Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
912 FOUS53 KDMX 161144 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 644 AM CDT Thu Jul 16 2026 IAZ060-162100- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 644 AM CDT Thu Jul 16 2026 Date Thu 07/16/26 Fri 07/17/26 Sat 07/18/26 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 94 75 94 Temp 74 85 90 90 88 80 76 74 74 84 90 92 91 83 79 77 75 86 92 94 91 Dewpt 71 72 68 70 71 71 71 70 70 72 71 70 69 70 69 68 68 71 71 70 69 RH 90 65 49 52 57 74 85 87 87 67 54 49 49 65 72 74 79 61 51 46 49 Wind dir NE SE S SW W SE SW SW SW SW SW SW SW SW SW SW W W NW NW N Wind spd 1 1 2 3 3 2 2 3 3 4 6 9 8 5 8 8 5 6 8 8 8 Clouds FW FW FW SC SC FW FW SC CL FW SC SC SC FW FW FW CL CL CL FW FW PoP 12hr 20 20 10 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S S Heat index 91 96 94 90 96 98 96 91 99100 96 Max heat 95 96 93 97 99 96 100 102 Date Sun 07/19/26 Mon 07/20/26 Tue 07/21/26 Wed 07/22/26 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 73 95 72 89 66 86 Temp 75 70 88 89 77 74 92 93 78 72 86 86 72 67 83 83 Dewpt 67 65 66 65 65 67 71 69 67 64 64 60 61 60 59 58 PWind dir NE SE SE W NW N NE E Wind char LT LT LT GN LT GN LT LT Avg clouds FW FW FW FW FW SC SC SC SC FW FW FW FW SC SC SC PoP 12hr 5 0 5 20 10 5 5 5 Rain shwrs S $$ IAZ039-162100- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 644 AM CDT Thu Jul 16 2026 Date Thu 07/16/26 Fri 07/17/26 Sat 07/18/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 92 71 92 74 89 Temp 73 85 89 91 88 80 75 73 73 83 88 90 88 80 77 76 74 82 87 89 86 Dewpt 72 75 72 70 72 74 72 71 71 73 73 72 73 72 70 69 69 72 73 70 69 RH 97 72 57 50 59 82 90 93 93 72 61 56 61 77 79 79 84 72 63 54 57 Wind dir N W W W SW SW S SW SW SW SW SW SW S SW SW W NW N N N Wind spd 0 1 2 3 3 1 2 2 2 3 6 9 6 5 6 9 6 9 10 11 8 Clouds FW FW SC SC FW SC FW FW SC FW FW SC FW FW FW FW FW FW FW FW FW PoP 12hr 20 10 10 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms S Obvis PF Heat index 94 97 97 96 89 96 98 97 87 94 94 91 Max heat 97 98 94 97 99 94 95 97 Date Sun 07/19/26 Mon 07/20/26 Tue 07/21/26 Wed 07/22/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 87 69 90 68 84 62 81 Temp 71 67 84 85 72 71 86 88 73 69 82 81 67 64 79 79 Dewpt 64 63 66 66 64 66 73 72 66 64 65 63 60 59 61 60 PWind dir NE SE S SW NW N NE E Wind char LT LT LT GN GN GN LT LT Avg clouds FW FW FW FW FW SC B1 SC SC FW SC FW FW SC SC SC PoP 12hr 0 0 30 40 10 5 5 5 Rain shwrs C C Tstms S S $$ IAZ048-162100- Ames-Story IA 41.99N 93.62W Elev. 936 ft 644 AM CDT Thu Jul 16 2026 Date Thu 07/16/26 Fri 07/17/26 Sat 07/18/26 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 71 92 74 93 Temp 72 84 89 90 88 79 75 73 73 83 88 91 89 81 78 76 74 84 90 92 89 Dewpt 70 74 70 69 71 72 71 70 70 73 73 73 72 71 70 68 69 72 72 71 70 RH 93 72 54 50 57 79 87 90 90 72 61 56 57 72 76 76 84 67 56 51 54 Wind dir N E SW W SW S S S SW SW SW SW SW SW SW SW W W NW N NE Wind spd 0 1 2 2 2 1 1 1 2 4 6 8 5 5 6 5 4 6 8 8 6 Clouds FW CL FW SC FW FW FW FW FW FW FW FW FW FW FW FW FW CL FW FW FW PoP 12hr 20 10 5 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms S Obvis PF Heat index 91 94 95 94 89 96 99 97 86 90 97 99 94 Max heat 95 96 92 97 100 95 98 101 Date Sun 07/19/26 Mon 07/20/26 Tue 07/21/26 Wed 07/22/26 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 67 90 71 94 70 87 64 84 Temp 73 68 87 88 75 73 90 90 76 71 85 84 70 66 81 82 Dewpt 66 65 67 67 65 67 73 71 66 64 65 62 61 60 61 60 PWind dir NE SE SE W NW N NE E Wind char LT LT