Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
223 FOUS53 KDMX 302127 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 427 PM CDT Thu Jul 30 2026 IAZ060-310900- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 427 PM CDT Thu Jul 30 2026 Date 07/30/26 Fri 07/31/26 Sat 08/01/26 Sun 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 69 81 63 79 62 Temp 83 77 75 72 70 75 80 81 76 70 68 66 65 71 77 79 78 71 68 65 63 Dewpt 66 67 67 69 69 72 73 73 69 66 64 64 63 65 66 67 67 66 66 64 63 RH 57 71 76 90 97 90 79 77 79 87 87 93 93 81 69 67 69 84 93 97100 Wind dir SE SE SE S S S W NW N N N N N N N N N N N N N Wind spd 9 8 9 10 12 11 11 12 17 18 18 19 19 18 18 17 12 8 5 5 4 Wind gust 29 31 28 29 29 31 32 31 Clouds B2 B2 OV OV OV B2 B2 B2 B2 OV B2 B2 B1 SC SC SC FW FW FW CL CL PoP 12hr 90 80 40 10 0 QPF 12hr 0.65 0.38 0.07 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L D D L C C C C C S Tstms S C C S S C C C S Date 08/02 Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 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 82 63 84 65 87 67 83 66 88 Temp 80 82 69 65 82 82 70 66 84 85 72 68 82 81 71 67 85 86 Dewpt 67 66 66 64 68 68 66 66 70 70 68 66 68 68 66 65 69 69 PWind dir N E SE SE S NE NE E SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds CL FW CL FW FW FW CL FW FW FW SC SC B1 SC SC SC SC SC PoP 12hr 0 0 0 0 5 20 20 40 20 Rain shwrs S S S S C S Tstms S S S $$ IAZ039-310900- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 427 PM CDT Thu Jul 30 2026 Date 07/30/26 Fri 07/31/26 Sat 08/01/26 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 66 74 61 77 60 Temp 80 73 72 71 68 69 72 73 71 67 66 64 63 69 75 77 75 69 66 63 61 Dewpt 64 62 63 65 66 67 69 69 66 64 63 63 63 65 67 67 66 66 64 63 61 RH 58 68 73 81 93 93 90 87 84 90 90 97100 87 76 71 74 90 93100100 Wind dir SE SE SE SE SE SE E E NE N N N N N N N N N N N N Wind spd 9 8 8 10 13 13 13 13 16 18 19 20 20 20 20 18 12 8 5 5 5 Wind gust 24 28 32 33 29 Clouds B2 B2 B2 OV OV OV OV OV OV OV B2 B2 B1 B1 B1 SC FW FW FW CL FW PoP 12hr 70 100 70 20 0 QPF 12hr 0.63 1.16 0.38 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L D L L D L L C C S S Tstms S C C S C C C S S Obvis K Date 08/02 Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 80 60 81 63 84 65 80 63 83 Temp 77 79 66 63 79 78 68 64 80 80 69 66 77 77 67 64 80 80 Dewpt 66 65 63 62 67 67 65 64 71 70 68 65 68 66 64 63 69 69 PWind dir NE E SE SE SW N N E SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW CL FW FW FW CL FW FW FW SC B1 B1 SC SC SC B1 SC PoP 12hr 0 0 0 0 20 30 20 30 20 Rain shwrs S S C S S S C S Tstms S S C S S $$ IAZ048-310900- Ames-Story IA 41.99N 93.62W Elev. 936 ft 427 PM CDT Thu Jul 30 2026 Date 07/30/26 Fri 07/31/26 Sat 08/01/26 Sun 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 67 79 62 79 61 Temp 80 74 73 70 70 73 77 78 74 67 66 64 64 70 77 79 77 70 67 64 62 Dewpt 67 67 68 68 68 70 73 72 68 65 64 63 63 65 67 68 68 68 66 64 62 RH 65 79 84 93 93 90 87 82 82 93 93 97 97 84 71 69 74 93 97100100 Wind dir SE SE SE SE SE S N N N N N N N N N N N N N N N Wind spd 9 8 8 10 12 11 10 12 18 19 18 19 19 18 18 17 11 6 4 4 4 Wind gust 33 32 28 29 29 32 33 29 Clouds B2 B2 OV OV OV OV B2 B2 OV OV B2 B1 SC SC SC FW FW FW FW FW CL PoP 12hr 90 90 40 10 0 QPF 12hr 0.98 0.52 0.08 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L D D C L C C C S S Tstms S C C S S C C S Date 08/02 Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 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 81 61 83 64 86 65 81 64 86 Temp 79 81 67 64 81 80 69 65 82 82 70 66 79 78 68 65 82 83 Dewpt 68 68 66 64 69 69 67 65 72 72 69 65 69 69 66 64 71 70 PWind dir NE E SE SE S NE NE E SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds CL FW CL FW FW