Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
956 FOUS53 KDMX 291633 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 1132 AM CDT Tue Sep 29 2026 IAZ060-292100- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 1132 AM CDT Tue Sep 29 2026 Date Tue 09/29/26 Wed 09/30/26 Thu 10/01/26 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 75 65 72 62 66 Temp 71 70 71 68 67 67 66 68 69 70 70 68 68 66 63 65 63 64 60 Dewpt 61 64 64 65 66 66 66 66 68 69 68 68 68 66 63 64 62 62 58 RH 71 81 79 90 97 97100 93 97 97 93100100100100 97 97 93 93 Wind dir S S S S S S S S S S S S E E N N N N N Wind spd 10 9 8 8 6 5 5 5 6 4 3 3 2 3 5 8 10 11 11 Clouds B2 B2 OV OV OV OV OV B2 OV OV OV B2 B2 B2 OV OV OV OV OV PoP 12hr 70 80 80 100 90 QPF 12hr 0.15 0.86 0.63 1.26 0.80 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L L C L D L L D L L L D D D D L L 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 Date Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 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 55 63 49 64 51 64 48 62 Temp 58 55 60 59 52 49 61 61 55 52 61 60 52 49 59 58 Dewpt 53 49 50 51 49 48 53 55 53 50 53 52 49 47 51 52 PWind dir N NE E SE W N N SE Wind char GN GN LT LT LT LT LT LT Avg clouds B2 B1 SC FW FW SC SC SC SC SC FW FW FW FW FW FW PoP 12hr 40 5 0 5 5 0 5 0 Rain shwrs C C $$ IAZ039-292100- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 1132 AM CDT Tue Sep 29 2026 Date Tue 09/29/26 Wed 09/30/26 Thu 10/01/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 71 62 71 60 67 Temp 69 69 69 66 65 64 63 66 68 70 69 66 66 64 61 64 64 65 62 Dewpt 57 62 63 63 63 64 63 66 67 67 66 66 66 64 61 62 60 58 55 RH 66 78 81 90 93100100100 97 90 90100100100100 93 87 78 78 Wind dir S S S S S S S S S S S S SW NW N N N N N Wind spd 11 11 11 10 6 6 4 4 4 4 3 2 2 2 4 9 10 11 11 Clouds B2 OV OV OV B2 OV B2 OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 40 60 60 90 70 QPF 12hr 0.08 0.35 0.73 1.16 0.58 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L C C C C L C D D D L L C C C Tstms S S S Flood A A A A A A A A A A A A A A A A A Date Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 51 64 46 65 49 64 45 62 Temp 56 51 61 59 50 47 61 61 53 50 61 59 50 45 59 58 Dewpt 50 46 47 48 46 44 50 52 51 48 50 48 45 43 47 48 PWind dir N NE E SE W N N SE Wind char GN GN LT LT LT GN LT LT Avg clouds B2 B1 SC SC FW FW SC SC SC SC FW FW FW FW SC FW PoP 12hr 30 5 0 5 5 0 5 0 Rain shwrs C $$ IAZ048-292100- Ames-Story IA 41.99N 93.62W Elev. 936 ft 1132 AM CDT Tue Sep 29 2026 Date Tue 09/29/26 Wed 09/30/26 Thu 10/01/26 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 63 71 61 66 Temp 69 67 69 67 66 66 64 67 68 70 69 68 67 65 62 63 63 63 59 Dewpt 60 64 65 66 66 66 64 67 68 69 68 68 67 65 62 63 60 60 56 RH 73 90 87 97100100100100100 97 97100100100100100 90 90 90 Wind dir S S S S S S S S S S S S SE NE N N N N N Wind spd 10 9 8 6 4 3 2 3 4 3 2 1 1 3 5 9 10 11 10 Clouds B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 70 60 70 100 70 QPF 12hr 0.20 0.54 0.78 1.34 0.61 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L L L C C L L L L L D C L L C C S Tstms S C C S S S C S Flood A A A A A A A A A A A A A A A A A Date Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 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 64 47 65 50 64 47 62 Temp 57 53 61 58 52 48 61 60 54 51 61 58 52 47 59 57 Dewpt 51 47 49 50 48 47 52 54 53 50 52 51 49 46 50 51 PWind dir N NE E SE W N N SE Wind char