Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
819 FOUS53 KDMX 170452 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 1152 PM CDT Thu Jul 16 2026 IAZ060-170900- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 1152 PM CDT Thu Jul 16 2026 Date 07/16/26 Fri 07/17/26 Sat 07/18/26 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 73 93 75 94 70 Temp 77 75 75 86 92 93 91 82 79 77 76 86 92 94 91 81 75 72 70 Dewpt 71 69 69 71 70 70 70 71 70 69 70 71 71 71 70 69 67 65 66 RH 82 82 82 61 49 47 50 69 74 76 82 61 51 47 50 67 76 79 87 Wind dir S SW SW SW SW SW SW SW SW SW W NW NW NW N NE NE E E Wind spd 3 4 3 4 6 9 8 5 6 8 5 5 5 8 8 5 3 3 3 Clouds SC FW FW FW FW FW FW FW CL FW CL FW FW FW FW FW FW FW FW PoP 12hr 5 20 10 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms S Heat index 92 98 99 97 87 91 99102 97 Max heat 100 103 97 100 104 94 Date 07/19 Mon 07/20/26 Tue 07/21/26 Wed 07/22/26 Thu 07/23/26 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 92 74 98 73 89 65 83 63 81 Temp 89 90 78 75 95 94 79 74 87 86 71 66 81 81 69 64 78 80 Dewpt 68 67 67 68 71 69 67 65 63 60 59 58 57 56 58 58 59 59 PWind dir E SE SW NW N N NE E SE Wind char LT LT GN LT GN LT LT LT LT Avg clouds FW FW FW SC SC SC SC SC FW SC SC SC FW SC SC SC SC SC PoP 12hr 0 5 20 20 5 5 0 20 20 Rain shwrs S S S S S S Tstms S S S S S S $$ IAZ039-170900- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 1152 PM CDT Thu Jul 16 2026 Date 07/16/26 Fri 07/17/26 Sat 07/18/26 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 91 73 89 66 Temp 75 73 73 84 89 90 89 80 77 75 75 83 87 89 86 76 70 68 67 Dewpt 72 70 70 74 73 73 74 72 71 70 70 72 72 71 69 66 65 63 64 RH 90 90 90 72 59 58 61 77 82 84 84 70 61 56 57 71 84 84 90 Wind dir S S S SW SW SW SW SW SW W NW N N N N N N NE E Wind spd 2 2 2 3 8 10 8 6 8 8 6 9 9 10 9 5 3 3 3 Clouds CL FW FW FW FW FW CL FW FW FW FW FW SC FW FW FW FW FW FW PoP 12hr 5 10 5 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Tstms Heat index 91 97 98 98 88 94 94 Max heat 99 101 96 95 96 87 Date 07/19 Mon 07/20/26 Tue 07/21/26 Wed 07/22/26 Thu 07/23/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 70 92 70 84 61 79 60 79 Temp 84 85 73 72 88 89 75 70 81 80 67 63 77 76 65 62 76 77 Dewpt 67 67 66 68 74 73 67 64 64 61 58 57 58 57 58 57 60 60 PWind dir SE S SW NW N N N SE S Wind char LT GN GN GN GN GN LT LT LT Avg clouds FW FW SC SC B1 SC SC SC FW FW FW FW SC SC SC SC SC SC PoP 12hr 0 20 40 10 5 5 5 10 20 Rain shwrs S C S S S Tstms S C S S S $$ IAZ048-170900- Ames-Story IA 41.99N 93.62W Elev. 936 ft 1152 PM CDT Thu Jul 16 2026 Date 07/16/26 Fri 07/17/26 Sat 07/18/26 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 71 93 73 92 68 Temp 75 72 73 85 90 92 90 81 78 75 74 85 90 91 88 77 73 69 69 Dewpt 71 69 70 73 72 72 73 72 71 70 70 72 72 72 70 68 67 65 65 RH 87 90 90 67 56 52 58 74 79 84 87 65 56 54 55 74 81 87 87 Wind dir S S SW SW SW SW SW SW SW W W NW N N N NE NE E E Wind spd 2 2 3 4 8 8 6 5 6 5 4 5 6 6 8 5 3 2 3 Clouds SC FW FW CL FW FW FW FW FW FW CL FW FW FW FW FW FW FW FW PoP 12hr 5 20 5 0 0 QPF 12hr 0 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms S Heat index 92 97100 99 91 98100 93 Max heat 98 102 97 100 101 90 Date 07/19 Mon 07/20/26 Tue 07/21/26 Wed 07/22/26 Thu 07/23/26 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 91 72 97 71 87 63 81 62 80 Temp 88 88 76 74 93 92 77 72 85 84 69 64 79 79 67 63 78 78 Dewpt 68 69 68 69 73 71 67 65 64 61 59 59 58 59 59 59 61 61 PWind dir SE S SW NW N N NE E SE Wind char LT LT GN LT GN LT LT LT LT Avg clouds FW FW FW SC SC SC SC FW FW SC SC SC FW