Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
250 FOUS53 KDMX 132316 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 616 PM CDT Wed Aug 13 2025 IAZ060-140900- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 616 PM CDT Wed Aug 13 2025 Date 08/13/25 Thu 08/14/25 Fri 08/15/25 Sat 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 85 67 91 73 Temp 80 71 68 64 63 75 81 84 82 74 71 68 67 77 87 91 89 81 78 75 73 Dewpt 64 64 62 61 60 64 66 67 68 67 66 64 64 69 72 74 74 73 72 70 69 RH 58 79 81 90 90 69 60 57 63 79 84 87 90 76 61 58 61 77 82 84 87 Wind dir E E SE SE SE SE S S SE SE SE S S S S S S S S S S Wind spd 3 3 3 3 4 8 10 10 9 8 8 6 6 9 10 11 9 8 8 6 6 Clouds FW CL FW FW SC SC SC FW FW FW FW FW SC SC SC SC FW FW FW FW FW PoP 12hr 5 0 5 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 94101 98 87 Max heat 83 85 90 83 94 103 96 Date 08/16 Sun 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 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 94 74 92 73 90 69 85 65 80 Temp 91 90 79 74 89 88 78 73 87 84 75 69 80 80 70 66 77 77 Dewpt 74 74 72 70 73 72 72 69 72 71 70 68 70 70 68 65 66 65 PWind dir S S S SE S S NE NE NE Wind char GN LT LT LT GN LT LT LT LT Avg clouds FW FW SC SC SC SC SC SC SC SC SC B1 SC SC SC B1 B1 SC PoP 12hr 0 10 10 30 20 40 30 30 20 Rain shwrs C S S C C C S S C S Tstms C S S C C S S S S $$ IAZ039-140900- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 616 PM CDT Wed Aug 13 2025 Date 08/13/25 Thu 08/14/25 Fri 08/15/25 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 81 65 87 71 Temp 79 68 65 61 61 74 80 81 79 71 68 67 66 76 84 87 85 77 75 73 71 Dewpt 64 63 61 59 60 65 65 66 67 67 65 64 64 70 72 74 74 74 72 70 70 RH 60 84 87 93 97 74 60 60 67 87 90 90 93 82 67 65 70 90 90 90 97 Wind dir N E SE SE SE SE S S SE SE S S S S S S S SE S S S Wind spd 2 2 2 2 2 6 10 10 9 8 8 8 8 10 12 12 10 9 8 8 6 Clouds CL FW FW FW FW SC SC FW FW FW SC SC SC SC SC FW FW FW SC FW FW PoP 12hr 5 0 10 5 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 90 95 93 Max heat 81 83 84 90 95 89 Date 08/16 Sun 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 71 87 68 85 66 80 62 77 Temp 88 88 75 71 84 84 73 69 81 81 72 67 78 76 67 62 74 75 Dewpt 76 76 72 69 73 72 69 67 72 72 69 67 69 68 65 61 64 64 PWind dir S S SE SE S SE E NE E Wind char GN LT GN GN GN LT GN LT GN Avg clouds SC FW SC SC SC SC SC B1 B1 SC SC B1 B1 SC B1 B1 B1 SC PoP 12hr 10 30 20 30 30 40 30 30 20 Rain shwrs S C S S S C C C C C C C S C S Tstms S S S S C S C C S S C S S $$ IAZ048-140900- Ames-Story IA 41.99N 93.62W Elev. 936 ft 616 PM CDT Wed Aug 13 2025 Date 08/13/25 Thu 08/14/25 Fri 08/15/25 Sat 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 60 83 65 90 71 Temp 79 68 65 62 60 72 80 83 80 73 68 67 66 76 85 89 87 80 77 73 71 Dewpt 65 64 62 60 60 65 67 69 69 67 66 65 65 70 74 76 76 74 72 70 70 RH 62 87 90 93100 79 65 63 69 81 93 93 97 82 70 66 70 82 85 90 97 Wind dir E E SE SE SE S S SE SE SE S S S S S S S S S S S Wind spd 2 2 3 3 3 8 10 10 10 9 8 8 6 10 10 10 9 9 8 5 5 Clouds FW FW FW FW FW SC SC FW FW FW FW SC SC SC SC FW FW SC SC SC FW PoP 12hr 5 0 10 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 92101 97 Max heat 82 84 88 94 103 96 Date 08/16 Sun 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 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 93 71 90 70 87 67 83 64 79 Temp 89 88 77 71 87 85 75 70 83 83 72 67 79 78 67 64 76 76 Dewpt 76 77 72 70 75 74 72 70 74 73 69 67 71 71 67 64 66 66 PWind dir S S S SE S SE NE NE NE Wind char GN LT LT LT GN LT LT LT LT Avg clouds FW FW SC SC SC SC SC B1 SC SC SC B1 SC SC SC B1 B1 SC PoP 12hr 0 20 20 30 30 