GN GN LT LT LT LT LT LT Avg clouds B2 B1 SC FW FW FW SC SC SC SC FW FW FW FW SC FW PoP 12hr 30 5 0 5 5 0 5 0 Rain shwrs S C $$ IAZ004-292100- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 1132 AM CDT Tue Sep 29 2026 Date Tue 09/29/26 Wed 09/30/26 Thu 10/01/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 66 61 70 57 61 Temp 62 65 65 64 63 63 62 65 69 69 67 63 62 59 57 58 59 60 57 Dewpt 60 63 64 64 63 63 62 65 66 66 65 63 61 58 54 52 50 48 47 RH 93 93 97100100100100100 90 90 93100 97 96 90 80 72 64 69 Wind dir S S S SW SW SW SW W S NW SW SW W N N N N N N Wind spd 14 13 11 9 5 3 2 2 2 2 2 2 3 5 12 12 13 12 9 Wind gust 26 24 Clouds OV OV OV OV B2 B2 B2 B2 B2 OV OV OV OV B2 OV B2 B2 B1 B1 PoP 12hr 80 30 10 30 10 QPF 12hr 0.19 0.03 0.18 0.20 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs D C C S S Tstms S Flood A A A A A A A A A A A A A A A A A Date Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 47 61 47 63 49 61 46 60 Temp 52 47 59 57 50 48 60 60 53 49 59 57 49 46 58 57 Dewpt 43 40 43 46 44 43 49 52 50 47 48 47 44 43 47 49 PWind dir N NE SE S NW N NE S Wind char LT LT LT GN LT GN LT LT Avg clouds SC SC SC FW FW FW SC SC SC FW FW FW FW FW SC FW PoP 12hr 0 0 0 10 5 0 0 0 $$ IAZ035-292100- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 1132 AM CDT Tue Sep 29 2026 Date Tue 09/29/26 Wed 09/30/26 Thu 10/01/26 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 62 70 59 63 Temp 66 66 67 66 65 64 63 67 68 69 68 66 65 63 60 61 61 61 58 Dewpt 60 64 66 66 65 64 63 67 68 69 68 66 65 63 60 59 56 55 52 RH 81 93 97100100100100100100100100100100100100 93 84 81 80 Wind dir S S S S S S SE SE E E S SW N NE N N N N N Wind spd 11 10 8 5 3 2 1 1 1 1 1 1 1 2 8 10 11 10 8 Wind gust 20 Clouds B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 PoP 12hr 80 30 40 80 50 QPF 12hr 0.18 0.26 0.61 0.91 0.35 Snow 12hr 00-00 00-00 00-00 Rain shwrs D C C C S C S S C C C C D C C C C C Tstms S S S S Flood A A A A A A A A A A A A A A A A A Date Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 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 63 46 64 49 63 46 61 Temp 54 50 60 57 50 48 61 60 53 49 60 58 50 47 59 57 Dewpt 48 44 47 48 47 46 51 54 52 49 51 50 48 45 49 51 PWind dir N NE E S NW N NE SE Wind char LT LT LT LT LT LT LT LT Avg clouds B2 SC FW FW FW FW SC SC SC SC FW FW FW FW SC FW PoP 12hr 5 0 0 5 5 0 0 0 $$ IAZ094-292100- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 1132 AM CDT Tue Sep 29 2026 Date Tue 09/29/26 Wed 09/30/26 Thu 10/01/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 64 73 63 67 Temp 73 74 72 68 67 66 65 67 71 72 70 68 68 67 64 66 66 65 61 Dewpt 62 65 64 65 66 66 65 66 68 70 69 68 68 67 64 66 66 65 61 RH 68 74 76 90 97100100 97 90 93 97100100100100100100100100 Wind dir S S S S S S S S S S SE SE S S NE NE NE N N Wind spd 11 10 8 8 8 8 9 8 8 5 3 3 3 4 4 8 10 10 12 Wind gust 24 Clouds B1 B2 OV OV OV B2 OV OV B2 OV B2 B2 B2 B2 OV OV OV OV OV PoP 12hr 60 90 70 90 90 QPF 12hr 0.04 0.66 0.39 0.99 1.18 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L L D L L L C C C D D D D D D L Tstms C C S S S S S C C C C C S C S Flood A A A A A A A A A A A A A A A A A Date Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 55 63 49 65 51 66 48 64 Temp 59 55 62 59 53 50 63 60 55 51 64 59 52 48 62 58 Dewpt 57 51 54 53 51 49 55 57 54 51 55 54 50 47 53 53 PWind dir N NE NE E N N NE SE Wind char GN GN LT LT LT LT LT LT Avg clouds OV B2 SC SC SC SC B1 B1 B1 SC FW CL FW FW FW