Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
931 FOUS53 KDMX 290843 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 343 AM CDT Wed Jul 29 2026 IAZ060-292100- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 343 AM CDT Wed Jul 29 2026 Date Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 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 91 70 88 69 80 Temp 73 73 80 90 90 89 79 75 72 71 80 86 87 85 77 74 70 69 75 80 82 78 Dewpt 70 69 70 71 70 70 69 67 65 64 66 67 67 68 68 69 70 69 74 75 73 70 RH 90 87 72 54 52 54 72 76 79 79 62 53 52 57 74 84100100 97 85 74 76 Wind dir E E SE SE SE SE SE SE S S S S SE SE SE S S S SW W NW N Wind spd 4 3 5 6 9 8 8 6 5 5 8 10 11 10 10 10 12 10 11 12 16 18 Wind gust 27 32 Clouds SC SC SC SC SC SC SC SC SC FW SC SC B1 B2 B2 B2 OV B2 B2 B2 B1 SC PoP 12hr 0 0 10 90 70 QPF 12hr 0 0 0 0.85 0.19 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D D L L C C S Tstms S C C C C S S S Obvis K PF K K K Heat index 95 97 94 87 Max heat 98 99 91 90 92 87 86 89 Date Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 Tue 08/04/26 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 64 81 63 84 64 85 66 88 Temp 68 65 78 79 68 65 82 82 69 66 83 83 71 67 85 86 Dewpt 66 64 67 67 67 65 68 68 67 65 70 69 68 67 71 70 PWind dir N N N NE SE SE S NW Wind char BZ BZ LT LT LT LT LT LT Avg clouds SC SC SC FW FW FW FW FW CL FW FW FW FW FW SC SC PoP 12hr 20 10 0 0 0 0 0 5 Rain shwrs S $$ IAZ039-292100- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 343 AM CDT Wed Jul 29 2026 Date Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 67 84 66 76 Temp 69 69 77 85 86 83 75 72 69 69 77 82 84 80 75 72 69 67 71 74 76 74 Dewpt 66 66 68 71 71 71 70 68 66 66 68 68 68 68 67 66 67 67 69 71 70 68 RH 90 90 74 63 61 67 84 87 90 90 74 63 59 67 76 81 93100 93 90 82 82 Wind dir E SE S S S SE SE S S SE S S S SE SE S S SE S SE NE N Wind spd 2 3 5 5 6 6 5 4 4 4 8 10 11 10 11 11 12 14 14 14 16 17 Wind gust 26 Clouds SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B2 OV OV OV OV B2 B2 B1 PoP 12hr 5 0 0 80 90 QPF 12hr 0 0 0 0.59 1.10 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S D D D D L L C Tstms S C C S S C S Obvis K K K K K Heat index 90 91 88 Max heat 91 92 85 86 88 Date Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 Tue 08/04/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 80 62 82 63 83 65 84 Temp 66 63 77 77 67 64 80 79 67 65 80 81 69 66 82 82 Dewpt 66 63 67 67 65 64 67 67 65 64 69 69 68 66 72 71 PWind dir N N N NE SE SE S W Wind char BZ BZ LT LT LT LT LT LT Avg clouds B1 B1 SC FW FW FW FW FW FW FW FW FW FW FW SC SC PoP 12hr 50 20 0 0 0 0 0 10 Rain shwrs C S S Tstms S $$ IAZ048-292100- Ames-Story IA 41.99N 93.62W Elev. 936 ft 343 AM CDT Wed Jul 29 2026 Date Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 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 89 68 86 67 79 Temp 71 70 79 87 89 86 76 73 70 70 78 84 85 82 75 72 69 68 74 78 80 76 Dewpt 69 67 71 73 73 72 71 68 66 65 67 70 70 69 69 69 69 68 72 75 73 69 RH 93 90 77 63 59 63 85 84 87 84 69 63 61 65 82 90100100 93 91 79 79 Wind dir E E SE SE SE SE SE SE SE SE S S SE SE SE S S S SW NW NW N Wind spd 1 2 5 6 8 6 6 6 5 5 9 10 11 10 11 10 11 11 11 12 17 18 Wind gust 28 32 Clouds SC SC SC SC SC SC SC SC SC FW SC B1 B1 B2 B2 B2 OV B2 B2 B2 B1 B1 PoP 12hr 0 0 10 90 70 QPF 12hr 0 0 0 0.84 0.23 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D D L L C C S Tstms S C C C S S S Obvis K K K K K K Heat index 95 97 92 90 Max heat 97 99 90 89 92 83 86 Date Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 Tue 08/04/26 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 62 81 63 83 63 84 65 86 Temp 67 63 78 78 67 64 81 80 68 65 82 82 70 66 84 83 Dewpt 66 63 68 69 67 64 70 69 68 65 71 70 69 66 73 71 PWind dir N N N NE