Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
392 FOUS53 KDMX 250952 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 452 AM CDT Sat Jul 25 2026 IAZ060-252100- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 452 AM CDT Sat Jul 25 2026 Date Sat 07/25/26 Sun 07/26/26 Mon 07/27/26 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 92 74 96 77 96 Temp 70 79 87 92 91 81 77 75 75 87 93 95 94 85 82 79 77 87 93 96 94 Dewpt 69 73 75 74 75 75 74 73 73 78 78 75 75 73 73 72 71 74 74 72 72 RH 97 82 68 56 60 82 90 94 94 75 62 53 54 67 74 79 82 65 54 46 49 Wind dir S S S SW SW S SW SW SW SW SW SW S S SW SW SW SW W NW N Wind spd 4 3 4 5 4 4 4 4 4 6 9 11 11 11 11 11 9 8 9 9 8 Clouds OV B2 SC SC FW FW SC SC SC SC B1 B1 B1 SC SC SC FW FW FW FW FW PoP 12hr 5 5 5 20 10 QPF 12hr 0 0 0 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S S Obvis PF Heat index 96101102 86 100109108106 93 87 95104105102 Max heat 96 103 99 111 113 105 87 106 107 Dense Fog Y Heat Y Y Y Y Y Y Y Y Date Tue 07/28/26 Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 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 73 91 69 92 71 91 70 90 Temp 78 73 88 89 74 71 90 91 76 72 89 89 75 72 88 88 Dewpt 69 68 71 69 69 68 68 67 67 68 69 68 68 68 70 68 PWind dir N NE E SE SE SE SE E Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC SC SC SC FW FW FW FW SC SC SC SC SC FW FW PoP 12hr 0 0 5 0 20 20 30 20 Rain shwrs S S S S C S Tstms S S S S C S $$ IAZ039-252100- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 452 AM CDT Sat Jul 25 2026 Date Sat 07/25/26 Sun 07/26/26 Mon 07/27/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 72 93 76 93 Temp 69 76 82 87 88 78 75 74 74 84 89 91 91 82 79 78 76 84 90 93 90 Dewpt 67 71 74 75 76 75 73 72 72 78 79 79 79 75 73 73 72 75 77 74 74 RH 93 85 77 68 68 91 94 93 93 82 73 68 68 79 82 85 87 74 66 54 60 Wind dir S SW SW SW S S S S S SW SW SW SW S S SW SW SW W NW NW Wind spd 4 6 6 8 6 4 4 5 5 8 10 11 10 10 10 11 9 10 10 12 11 Clouds OV B2 SC FW FW FW B1 B1 B1 B2 B1 SC SC SC SC SC SC FW FW FW FW PoP 12hr 5 10 10 40 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C Tstms S S Obvis PF Heat index 88 96 98 95106108107 89 92103103100 Max heat 89 100 98 108 110 103 103 105 Date Tue 07/28/26 Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 88 68 89 69 88 68 87 Temp 75 71 85 86 72 69 86 87 73 70 86 85 72 70 84 85 Dewpt 69 68 71 70 68 67 70 69 67 66 70 70 68 67 71 70 PWind dir N N NE SE SE S S SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC SC FW FW FW FW FW FW SC SC SC SC SC SC FW PoP 12hr 0 0 0 5 10 10 30 20 Rain shwrs S C S Tstms S S S $$ IAZ048-252100- Ames-Story IA 41.99N 93.62W Elev. 936 ft 452 AM CDT Sat Jul 25 2026 Date Sat 07/25/26 Sun 07/26/26 Mon 07/27/26 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 92 73 96 76 95 Temp 69 79 86 91 90 80 77 75 75 86 91 94 92 83 81 78 76 86 92 95 92 Dewpt 69 73 75 76 77 76 75 73 72 78 79 78 77 74 74 72 72 76 76 74 73 RH 100 82 70 62 66 88 94 94 90 77 68 60 62 74 79 82 87 72 60 51 54 Wind dir S S S S S S S S SW SW SW S S S SW SW SW SW W NW N Wind spd 3 4 5 6 4 3 3 4 4 6 9 11 9 10 10 10 6 8 8 9 8 Clouds OV B2 SC SC FW FW SC SC B1 B1 B2 SC B1 SC SC SC SC FW FW CL FW PoP 12hr 5 10 20 20 5 QPF 12hr 0 0 0 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Tstms S S S Obvis F Heat index 95103103 85 99109110106 91 95105105101 Max heat 96 106 102 111 114 105 84 107 109 Dense Fog Y Heat Y Y Y Y Y Y Y Y Date Tue 07/28/26 Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 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 71 90 68 91 69 90 69 89 Temp 76 72 87 87 73 70 88 89 74 71 87 87 73 70 86 86 Dewpt 69 68 72 70 70 68 71 69 68 67 71 70 69 68 71 70 PWind dir N NE E SE SE SE SE E Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC SC SC FW FW FW FW FW SC SC SC SC SC FW FW PoP 12hr 0 0 5 0 20 20 30 20 Rain shwrs S S S S C S Tstms S S S C S $$ IAZ004-252100- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 452 AM CDT Sat Jul 25 2026 Date Sat 07/25/26 Sun 07/26/26 Mon 07/27/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 94 74 95 73 94 Temp 68 79 88 94 92 81 77 76 74 84 92 95 91 81 79 75 73 83 91 94 91 Dewpt 67 72 73 71 72 72 70 68 68 73 73 73 74 72 70 69 67 70 67 63 64 RH 97 79 61 47 52 74 79 76 82 70 54 49 58 74 74 82 81 65 45 36 41 Wind dir S SW SW W SE S SW SW SW SW SW S S S SW SW SW NW N N N Wind spd 8 11 10 10 9 9 10 11 10 11 13 16 14 17 16 12 10 10 11 13 11 Wind gust 18 Clouds OV SC FW FW FW SC B1 B2 B2 B2 SC SC SC FW FW FW FW CL CL FW FW PoP 12hr 5 30 20 50 0 QPF 12hr 0 0.18 0.01 0.07 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C C C C Tstms C C S C C C Obvis PF Heat index 96101100 90101104101 86 Max heat 97 102 96 102 105 98 94 96 Heat Y Y Y Y Y Y Y Y Date Tue 07/28/26 Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 69 90 67 91 68 89 67 88 Temp 74 69 87 88 72 68 88 88 73 69 86 87 71 68 85 85 Dewpt 64 64 66 65 66 64 66 65 66 64 68 68 67 66 68 67 PWind dir N E S S S S S E Wind char LT LT LT LT GN GN LT LT Avg clouds FW SC SC FW CL FW FW FW FW SC SC SC FW FW SC FW PoP 12hr 5 0 5 5 20 20 30 10 Rain shwrs S S S C C Tstms S S S C S $$ IAZ035-252100- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 452 AM CDT Sat Jul 25 2026 Date Sat 07/25/26 Sun 07/26/26 Mon 07/27/26 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 93 74 96 75 96 Temp 69 78 87 92 92 80 77 75 74 85 92 95 93 83 80 77 75 85 93 96 94 Dewpt 68 72 75 74 75 75 74 70 71 77 78 77 77 74 73 71 71 73 73 69 70 RH 97 82 68 56 58 85 90 84 90 77 64 56 60 74 79 82 87 67 52 42 46 Wind dir S SW SW SW S S S SW S SW SW S S S SW SW S SW NW N N Wind spd 4 6 6 6 5 4 4 5 5 8 10 12 12 11 10 10 5 6 8 11 8 Clouds OV B2 SC FW FW FW B1 B2 B1 B2 B1 B1 SC SC SC SC FW FW FW FW FW PoP 12hr 5 20 10 50 5 QPF 12hr 0 0 0 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C Tstms S S S C S Obvis F Heat index 96102102 96107110108 90 92102102100 Max heat 96 105 99 107 112 105 102 104 Heat Y Y Y Y Y Y Y Y Date Tue 07/28/26 Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 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 70 91 67 92 68 90 68 90 Temp 75 71 88 88 72 69 89 90 73 69 87 87 72 69 86 87 Dewpt 67 67 69 67 68 67 67 67 67 66 69 68 68 67 69 68 PWind dir N NE SE SE SE S SE SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC SC SC FW FW FW FW FW SC SC SC SC SC SC FW PoP 12hr 0 0 5 5 20 20 30 10 Rain shwrs S S S S C C Tstms S S S C C $$ IAZ094-252100- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 452 AM CDT Sat Jul 25 2026 Date Sat 07/25/26 Sun 07/26/26 Mon 07/27/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 72 94 76 95 Temp 70 79 86 90 88 79 76 74 73 85 92 94 91 83 80 77 76 84 92 95 92 Dewpt 70 74 75 74 76 75 74 73 71 78 78 75 75 75 72 70 70 73 74 71 72 RH 100 85 70 60 68 88 94 97 93 80 64 54 60 77 77 79 82 70 56 46 52 Wind dir S SW SE S S S S SW SW SW SW S S S SW SW S SW SW W NW Wind spd 4 3 3 3 3 3 3 3 4 6 9 11 11 9 10 10 9 9 9 8 5 Clouds OV B1 SC FW FW SC SC SC B1 SC B1 FW SC SC B1 SC SC FW FW FW FW PoP 12hr 5 0 5 10 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle Obvis F Heat index 95 99 99 96107106102 90 91101103101 Max heat 96 102 99 109 109 102 103 105 Dense Fog Y Date Tue 07/28/26 Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 73 91 69 91 70 89 69 89 Temp 77 73 88 88 74 71 88 89 75 71 86 87 74 70 86 86 Dewpt 69 68 69 67 68 67 68 67 67 67 69 67 68 68 69 67 PWind dir N NE E SE SE S SE SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC SC SC SC SC FW FW FW SC SC