Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
432 FOUS53 KDMX 150257 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 957 PM CDT Fri Aug 14 2026 IAZ060-150900- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 957 PM CDT Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 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 72 89 70 82 63 Temp 73 76 75 73 80 86 89 86 78 75 73 71 76 80 82 79 72 69 66 64 Dewpt 73 73 74 73 76 78 79 79 76 74 73 71 73 73 72 70 68 66 65 64 RH 100 90 97100 88 77 73 80 94 97100100 90 79 72 74 87 90 97100 Wind dir E E E S W NW NW N NW NW NW NW N N N N N N NW N Wind spd 8 5 5 5 5 5 6 5 4 3 4 5 8 9 10 8 4 2 2 2 Wind gust 18 Clouds OV OV B2 B2 B2 SC SC B1 B2 OV B2 B1 B1 B1 SC SC FW SC SC SC PoP 12hr 40 40 60 10 0 QPF 12hr 0.70 0 0.66 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C C C L C Tstms C S C C C S C Obvis PF PF Heat index 86 99104100 87 Max heat 103 108 95 85 89 Flood A A A A Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 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 65 85 67 80 62 76 62 77 Temp 79 78 69 66 82 82 73 68 77 76 68 63 74 73 65 63 74 74 Dewpt 66 68 65 65 72 74 70 68 71 70 66 63 67 68 64 63 69 70 PWind dir NW S S E N N NE SE S Wind char LT LT LT LT GN LT LT LT LT Avg clouds SC FW FW SC B1 SC B1 B2 B1 SC SC SC B1 SC SC SC SC SC PoP 12hr 0 10 20 70 20 20 10 20 20 Rain shwrs S S L L S S S S Tstms S S C C S S S $$ IAZ039-150900- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 957 PM CDT Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 86 68 79 60 Temp 72 72 71 70 77 82 85 82 76 74 72 70 74 77 79 76 69 66 63 61 Dewpt 71 71 71 70 74 77 78 77 74 73 71 70 71 71 69 67 66 64 62 60 RH 97 97100100 90 85 80 85 94 97 97100 90 82 72 74 90 93 97 97 Wind dir E E SE E SW NW NW W NW W NW NW NW NW NW NW NW NW NW NW Wind spd 6 6 8 5 5 5 6 5 3 4 4 6 9 11 12 9 4 4 4 2 Clouds OV OV OV B2 B2 B1 SC SC OV B1 B1 B2 B1 SC SC FW FW FW FW FW PoP 12hr 30 30 50 5 0 QPF 12hr 0.90 0.03 0.23 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C S C C Tstms S C C S Obvis PF Heat index 91 98 90 Max heat 93 100 87 83 Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 79 62 81 64 77 59 75 59 76 Temp 77 75 67 64 78 76 70 65 75 73 65 61 73 72 64 60 74 73 Dewpt 65 66 64 63 71 70 68 65 68 66 63 60 65 64 62 60 66 67 PWind dir NW SW SW W N N E S SW Wind char LT LT LT GN GN LT LT LT LT Avg clouds FW FW FW SC B2 B1 B2 B2 B1 SC SC SC B1 SC SC SC SC SC PoP 12hr 0 20 50 80 20 10 10 20 20 Rain shwrs S S C D L S S S Tstms S S C C C S $$ IAZ048-150900- Ames-Story IA 41.99N 93.62W Elev. 936 ft 957 PM CDT Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 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 70 88 68 81 62 Temp 72 74 73 72 79 85 87 83 76 74 72 71 74 79 81 77 69 67 64 63 Dewpt 72 73 73 72 76 79 80 78 76 73 72 70 72 72 71 69 68 66 64 63 RH 100 97100100 91 82 80 85100 97100 97 93 79 72 76 97 97100100 Wind dir E E E SW W NW NW NW NW NW NW NW N N N N N NW NW N Wind spd 5 5 5 4 4 4 4 5 3 3 3 5 9 9 10 5 3 2 2 1 Wind gust 16 Clouds OV OV OV B2 B2 B1 SC B2 OV B1 B1 SC B1 SC SC FW FW FW SC SC PoP 12hr 40 40 50 10 0 QPF 12hr 0.70 0 0.17 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C C S C Tstms C S C C S S Obvis PF PF Heat index 97103 94 Max heat 99 106 91 86 Flood A A A A Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 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 64 83 65 79 61 77 60 77 Temp 78 77 67 65 80 79 71 66 76 74 65 62 74 73 64 61 75 74 Dewpt 66 68 66 65 73 73 70 66 70 69 65 62 67 67 64 61 69 70 PWind dir W S S NW N N E SE S Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC