Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
571 FOUS53 KDMX 300902 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 402 AM CDT Wed Sep 30 2026 IAZ060-302100- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 402 AM CDT Wed Sep 30 2026 Date Wed 09/30/26 Thu 10/01/26 Fri 10/02/26 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 71 64 68 52 64 Temp 67 68 70 70 70 68 68 67 66 66 65 64 61 59 57 54 52 55 61 64 59 Dewpt 67 66 70 70 69 68 68 67 66 65 63 61 56 53 50 47 44 46 47 48 49 RH 100 93100100 97100100100100 97 93 90 84 80 77 77 74 72 60 56 69 Wind dir S S SW S S SE E NE NE N N N N N N N N N NE NE NE Wind spd 6 8 6 5 3 3 3 4 6 8 10 11 10 8 6 6 6 8 8 6 4 Wind gust 18 Clouds OV OV OV OV OV OV OV OV OV B2 OV OV OV B2 B2 SC FW FW FW CL FW PoP 12hr 90 100 50 20 0 QPF 12hr 0.42 1.59 0.61 0.20 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L L D L L D D C C C C S S Tstms S C C Flood A A A A A A A A A A A A A A Date Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 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 49 66 53 65 46 61 49 65 Temp 52 49 63 61 55 53 62 59 50 46 58 57 51 50 61 62 Dewpt 47 46 52 54 53 51 52 50 46 44 48 49 48 46 54 56 PWind dir E S W N N SE SE S Wind char LT LT LT LT LT LT LT GN Avg clouds FW FW FW FW FW FW FW FW FW CL FW FW FW SC SC SC PoP 12hr 0 0 5 0 0 0 0 5 $$ IAZ039-302100- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 402 AM CDT Wed Sep 30 2026 Date Wed 09/30/26 Thu 10/01/26 Fri 10/02/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 72 61 67 49 64 Temp 66 68 70 72 71 67 66 65 63 65 66 65 61 58 55 51 49 54 61 64 58 Dewpt 65 67 69 69 68 67 66 65 63 64 61 57 52 49 46 43 41 45 45 44 45 RH 97 97 97 90 90100100100100 97 84 75 72 72 72 74 74 71 56 48 62 Wind dir S SW SW S S S SW N NE N N N N N N N N N N N NE Wind spd 5 6 5 5 4 3 1 2 3 6 10 11 10 9 8 8 8 9 8 6 4 Clouds OV OV B2 OV OV OV OV OV OV OV OV OV OV B2 B1 SC FW FW CL FW FW PoP 12hr 60 100 60 5 0 QPF 12hr 0.06 1.53 0.15 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C L D D D L S C Tstms S S Obvis PF Flood A A A A A A A A A A A A A A Date Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 46 65 50 64 42 60 46 62 Temp 49 46 62 61 54 50 61 58 47 43 57 56 49 47 59 60 Dewpt 43 43 50 50 51 50 49 45 42 40 44 45 44 44 51 52 PWind dir E S W N N SE SE S Wind char LT LT LT GN LT LT LT GN Avg clouds FW FW FW FW SC SC FW FW FW CL FW FW FW FW SC SC PoP 12hr 0 0 5 0 0 0 0 5 $$ IAZ048-302100- Ames-Story IA 41.99N 93.62W Elev. 936 ft 402 AM CDT Wed Sep 30 2026 Date Wed 09/30/26 Thu 10/01/26 Fri 10/02/26 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 71 62 67 50 64 Temp 67 68 71 70 69 68 67 66 64 65 65 64 60 58 55 52 50 55 61 64 58 Dewpt 66 68 70 70 69 68 67 66 64 64 62 59 54 51 48 45 43 45 46 46 47 RH 97100 97100100100100100100 97 90 84 81 77 77 77 77 69 58 52 67 Wind dir S S S SE SE S SE NE NE N N N N N N N N N NE NE NE Wind spd 4 5 4 4 2 1 1 3 4 6 10 10 9 8 5 6 6 6 6 5 3 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 SC FW FW FW FW FW PoP 12hr 90 100 40 5 0 QPF 12hr 0.27 1.92 0.32 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C D D D D D C C S S Tstms S C S Obvis PF Flood A A A A A A A A A A A A A A Date Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 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 48 65 51 65 44 60 48 64 Temp 51 48 62 60 55 52 61 58 48 45 57 55 52 49 60 61 Dewpt 46 45 52 54 53 51 50 48 45 43 47 