40 30 30 20 Rain shwrs S S S S C C S C C C S S C S Tstms S S S C C S C C S S S S $$ IAZ004-140900- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 616 PM CDT Wed Aug 13 2025 Date 08/13/25 Thu 08/14/25 Fri 08/15/25 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 82 68 88 72 Temp 77 68 66 64 63 71 77 81 80 72 71 69 68 76 84 87 85 78 76 74 72 Dewpt 65 63 61 59 59 64 67 70 70 67 66 65 65 69 72 74 74 73 70 68 68 RH 67 84 84 84 87 79 71 69 72 84 84 87 90 79 67 65 70 85 82 82 87 Wind dir SE SE SE S S S S S S S S S S S S S S S S S S Wind spd 5 6 8 9 10 14 18 19 16 14 14 14 13 13 13 13 10 10 10 10 9 Wind gust 29 26 25 25 Clouds FW SC SC B1 B2 B2 B1 SC FW SC SC SC SC SC SC SC B1 B1 SC B1 B1 PoP 12hr 20 20 30 10 20 QPF 12hr 0 0 0.05 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S S S Tstms S C C S S S S Heat index 90 96 93 Max heat 86 90 98 90 Date 08/16 Sun 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 69 86 67 85 65 80 63 79 Temp 86 87 74 70 82 83 72 68 82 82 69 66 77 75 65 63 75 76 Dewpt 74 75 69 67 72 72 68 67 71 72 68 65 68 68 64 62 64 65 PWind dir S SE SE SE S E NE NE NE Wind char GN GN GN GN GN GN GN LT LT Avg clouds B1 SC SC B1 B1 SC B1 B1 B1 SC SC B1 B2 SC B1 B1 B1 SC PoP 12hr 10 30 20 40 30 30 20 20 10 Rain shwrs C C S S C C C S C C S S S S Tstms S S S S C C C S C S S $$ IAZ035-140900- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 616 PM CDT Wed Aug 13 2025 Date 08/13/25 Thu 08/14/25 Fri 08/15/25 Sat 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 84 67 90 71 Temp 79 68 65 63 62 73 80 83 80 72 70 69 67 76 84 89 85 80 77 73 71 Dewpt 66 64 61 60 60 64 67 70 70 67 66 65 65 70 73 76 76 74 71 69 69 RH 64 87 87 90 93 73 65 65 72 84 87 87 93 82 70 66 75 82 82 87 93 Wind dir SE SE SE SE SE S S S SE SE S S S S S S S S S S S Wind spd 3 4 5 5 6 10 13 14 12 12 10 10 10 11 12 12 10 10 10 9 6 Clouds FW FW SC SC SC B1 SC SC FW FW FW SC SC SC SC SC SC SC SC SC SC PoP 12hr 5 5 20 5 10 QPF 12hr 0 0 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S S Heat index 90100 95 Max heat 82 83 88 91 102 92 Date 08/16 Sun 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 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 92 71 88 70 86 66 83 63 79 Temp 88 88 76 71 85 85 74 70 82 83 70 66 78 77 67 63 76 76 Dewpt 76 77 70 69 74 74 69 68 73 73 69 66 70 70 66 63 66 66 PWind dir S SE SE SE S SE NE NE NE Wind char GN LT GN GN GN LT GN LT LT Avg clouds SC FW SC SC SC SC SC B1 B1 SC SC SC SC SC B1 B1 B1 SC PoP 12hr 5 20 20 30 30 40 20 30 10 Rain shwrs S S S S S C C S C C S S C S Tstms S S S S S C C S C S S S S $$ IAZ094-140900- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 616 PM CDT Wed Aug 13 2025 Date 08/13/25 Thu 08/14/25 Fri 08/15/25 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 62 84 66 90 71 Temp 80 70 68 64 63 74 80 83 81 72 69 68 66 78 87 90 87 79 77 73 72 Dewpt 67 66 63 61 61 65 67 68 70 68 66 65 65 70 73 74 74 74 72 70 69 RH 65 87 84 90 93 74 65 61 69 87 90 90 97 76 63 60 65 85 85 90 90 Wind dir E E E SE SE SE S S SE SE SE SE S S S S S S S S S Wind spd 2 2 3 3 3 5 8 8 6 5 6 5 5 8 10 10 6 6 6 5 5 Clouds CL CL FW FW FW FW SC SC FW FW FW FW FW FW SC FW FW FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 94 99 96 Max heat 85 84 88 95 101 94 Date 08/16 Sun 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 73 92 71 91 69 87 65 81 Temp 88 88 77 73 89 87 77 72 87 85 74 70 82 81 70 65 78 77 Dewpt 74 75 71 70 72 74 71 70 72 73 71 68 71 71 69 65 66 66 PWind dir S S S S S S E NE NE Wind char GN LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC SC SC SC SC FW SC B1 SC SC SC B1 B1 SC PoP 12hr 0 5 10 20 20 30 30 20 20 Rain