FW PoP 12hr 60 10 5 5 5 5 5 0 Rain shwrs L C $$ IAZ017-292100- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 1132 AM CDT Tue Sep 29 2026 Date Tue 09/29/26 Wed 09/30/26 Thu 10/01/26 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 68 60 71 57 64 Temp 65 65 66 64 64 63 61 66 68 69 68 64 63 61 58 60 62 62 58 Dewpt 59 61 63 64 64 63 61 66 67 67 65 64 63 61 58 57 54 53 50 RH 81 87 90100100100100100 97 93 90100100100100 90 75 72 75 Wind dir S S S S S SW S SW S S SE S NW N N N N N N Wind spd 11 11 10 8 5 3 2 2 2 2 2 1 1 2 8 10 10 10 8 Wind gust 21 23 Clouds OV OV OV OV OV OV OV B2 OV OV OV OV OV OV OV OV OV B2 B2 PoP 12hr 50 50 40 50 30 QPF 12hr 0.14 0.24 0.36 0.71 0.27 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S S C S C C C C C S S Tstms S S S S Flood A A A A A A A A A A A A A A A A A Date Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 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 47 64 43 64 47 63 43 61 Temp 53 47 61 57 49 45 60 59 53 48 59 57 48 44 58 56 Dewpt 46 42 44 45 44 43 49 50 50 47 48 46 44 42 46 47 PWind dir N NE E S W N N SE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC FW FW FW SC SC SC SC FW FW FW FW SC FW PoP 12hr 5 0 0 5 5 0 0 0 $$ IAZ049-292100- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 1132 AM CDT Tue Sep 29 2026 Date Tue 09/29/26 Wed 09/30/26 Thu 10/01/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 72 62 70 61 65 Temp 69 69 69 66 65 64 63 66 67 69 68 66 66 64 62 63 62 63 60 Dewpt 58 63 63 63 64 64 63 66 67 68 67 66 66 64 62 63 60 59 56 RH 68 81 81 90 97100100100100 97 97100100100100100 93 87 87 Wind dir S S S S S S S SW S S S S SW NE N N N N N Wind spd 10 9 9 8 5 4 3 3 4 4 3 2 1 2 5 8 9 10 10 Clouds B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 70 60 80 100 80 QPF 12hr 0.09 0.58 0.71 1.19 0.72 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C L L L C C L D L L D D D D C C C Tstms S S S S S C S Flood A A A A A A A A A A A A A A A A A Date Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 51 63 46 63 49 63 45 61 Temp 56 51 60 58 50 47 60 60 53 50 60 58 50 46 58 56 Dewpt 51 46 48 49 47 45 51 53 51 48 51 50 46 43 48 50 PWind dir N NE E SE W N N SE Wind char GN LT LT LT LT LT LT LT Avg clouds B2 B1 SC FW FW FW SC SC SC SC FW FW FW FW SC FW PoP 12hr 30 5 0 5 5 0 0 0 Rain shwrs C C $$ IAZ086-292100- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 1132 AM CDT Tue Sep 29 2026 Date Tue 09/29/26 Wed 09/30/26 Thu 10/01/26 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 78 65 74 65 70 Temp 75 77 74 70 68 66 65 67 69 72 72 69 68 67 66 68 67 68 64 Dewpt 58 61 64 63 64 65 65 66 68 70 70 69 68 67 66 68 66 67 64 RH 55 58 71 78 87 97100 97 97 93 93100100100100100 97 97100 Wind dir S S SE S S S S S S S S SE SE S SE N N N N Wind spd 9 9 5 6 6 8 9 8 8 5 3 3 2 3 3 5 6 9 9 Clouds B1 B2 B2 OV OV OV OV OV OV B2 B2 B2 B2 B2 OV OV OV B2 OV PoP 12hr 20 100 70 90 90 QPF 12hr 0 0.41 0.62 0.84 1.31 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 Tstms S S S S S S S C C C S S Flood A A A A A A A A A A A A A A A A A Date Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 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 57 65 49 66 51 66 48 64 Temp 60 57 61 60 53 50 61 62 56 52 62 61 52 48 60 59 Dewpt 60 53 55 55 52 49 55 57 55 52 56 55 51 47 53 54 PWind dir N NE NE E NW N N E Wind char GN GN LT LT LT LT LT LT Avg clouds OV B2 B1 SC SC FW SC SC SC SC SC FW FW FW FW FW PoP 12hr 70 20 5 5 5 5 0 0 Rain shwrs L C S $$