SC SC SC SC FW PoP 12hr 0 5 5 0 10 20 20 20 Rain shwrs S S S S S Tstms S S S S S $$ IAZ017-252100- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 452 AM CDT Sat Jul 25 2026 Date Sat 07/25/26 Sun 07/26/26 Mon 07/27/26 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 72 93 74 92 Temp 68 77 84 89 88 79 76 74 74 83 88 92 90 81 79 76 74 82 89 92 89 Dewpt 67 71 74 75 77 75 73 73 71 77 78 79 77 74 72 72 71 74 74 70 71 RH 97 82 72 64 70 88 90 97 90 82 72 66 66 79 79 87 90 77 61 49 56 Wind dir SW SW SW SW S S S S SW SW SW S S S S SW SW W NW N N Wind spd 5 9 8 8 6 5 5 6 8 9 10 12 11 12 12 12 8 9 10 12 10 Clouds OV B2 SC FW FW FW B2 OV B2 B1 B1 B1 SC SC SC SC SC CL FW FW FW PoP 12hr 5 10 5 50 5 QPF 12hr 0 0.01 0 0.03 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C Tstms S S C S Obvis PF Heat index 91 99101 92102108104 86 88 98 98 95 Max heat 92 105 100 103 110 100 98 98 Heat Y Y Y Y Y Y Y Y Date Tue 07/28/26 Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 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 69 88 66 89 67 88 66 87 Temp 74 70 85 86 72 68 86 87 72 69 85 85 71 68 84 85 Dewpt 66 66 69 69 67 67 69 69 66 65 70 70 67 67 70 69 PWind dir N N SE SE SE SE S SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC SC FW FW FW FW FW FW SC SC SC SC SC SC FW PoP 12hr 0 5 5 20 10 20 30 20 Rain shwrs S S S C C S Tstms S S C C S $$ IAZ049-252100- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 452 AM CDT Sat Jul 25 2026 Date Sat 07/25/26 Sun 07/26/26 Mon 07/27/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 72 94 75 94 Temp 68 77 83 89 88 77 75 74 73 84 89 92 91 82 79 77 75 84 90 93 90 Dewpt 67 71 74 75 76 74 73 72 71 77 79 78 77 73 73 72 71 75 76 74 73 RH 97 82 74 64 68 90 94 93 93 80 73 64 64 74 82 85 87 74 64 54 58 Wind dir S SW S SW SW S S S SW SW SW SW S S SW SW SW SW W NW N Wind spd 4 4 4 5 4 3 3 4 5 6 9 10 9 10 9 10 9 9 9 10 8 Clouds OV B2 SC FW FW FW SC B1 B1 B1 B2 SC SC SC SC SC SC FW FW FW FW PoP 12hr 5 5 10 30 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C Tstms C S Obvis F Heat index 89 98 98 94105108104 87 92102104 98 Max heat 90 102 96 106 112 102 105 107 Date Tue 07/28/26 Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 89 66 90 68 89 67 88 Temp 75 71 85 86 71 69 87 87 72 70 85 85 72 69 85 84 Dewpt 68 67 71 70 68 67 70 69 66 66 70 69 67 66 70 69 PWind dir N N E SE SE S SE SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC SC FW FW FW FW FW FW SC SC SC SC SC SC FW PoP 12hr 0 0 0 5 10 20 30 20 Rain shwrs S C C S S Tstms S S C S S $$ IAZ086-252100- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 452 AM CDT Sat Jul 25 2026 Date Sat 07/25/26 Sun 07/26/26 Mon 07/27/26 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 72 96 77 96 Temp 68 78 84 90 89 79 75 73 74 86 93 95 93 84 80 78 77 86 93 96 93 Dewpt 68 72 75 75 75 75 74 73 72 78 77 75 74 75 75 73 72 74 75 74 73 RH 100 82 74 62 64 88 97100 93 77 60 53 54 74 85 85 85 68 56 49 52 Wind dir S S S SW SW S S S SW SW SW SW SW S SW SW SW SW SW W NW Wind spd 4 2 2 3 3 3 3 4 4 6 8 10 9 9 9 11 11 11 11 11 10 Clouds B2 B2 SC FW FW FW SC B1 SC SC B1 B1 B1 SC SC SC SC FW CL CL FW PoP 12hr 5 5 5 10 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Drizzle Obvis PF Heat index 92100 99 98107107103 91 85 94105107102 Max heat 94 102 96 107 110 102 106 109 Date Tue 07/28/26 Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 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 73 91 68 92 70 91 69 90 Temp 77 73 88 88 73 70 89 90 74 72 88 88 74 71 87 87 Dewpt 70 70 70 69 69 68 67 66 67 67 68 67 68 68 69 68 PWind dir NW NE E E SE SE SE E Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC SC FW FW FW FW SC SC SC SC SC SC FW PoP 12hr 5 0 0 0 10 10 20 20 Rain shwrs S S S Tstms S S S $$