shwrs S S S S C C C S S S Tstms S S S S C S C S S S $$ IAZ017-140900- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 616 PM CDT Wed Aug 13 2025 Date 08/13/25 Thu 08/14/25 Fri 08/15/25 Sat 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 59 80 65 86 70 Temp 77 67 63 61 60 72 77 79 77 70 68 67 65 74 82 85 83 77 74 73 71 Dewpt 64 62 59 59 58 64 66 68 68 65 63 63 63 69 72 75 74 74 71 69 68 RH 64 84 87 93 93 76 69 69 74 84 84 87 93 84 72 72 74 90 90 87 90 Wind dir SE SE SE SE S S S S S SE S S S S S S S S S S S Wind spd 2 2 2 4 5 9 12 13 11 11 10 10 10 11 12 12 9 9 9 8 6 Clouds FW FW SC SC SC B1 B1 SC SC FW SC SC SC SC SC SC SC SC B1 SC SC PoP 12hr 5 5 30 10 20 QPF 12hr 0 0 0.08 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S Tstms C C S S Heat index 87 94 90 Max heat 83 87 94 86 Date 08/16 Sun 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 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 89 69 85 67 84 64 79 60 76 Temp 86 87 74 69 82 82 72 67 80 81 69 65 75 73 65 61 73 74 Dewpt 75 77 69 67 73 73 68 66 71 72 66 65 69 68 63 61 64 64 PWind dir S SE SE SE S SE E NE E Wind char GN LT GN GN GN LT GN LT LT Avg clouds SC FW SC B1 SC SC SC B2 B1 SC SC B1 B1 B1 B1 B1 B1 SC PoP 12hr 10 30 20 40 30 40 30 20 10 Rain shwrs C C S S C C C C C C C S S S Tstms S S S C C S C C S S S $$ IAZ049-140900- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 616 PM CDT Wed Aug 13 2025 Date 08/13/25 Thu 08/14/25 Fri 08/15/25 Sat CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 59 81 64 87 70 Temp 78 67 64 61 59 73 79 81 79 69 67 65 64 76 84 87 85 77 75 72 70 Dewpt 64 62 61 59 58 65 66 67 67 66 64 62 63 69 72 74 75 73 71 69 68 RH 62 84 90 93 96 76 64 63 67 90 90 90 97 79 67 65 72 87 87 90 93 Wind dir E E SE SE SE SE S SE SE SE SE S S S S S S S S S S Wind spd 2 2 2 3 3 6 10 10 9 8 8 8 8 10 10 10 9 8 8 6 6 Clouds CL CL FW FW FW FW SC FW FW FW FW SC SC SC SC FW FW FW SC FW FW PoP 12hr 5 0 10 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 89 96 94 Max heat 85 91 99 90 Date 08/16 Sun 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 71 87 69 85 66 81 62 77 Temp 87 87 75 71 84 83 74 70 82 81 71 66 78 76 67 62 74 75 Dewpt 76 75 71 69 74 74 70 67 73 72 68 66 70 69 65 62 66 65 PWind dir S S SE SE S SE NE NE NE Wind char GN LT LT LT GN LT GN LT LT Avg clouds FW FW FW SC SC SC SC B1 B1 SC SC B1 B1 SC SC B1 B1 SC PoP 12hr 5 20 20 30 30 40 30 30 20 Rain shwrs S S S S C C S C C C S S C S Tstms S S S S C S S C S S S S S $$ IAZ086-140900- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 616 PM CDT Wed Aug 13 2025 Date 08/13/25 Thu 08/14/25 Fri 08/15/25 Sat 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 61 83 66 90 72 Temp 79 69 65 63 62 74 80 83 80 72 68 68 66 77 86 89 87 78 76 74 72 Dewpt 66 65 63 61 61 66 65 67 69 67 66 65 65 71 74 75 76 74 72 71 70 RH 64 87 93 93 97 76 60 59 69 84 93 90 97 82 68 64 70 88 87 90 93 Wind dir NE NE E E E SE SE SE SE SE SE SE SE S S S S S S S S Wind spd 2 2 2 2 2 4 5 6 5 5 5 5 6 8 9 9 5 5 6 5 5 Clouds CL CL CL FW FW FW FW FW FW FW FW FW FW SC SC SC FW FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 93 99 98 Max heat 83 83 87 95 102 94 Date 08/16 Sun 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 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 92 73 92 72 90 69 85 65 79 Temp 89 88 76 73 89 87 76 72 86 83 73 70 81 79 70 65 76 76 Dewpt 75 77 72 71 74 74 72 70 72 73 71 69 71 71 68 65 66 67 PWind dir S S S SE S S NW NE NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC SC SC SC SC SC SC B1 B1 SC SC B1 B1 B1 PoP 12hr 5 10 10 20 20 40 30 30 20 Rain shwrs S S S S C C C S C S Tstms S S S S C S C S S S $$