Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
471 FOUS53 KDMX 290627 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 127 AM CDT Tue Sep 29 2026 IAZ060-300900- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 127 AM CDT Tue Sep 29 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 Thu 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 58 75 65 72 62 Temp 59 59 65 72 74 71 68 67 67 66 68 69 70 70 68 68 66 63 Dewpt 54 54 56 61 65 64 65 66 66 66 66 68 69 68 68 68 66 63 RH 83 83 73 68 74 79 90 97 97100 93 97 97 93100100100100 Wind dir SE SE S S S S S S S S S S S S SE E N N Wind spd 4 4 8 10 10 9 8 6 6 9 9 9 6 4 3 3 3 5 Clouds SC B1 B2 B2 B2 OV OV OV OV OV B2 OV OV OV OV OV OV OV PoP 12hr 0 40 90 100 100 QPF 12hr 0 0.15 0.86 0.63 1.26 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L D D D D D D D D D D Tstms S S S C S S C C C C S Flood A A A A A A A A A A A A A Date 10/01 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 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 55 63 49 64 51 64 48 62 Temp 63 60 58 55 60 59 52 49 61 61 55 52 61 60 52 49 59 58 Dewpt 62 58 53 49 50 51 49 48 53 55 53 50 53 52 49 47 51 52 PWind dir N N NE E SE W N N SE Wind char GN GN GN LT LT LT LT LT LT Avg clouds OV OV B2 B1 SC FW FW SC SC SC SC SC FW FW FW FW FW FW PoP 12hr 90 40 5 0 5 5 0 5 0 Rain shwrs D L C C Tstms S $$ IAZ039-300900- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 127 AM CDT Tue Sep 29 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 55 71 62 71 60 Temp 56 55 62 68 71 69 66 65 64 63 66 68 70 69 66 66 64 61 Dewpt 54 53 55 58 61 63 63 63 64 63 66 67 67 66 66 66 64 61 RH 93 93 78 70 71 81 90 93100100100 97 90 90100100100100 Wind dir SE SE S S S S S S S S S S S S SW W N N Wind spd 4 5 9 11 11 10 9 6 8 8 9 10 9 5 3 2 3 4 Clouds B1 B1 B1 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 0 60 70 90 90 QPF 12hr 0 0.08 0.35 0.73 1.16 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L L L L L D D D D D D L Tstms S S S S S S Flood A A A A A A A A A A A A A Date 10/01 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 67 51 64 46 65 49 64 45 62 Temp 64 62 56 51 61 59 50 47 61 61 53 50 61 59 50 45 59 58 Dewpt 60 55 50 46 47 48 46 44 50 52 51 48 50 48 45 43 47 48 PWind dir N N NE E SE W N N SE Wind char GN GN GN LT LT LT GN LT LT Avg clouds OV OV B2 B1 SC SC FW FW SC SC SC SC FW FW FW FW SC FW PoP 12hr 70 30 5 0 5 5 0 5 0 Rain shwrs L C C $$ IAZ048-300900- Ames-Story IA 41.99N 93.62W Elev. 936 ft 127 AM CDT Tue Sep 29 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 Thu 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 57 73 63 71 61 Temp 58 57 63 70 72 69 67 66 66 64 67 68 70 69 68 67 65 62 Dewpt 54 54 56 61 65 65 66 66 66 64 67 68 69 68 68 67 65 62 RH 86 90 78 73 79 87 97100100100100100 97 97100100100100 Wind dir SE SE S S S S S S S S S S S S S N N N Wind spd 4 5 9 10 10 8 6 5 5 8 8 8 6 4 2 2 3 5 Clouds B1 B2 B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 0 70 80 90 100 QPF 12hr 0 0.20 0.54 0.78 1.34 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L L L L L L D D D D D D D L Tstms S S S C S S S S S S Flood A A A A A A A A A A A A A Date 10/01 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 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 53 64 47 65 50 64 47 62 Temp 63 59 57 53 61 58 52 48 61 60 54 51 61 58 52 47 59 57 Dewpt 60 56 51 47 49 50 48 47 52 54 53 50 52 51 49 46 50 51 PWind dir N N NE