49 48 46 54 57 PWind dir E S W N N SE SE S Wind char LT LT LT LT LT LT LT GN Avg clouds FW FW FW FW SC FW FW FW FW FW FW FW FW SC SC SC PoP 12hr 0 0 5 0 0 0 0 5 $$ IAZ004-302100- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 402 AM CDT Wed Sep 30 2026 Date Wed 09/30/26 Thu 10/01/26 Fri 10/02/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 73 58 63 47 60 Temp 63 66 72 74 69 64 63 62 60 60 62 63 59 54 52 49 47 54 59 60 57 Dewpt 63 64 64 63 63 62 61 58 55 52 48 46 44 42 40 38 38 41 40 40 43 RH 100 93 76 69 81 93 93 87 84 75 60 54 57 64 63 66 71 61 49 47 59 Wind dir SW W SW SW SW W NW N N N N N N N N N N N NE NE E Wind spd 3 4 2 2 2 3 2 5 11 13 13 12 8 6 6 6 4 4 4 3 2 Clouds B2 B2 B2 B2 OV OV B2 B2 OV B2 OV B2 B1 B1 SC FW FW FW FW FW SC PoP 12hr 5 10 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF PF Date Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 49 64 49 60 43 60 50 65 Temp 52 49 61 60 54 49 59 56 46 43 57 56 53 51 62 62 Dewpt 42 43 49 52 51 47 45 42 41 40 44 46 48 47 53 56 PWind dir SE S NW N N S S S Wind char LT GN LT GN LT LT GN BZ Avg clouds SC SC SC SC SC FW FW FW CL CL FW FW FW SC SC SC PoP 12hr 0 10 5 0 0 0 0 5 $$ IAZ035-302100- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 402 AM CDT Wed Sep 30 2026 Date Wed 09/30/26 Thu 10/01/26 Fri 10/02/26 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 60 65 48 63 Temp 66 68 71 72 69 66 65 64 62 63 63 64 60 56 54 50 48 55 60 63 58 Dewpt 65 67 68 69 68 66 65 64 62 60 57 53 50 47 45 43 41 44 43 43 45 RH 97 97 90 90 97100100100100 90 81 67 69 72 71 77 77 66 53 48 62 Wind dir S SW SW SW SE NE NE NE N N N N N N N N N N NE NE NE Wind spd 3 3 1 1 1 1 1 2 5 9 11 9 6 5 5 5 4 4 4 3 2 Clouds OV OV B2 OV OV OV OV OV OV OV OV OV OV B1 SC SC FW FW CL CL FW PoP 12hr 50 80 20 0 0 QPF 12hr 0.04 0.50 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L L C S Tstms S Obvis PF PF Flood A A A A A A A A A A A A A A Date Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 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 48 65 50 63 43 60 49 64 Temp 51 48 62 61 54 51 61 57 47 43 58 56 52 50 61 61 Dewpt 45 44 51 53 53 50 48 46 44 42 46 48 48 47 54 57 PWind dir SE S W N N SE S S Wind char LT LT LT LT LT LT LT GN Avg clouds FW SC FW FW SC FW FW FW FW FW FW FW FW SC SC SC PoP 12hr 0 0 5 0 0 0 0 5 $$ IAZ094-302100- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 402 AM CDT Wed Sep 30 2026 Date Wed 09/30/26 Thu 10/01/26 Fri 10/02/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 71 64 69 52 65 Temp 67 66 70 70 70 68 68 68 66 66 67 66 61 59 58 55 52 55 62 64 59 Dewpt 66 66 70 70 69 68 68 68 66 66 66 65 61 57 53 50 46 47 50 51 51 RH 97100100100 97100100100100100 97 97100 93 83 83 80 74 65 63 75 Wind dir S S S S SE SE SE S NE NE NE N N N N N N NE NE NE NE Wind spd 6 9 9 5 3 3 4 5 5 6 10 12 11 11 9 10 10 10 9 8 4 Wind gust 19 21 Clouds OV OV B2 OV OV B2 OV OV OV OV B2 OV OV OV B2 B1 SC FW CL CL FW PoP 12hr 100 80 90 50 0 QPF 12hr 0.75 0.65 0.87 0.28 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs D D D D L L D D L L L L C C Tstms S S S S C C C S S S Flood A A A A A A A A A A A A A A Date Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 48 66 52 66 46 62 48 66 Temp 52 48 64 60 55 52 64 59 50 46 60 56 51 49 63 61 Dewpt 48 46 54 55 53 51 56 53 48 44 50 51 48 46 55 56 PWind dir E SE W N NE E SE S Wind char LT LT LT LT LT LT LT GN Avg clouds FW FW FW FW FW FW FW FW CL CL FW CL