Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
868 FOUS53 KDMX 292018 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 318 PM CDT Tue Sep 29 2026 IAZ060-300900- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 318 PM CDT Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri 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 72 63 66 54 Temp 70 67 67 67 68 68 69 70 70 69 68 66 65 65 64 64 63 60 59 57 56 54 Dewpt 63 64 66 67 68 68 69 70 70 68 68 66 65 65 64 64 62 58 56 53 50 47 RH 78 90 97100100100100100100 97100100100100100100 97 93 90 86 80 77 Wind dir S S S S S S S S S S S E E NE N N N N N N N N Wind spd 9 8 8 6 5 5 5 6 4 3 3 2 3 5 8 10 11 10 9 8 8 9 Clouds B2 OV OV OV OV OV B2 OV OV OV B2 B2 B2 OV OV OV OV OV OV B2 B1 FW PoP 12hr 80 80 100 80 40 QPF 12hr 0.52 0.53 1.25 0.97 0.13 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L C L D L L D L L L D D D D L L C C Tstms S S S S S C C C S Flood A A A A A A A A A A A A A A A A A A Date 10/02 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 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 64 49 65 52 65 48 63 51 66 Temp 61 59 52 49 62 60 54 52 62 60 52 48 59 58 53 51 62 62 Dewpt 49 50 47 46 52 54 52 50 53 52 48 45 49 50 48 47 54 56 PWind dir NE E SE W N N E SE S Wind char GN LT LT LT LT LT LT LT GN Avg clouds FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC PoP 12hr 0 0 0 0 0 0 0 0 5 $$ IAZ039-300900- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 318 PM CDT Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 72 60 65 50 Temp 70 66 65 65 65 64 68 69 71 69 65 64 63 62 63 63 64 60 58 56 52 50 Dewpt 60 62 64 65 65 64 68 69 68 68 65 64 63 62 63 62 58 56 53 50 46 44 RH 71 87 97100100100100100 90 97100100100100100 97 81 87 83 80 80 80 Wind dir S S S S S S S S S S S SW NW NE N N N N N N N N Wind spd 10 9 9 6 6 4 4 4 4 3 2 2 2 4 8 10 11 10 9 8 9 10 Clouds OV OV OV B2 OV B2 OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 FW PoP 12hr 60 60 90 60 20 QPF 12hr 0.27 0.30 0.89 0.54 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L C C C C L C D D D L L C C S S Tstms S S Flood A A A A A A A A A A A A A A A A A A Date 10/02 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 64 46 64 49 64 44 61 47 64 Temp 61 59 49 46 62 60 53 49 61 59 49 44 58 57 50 48 61 61 Dewpt 46 47 45 43 49 51 50 49 51 48 44 41 46 46 46 45 52 53 PWind dir N E S W N N E SE S Wind char GN LT LT LT LT LT LT LT GN Avg clouds FW FW CL FW FW SC SC FW SC FW FW FW FW FW FW FW SC SC PoP 12hr 0 0 0 5 0 0 0 0 5 $$ IAZ048-300900- Ames-Story IA 41.99N 93.62W Elev. 936 ft 318 PM CDT Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri 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 64 72 61 66 52 Temp 68 66 66 66 66 66 68 70 70 69 67 65 64 63 63 63 64 60 58 56 54 52 Dewpt 62 63 65 66 66 66 68 70 70 68 67 65 64 63 63 62 60 56 54 51 48 45 RH 81 90 97100100100100100100 97100100100100100 97 87 87 86 83 80 77 Wind dir S S S S S S S S S S S SE NE NE N N N N N N N N Wind spd 8 8 8 4 3 2 3 4 3 2 1 1 3 5 8 10 10 9 8 6 8 8 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 FW PoP 12hr 60 70 90 60 30 QPF 12hr 0.30 0.62 1.29 0.75 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L L L C C L L L L L D C L L C C C C Tstms S C C S S S S S Flood A A A A A A A A A A A A A A A A A A Date 10/02 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 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 64 47 64 50 64 46 62 50 65 Temp 61 58 50 48 62 60 54 51 62 59 50 47 59 57 53 50 61 62 Dewpt 47 49 47 45 51 54 53 50 52 51 47 44 48 50 48 47 54 57 PWind dir NE E S W N N SE SE S