E SE W N N SE Wind char GN GN GN LT LT LT LT LT LT Avg clouds OV OV B2 B1 SC FW FW FW SC SC SC SC FW FW FW FW SC FW PoP 12hr 70 30 5 0 5 5 0 5 0 Rain shwrs L C S C $$ IAZ004-300900- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 127 AM CDT Tue Sep 29 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 66 61 70 57 Temp 58 59 61 63 65 65 64 63 63 62 65 69 69 67 63 62 59 57 Dewpt 57 57 58 61 63 64 64 63 63 62 65 66 66 65 63 61 58 54 RH 96 93 90 93 93 97100100100100100 90 90 93100 97 96 90 Wind dir S S S S S S S SW SW SE E NE N S SW NW N N Wind spd 6 9 13 13 13 10 8 5 3 1 2 3 2 2 2 3 9 12 Wind gust 24 25 Clouds B1 B2 B2 B2 OV OV OV B2 B2 OV B2 B2 OV B2 B2 B2 B2 OV PoP 12hr 0 90 30 40 40 QPF 12hr 0 0.31 0.03 0.18 0.20 Snow 12hr 00-00 00-00 00-00 Rain shwrs L D C C S S S C C C C C Tstms S S S Flood A A A A A A A A A A A A A Date 10/01 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 61 47 61 47 63 49 61 46 60 Temp 59 57 52 47 59 57 50 48 60 60 53 49 59 57 49 46 58 57 Dewpt 50 47 43 40 43 46 44 43 49 52 50 47 48 47 44 43 47 49 PWind dir N N NE SE S NW N NE S Wind char GN LT LT LT GN LT GN LT LT Avg clouds B2 B2 SC SC SC FW FW FW SC SC SC FW FW FW FW FW SC FW PoP 12hr 10 0 0 0 10 5 0 0 0 $$ IAZ035-300900- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 127 AM CDT Tue Sep 29 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 Thu 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 58 69 62 70 59 Temp 59 58 63 66 68 67 66 65 64 63 67 68 69 68 66 65 63 60 Dewpt 56 55 58 61 65 66 66 65 64 63 67 68 69 68 66 65 63 60 RH 90 90 84 84 90 97100100100100100100100100100100100100 Wind dir S S S S S S S S S S S S S S W N N N Wind spd 5 8 9 10 9 6 5 4 4 2 3 3 2 1 1 1 3 8 Clouds B1 B2 B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 0 90 60 90 80 QPF 12hr 0 0.18 0.26 0.61 0.91 Snow 12hr 00-00 00-00 00-00 Rain shwrs C D C L L C C C C L D D D L L C Tstms S S S C Flood A A A A A A A A A A A A A Date 10/01 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 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 50 63 46 64 49 63 46 61 Temp 61 58 54 50 60 57 50 48 61 60 53 49 60 58 50 47 59 57 Dewpt 56 52 48 44 47 48 47 46 51 54 52 49 51 50 48 45 49 51 PWind dir N N NE E S NW N NE SE Wind char GN LT LT LT LT LT LT LT LT Avg clouds OV OV B2 SC FW FW FW FW SC SC SC SC FW FW FW FW SC FW PoP 12hr 50 5 0 0 5 5 0 0 0 Rain shwrs C C $$ IAZ094-300900- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 127 AM CDT Tue Sep 29 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 76 64 73 63 Temp 59 59 64 73 76 72 68 67 66 65 67 71 72 70 68 68 67 64 Dewpt 55 54 56 62 64 64 65 66 66 65 66 68 70 69 68 68 67 64 RH 87 83 75 68 66 76 90 97100100 97 90 93 97100100100100 Wind dir SE SE S S S S S S S S S S S SE SE S S NE Wind spd 4 5 9 11 11 8 8 6 6 9 9 9 6 3 4 4 4 4 Clouds SC B1 B1 B1 B2 OV OV OV OV OV OV B2 B2 B2 B2 OV OV OV PoP 12hr 0 20 90 80 90 QPF 12hr 0 0.04 0.66 0.39 0.99 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L D D L L C L L D D D Tstms S S S C S C C C C C Flood A A A A A A A A A A A A A Date 10/01 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 67 55 63 49 65 51 66 48 64 Temp 66 61 59 55 62 59 53 50 63 60 55 51 64 59 52 48 62 58 Dewpt 66 61 57 51 54 53 51 49 55 57 54 51 55 54 50 47 53 53 PWind dir NE N NE NE E N N NE SE Wind char GN GN GN LT LT LT LT LT LT Avg clouds OV OV OV B2 SC SC SC SC B1 B1 B1 SC FW CL FW FW FW FW PoP 12hr 90 60 10 5 5 5 5 5 0 Rain