275  
FOUS53 KDMX 080853  
PFMDMX  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE DES MOINES IA  
352 AM CDT FRI MAY 8 2026  
 
IAZ060-082100-  
DES MOINES-POLK IA  
41.54N 93.65W ELEV. 924 FT  
352 AM CDT FRI MAY 8 2026  
 
DATE FRI 05/08/26 SAT 05/09/26 SUN 05/10/26  
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 74 49 77 48 68  
TEMP 49 47 59 69 73 73 62 56 52 51 67 75 77 73 62 56 50 48 57 64 67 68  
DEWPT 32 34 39 38 36 38 41 39 38 38 43 42 41 40 38 35 33 33 34 32 32 32  
RH 52 60 47 32 26 28 46 53 59 61 42 31 28 30 41 45 52 56 42 30 27 26  
WIND DIR E SE SW NW W SW SW W W W W NW N N N N N N N N NW NW  
WIND SPD 5 2 3 4 6 5 6 8 6 6 8 11 12 9 9 8 5 4 5 9 11 6  
CLOUDS SC B1 B1 SC SC FW FW CL FW CL SC SC SC B2 B2 B1 SC FW FW FW FW SC  
POP 12HR 10 5 0 5 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
SPRINKLES C  
 
DATE MON 05/11/26 TUE 05/12/26 WED 05/13/26 THU 05/14/26  
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 43 73 54 81 50 76 52 81  
TEMP 50 44 67 71 59 56 78 77 57 51 72 74 58 54 77 79  
DEWPT 33 34 38 40 42 47 48 43 42 42 43 42 43 45 50 51  
PWIND DIR NE SE S W NW N SE S  
WIND CHAR LT LT GN BZ LT LT LT GN  
AVG CLOUDS SC FW FW SC SC B1 SC SC FW CL FW FW FW SC SC B1  
POP 12HR 0 0 50 5 0 0 10 30  
RAIN SHWRS C S C  
TSTMS S S  
 

 
IAZ039-082100-  
WATERLOO/CEDAR FALLS-BLACK HAWK IA  
42.55N 92.40W ELEV. 865 FT  
352 AM CDT FRI MAY 8 2026  
 
DATE FRI 05/08/26 SAT 05/09/26 SUN 05/10/26  
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 72 45 70 40 63  
TEMP 39 41 57 69 71 69 58 52 48 48 62 69 69 64 54 49 43 41 55 61 63 61  
DEWPT 28 30 35 33 31 35 39 38 37 38 41 42 39 38 35 32 30 31 33 32 31 32  
RH 64 65 43 26 23 28 49 59 65 68 46 37 33 38 48 52 60 67 43 33 30 33  
WIND DIR E SE SW W W W SW W W W W NW NW N N N N N N NW NW N  
WIND SPD 3 3 4 8 10 8 5 5 5 5 9 14 16 12 8 8 5 5 8 13 14 11  
CLOUDS SC SC SC FW FW SC B1 FW CL SC SC SC FW B1 SC SC FW FW CL FW FW FW  
POP 12HR 0 10 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
 
DATE MON 05/11/26 TUE 05/12/26 WED 05/13/26 THU 05/14/26  
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 38 67 47 73 44 71 47 76  
TEMP 44 39 64 65 52 48 70 67 51 46 68 69 53 49 72 72  
DEWPT 32 32 35 37 39 43 48 46 43 41 44 44 43 43 49 50  
PWIND DIR NE SE SE W NW N SE S  
WIND CHAR LT LT GN BZ GN GN LT GN  
AVG CLOUDS FW FW CL FW SC B2 B1 SC FW FW FW FW FW SC SC SC  
POP 12HR 0 0 70 20 0 0 10 30  
RAIN SHWRS S L S C C  
TSTMS S S S  
 