B1 SC B1 B2 B2 B1 SC SC B1 SC SC SC SC SC PoP 12hr 0 30 40 70 20 10 10 20 20 Rain shwrs C C C L L S S S S S Tstms C S C C C S S S S $$ IAZ004-150900- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 957 PM CDT Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 81 63 77 56 Temp 71 70 69 68 74 79 79 77 71 70 66 63 69 74 77 74 65 61 59 57 Dewpt 70 70 69 68 72 75 76 75 71 69 65 63 65 65 65 66 62 58 57 56 RH 97100100100 93 88 91 94100 97 97100 87 74 67 76 90 90 93 96 Wind dir SE SE E NE W W W W W NW NW N N N N N N NW W W Wind spd 5 6 4 3 4 4 4 5 5 6 10 10 12 11 10 5 3 3 3 1 Clouds B2 OV OV B2 B2 B1 B2 B1 B1 SC SC B1 SC SC FW FW FW FW SC SC PoP 12hr 30 60 60 0 0 QPF 12hr 0.14 0.06 0.09 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C S C L Tstms S S C S Obvis PF F PF Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 78 62 78 60 74 55 73 57 74 Temp 76 75 66 63 76 75 66 61 72 71 60 57 71 70 61 57 72 72 Dewpt 64 68 64 63 71 72 66 61 66 66 59 56 64 65 60 57 67 68 PWind dir SW SW SW N N NW SW S S Wind char LT LT GN GN GN LT LT LT GN Avg clouds FW FW FW B1 B1 B2 B1 B1 B1 SC SC SC SC SC SC SC SC SC PoP 12hr 5 50 70 70 10 10 10 20 20 Rain shwrs C C C L L C S S S Tstms C C C C C C S S $$ IAZ035-150900- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 957 PM CDT Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 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 85 66 79 58 Temp 72 72 71 71 76 83 85 80 74 72 70 67 71 76 79 76 67 64 61 59 Dewpt 71 72 71 71 75 78 79 77 74 71 70 67 69 70 69 69 65 63 61 59 RH 97100100100 97 85 82 91100 97100100 93 82 72 79 93 97100100 Wind dir E E E SW W NW NW W NW NW NW NW N N N N N NW NW NW Wind spd 5 6 4 2 3 3 3 3 2 3 4 5 9 9 8 4 1 1 1 0 Clouds OV B2 OV OV OV B2 B1 B2 B1 B1 B1 B1 SC SC SC FW FW FW SC SC PoP 12hr 30 50 50 5 0 QPF 12hr 0.43 0.06 0.10 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S C C S S Tstms S S C C S Obvis PF PF Heat index 92 97 87 Max heat 94 98 Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 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 63 82 63 77 57 75 58 76 Temp 77 76 66 63 78 77 68 64 75 73 62 58 72 72 61 59 73 72 Dewpt 67 69 64 63 74 73 68 64 69 68 62 58 66 67 61 59 69 70 PWind dir SW S S NW N N SE S S Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW FW SC B2 B1 B2 B2 B2 B1 SC SC B1 SC SC SC B1 SC PoP 12hr 5 40 60 70 20 10 10 20 20 Rain shwrs S C C L L C S S S Tstms S C S C C C S $$ IAZ094-150900- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 957 PM CDT Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 74 91 70 83 64 Temp 75 78 77 75 83 88 91 88 79 76 73 71 77 81 83 79 73 69 66 65 Dewpt 74 73 71 70 73 73 73 75 75 75 73 71 73 72 72 70 70 68 66 65 RH 97 85 82 84 72 61 56 66 88 97100100 87 74 70 74 90 97100100 Wind dir E E S SW W W W N N N NW N N N N N N N N N Wind spd 6 5 6 6 8 9 9 5 4 4 5 5 6 8 9 9 5 3 3 3 Clouds B1 B2 OV B2 B2 B2 B1 B1 B2 B2 OV B2 B2 B1 B1 SC SC SC SC SC PoP 12hr 60 20 60 20 5 QPF 12hr 0.05 0 0.15 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S C C L L S S C C Tstms S C S S C C C L S S C C Heat index 89 97 99 97 86 88 Max heat 98 102 95 87 90 Flood A A A A Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 65 87 69 83 64 79 63 80 Temp 80 79 69 66 85 85 74 70 81 78 69 65 76 75 67 64 78 78 Dewpt 65 65 65 65 68 69 70 68 69 68 67 64 65 65 65 63 66 66 PWind dir N S S E N NE NE E SE Wind char LT LT LT GN GN LT LT LT LT Avg clouds SC SC SC SC SC SC SC B2 B2 B1 SC B1 B1 B1 SC B1 SC SC PoP 12hr 0 5 5 50 20 20 10 20 10 Rain shwrs C C S S S Tstms S C S S S $$ IAZ017-150900- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 