/10/26  
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 81 61 85 64 86 67 85 66 84  
TEMP 78 78 65 61 82 82 68 65 83 84 71 68 82 83 70 67 81 81  
DEWPT 57 59 61 61 67 68 65 64 67 69 67 65 69 70 67 64 68 71  
PWIND DIR S S S S S SE E E E  
WIND CHAR GN GN GN GN GN BZ GN GN GN  
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC SC B2 SC  
POP 12HR 0 0 10 20 10 30 5 30 20  
RAIN SHWRS S S C S C S  
TSTMS S S S S S S  
 
 
IAZ035-050900-  
FORT DODGE-WEBSTER IA  
42.55N 94.18W ELEV. 1165 FT  
127 AM CDT TUE AUG 4 2026  
 
DATE 08/03/26 TUE 08/04/26 WED 08/05/26 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 66 77 57 76 53  
TEMP 69 67 71 74 76 69 63 61 59 59 68 74 75 70 61 57 55 54  
DEWPT 66 66 66 65 65 64 63 61 59 58 60 58 59 59 59 57 55 54  
RH 90 97 84 74 69 84100100100 96 76 57 58 68 93100100100  
WIND DIR S SW N N N N N N N NE NE NE NE E E SE S S  
WIND SPD 6 4 9 9 8 5 3 2 2 1 3 2 2 2 1 0 0 0  
CLOUDS B2 OV B2 B2 B2 B2 OV B2 B2 SC B1 B2 B1 FW FW FW FW SC  
POP 12HR 50 70 50 5 0  
QPF 12HR 0.02 0.25 0.10 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C S C L C C C S  
TSTMS C C S C L C C C S  
 
DATE 08/06 FRI 08/07/26 SAT 08/08/26 SUN 08/09/26 MON 08/10/26  
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 81 60 85 65 89 68 88 68 87  
TEMP 78 76 62 61 82 81 69 65 85 84 73 69 85 85 72 69 84 83  
DEWPT 62 64 62 61 71 71 68 65 73 72 69 67 73 73 69 66 72 73  
PWIND DIR S S S S S S SE SE SE  
WIND CHAR LT LT LT LT LT GN GN LT GN  
AVG CLOUDS FW FW FW SC FW FW FW SC SC FW FW SC SC FW SC SC B1 SC  
POP 12HR 0 0 5 20 5 20 10 30 20  
RAIN SHWRS S S S S C S  
TSTMS S S S S S S  
 
 
IAZ094-050900-  
LAMONI-DECATUR IA  
40.63N 93.90W ELEV. 1125 FT  
127 AM CDT TUE AUG 4 2026  
 
DATE 08/03/26 TUE 08/04/26 WED 08/05/26 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 66 88 65 76 61  
TEMP 67 66 78 85 87 82 73 69 66 65 68 73 74 70 65 64 63 61  
DEWPT 65 64 65 67 67 68 68 67 66 64 66 67 67 66 65 64 63 61  
RH 93 93 64 55 52 63 84 93100 97 93 81 79 87100100100100  
WIND DIR S S S S SE N NE N NE NE NE NE NE NE NE NE NE NE  
WIND SPD 6 5 5 4 4 6 9 8 9 9 8 6 8 10 8 5 4 4  
CLOUDS SC B1 B1 B1 SC B2 B1 B1 B2 B2 OV OV B2 B1 B1 B1 B1 B1  
POP 12HR 5 20 60 80 50  
QPF 12HR 0 0.04 0.50 0.51 0.11  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C S C L C C D L C C C C  
TSTMS C S C L C C D L S C C S  
 
DATE 08/06 FRI 08/07/26 SAT 08/08/26 SUN 08/09/26 MON 08/10/26  
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 81 63 86 67 89 72 91 72 92  
TEMP 77 79 65 63 83 84 70 68 87 87 76 73 89 89 76 73 89 89  
DEWPT 65 64 65 63 69 69 69 68 71 69 69 68 71 70 69 67 70 68  
PWIND DIR E E S S S S SW S SW  
WIND CHAR LT LT LT LT GN GN GN GN GN  
AVG CLOUDS SC FW FW SC SC FW FW FW FW FW FW FW SC SC FW SC SC SC  
POP 12HR 0 5 5 10 5 10 0 10 5  
 
 
IAZ017-050900-  
MASON CITY-CERRO GORDO IA  
43.16N 93.33W ELEV. 1189 FT  
127 AM CDT TUE AUG 4 2026  
 
DATE 08/03/26 TUE 08/04/26 WED 08/05/26 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 64 73 56 73 53  
TEMP 67 67 68 71 73 67 63 60 58 57 66 72 72 69 61 57 55 54  
DEWPT 65 66 65 65 64 62 61 59 57 56 58 57 57 58 57 55 54 54  
RH 93 97 90 81 73 84 93 96 96 96 75 59 59 68 87 93 96100  
WIND DIR SW SW N N N NW NW NW N N N N N NE SE S SW SW  
WIND SPD 9 6 9 9 6 5 3 2 2 1 2 3 2 2 1 1 1 1  
CLOUDS B2 OV B2 B2 B2 B2 OV B2 B1 SC SC B1 B1 FW CL CL FW FW  
POP 12HR 50 50 50 0 0  
QPF 12HR 0.02 0.10 0.13 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C C C  
TSTMS C C C C C C C  
 