 
IAZ048-082100-  
AMES-STORY IA  
41.99N 93.62W ELEV. 936 FT  
352 AM CDT FRI MAY 8 2026  
 
DATE FRI 05/08/26 SAT 05/09/26 SUN 05/10/26  
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 74 47 75 44 67  
TEMP 45 44 59 69 72 72 60 54 49 49 65 73 74 70 59 52 46 44 57 64 66 65  
DEWPT 29 32 38 35 34 37 40 39 38 38 42 43 41 39 37 34 32 32 33 33 32 32  
RH 53 62 45 28 25 28 47 57 66 66 43 34 30 32 44 50 58 62 40 31 28 29  
WIND DIR E S SW W W SW SW W W W W NW NW N N N N N N NW NW N  
WIND SPD 1 2 4 5 9 6 6 5 5 5 10 13 13 11 9 8 5 4 5 11 12 8  
CLOUDS SC SC SC FW FW FW SC CL FW CL SC B1 B1 B1 B1 SC FW FW FW SC FW SC  
POP 12HR 5 10 0 5 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
 
DATE MON 05/11/26 TUE 05/12/26 WED 05/13/26 THU 05/14/26  
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 40 71 51 80 47 75 49 80  
TEMP 47 41 66 69 56 53 76 75 54 49 71 73 55 52 75 77  
DEWPT 33 34 39 41 43 46 49 44 42 42 44 43 44 46 51 51  
PWIND DIR NE SE S W N N SE S  
WIND CHAR LT LT GN BZ GN GN LT GN  
AVG CLOUDS SC FW FW SC SC B1 SC SC FW FW FW FW FW SC SC SC  
POP 12HR 0 0 50 5 0 0 20 30  
RAIN SHWRS S C S C C  
TSTMS S S S  
 

 
IAZ004-082100-  
ESTHERVILLE-EMMET IA  
43.40N 94.75W ELEV. 1315 FT  
352 AM CDT FRI MAY 8 2026  
 
DATE FRI 05/08/26 SAT 05/09/26 SUN 05/10/26  
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 73 45 66 37 63  
TEMP 38 41 59 67 71 69 55 50 47 47 58 62 64 61 50 44 40 38 54 60 63 61  
DEWPT 26 28 30 28 30 33 34 34 34 36 40 39 36 31 30 29 28 29 30 30 30 28  
RH 62 59 33 23 22 26 45 54 60 65 51 43 35 32 46 55 62 70 40 32 29 28  
WIND DIR N SW W W W NW NW W W NW N N N N N N NW NW NW NW NW N  
WIND SPD 2 6 10 12 17 16 8 6 8 10 16 17 18 17 10 6 5 5 9 14 16 13  
CLOUDS FW SC FW FW SC SC FW FW SC B1 SC SC B1 B1 SC FW FW FW FW FW FW FW  
POP 12HR 5 5 5 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
 
DATE MON 05/11/26 TUE 05/12/26 WED 05/13/26 THU 05/14/26  
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 36 71 49 74 44 74 49 79  
TEMP 41 37 63 69 54 50 70 68 49 46 68 72 54 51 73 76  
DEWPT 29 29 34 37 40 42 44 40 39 39 41 39 40 42 47 46  
PWIND DIR NE SE S NW NW N SE S  
WIND CHAR LT LT BZ WY GN GN GN BZ  
AVG CLOUDS FW CL FW SC B1 B2 SC FW FW FW FW FW SC SC SC SC  
POP 12HR 0 0 60 5 0 0 20 20  
RAIN SHWRS C L S S S  
TSTMS S S S  
 

 
IAZ035-082100-  
FORT DODGE-WEBSTER IA  
42.55N 94.18W ELEV. 1165 FT  
352 AM CDT FRI MAY 8 2026  
 
DATE FRI 05/08/26 SAT 05/09/26 SUN 05/10/26  
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 75 46 72 40 66  
TEMP 44 43 59 69 73 73 59 52 48 48 64 70 71 67 55 48 43 41 56 63 66 64  
DEWPT 29 30 33 29 30 34 36 35 35 36 40 40 38 35 32 30 29 30 31 31 30 29  
RH 55 60 37 22 20 24 42 52 60 63 41 33 30 30 41 49 57 65 38 30 26 27  
WIND DIR S S SW W W W W NW W W NW N N N N N N N NW NW NW N  
WIND SPD 2 3 5 8 12 10 5 5 5 5 12 13 13 12 9 6 4 3 4 11 12 9  
CLOUDS SC SC SC FW SC SC FW CL FW FW B1 B1 SC B1 SC SC FW FW FW FW SC SC  
POP 12HR 10 5 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
 