FW FW FW FW FW SC B1 B1 SC SC SC SC SC PoP 12hr 0 0 0 0 5 30 20 40 20 Rain shwrs S C S S S C S Tstms S C S S $$ IAZ004-310900- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 427 PM CDT Thu Jul 30 2026 Date 07/30/26 Fri 07/31/26 Sat 08/01/26 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 64 74 57 79 57 Temp 79 72 71 68 68 71 71 72 70 64 61 60 60 70 77 79 77 68 64 61 58 Dewpt 67 68 67 67 67 68 67 66 64 63 61 60 59 64 66 67 69 66 63 60 58 RH 67 87 87 97 97 90 87 81 81 97100100 96 81 69 67 76 93 97 97100 Wind dir S SE SE SE E NE NE NE N N N N N N N N N N NW NW NW Wind spd 12 10 10 12 12 13 21 26 24 19 16 14 14 14 14 13 9 5 4 3 2 Wind gust 34 42 37 Clouds B2 OV OV OV OV OV B2 B2 B1 SC FW FW FW FW FW FW CL CL CL FW FW PoP 12hr 90 80 10 0 0 QPF 12hr 0.83 0.41 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C D D D C C C Tstms S C C C S S S S Date 08/02 Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 80 60 82 63 79 58 77 59 82 Temp 77 80 66 63 79 80 69 64 77 76 64 59 75 75 63 60 79 80 Dewpt 66 68 63 61 69 71 64 63 68 68 61 58 63 65 60 59 67 70 PWind dir E S S S NW N NE SE SE Wind char LT GN GN GN GN LT LT LT GN Avg clouds FW CL CL FW FW FW CL FW B1 B1 B1 SC B1 SC SC SC B1 SC PoP 12hr 0 0 0 10 20 40 20 30 10 Rain shwrs S S S C S S S C Tstms S S S S S S $$ IAZ035-310900- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 427 PM CDT Thu Jul 30 2026 Date 07/30/26 Fri 07/31/26 Sat 08/01/26 Sun 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 77 59 80 59 Temp 79 75 73 69 69 73 75 76 71 64 62 61 61 70 77 80 78 68 65 61 60 Dewpt 67 67 67 67 68 70 70 69 66 64 62 61 61 66 67 68 69 67 65 61 60 RH 67 76 81 93 97 90 84 79 84100100100100 87 71 67 74 97100100100 Wind dir SE SE SE SE S E N N N N N N N N N N N N N N N Wind spd 9 9 9 11 11 11 10 17 20 20 17 17 16 16 16 14 9 4 3 3 2 Wind gust 27 33 31 Clouds B2 OV OV OV OV OV OV OV B2 B2 B1 SC FW SC SC FW FW CL CL FW FW PoP 12hr 90 70 20 0 0 QPF 12hr 0.84 0.55 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C D D L C C C S S Tstms C C C S S C C Date 08/02 Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 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 82 60 83 63 84 62 80 61 85 Temp 79 80 66 63 80 81 69 64 81 80 67 63 77 77 65 63 80 82 Dewpt 67 69 65 63 70 70 66 64 71 71 66 62 67 68 63 62 69 71 PWind dir NE SE S S S N E E SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW CL FW FW FW FW FW SC SC B1 B1 B1 SC SC SC B1 SC PoP 12hr 0 0 0 0 20 40 30 40 10 Rain shwrs S S C C S S C Tstms S S S S $$ IAZ094-310900- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 427 PM CDT Thu Jul 30 2026 Date 07/30/26 Fri 07/31/26 Sat 08/01/26 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 83 63 77 62 Temp 81 76 74 71 71 77 82 83 78 71 67 65 65 70 75 77 76 71 67 64 63 Dewpt 70 70 69 70 70 73 74 72 68 67 64 64 63 64 65 65 65 66 66 64 63 RH 69 82 84 97 97 87 77 70 71 87 90 97 93 81 71 67 69 84 97100100 Wind dir SE SE SE S S SW W NW N NW NW N N N N N N N N N N Wind spd 8 6 8 9 11 12 12 13 17 17 17 18 19 20 20 19 16 10 6 6 6 Wind gust 24 27 27 27 29 32 33 33 31 26 Clouds B1 B2 B2 OV OV B2 B2 B2 B1 B2 B2 B2 B2 SC SC SC SC FW FW CL CL PoP 12hr 90 70 20 10 0 QPF 12hr 0.61 0.35 0.04 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S L D D L C C S S S S Tstms S S C C C C C C S S Heat index 87 88 Max heat 90 88 89 Date 08/02 Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 82 62 85 64 88 67 86 67 90 Temp 80 82 68 64 82 83 69 65 85 86 72 68 84 84 72 68 86 87 Dewpt 64 63 65 64 65 64 66 65 67 66 67 66 66 65 66 65 67 66 PWind dir N E SE SE S E E SE S Wind char LT LT LT LT LT LT LT LT GN Avg clouds CL CL CL FW FW FW CL FW FW FW FW SC SC SC FW SC SC SC PoP 12hr 0 0 0 0 5 10 20 30 20 Rain shwrs S S S S C S Tstms S S S S C S $$ IAZ017-310900- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 427 PM CDT Thu Jul 30 2026 Date 07/30/26 Fri 07/31/26 Sat 08/01/26 Sun 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 58 79 57 Temp 77 72 71 68 66 68 71 71 69 64 63 61 61 69 75 77 78 68 64 61 58 Dewpt 66 65 64 65 65 67 68 67 64 63 61 61 61 65 66 67 68 65 63 61 58 RH 69 79 79 90 97 97 90 87 84 97 93100100 87 74 71 71 90 97100100 Wind dir SE SE SE SE SE E E NE NE N N N N N N N N N N N N Wind spd 9 8 9 11 13 13 13 17 20 21 18 17 17 16 16 14 9 5 4 3 3 Wind gust 24 29 34 32 26 Clouds B2 B2 OV OV OV OV OV OV B2 B2 B1 SC FW SC FW FW FW FW CL FW CL PoP 12hr 80 90 50 5 0 QPF 12hr 0.62 0.79 0.10 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C D D L L L C C S Tstms C C C S C C S Obvis K Date 08/02 Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 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 80 59 81 62 82 61 78 59 82 Temp 76 79 65 62 78 79 68 64 79 79 66 62 76 76 63 62 79 80 Dewpt 66 67 63 62 68 69 65 63 71 70 65 62 65 65 61 61 68 70 PWind dir NE SE S S SW N NE E SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds CL CL CL FW FW FW FW FW FW SC B1 B1 B1 SC SC SC SC SC PoP 12hr 0 0 0 0 20 40 20 20 20 Rain shwrs S S C S S S S S Tstms S S S S $$ IAZ049-310900- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 427 PM CDT Thu Jul 30 2026 Date 07/30/26 Fri 07/31/26 Sat 08/01/26 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 65 77 60 78 59 Temp 79 72 71 68 66 70 75 76 72 66 65 63 62 68 74 78 75 68 65 63 60 Dewpt 65 62 63 66 66 69 72 72 68 65 63 63 62 64 66 67 66 66 64 62 60 RH 62 71 76 93100 97 90 87 87 97 93100100 87 76 69 74 93 97 97100 Wind dir SE SE SE SE SE SE SE NE N N N N N N N N N N N N N Wind spd 8 8 9 10 12 12 11 10 16 17 17 18 19 19 20 18 12 8 5 5 5 Wind gust 26 27 28 31 35 31 Clouds B2 B2 OV OV OV OV B2 B2 OV OV B2 B2 B1 B1 SC SC FW FW FW FW FW PoP 12hr 80 90 70 10 0 QPF 12hr 1.03 0.83 0.32 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C D D L L L L L C C S S Tstms C C C S C C C S S Date 08/02 Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 80 59 82 62 84 64 80 63 85 Temp 77 79 65 62 79 78 67 63 80 80 68 65 78 77 67 64 80 80 Dewpt 67 66 64 62 68 68 65 63 71 71 67 64 68 67 64 62 70 70 PWind dir NE E SE SE S NE NE E SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW CL CL FW FW CL FW FW FW SC SC B1 SC SC SC SC SC PoP 12hr 0 0 0 0 20 20 20 30 20 Rain shwrs S S S S S S C S Tstms S S S S S S $$ IAZ086-310900- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 427 PM CDT Thu Jul 30 2026 Date 07/30/26 Fri 07/31/26 Sat 08/01/26 Sun 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 68 81 63 78 62 Temp 82 75 73 71 70 73 79 80 77 71 69 66 66 70 75 78 76 70 67 64 63 Dewpt 62 63 65 67 68 71 74 75 73 70 68 66 66 67 68 69 68 68 66 64 63 RH 51 66 76 87 93 93 85 85 87 97 97100100 90 79 74 76 93 97100100 Wind dir SE SE SE S S S S NW N NW NW N N N N N N N N N N Wind spd 9 8 9 10 12 12 13 11 11 13 14 17 19 20 21 19 16 11 8 8 8 Wind gust 21 25 31 34 34 34 34 26 Clouds B2 B2 B2 B2 OV OV B2 B2 B2 B2 OV OV OV B2 B1 B1 SC FW FW CL FW PoP 12hr 80 90 70 40 5 QPF 12hr 0.67 1.09 0.24 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L D L L L L C C C C C S S Tstms C C C S C C C S S S S S S Heat index 85 Max heat 88 87 Date 08/02 Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 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 81 61 82 63 86 66 85 66 88 Temp 78 80 67 63 79 79 68 65 83 83 71 68 82 81 69 68 84 85 Dewpt 68 68 66 63 68 68 67 65 71 71 69 67 70 70 67 66 70 70 PWind dir N E E SE SE SE E E SE Wind char GN LT LT LT LT LT LT LT LT Avg clouds FW FW FW CL FW FW FW CL FW FW FW SC SC SC SC SC SC SC PoP 12hr 0 0 0 5 5 10 20 30 20 Rain shwrs S S S C S Tstms S S S S S $$