shwrs D D L C Tstms C C $$ IAZ017-300900- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 127 AM CDT Tue Sep 29 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 Thu 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 55 68 60 71 57 Temp 57 56 62 65 67 66 64 64 63 61 66 68 69 68 64 63 61 58 Dewpt 55 53 56 58 61 63 64 64 63 61 66 67 67 65 64 63 61 58 RH 93 90 81 78 81 90100100100100100 97 93 90100100100100 Wind dir S S S S S S S S S S S S S S SW W NW N Wind spd 5 6 10 11 11 9 8 5 4 2 3 4 3 2 2 2 2 8 Clouds B2 B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 0 80 70 80 70 QPF 12hr 0 0.14 0.24 0.36 0.71 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L L L C C C C C L L L C C C Tstms S S S S Flood A A A A A A A A A A A A A Date 10/01 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 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 43 64 47 63 43 61 Temp 62 58 53 47 61 57 49 45 60 59 53 48 59 57 48 44 58 56 Dewpt 54 50 46 42 44 45 44 43 49 50 50 47 48 46 44 42 46 47 PWind dir N N NE E S W N N SE Wind char GN LT LT LT LT LT LT LT LT Avg clouds OV B2 B1 SC SC FW FW FW SC SC SC SC FW FW FW FW SC FW PoP 12hr 30 5 0 0 5 5 0 0 0 Rain shwrs C S $$ IAZ049-300900- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 127 AM CDT Tue Sep 29 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 55 72 62 70 61 Temp 57 55 62 68 71 69 66 65 64 63 66 67 69 68 66 66 64 62 Dewpt 54 53 55 59 63 63 63 64 64 63 66 67 68 67 66 66 64 62 RH 90 93 78 73 76 81 90 97100100100100 97 97100100100100 Wind dir SE SE S S S S S S S S S S S S S W N N Wind spd 4 5 8 9 10 8 8 5 6 8 8 8 6 4 3 2 3 5 Clouds B1 B1 B2 B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 0 50 80 100 100 QPF 12hr 0 0.09 0.58 0.71 1.19 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L D L D D D D D D D D Tstms S S S S S S S S S S Flood A A A A A A A A A A A A A Date 10/01 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 65 51 63 46 63 49 63 45 61 Temp 62 60 56 51 60 58 50 47 60 60 53 50 60 58 50 46 58 56 Dewpt 60 56 51 46 48 49 47 45 51 53 51 48 51 50 46 43 48 50 PWind dir N N NE E SE W N N SE Wind char GN GN LT LT LT LT LT LT LT Avg clouds OV OV B2 B1 SC FW FW FW SC SC SC SC FW FW FW FW SC FW PoP 12hr 80 30 5 0 5 5 0 0 0 Rain shwrs D C C C $$ IAZ086-300900- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 127 AM CDT Tue Sep 29 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 Thu 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 56 78 65 74 65 Temp 57 57 64 73 77 74 70 68 66 65 67 69 72 72 69 68 67 66 Dewpt 53 52 56 61 64 64 63 64 65 65 66 68 70 70 69 68 67 66 RH 86 83 75 66 64 71 78 87 97100 97 97 93 93100100100100 Wind dir SE SE S S S S S S SE S S S S SE SE S S SE Wind spd 5 5 8 9 10 6 6 5 6 8 9 9 6 3 3 3 3 3 Clouds FW SC B1 B1 B1 B2 OV OV OV OV OV B2 B1 B2 B2 B2 OV OV PoP 12hr 0 10 80 80 90 QPF 12hr 0 0 0.41 0.62 0.84 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L D D L L C C C D D D Tstms S S S S S S C C C C Date 10/01 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 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 70 57 65 49 66 51 66 48 64 Temp 67 64 60 57 61 60 53 50 61 62 56 52 62 61 52 48 60 59 Dewpt 66 64 60 53 55 55 52 49 55 57 55 52 56 55 51 47 53 54 PWind dir NE N NE NE E NW N N E Wind char LT GN GN LT LT LT LT LT LT Avg clouds OV OV OV B2 B1 SC SC FW SC SC SC SC SC FW FW FW FW FW PoP 12hr 90 70 20 5 5 5 5 0 0 Rain shwrs D D L C S Tstms C S $$