Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
776 FOUS53 KDMX 011157 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 657 AM CDT Thu Oct 1 2026 IAZ060-012100- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 657 AM CDT Thu Oct 1 2026 Date Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 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 67 50 62 46 67 Temp 67 65 65 65 60 58 55 52 50 55 60 62 57 52 49 47 46 54 64 67 61 Dewpt 66 62 62 62 56 51 48 45 43 45 45 46 48 47 46 45 45 48 51 53 54 RH 97 90 90 90 87 77 77 77 77 69 58 56 72 83 89 93 96 80 63 61 78 Wind dir N NE N N N N N N N NE NE NE NE E E SE SE S S S S Wind spd 10 10 11 12 10 9 8 8 6 8 6 5 3 3 2 2 3 5 8 9 4 Wind gust 21 21 20 Clouds OV OV OV B2 B2 B1 B1 FW CL CL CL CL CL CL CL FW FW CL CL FW FW PoP 12hr 50 10 0 0 0 QPF 12hr 0.06 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle C C Rain shwrs C C C S S Tstms Flood A A A A A A Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 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 53 68 46 64 50 67 57 72 Temp 55 53 65 61 52 47 62 58 52 50 64 63 59 58 70 67 Dewpt 53 52 55 53 48 44 48 50 49 48 55 58 56 55 61 61 PWind dir SW N N E SE S S W Wind char LT LT LT LT LT GN LT LT Avg clouds FW FW FW CL FW CL FW CL CL FW FW SC SC SC SC FW PoP 12hr 0 0 0 0 0 0 5 5 $$ IAZ039-012100- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 657 AM CDT Thu Oct 1 2026 Date Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 66 47 62 44 66 Temp 63 63 65 64 60 57 54 50 47 53 59 62 57 50 47 46 44 54 62 66 61 Dewpt 62 61 61 57 51 47 44 42 41 44 45 44 45 45 43 43 43 48 50 51 51 RH 97 93 87 78 72 69 69 74 79 71 60 52 64 83 86 89 96 80 65 58 70 Wind dir NE NE N N N N N N N N N N N E E SE SE S S S S Wind spd 9 8 11 13 10 9 8 8 8 9 8 5 3 2 2 2 4 8 11 11 6 Clouds OV OV OV B2 B2 B2 B1 FW CL CL CL CL CL FW FW FW FW FW FW FW FW PoP 12hr 70 5 0 0 0 QPF 12hr 0.08 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C S Tstms Flood A A A A A A Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 50 67 44 63 47 65 54 71 Temp 54 51 65 61 49 44 60 58 50 48 62 62 58 55 68 65 Dewpt 52 51 54 49 45 41 45 45 45 45 52 54 53 53 58 57 PWind dir SW NW N E SE S S W Wind char LT GN LT LT LT GN GN LT Avg clouds FW SC FW FW FW FW FW CL CL CL SC SC SC SC SC SC PoP 12hr 0 0 0 0 0 0 5 5 $$ IAZ048-012100- Ames-Story IA 41.99N 93.62W Elev. 936 ft 657 AM CDT Thu Oct 1 2026 Date Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 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 66 48 63 45 66 Temp 65 64 66 64 59 57 54 50 48 55 60 63 57 51 48 46 45 54 63 66 61 Dewpt 64 62 61 59 53 49 46 44 42 44 45 45 47 46 46 45 45 49 51 53 54 RH 97 93 84 84 80 75 74 80 80 66 58 52 69 83 93 96100 83 65 63 78 Wind dir NE NE N N N N N N N N NE NE NE E SE SE SE S S S S Wind spd 11 9 11 12 10 9 6 6 6 6 6 4 2 2 1 2 3 6 9 10 5 Wind gust 23 19 21 24 Clouds OV OV OV B2 B2 B2 SC FW CL FW CL CL FW FW FW FW FW FW FW FW FW PoP 12hr 40 5 0 0 0 QPF 12hr 0.03 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle C C Rain shwrs S Tstms Flood A A A A A A Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 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 53 67 45 63 49 66 56 72 Temp 56 53 65 60 51 45 61 57 52 50 64 63 59 56 69 66 Dewpt 54 53 54 51 47 