DATE 08/06 FRI 08/07/26 SAT 08/08/26 SUN 08/09/26 MON 08/10/26  
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 78 59 82 64 85 68 85 66 83  
TEMP 75 74 63 60 79 78 68 64 82 81 72 68 82 81 70 67 81 80  
DEWPT 60 63 61 60 69 70 67 64 71 72 69 67 72 72 68 66 71 72  
PWIND DIR S S S S S SW SE SE SE  
WIND CHAR LT LT GN LT LT GN GN LT GN  
AVG CLOUDS FW FW FW SC FW FW FW FW FW FW FW SC SC SC SC SC B1 B1  
POP 12HR 0 0 10 20 10 30 10 30 20  
RAIN SHWRS S S C C S C S  
TSTMS S S S S S S  
 
 
IAZ049-050900-  
MARSHALLTOWN-MARSHALL IA  
42.11N 92.91W ELEV. 972 FT  
127 AM CDT TUE AUG 4 2026  
 
DATE 08/03/26 TUE 08/04/26 WED 08/05/26 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 64 81 60 74 54  
TEMP 66 66 74 78 79 72 66 63 62 60 66 70 72 69 61 58 56 55  
DEWPT 63 64 68 70 70 66 65 63 62 60 62 62 62 62 60 58 56 55  
RH 90 93 82 76 74 81 97100100100 87 76 71 78 97100100100  
WIND DIR S S W NW N N N N N N NE NE NE NE NE N N NE  
WIND SPD 6 5 5 5 8 9 6 5 4 3 4 3 3 3 1 1 2 1  
CLOUDS SC B1 B2 B2 B2 B2 OV OV OV OV B2 B2 B2 FW FW FW FW FW  
POP 12HR 30 40 80 50 20  
QPF 12HR 0 0.07 0.76 0.24 0.03  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C S C C C D L C S S C S S  
TSTMS C S C C C D L C S S C  
 
DATE 08/06 FRI 08/07/26 SAT 08/08/26 SUN 08/09/26 MON 08/10/26  
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 80 59 83 65 86 70 87 69 87  
TEMP 76 75 62 60 80 78 67 66 83 82 73 70 83 83 72 69 82 81  
DEWPT 63 65 62 60 70 71 66 66 74 73 68 68 75 75 69 67 74 73  
PWIND DIR E SE S S S S S S S  
WIND CHAR LT LT LT LT LT GN GN LT GN  
AVG CLOUDS FW FW FW FW FW FW FW SC FW FW FW SC SC SC SC SC B1 SC  
POP 12HR 0 0 5 10 5 20 10 30 20  
RAIN SHWRS S C C S  
TSTMS S C C S  
 
 
IAZ086-050900-  
OTTUMWA-WAPELLO IA  
41.11N 92.45W ELEV. 836 FT  
127 AM CDT TUE AUG 4 2026  
 
DATE 08/03/26 TUE 08/04/26 WED 08/05/26 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 65 89 66 78 61  
TEMP 66 67 78 86 88 83 73 70 67 66 70 75 76 71 66 64 63 62  
DEWPT 64 65 68 69 70 72 71 69 67 66 67 68 69 68 66 64 63 62  
RH 93 93 71 57 55 70 93 97100100 90 79 79 90100100100100  
WIND DIR S S SW SW N NE NE N N NE NE N N N NE NE NE NE  
WIND SPD 6 6 6 4 4 6 6 5 6 6 5 4 5 8 5 3 4 3  
CLOUDS SC SC SC B1 B1 B1 B2 B2 OV OV OV B2 OV B2 B1 B1 B1 SC  
POP 12HR 0 30 80 90 60  
QPF 12HR 0 0.19 1.10 0.48 0.29  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C S C D L S C D L L C C  
TSTMS S C S C D L S C D C S S  
HEAT INDEX 91 93 88  
MAX HEAT 92 94  
 
DATE 08/06 FRI 08/07/26 SAT 08/08/26 SUN 08/09/26 MON 08/10/26  
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 82 61 86 66 90 72 91 71 91  
TEMP 78 78 64 63 82 82 69 67 86 85 75 72 87 87 75 72 87 86  
DEWPT 67 68 64 63 70 71 69 67 73 73 71 69 74 75 71 69 74 73  
PWIND DIR NE E S S S S SW S SW  
WIND CHAR LT LT LT LT LT GN GN GN GN  
AVG CLOUDS SC FW FW FW SC FW FW FW FW FW FW FW FW SC FW SC SC SC  
POP 12HR 0 0 5 20 10 10 5 30 10  
RAIN SHWRS S C  
TSTMS S S  
 
 
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