SE SE SE NW Wind char BZ GN LT LT LT LT LT LT Avg clouds SC SC SC FW FW FW CL FW FW FW FW FW FW FW SC SC PoP 12hr 20 10 0 0 0 0 5 5 Rain shwrs S $$ IAZ004-292100- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 343 AM CDT Wed Jul 29 2026 Date Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 68 83 64 77 Temp 68 70 80 84 86 85 77 74 70 70 78 81 81 80 72 69 67 65 71 73 75 76 Dewpt 67 67 70 71 72 71 70 67 65 64 68 69 70 70 69 67 66 65 69 70 71 68 RH 97 90 72 65 63 63 79 79 84 81 71 67 69 72 90 93 97100 93 90 87 76 Wind dir S S S S S S SE S S S S S S S S S S NW N N N N Wind spd 2 3 6 8 8 9 9 10 10 10 12 14 17 17 16 14 14 16 17 23 24 21 Wind gust 35 39 33 Clouds SC SC SC SC SC SC SC SC SC SC SC B2 B1 B2 OV OV OV B2 B2 B1 SC SC PoP 12hr 20 5 40 100 50 QPF 12hr 0.21 0 0.17 1.17 0.15 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C D D D D C C S S Tstms S S S C C C C S Obvis K K K K K K K K K Heat index 89 92 90 Max heat 90 95 90 84 86 Date Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 Tue 08/04/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 80 60 81 62 82 63 81 Temp 64 60 77 78 64 61 79 79 66 63 80 81 68 64 79 80 Dewpt 62 60 66 67 62 61 67 67 64 62 68 68 65 63 68 67 PWind dir N N NE S S S S NW Wind char GN GN LT LT GN GN GN LT Avg clouds SC SC FW FW CL CL FW CL CL FW FW FW FW SC SC SC PoP 12hr 10 0 0 0 0 0 10 10 $$ IAZ035-292100- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 343 AM CDT Wed Jul 29 2026 Date Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 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 89 68 86 66 78 Temp 69 69 80 87 88 87 77 74 70 68 78 83 84 82 73 70 68 67 73 78 79 76 Dewpt 68 67 70 72 73 72 72 68 65 65 68 69 71 69 70 69 68 67 71 72 72 68 RH 97 93 72 61 61 61 85 82 84 90 71 63 65 65 90 97100100 93 82 79 76 Wind dir SE SE S S SE SE SE SE S S S S S SE SE S S S W N N N Wind spd 2 2 5 4 5 6 6 6 6 6 10 11 12 11 11 10 11 10 12 16 19 20 Wind gust 29 32 Clouds SC SC SC SC SC SC SC SC SC SC SC B2 B1 B2 B2 OV OV OV B2 B2 B1 SC PoP 12hr 5 0 20 100 60 QPF 12hr 0 0 0.05 0.86 0.19 Snow 12hr 00-00 00-00 00-00 Rain shwrs S D D D D L L C C Tstms C C C C S S S Obvis K K K K K K K Heat index 93 96 94 89 Max heat 94 97 92 87 90 83 84 Date Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 Tue 08/04/26 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 60 83 61 84 62 85 64 87 Temp 65 61 80 79 65 62 82 82 66 63 81 82 69 65 84 83 Dewpt 64 61 66 67 65 62 68 68 66 63 69 69 67 65 70 69 PWind dir N N N SE SE S S NW Wind char BZ GN LT LT LT LT LT LT Avg clouds SC SC FW FW FW FW FW FW FW FW FW FW FW FW SC SC PoP 12hr 10 0 0 0 0 0 5 10 $$ IAZ094-292100- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 343 AM CDT Wed Jul 29 2026 Date Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 68 85 68 82 Temp 73 72 79 88 90 87 79 74 70 70 78 83 85 83 77 72 69 70 76 80 81 78 Dewpt 72 70 71 71 69 69 69 66 64 64 66 67 68 69 70 69 69 70 74 74 72 70 RH 97 93 77 57 50 55 72 76 81 81 67 59 57 63 79 90100100 94 82 74 76 Wind dir E E SE SE SE SE SE SE SE S S S SE SE SE S SE S SW NW NW N Wind spd 2 3 6 6 6 5 5 6 6 6 9 10 11 10 10 10 11 11 11 13 16 16 Wind gust 26 27 Clouds SC SC SC SC SC SC SC SC SC FW SC B1 SC B1 B1 B2 B2 B2 B1 B1 B1 SC PoP 12hr 0 5 20 90 60 QPF 12hr 0 0 0.01 0.60 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C D D L L C C Tstms S C C C C S S S Obvis K K K K K K Heat index 94 95 92 85 86 Max heat 95 97 91 87 90 86 87 89 Date Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 Tue 08/04/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 79 63 83 64 85 65 87 Temp 68 65 76 77 67 65 80 81 68 65 82 83 70 66 84 85 Dewpt 66 64 66 66 66 65 66 67 66 65 68 67 67 66 70 69 PWind dir N N N NE E SE SE E Wind char BZ BZ LT LT LT LT LT LT Avg clouds SC SC SC FW FW FW FW FW CL FW CL FW