Wind char LT LT LT LT LT LT LT LT GN Avg clouds FW FW FW FW FW SC SC FW FW FW FW FW FW FW FW SC SC SC PoP 12hr 0 0 0 5 0 0 0 0 5 $$ IAZ004-300900- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 318 PM CDT Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 73 56 63 48 Temp 64 65 64 63 62 62 65 71 73 69 63 61 60 58 59 62 62 58 54 52 50 48 Dewpt 62 63 64 63 62 62 64 64 63 63 62 60 58 55 53 50 48 46 43 41 40 39 RH 93 93100100100100 97 79 71 81 97 97 93 90 80 65 60 64 66 66 68 71 Wind dir S S S SW SW SW W S NW SW SW W N N N N N N N N N N Wind spd 14 10 8 5 3 2 2 2 2 2 2 3 5 10 12 13 12 9 8 8 8 5 Clouds OV OV OV B2 B2 B2 B2 B2 OV OV OV OV B2 B2 B2 B2 B2 B1 B1 SC FW SC PoP 12hr 30 10 20 10 0 QPF 12hr 0.01 0 0.02 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S Flood A A A A A A A A A A A A A A A A A A Date 10/02 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 61 47 63 49 61 44 60 50 65 Temp 59 57 50 47 60 59 54 49 59 57 48 45 58 57 54 51 62 62 Dewpt 41 43 41 42 48 51 50 46 47 45 42 40 44 46 47 46 52 55 PWind dir NE SE S NW N N SE S S Wind char LT LT GN LT GN LT LT GN BZ Avg clouds FW FW FW SC SC SC SC FW FW FW FW FW SC FW FW SC B1 SC PoP 12hr 0 0 10 10 0 0 0 5 10 $$ IAZ035-300900- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 318 PM CDT Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri 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 73 58 63 49 Temp 67 66 66 65 64 64 67 71 72 70 66 64 63 60 61 62 62 58 56 54 51 49 Dewpt 62 64 65 65 64 64 67 68 68 68 66 64 63 60 60 58 55 53 50 47 45 42 RH 84 93 97100100100100 90 87 93100100100100 97 87 78 83 80 77 80 77 Wind dir S S S S S SE SE E E S SW N NE N N N N N N N N N Wind spd 12 10 6 3 2 1 1 1 1 1 1 1 2 4 9 10 9 6 6 5 6 5 Clouds B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 SC FW PoP 12hr 30 40 80 40 10 QPF 12hr 0.07 0.20 0.67 0.44 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C S C S S C C C C D C C C C C Tstms S S S Flood A A A A A A A A A A A A A A A A A A Date 10/02 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 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 63 46 64 49 64 45 61 50 65 Temp 61 58 49 47 61 60 54 50 61 58 49 45 59 57 53 51 62 62 Dewpt 44 47 45 44 50 53 52 49 50 49 45 43 46 49 49 47 54 57 PWind dir NE E S W N NE SE SE S Wind char LT LT LT LT LT LT LT LT GN Avg clouds FW CL CL FW SC SC SC SC SC FW FW FW SC FW FW SC B1 SC PoP 12hr 0 0 5 10 0 0 0 0 5 $$ IAZ094-300900- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 318 PM CDT Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 65 74 63 68 54 Temp 74 69 67 68 67 67 69 71 72 71 69 68 67 65 65 67 66 62 60 58 56 54 Dewpt 64 65 67 68 67 67 68 70 70 69 68 68 67 65 65 67 65 62 59 57 54 49 RH 71 87100100100100 97 97 93 93 97100100100100100 97100 96 96 93 83 Wind dir S S S S S S S S S SE SE S S NE NE NE NE NE N N N N Wind spd 8 5 6 8 8 9 8 8 5 3 3 3 4 5 6 9 11 12 11 10 11 12 Wind gust 23 Clouds B2 OV OV OV B2 OV OV B2 OV B2 B2 B2 B2 OV OV OV OV OV OV B2 B2 B1 PoP 12hr 90 70 90 100 70 QPF 12hr 0.88 0.56 0.92 1.51 0.32 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L L D L L L C C C D D D D D D L L S S Tstms C C S S S S S C C C C C S C C Flood A A A A A A A A A A A A A A A A A A Date 10/02 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 65 49 66 51 67 48 64 50 67 Temp 63 58 51 49 63 60 54 51 64 61 52 48 62 58 53 50 64 62 Dewpt 52 52 49 46 54 55 53 50 55 54 50 46 51 52 48 47 56 57 PWind dir NE NE SE W N NE E SE S Wind char GN LT LT LT LT LT LT LT GN Avg clouds SC FW FW FW FW FW FW FW FW FW FW FW FW CL FW SC SC SC PoP 12hr 0 0 0 5 0 0 0 0 0 $$ IAZ017-300900- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 318 PM CDT Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri 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 73 56 63 47 Temp 65 64 64 64 63 63 66 71 73 69 64 62 60 58 60 62 62 57 55 53 49 47 Dewpt 60 62 63 64 63 63 66 67 66 65 64 62 60 58 58 55 52 50 47 44 42 40 RH 84 93 97100100100100 87 79 87100100100100 93 78 70 77 74 71 77 76 Wind dir S S SW S SW S SW S S SE S NW N N N N N N N N N N Wind spd 11 11 9 5 3 2 2 2 2 2 1 1 2 4 8 10 10 6 6 5 6 5 Clouds OV OV OV OV OV OV B2 OV OV OV OV OV OV OV B2 OV B2 B2 B2 B1 SC FW PoP 12hr 50 40 40 40 20 QPF 12hr 0.02 0.02 0.37 0.12 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C S S C S C C C C C C C S S Tstms S S S Flood A A A A A A A A A A A A A A A A A A Date 10/02 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 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 62 43 63 46 63 42 61 46 64 Temp 60 57 48 44 61 58 52 47 60 57 47 42 58 56 51 47 61 61 Dewpt 42 44 42 42 47 49 50 47 48 45 42 40 44 45 45 44 51 52 PWind dir N E S W N N SE SE S Wind char LT LT LT LT LT LT LT LT GN Avg clouds FW FW FW SC SC SC SC SC SC FW CL FW SC FW FW SC SC SC PoP 12hr 0 0 5 20 0 0 0 0 10 Rain shwrs S $$ IAZ049-300900- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 318 PM CDT Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 72 60 65 50 Temp 70 66 65 65 65 65 68 69 70 69 66 64 64 62 62 63 63 60 58 55 53 50 Dewpt 60 62 64 65 65 65 68 69 68 68 66 64 64 62 62 62 59 56 53 50 47 44 RH 71 87 97100100100100100 93 97100100100100100 97 87 87 83 83 80 80 Wind dir S S S S S S SW S S S S SW NE NE N N N N N N N N Wind spd 9 8 8 5 4 3 3 4 4 3 2 1 2 4 6 9 10 9 8 6 8 9 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 FW PoP 12hr 60 80 90 70 30 QPF 12hr 0.45 0.52 1.35 0.81 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C L L L C C L D L L D D L L C C C C Tstms S S S S S S S Flood A A A A A A A A A A A A A A A A A A Date 10/02 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 63 46 63 49 63 44 60 47 63 Temp 60 57 49 46 61 59 52 49 60 58 49 45 58 56 50 48 60 60 Dewpt 47 48 45 43 50 52 51 48 51 50 45 42 46 48 46 45 52 55 PWind dir N E SE W N N E SE S Wind char LT LT LT LT LT LT LT LT GN Avg clouds FW FW CL FW FW SC SC FW FW FW FW CL FW FW FW FW SC SC PoP 12hr 0 0 0 5 0 0 0 0 5 $$ IAZ086-300900- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 318 PM CDT Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri 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 72 64 69 55 Temp 78 72 69 67 68 68 69 70 71 70 69 67 67 66 67 67 67 64 62 59 57 55 Dewpt 59 61 65 67 68 68 69 70 71 70 69 67 67 66 67 67 66 64 62 59 56 52 RH 52 68 87100100100100100100100100100100100100100 97100100100 96 90 Wind dir S SE S S S S S S S S SE SE S E S N N N N N N N Wind spd 11 5 5 6 8 9 8 8 5 3 3 2 3 4 5 6 9 9 8 8 9 9 Wind gust 19 Clouds B2 B2 OV OV OV OV OV OV B2 B2 B2 B2 B2 OV OV OV OV OV OV B2 B2 B1 PoP 12hr 100 70 90 90 70 QPF 12hr 0.73 0.53 0.76 1.47 0.37 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C D L C L C C C D L D D D D L L S S Tstms S S S S S S S C C S S Flood A A A A A A A A A A A A A A A A A A Date 10/02 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 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 66 49 66 51 66 47 63 50 66 Temp 62 59 52 49 62 61 53 51 62 60 51 47 60 58 51 50 61 62 Dewpt 54 53 50 47 54 56 53 51 56 55 50 46 51 52 48 47 56 57 PWind dir N NE SE SW N N E SE SE Wind char GN LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW FW FW FW FW SC FW CL CL FW FW FW FW SC SC PoP 12hr 0 0 0 5 0 0 0 0 0 $$