DATE MON 05/11/26 TUE 05/12/26 WED 05/13/26 THU 05/14/26  
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 38 72 50 79 45 76 49 81  
TEMP 45 39 66 70 55 52 74 73 52 47 70 74 54 51 74 77  
DEWPT 29 32 35 38 41 44 46 41 40 40 41 40 41 43 49 49  
PWIND DIR NE SE S NW NW N SE S  
WIND CHAR LT LT GN BZ GN LT LT GN  
AVG CLOUDS FW FW FW SC SC B2 SC FW FW FW FW FW FW SC SC SC  
POP 12HR 0 0 50 5 0 0 20 30  
RAIN SHWRS C C S C C  
TSTMS S S S  
 

 
IAZ094-082100-  
LAMONI-DECATUR IA  
40.63N 93.90W ELEV. 1125 FT  
352 AM CDT FRI MAY 8 2026  
 
DATE FRI 05/08/26 SAT 05/09/26 SUN 05/10/26  
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 72 47 80 49 68  
TEMP 46 47 61 67 69 70 58 55 51 49 68 78 79 74 64 58 52 49 58 64 67 66  
DEWPT 39 40 43 46 44 44 43 43 42 43 46 44 44 45 44 41 37 36 35 34 33 33  
RH 76 76 51 47 40 39 57 64 71 80 45 30 29 35 48 53 56 61 42 32 28 29  
WIND DIR S SE SE S SW W SW SW W W W W W N N NE N N N N N N  
WIND SPD 4 3 4 4 8 5 8 9 8 8 10 12 11 9 8 9 10 9 9 10 11 6  
CLOUDS SC B2 B2 B2 SC FW FW FW FW FW CL FW B1 B2 B2 B2 B1 B1 SC FW FW FW  
POP 12HR 20 0 20 30 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C S S  
SPRINKLES C  
 
DATE MON 05/11/26 TUE 05/12/26 WED 05/13/26 THU 05/14/26  
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 44 74 54 82 50 77 52 83  
TEMP 50 45 70 72 59 55 79 79 58 51 74 75 58 54 79 79  
DEWPT 34 36 40 42 43 48 50 45 41 43 44 43 43 46 51 52  
PWIND DIR S SW S W NW N SE S  
WIND CHAR LT LT GN BZ GN GN LT GN  
AVG CLOUDS SC SC FW FW SC SC SC FW FW CL FW FW FW SC SC SC  
POP 12HR 0 0 30 5 0 0 10 30  
RAIN SHWRS C C  
TSTMS S C  
 

 
IAZ017-082100-  
MASON CITY-CERRO GORDO IA  
43.16N 93.33W ELEV. 1189 FT  
352 AM CDT FRI MAY 8 2026  
 
DATE FRI 05/08/26 SAT 05/09/26 SUN 05/10/26  
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 72 43 67 37 62  
TEMP 36 40 58 67 70 69 56 50 46 46 59 64 65 62 51 45 39 38 54 59 62 60  
DEWPT 22 26 31 29 30 34 35 34 34 35 40 40 37 33 31 29 28 28 30 30 30 29  
RH 56 57 36 24 22 27 45 54 63 65 49 41 35 33 46 53 64 67 40 33 30 31  
WIND DIR SW S SW W W W W W W W NW N N N N N N NW NW NW NW N  
WIND SPD 1 4 8 10 13 10 5 6 5 5 13 17 17 13 6 6 4 3 8 14 16 12  
CLOUDS FW SC SC CL FW B1 FW FW FW SC B1 SC SC SC FW FW FW FW CL SC FW FW  
POP 12HR 5 10 5 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
 