957 PM CDT Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 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 83 65 77 57 Temp 70 70 69 67 74 79 81 79 73 71 70 67 70 75 77 75 66 63 60 58 Dewpt 69 70 69 67 73 76 76 75 73 71 69 67 68 67 66 66 63 60 58 58 RH 97100100100 97 91 85 88100100 97100 93 76 69 74 90 90 93100 Wind dir SE SE E E SW NW NW W W NW NW NW N N NW NW NW NW NW NW Wind spd 6 5 5 4 4 3 3 4 4 4 5 8 11 11 10 6 3 3 3 1 Wind gust 17 17 Clouds OV OV OV OV B2 B2 B1 B2 B2 B1 B2 B1 SC SC FW FW FW FW FW SC PoP 12hr 30 40 50 5 0 QPF 12hr 0.39 0.01 0.33 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C S C C S Tstms C C Obvis PF PF PF F PF Heat index 87 Max heat 90 Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 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 61 79 61 75 56 74 56 75 Temp 76 75 65 63 77 75 66 62 73 72 61 58 72 70 61 58 73 72 Dewpt 64 67 63 63 71 71 66 62 67 65 60 58 63 64 61 58 67 67 PWind dir W SW SW W N N S S S Wind char LT LT LT LT GN LT LT LT LT Avg clouds FW FW FW B1 B1 B1 B2 B2 B1 SC SC SC B1 SC SC SC B1 SC PoP 12hr 5 40 60 70 20 10 10 20 20 Rain shwrs S C C L L C S S S S Tstms S C S C C C $$ IAZ049-150900- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 957 PM CDT Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 87 67 81 60 Temp 72 73 72 70 77 83 86 83 75 73 71 68 74 78 80 76 68 65 63 61 Dewpt 72 72 72 70 75 78 79 77 74 72 71 68 71 71 71 68 66 63 61 60 RH 100 97100100 94 85 80 82 97 97100100 90 79 74 76 93 93 93 97 Wind dir E E SE SE W W NW NW NW NW NW NW N N NW N NW NW NW NW Wind spd 5 6 6 4 4 4 5 4 3 3 4 4 8 9 9 6 3 3 3 2 Wind gust 18 Clouds OV OV B2 B2 B2 B2 B1 B2 OV B2 B1 B2 B1 B1 SC SC FW FW FW FW PoP 12hr 40 30 50 10 0 QPF 12hr 1.28 0 0.19 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C S C C C Tstms C S C S C S S Obvis PF PF Heat index 93100 91 Max heat 96 101 89 85 Flood A A A A Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 81 61 82 64 78 59 76 58 77 Temp 78 76 66 63 79 77 70 65 76 73 64 60 73 71 63 59 73 72 Dewpt 65 66 63 63 71 71 68 65 69 67 63 60 65 65 62 59 67 67 PWind dir NW S S W N N E S S Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW FW SC B1 B1 B1 B2 B2 B1 SC SC B2 SC SC SC SC SC PoP 12hr 0 20 40 70 20 10 10 20 10 Rain shwrs S S C L L S S Tstms S S C C C S S $$ IAZ086-150900- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 957 PM CDT Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 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 73 91 71 84 64 Temp 75 76 75 74 81 87 90 88 79 76 73 72 77 82 84 80 72 69 66 65 Dewpt 74 75 75 74 77 78 79 79 77 76 73 72 76 75 75 72 71 68 66 65 RH 97 97100100 88 75 70 75 94100100100 97 79 74 77 97 97100100 Wind dir E E SE SE SW W W NW N NW NW NW NW NW NW N N N NW NW Wind spd 8 8 8 8 8 9 8 5 4 4 4 4 6 8 10 9 5 4 3 3 Clouds B2 OV OV OV B1 SC SC B1 B2 B2 OV OV B1 B1 SC SC SC FW FW FW PoP 12hr 80 40 70 20 0 QPF 12hr 0.58 0.01 0.34 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D C S C C L L S S S S Tstms C C C C S C C C L S S S S Obvis PF PF Heat index 88 99106103 88 91 Max heat 100 108 98 89 93 Flood A A A A Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 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 83 64 87 68 83 63 78 62 79 Temp 80 79 68 66 83 83 73 69 80 79 68 64 76 75 65 63 76 76 Dewpt 66 67 66 65 70 72 70 69 72 70 67 64 67 67 65 63 68 69 PWind dir NW SE S S N N NE E SE Wind char LT LT LT LT GN LT LT LT LT Avg clouds FW FW SC FW SC SC SC B1 B2 B1 SC SC B1 SC SC SC B1 SC PoP 12hr 0 0 10 60 20 20 20 20 10 Rain shwrs C L S S S S Tstms S C S S S $$