FW FW SC FW PoP 12hr 10 5 0 0 0 0 0 5 $$ IAZ017-292100- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 343 AM CDT Wed Jul 29 2026 Date Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 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 86 66 83 64 75 Temp 68 69 78 84 85 84 75 72 68 68 77 81 81 79 73 70 67 65 70 73 74 75 Dewpt 67 67 69 72 72 72 71 69 66 66 68 69 70 69 68 67 67 65 69 71 70 67 RH 97 93 74 67 65 67 87 90 93 93 74 67 69 72 84 90100100 97 93 87 76 Wind dir SE SE S S S S S S S S S S S S SE SE S SE SE NE N N Wind spd 1 2 5 4 4 5 5 5 5 5 10 11 12 12 12 12 13 14 14 14 19 19 Wind gust 25 29 31 Clouds SC SC SC SC SC B1 SC SC SC SC B1 B2 B1 B1 B2 OV OV B2 B2 B2 B1 SC PoP 12hr 10 0 10 90 80 QPF 12hr 0 0 0 0.90 0.76 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D D D D L L C Tstms S C C C S C S Obvis K K K K K K Heat index 90 91 89 Max heat 92 93 87 85 87 Date Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 Tue 08/04/26 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 59 80 60 81 61 83 63 84 Temp 64 60 77 77 65 62 79 78 66 63 80 80 68 66 81 81 Dewpt 64 60 67 68 64 62 67 68 65 63 69 70 67 65 70 69 PWind dir N N N E SE S S NW Wind char BZ GN LT LT LT LT LT LT Avg clouds SC SC SC FW FW FW CL FW CL FW FW FW FW FW SC SC PoP 12hr 30 5 0 0 0 0 5 10 Rain shwrs C S $$ IAZ049-292100- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 343 AM CDT Wed Jul 29 2026 Date Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 66 85 66 77 Temp 69 69 77 85 86 83 74 71 68 68 77 83 84 80 73 70 68 66 71 76 78 74 Dewpt 65 66 69 71 71 71 69 66 64 64 67 68 69 68 66 66 67 66 70 72 72 68 RH 87 90 76 63 61 67 84 84 87 87 71 61 61 67 79 87 97100 97 87 82 82 Wind dir E SE SE SE SE SE SE SE SE S S S S SE SE S S S S W N N Wind spd 2 3 6 4 5 5 5 4 4 4 8 9 9 9 11 10 12 12 12 11 14 18 Wind gust 21 26 29 Clouds SC SC SC SC SC SC SC SC SC FW SC B1 B1 B2 B2 B2 OV OV B2 B2 B2 B1 PoP 12hr 0 0 5 90 80 QPF 12hr 0 0 0 0.73 0.44 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D D D D C C C Tstms S C C C S S S Obvis K K K K K Heat index 90 92 88 Max heat 92 94 84 87 90 Date Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 Tue 08/04/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 80 61 82 61 84 63 85 Temp 65 62 77 76 66 63 80 78 66 63 80 80 68 64 83 81 Dewpt 65 62 67 67 65 63 68 68 65 63 69 69 67 64 71 71 PWind dir N N N NE SE SE SE W Wind char BZ BZ LT LT LT LT LT LT Avg clouds B1 SC SC FW FW FW FW FW CL FW FW FW FW FW SC SC PoP 12hr 40 10 0 0 0 0 5 5 Rain shwrs C S $$ IAZ086-292100- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 343 AM CDT Wed Jul 29 2026 Date Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 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 88 67 87 68 79 Temp 72 71 78 86 88 85 75 71 69 69 79 85 87 83 75 72 70 68 74 78 80 77 Dewpt 69 68 68 70 69 69 67 66 65 65 67 66 66 66 66 67 68 68 72 76 75 72 RH 90 90 71 59 54 59 76 84 87 87 67 53 50 57 74 84 93100 93 94 85 85 Wind dir E SE SE SE SE E SE SE SE S S SE SE SE SE S S S S SW NW NW Wind spd 4 4 6 5 6 8 6 5 5 5 9 9 10 10 10 10 11 12 13 13 13 13 Wind gust 21 Clouds SC SC SC SC SC SC SC SC SC FW SC SC SC B1 B1 B2 B2 B2 B2 B2 B1 B2 PoP 12hr 0 0 5 80 90 QPF 12hr 0 0 0 0.93 0.49 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S D D D D L L C Tstms S C C C C C C S Heat index 91 86 Max heat 91 94 87 87 90 83 88 Date Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 Tue 08/04/26 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 64 79 63 83 63 84 65 87 Temp 68 65 77 76 66 65 80 80 67 65 81 82 69 66 84 84 Dewpt 68 65 68 68 66 65 69 69 67 65 70 70 69 66 72 72 PWind dir NW N N NE E SE SE SW Wind char BZ BZ LT LT LT LT LT LT Avg clouds B1 B1 SC FW FW FW FW FW FW CL FW FW FW FW SC FW PoP 12hr 40 20 5 0 0 0 5 5 Rain shwrs C C S S Tstms S $$