LT GN LT GN LT LT Avg clouds FW FW FW FW FW SC B1 SC SC FW FW SC FW SC SC SC PoP 12hr 0 0 10 20 10 5 5 5 Rain shwrs S Tstms S $$ IAZ004-162100- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 644 AM CDT Thu Jul 16 2026 Date Thu 07/16/26 Fri 07/17/26 Sat 07/18/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 69 93 71 88 Temp 70 83 87 90 88 78 73 71 71 84 90 91 90 81 77 73 71 79 85 88 86 Dewpt 65 70 69 66 70 70 69 68 68 71 69 68 69 68 66 65 66 68 66 65 64 RH 84 65 55 45 55 76 87 90 90 65 50 47 50 65 69 76 84 69 53 47 48 Wind dir SW SW S S S S S SW SW SW SW SW S S SW W N N N N NE Wind spd 2 3 3 5 4 5 6 6 6 9 10 10 8 9 9 10 10 11 10 10 9 Clouds FW FW FW SC FW FW CL FW CL CL FW FW CL FW FW FW FW CL FW FW FW PoP 12hr 5 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF Heat index 93 89 95 95 Max heat 91 95 90 95 97 92 88 90 Date Sun 07/19/26 Mon 07/20/26 Tue 07/21/26 Wed 07/22/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 89 70 92 66 84 61 81 Temp 69 65 86 87 75 71 89 89 72 67 81 81 66 63 78 79 Dewpt 62 61 64 65 64 65 68 65 62 60 60 58 57 57 57 57 PWind dir E S S W N N NE SE Wind char LT LT GN GN GN BZ GN GN Avg clouds FW SC SC SC SC SC B1 SC FW FW SC FW FW SC SC SC PoP 12hr 0 5 40 10 10 5 5 5 Rain shwrs S C Tstms S S $$ IAZ035-162100- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 644 AM CDT Thu Jul 16 2026 Date Thu 07/16/26 Fri 07/17/26 Sat 07/18/26 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 92 73 92 Temp 71 84 88 90 89 79 74 72 72 84 89 91 90 81 78 75 73 83 89 91 89 Dewpt 68 73 70 68 70 71 71 69 69 72 71 71 71 69 68 67 67 70 69 67 66 RH 90 70 55 49 54 77 90 90 90 67 56 52 54 67 71 76 81 65 52 45 47 Wind dir NE N SW SW SW S S S SW SW SW SW SW S SW SW W N N N N Wind spd 1 0 1 2 3 2 2 2 3 5 6 6 5 5 5 5 4 6 8 6 6 Clouds FW FW SC SC FW FW FW FW CL FW FW FW FW CL FW FW FW FW FW FW FW PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF Heat index 90 93 94 90 95 98 96 Max heat 94 95 92 95 98 93 94 96 Date Sun 07/19/26 Mon 07/20/26 Tue 07/21/26 Wed 07/22/26 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 65 90 71 95 68 87 62 84 Temp 71 66 87 88 75 72 91 91 74 69 84 83 68 64 81 81 Dewpt 64 63 65 66 65 66 70 68 64 62 62 60 59 58 59 59 PWind dir NE SE S W N N NE E Wind char LT LT GN GN LT GN LT LT Avg clouds FW FW FW SC SC SC B1 SC SC FW FW SC SC SC SC SC PoP 12hr 0 0 20 20 20 5 5 5 Rain shwrs S S S Tstms S S S $$ IAZ094-162100- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 644 AM CDT Thu Jul 16 2026 Date Thu 07/16/26 Fri 07/17/26 Sat 07/18/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 71 92 73 93 Temp 73 83 88 90 88 79 75 72 73 83 89 91 89 80 77 74 73 84 90 93 89 Dewpt 69 70 68 68 68 70 70 69 69 72 71 70 69 70 69 68 68 70 70 68 69 RH 87 65 52 49 52 74 84 90 87 70 56 50 52 72 76 82 84 63 52 44 52 Wind dir W SW SW S SW S S SW SW SW SW SW SW SW SW SW SW W W W W Wind spd 1 2 2 4 2 3 4 3 3 5 8 10 6 5 6 8 6 8 6 9 6 Clouds FW FW FW SC SC FW FW FW FW FW SC FW CL FW FW CL CL CL CL FW FW PoP 12hr 20 20 10 0 0 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S S Heat index 88 95 96 89 96 94 Max heat 92 94 91 95 97 92 98 100 Date Sun 07/19/26 Mon 07/20/26 Tue 07/21/26 Wed 07/22/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 91 72 95 72 90 67 86 Temp 75 71 88 89 76 74 92 91 78 73 88 87 72 68 84 84 Dewpt 69 67 67 66 67 68 70 68 67 65 63 60 61 61 59 58 PWind dir NE SE S SW N NE NE E Wind char LT LT LT GN LT GN LT LT Avg clouds FW FW FW FW FW SC FW SC SC SC FW FW FW SC SC SC PoP 12hr 5 0 0 10 10 5 5 5 $$ IAZ017-162100- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 644 AM CDT Thu Jul 16 2026 Date Thu 07/16/26 Fri 07/17/26 Sat 07/18/26 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 70 91 72 88 Temp 71 83 87 89 87 78 73 71 72 83 88 90 87 79 77 74 72 80 85 87 86 Dewpt 70 73 71 68 72 72 70 69 70 72 71 72 73 69 68 67 67 70 69 67 66 RH 97 72 59 50 61 82 90 93 93 70 57 56 63 72 74 79 84 72 59 52 51 Wind dir NW W SW SW SW S S SW SW SW SW SW SW S SW W NW N N N N Wind spd 0 1 2 2 2 2 3 3 3 5 8 8 5 6 8 9 8 10 9 8 6 Clouds FW FW FW SC SC FW FW FW FW FW B1 SC FW FW CL FW FW FW FW FW FW PoP 12hr 10 0 5 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF Heat index 89 93 94 88 94 96 95 Max heat 94 96 93 94 97 92 89 91 Date Sun 07/19/26 Mon 07/20/26 Tue 07/21/26 Wed 07/22/26 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 63 86 68 90 66 83 60 81 Temp 69 64 83 84 73 70 86 87 72 68 80 81 66 62 78 78 Dewpt 62 62 65 66 64 65 71 69 63 62 62 60 57 58 59 59 PWind dir NE SE S W N N NE E Wind char LT LT GN GN GN GN LT LT Avg clouds FW FW FW SC SC SC B1 SC FW FW FW SC FW SC SC SC PoP 12hr 0 5 40 30 10 5 5 5 Rain shwrs C C Tstms S S $$ IAZ049-162100- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 644 AM CDT Thu Jul 16 2026 Date Thu 07/16/26 Fri 07/17/26 Sat 07/18/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 71 91 73 91 Temp 72 84 88 90 88 78 75 72 73 83 88 90 88 79 76 75 73 83 88 90 86 Dewpt 68 73 71 70 70 71 71 70 71 73 72 72 72 71 69 68 68 72 73 71 70 RH 87 70 57 52 55 79 87 93 93 72 59 56 59 77 79 79 84 70 61 54 59 Wind dir NW N SW W SW S S SW SW SW SW SW SW SW SW SW W W NW N N Wind spd 1 0 1 2 2 0 1 1 2 3 5 6 4 4 6 6 5 6 8 9 6 Clouds FW CL SC SC FW FW FW FW FW FW FW SC FW FW FW FW CL CL FW FW FW PoP 12hr 20 10 10 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms S Obvis PF Heat index 91 94 96 93 89 95 97 95 88 95 96 91 Max heat 95 96 92 96 99 92 96 98 Date Sun 07/19/26 Mon 07/20/26 Tue 07/21/26 Wed 07/22/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 88 69 92 68 85 62 82 Temp 71 67 85 85 72 71 87 88 74 69 83 81 67 64 79 79 Dewpt 65 63 66 66 63 66 73 71 66 64 65 63 60 59 61 60 PWind dir NE SE S SW NW N NE E Wind char LT LT LT GN LT GN LT LT Avg clouds FW FW FW FW FW SC B1 SC SC FW FW FW FW SC SC SC PoP 12hr 0 0 10 20 10 5 5 5 Rain shwrs S Tstms S $$ IAZ086-162100- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 644 AM CDT Thu Jul 16 2026 Date Thu 07/16/26 Fri 07/17/26 Sat 07/18/26 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 92 73 94 Temp 73 85 90 91 89 80 76 73 75 84 90 91 89 80 76 74 75 85 92 93 90 Dewpt 71 72 69 69 70 70 70 70 71 72 71 71 71 72 71 70 71 72 72 71 71 RH 93 65 50 49 54 72 82 90 87 67 54 52 56 77 85 87 87 65 52 49 54 Wind dir W NE E S S SE SW W SW SW SW SW W SW SW SW W W W NW N Wind spd 2 1 2 3 3 3 3 4 4 4 6 9 6 5 6 9 8 9 9 10 9 Clouds FW FW FW SC SC SC FW FW FW FW B1 SC SC FW FW CL CL CL CL FW SC PoP 12hr 20 20 30 20 10 QPF 12hr 0 0 0 0.03 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S Tstms S S S S Obvis PF Heat index 91 95 96 94 90 96 98 95 91100101 96 Max heat 96 96 92 96 99 95 101 102 Date Sun 07/19/26 Mon 07/20/26 Tue 07/21/26 Wed 07/22/26 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 71 95 71 89 65 85 Temp 74 70 87 88 74 73 90 91 77 72 86 85 71 67 82 83 Dewpt 69 67 66 65 66 68 72 71 69 66 66 63 63 61 60 59 PWind dir NE E SE SW NW N NE E Wind char LT LT LT GN GN GN LT GN Avg clouds SC FW FW FW FW FW SC SC SC FW FW FW FW SC SC SC PoP 12hr 10 0 5 20 20 10 5 5 Rain shwrs S S Tstms S S $$