FW FW SC SC PoP 12hr 0 0 0 0 0 0 0 0 $$ IAZ017-302100- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 402 AM CDT Wed Sep 30 2026 Date Wed 09/30/26 Thu 10/01/26 Fri 10/02/26 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 58 65 46 62 Temp 65 67 72 73 69 64 63 63 60 62 63 64 59 55 52 48 46 53 60 62 56 Dewpt 64 66 67 66 66 64 63 62 60 58 55 51 47 44 42 39 38 43 41 41 43 RH 97 97 84 79 90100100 97100 87 75 63 64 66 69 71 73 69 49 46 62 Wind dir SW SW SW SW SW W NW N N N N N N N N N N N N N NE Wind spd 3 4 2 3 2 2 1 2 3 9 11 10 6 5 5 5 4 5 5 3 2 Clouds OV B2 B2 B2 OV OV OV OV OV OV OV B2 B2 B1 B1 SC FW CL FW FW FW PoP 12hr 20 50 20 0 0 QPF 12hr 0.01 0.20 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S Obvis PF PF Date Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 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 45 64 47 62 40 59 46 63 Temp 49 46 61 60 53 48 60 56 45 41 57 54 51 48 60 60 Dewpt 42 42 48 49 50 48 46 42 40 38 42 44 45 44 51 52 PWind dir E S W N N SE S S Wind char LT LT LT LT LT LT LT GN Avg clouds FW SC SC SC SC SC FW FW CL FW FW FW FW SC SC SC PoP 12hr 0 5 10 0 0 0 0 5 $$ IAZ049-302100- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 402 AM CDT Wed Sep 30 2026 Date Wed 09/30/26 Thu 10/01/26 Fri 10/02/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 70 62 66 49 63 Temp 66 68 69 70 69 67 66 65 64 64 64 64 60 57 54 51 49 54 60 63 57 Dewpt 66 67 69 69 68 67 66 65 64 64 62 59 54 50 47 44 41 45 46 45 46 RH 100 97100 97 97100100100100100 93 84 81 77 77 77 74 71 60 52 67 Wind dir S S SW S S S S NE NE N N N N N N N N N N NE NE Wind spd 5 6 4 4 3 2 1 2 4 5 9 10 9 8 6 6 6 8 6 5 3 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 SC FW FW FW FW FW PoP 12hr 80 100 50 20 0 QPF 12hr 0.26 1.93 0.34 0.05 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S L D L D D C S C S S S Tstms S C S Obvis PF Flood A A A A A A A A A A A A A A Date Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 46 64 50 63 43 60 46 63 Temp 49 46 61 60 54 51 61 58 48 44 57 56 49 48 59 60 Dewpt 44 43 50 52 51 49 50 47 43 40 45 47 45 44 52 54 PWind dir E S W N N SE SE S Wind char LT LT LT LT LT LT LT GN Avg clouds FW FW FW FW SC FW FW FW FW CL FW FW FW FW SC SC PoP 12hr 0 0 5 0 0 0 0 5 $$ IAZ086-302100- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 402 AM CDT Wed Sep 30 2026 Date Wed 09/30/26 Thu 10/01/26 Fri 10/02/26 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 70 65 70 53 66 Temp 67 66 69 70 70 69 68 68 67 68 68 66 64 61 58 55 53 56 62 65 60 Dewpt 66 65 69 71 70 69 68 68 67 68 67 66 62 59 55 51 48 50 51 51 51 RH 97 97100103100100100100100100 97100 93 93 90 86 83 80 67 60 72 Wind dir S S SW SW S SE SE SE SW N N N N N N N N N NE NE NE Wind spd 9 10 9 6 3 3 2 4 5 5 6 9 10 8 6 8 8 9 8 6 3 Wind gust 20 Clouds OV OV OV B2 OV OV B2 OV OV OV OV B2 OV OV B2 B1 SC FW FW CL CL PoP 12hr 100 80 90 50 0 QPF 12hr 0.68 0.54 1.22 0.25 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs D D D D L C L D D D L L C C Tstms S S S S S C S Flood A A A A A A A A A A A A A A Date Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 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 48 66 52 66 45 62 47 65 Temp 51 48 62 61 54 52 62 60 50 46 58 56 49 48 60 60 Dewpt 48 47 53 54 53 52 56 52 48 44 49 50 47 46 54 55 PWind dir NE SE SW N N E SE S Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW FW CL FW FW FW FW SC SC PoP 12hr 0 0 5 0 0 0 0 0 $$