DATE MON 05/11/26 TUE 05/12/26 WED 05/13/26 THU 05/14/26  
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 35 67 45 72 42 71 45 76  
TEMP 41 37 62 65 52 48 69 66 49 44 67 69 52 49 71 73  
DEWPT 29 30 34 36 38 41 46 43 40 39 42 42 41 41 48 48  
PWIND DIR NE SE SE W NW N SE S  
WIND CHAR LT LT BZ BZ GN GN LT GN  
AVG CLOUDS FW CL FW SC SC B2 SC FW SC FW FW FW FW SC SC SC  
POP 12HR 0 0 70 20 0 0 20 30  
RAIN SHWRS C L S S C C  
TSTMS C S S  
 

 
IAZ049-082100-  
MARSHALLTOWN-MARSHALL IA  
42.11N 92.91W ELEV. 972 FT  
352 AM CDT FRI MAY 8 2026  
 
DATE FRI 05/08/26 SAT 05/09/26 SUN 05/10/26  
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 73 44 73 41 64  
TEMP 42 42 58 68 71 70 57 51 47 47 63 71 71 67 55 50 44 42 55 62 64 62  
DEWPT 26 28 36 35 33 37 39 38 37 37 41 42 40 39 36 33 30 31 32 32 32 33  
RH 53 57 44 29 25 30 51 61 68 68 44 35 32 36 49 52 57 65 41 32 30 33  
WIND DIR SE SE SW W W SW SW W W W W NW NW N N N N N N NW NW N  
WIND SPD 5 3 4 6 9 6 6 5 5 5 10 13 13 10 6 6 5 4 6 11 12 8  
CLOUDS SC SC SC FW FW FW SC FW CL FW FW B1 SC B1 B1 SC FW FW FW FW SC SC  
POP 12HR 0 10 0 5 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
 
DATE MON 05/11/26 TUE 05/12/26 WED 05/13/26 THU 05/14/26  
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 37 68 48 77 45 73 47 77  
TEMP 45 38 65 66 52 51 72 70 51 47 69 71 52 49 73 74  
DEWPT 31 32 37 40 39 44 49 45 41 40 44 44 42 43 49 51  
PWIND DIR NE SE SE W N N SE S  
WIND CHAR LT LT GN BZ GN LT LT GN  
AVG CLOUDS FW FW FW FW SC B1 SC SC FW FW FW FW FW FW SC SC  
POP 12HR 0 0 60 10 0 0 10 30  
RAIN SHWRS S L S C  
TSTMS S S S  
 

 
IAZ086-082100-  
OTTUMWA-WAPELLO IA  
41.11N 92.45W ELEV. 836 FT  
352 AM CDT FRI MAY 8 2026  
 
DATE FRI 05/08/26 SAT 05/09/26 SUN 05/10/26  
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 73 48 78 48 66  
TEMP 46 47 60 67 71 70 58 55 52 51 66 74 76 73 62 56 51 48 57 63 66 64  
DEWPT 43 43 44 42 39 42 43 44 43 43 46 45 44 44 42 40 37 36 36 34 34 35  
RH 89 86 55 40 31 36 57 66 71 74 48 35 32 35 48 55 59 63 45 34 30 34  
WIND DIR SW SE SW SW W W S SW W W W W NW N N N N N N N N N  
WIND SPD 5 3 3 5 8 6 8 9 9 9 10 13 13 10 9 8 8 8 9 11 12 6  
CLOUDS SC B2 B2 B1 SC FW FW FW FW CL CL SC SC B1 B1 B1 B1 SC FW FW FW FW  
POP 12HR 20 5 0 10 0  
QPF 12HR 0.01 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S  
SPRINKLES C  
 
DATE MON 05/11/26 TUE 05/12/26 WED 05/13/26 THU 05/14/26  
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 42 71 51 80 49 74 50 80  
TEMP 48 43 66 69 55 53 75 75 56 50 69 72 55 53 74 76  
DEWPT 34 36 39 41 41 46 51 48 44 43 45 45 44 46 50 52  
PWIND DIR NE N SE W NW N E S  
WIND CHAR LT LT GN BZ GN GN LT GN  
AVG CLOUDS FW FW FW FW SC SC B1 SC FW CL FW FW FW FW SC SC  
POP 12HR 0 0 40 20 5 0 5 30  
RAIN SHWRS C S S C  
TSTMS S S  
 

 
 
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