43 47 50 49 48 55 58 57 56 60 60 PWind dir SW N N E SE S SW NW Wind char LT LT LT LT LT GN LT LT Avg clouds FW FW FW FW FW FW FW CL CL FW SC SC SC B1 SC SC PoP 12hr 0 0 0 0 0 5 5 5 $$ IAZ004-012100- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 657 AM CDT Thu Oct 1 2026 Date Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 63 44 60 47 66 Temp 60 59 62 62 58 54 50 46 44 53 58 59 57 51 50 49 47 55 63 66 62 Dewpt 57 51 46 44 43 40 38 37 37 40 39 38 41 40 40 41 43 45 48 50 52 RH 90 75 56 52 57 59 63 71 76 61 49 45 55 66 68 74 86 69 58 56 70 Wind dir N N N N N N N N N N NE E SE SE S S S S S SW SW Wind spd 13 18 17 14 9 6 6 6 5 3 3 2 2 4 5 9 11 17 19 16 8 Wind gust 25 29 28 31 26 Clouds B2 OV B2 B1 SC SC FW CL FW FW FW SC FW FW FW FW FW FW FW FW SC PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 52 63 43 62 51 67 56 69 Temp 56 52 62 58 48 44 60 58 53 53 64 64 59 56 68 64 Dewpt 53 49 48 46 42 40 44 47 48 48 54 57 56 53 55 54 PWind dir W N N SE S S SW NW Wind char LT GN LT LT GN BZ GN LT Avg clouds SC FW FW FW CL CL FW FW CL FW SC SC SC SC SC FW PoP 12hr 5 0 0 0 0 5 5 5 $$ IAZ035-012100- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 657 AM CDT Thu Oct 1 2026 Date Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 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 65 46 62 45 66 Temp 63 65 65 63 58 55 53 48 46 54 61 62 57 51 48 47 45 55 63 66 62 Dewpt 63 62 57 52 49 46 43 41 40 43 43 42 45 44 44 44 44 48 50 52 54 RH 100 90 75 67 72 72 69 77 79 66 51 48 64 77 86 89 96 77 62 61 75 Wind dir NE N N N N N N N N N NE NE E SE SE SE S S S S S Wind spd 5 9 13 12 8 6 6 5 4 4 3 2 1 2 2 3 4 9 12 11 5 Clouds OV OV OV B2 B2 B1 FW FW FW FW CL CL FW FW FW FW FW FW FW FW FW PoP 12hr 40 0 0 0 0 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle C S Rain shwrs Flood A A A A A A Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 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 52 66 43 64 50 67 56 71 Temp 56 52 64 60 49 44 61 57 53 51 64 63 59 57 68 65 Dewpt 55 52 52 49 45 42 47 49 49 48 55 58 57 55 59 58 PWind dir SW N N SE S S SW NW Wind char LT LT LT LT LT GN LT LT Avg clouds SC FW FW FW CL FW FW CL CL FW SC SC SC B1 SC SC PoP 12hr 0 0 0 0 0 5 5 0 $$ IAZ094-012100- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 657 AM CDT Thu Oct 1 2026 Date Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 69 50 63 45 66 Temp 69 67 66 66 61 58 56 54 50 55 62 63 57 51 48 47 45 55 64 66 60 Dewpt 67 66 64 65 61 56 51 47 44 45 47 48 49 48 46 46 44 49 52 53 54 RH 93 97 93 97100 93 83 77 80 69 58 58 75 89 93 96 96 80 65 63 81 Wind dir SW N N N N N N N N NE NE NE NE E E E SE SE S S S Wind spd 6 9 12 13 13 12 10 10 10 10 9 8 3 3 3 3 3 5 6 6 3 Wind gust 17 19 23 26 25 23 Clouds OV OV OV OV OV B2 B1 SC FW CL CL CL CL CL CL FW FW CL CL CL FW PoP 12hr 80 40 0 0 0 QPF 12hr 0.31 0.02 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C D L L C Tstms S Flood A A A A A A Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 51 69 46 65 49 68 56 73 Temp 54 51 67 62 53 47 63 58 51 49 65 62 58 56 70 66 Dewpt 52 51 57 56 51 45 50 52 49 48 56 58 55 54 62 62 PWind dir SW N N E SE S S W Wind char LT LT LT LT LT GN LT LT Avg clouds FW FW FW CL CL FW FW CL CL FW FW FW SC SC SC FW PoP 12hr 0 0 0 0 0 0 5 5 $$ IAZ017-012100- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 657 AM CDT Thu Oct 1 2026 Date Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 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 64 44 62 43 65 Temp 63 64 63 62 57 54 51 47 44 52 59 62 56 50 48 45 44 54 62 65 61 Dewpt 62 61 56 49 46 43 40 39 38 42 41 41 42 41 41 41 42 46 48 49 50 RH 97 90 78 62 67 66 66 74 79 69 51 46 59 71 77 86 93 74 60 56 67 Wind dir NE N N N N N N N N N N N N SE SE SE S S S S S Wind spd 3 9 13 13 9 8 8 6 4 4 4 2 0 1 2 3 5 10 13 12 6 Wind gust 24 24 Clouds OV OV OV B1 B1 SC SC FW CL CL CL FW FW FW FW FW FW FW FW FW SC PoP 12hr 50 0 0 0 0 QPF 12hr 0.02 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle C S Rain shwrs Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 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 65 42 62 46 66 52 70 Temp 55 50 63 58 47 42 60 57 51 49 63 62 58 54 68 64 Dewpt 53 50 50 46 42 39 43 45 46 45 52 54 55 53 56 54 PWind dir SW N N SE S S SW NW Wind char LT LT LT LT LT GN LT LT Avg clouds SC FW FW FW FW FW FW CL CL FW SC SC SC SC SC SC PoP 12hr 5 0 0 0 0 5 5 5 $$ IAZ049-012100- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 657 AM CDT Thu Oct 1 2026 Date Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 66 48 62 43 65 Temp 66 63 65 64 59 56 54 50 48 53 59 62 56 49 46 45 43 54 62 65 60 Dewpt 64 61 60 59 53 48 45 43 41 44 45 45 46 44 44 43 43 48 50 51 53 RH 93 93 84 84 80 74 71 77 77 71 60 54 69 83 93 93100 80 65 60 78 Wind dir NE NE N N N N N N N N N N NE E E SE SE S S S S Wind spd 10 9 10 13 10 9 8 8 6 8 5 4 2 2 2 2 3 6 9 9 4 Wind gust 20 Clouds OV OV OV B2 B2 B1 B1 FW CL CL CL CL CL CL FW FW FW FW FW FW FW PoP 12hr 60 5 0 0 0 QPF 12hr 0.06 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C C S Tstms Flood A A A A A A Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 50 66 44 63 47 65 54 71 Temp 54 51 64 60 49 44 60 57 50 49 62 62 58 56 68 65 Dewpt 51 51 54 51 45 42 46 48 46 46 53 55 54 53 59 58 PWind dir SW N N E SE S S W Wind char LT LT LT LT LT GN LT LT Avg clouds FW FW FW FW CL FW CL CL CL CL FW SC SC SC SC SC PoP 12hr 0 0 0 0 0 0 5 5 $$ IAZ086-012100- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 657 AM CDT Thu Oct 1 2026 Date Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 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 51 63 45 66 Temp 69 69 67 67 63 60 57 53 51 56 61 63 57 52 49 47 45 55 63 66 60 Dewpt 69 67 65 67 63 59 54 50 46 47 48 49 51 49 48 46 45 51 52 52 54 RH 100 93 93100100 96 90 89 83 72 62 60 80 89 96 96100 86 67 61 81 Wind dir SW SW N N N N N N N N N N NE NE E E SE SE S S SE Wind spd 8 6 11 12 11 10 9 9 8 9 8 6 3 3 3 2 2 4 5 5 2 Wind gust 20 17 21 23 20 19 Clouds OV OV OV B2 OV B2 B2 SC FW CL CL CL CL CL CL CL FW CL CL CL FW PoP 12hr 90 40 0 0 0 QPF 12hr 0.56 0.02 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L D D C C Tstms S Flood A A A A A A Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 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 51 69 46 64 47 67 56 72 Temp 54 51 66 62 53 46 62 58 50 48 64 63 58 57 70 67 Dewpt 52 51 58 56 51 46 49 51 49 47 54 57 54 53 62 63 PWind dir SW NW N NE SE S S W Wind char LT LT LT LT LT GN LT LT Avg clouds FW FW FW CL CL CL FW CL CL CL FW FW FW SC SC FW PoP 12hr 0 0 0 0 0 0 5 10 $$