SC SC SC SC SC PoP 12hr 0 10 20 10 0 0 0 20 20 Rain shwrs S S S S Tstms S S S S $$ IAZ004-170900- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 1152 PM CDT Thu Jul 16 2026 Date 07/16/26 Fri 07/17/26 Sat 07/18/26 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 93 70 86 64 Temp 72 69 70 82 89 92 91 79 76 72 70 78 83 86 84 73 68 65 65 Dewpt 69 66 66 71 70 68 70 69 66 66 66 68 67 66 65 63 62 61 62 RH 90 90 87 69 54 46 50 72 71 81 87 71 59 51 53 71 81 87 90 Wind dir S S SW SW SW SW SW SW W N N N N N NE NE E SE SE Wind spd 4 6 6 9 10 10 6 10 9 9 10 10 9 10 8 4 3 3 3 Clouds CL CL CL CL CL CL CL CL FW SC SC FW FW FW FW SC FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 94 97 Max heat 94 99 93 86 88 83 Date 07/19 Mon 07/20/26 Tue 07/21/26 Wed 07/22/26 Thu 07/23/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 71 93 66 83 60 80 59 79 Temp 86 87 76 73 90 90 73 67 80 80 66 62 77 78 64 61 76 78 Dewpt 65 67 66 66 70 66 62 59 60 57 56 56 56 54 57 57 58 59 PWind dir S S W N N N NW S S Wind char LT GN GN GN BZ GN LT LT LT Avg clouds FW SC SC SC SC SC FW FW FW FW FW FW SC FW SC SC SC SC PoP 12hr 0 40 20 5 0 0 5 30 30 Rain shwrs S C S C C Tstms S C S $$ IAZ035-170900- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 1152 PM CDT Thu Jul 16 2026 Date 07/16/26 Fri 07/17/26 Sat 07/18/26 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 94 72 91 66 Temp 74 71 71 84 90 93 91 80 77 74 72 83 88 90 87 75 71 67 67 Dewpt 71 68 68 72 71 70 71 70 69 68 68 70 69 68 67 65 64 63 63 RH 90 90 90 67 54 47 52 72 76 82 87 65 54 49 52 71 79 87 87 Wind dir S S SW SW SW SW SW SW SW W N N N N N NE NE E E Wind spd 3 3 3 5 8 8 5 5 6 5 4 6 6 6 6 4 2 1 2 Clouds FW FW FW CL FW FW FW FW FW FW FW CL FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Heat index 90 96 98 98 Max heat 96 101 95 94 95 86 Date 07/19 Mon 07/20/26 Tue 07/21/26 Wed 07/22/26 Thu 07/23/26 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 91 72 97 69 87 61 82 60 81 Temp 88 88 76 74 93 92 75 70 84 83 67 63 79 78 66 62 77 78 Dewpt 66 67 67 67 70 68 65 62 61 58 58 57 56 56 57 58 59 59 PWind dir SE S W NW N N E SE S Wind char LT LT GN LT GN LT LT LT LT Avg clouds FW FW SC SC SC SC SC FW FW FW SC FW SC SC SC SC SC SC PoP 12hr 0 20 20 10 5 0 5 20 30 Rain shwrs S S S S C S Tstms S S S S S S $$ IAZ094-170900- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 1152 PM CDT Thu Jul 16 2026 Date 07/16/26 Fri 07/17/26 Sat 07/18/26 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 90 73 92 71 Temp 74 72 73 83 88 90 88 80 77 75 74 84 90 92 89 80 75 72 71 Dewpt 70 69 69 71 70 69 70 70 70 69 70 71 70 70 70 71 69 67 68 RH 87 90 87 67 55 50 55 72 79 82 87 65 52 49 54 74 82 84 90 Wind dir SW SW SW SW SW SW SW SW SW SW W W W W NW NE NE E E Wind spd 4 4 4 5 8 10 8 5 6 8 6 6 5 6 5 3 4 3 3 Clouds SC SC FW CL SC SC FW FW FW CL CL CL FW FW FW FW FW FW CL PoP 12hr 5 20 20 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Tstms S S S Heat index 88 94 95 93 89 96 99 95 Max heat 95 97 93 98 100 93 Date 07/19 Mon 07/20/26 Tue 07/21/26 Wed 07/22/26 Thu 07/23/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 73 96 73 90 66 83 64 84 Temp 89 88 77 74 94 93 79 74 88 86 71 67 82 80 69 66 80 81 Dewpt 69 68 69 68 70 69 68 65 63 60 60 59 57 57 58 59 59 59 PWind dir E S SW W N NE NE E SE Wind char LT LT GN LT GN GN LT LT LT Avg clouds FW FW FW FW FW SC SC SC SC SC SC SC FW SC SC B1 SC SC PoP 12hr 5 0 10 10 5 5 0 20 20 Rain shwrs S S Tstms S S $$ IAZ017-170900- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 1152 PM CDT Thu Jul 16 2026 Date 07/16/26 Fri 07/17/26 Sat 07/18/26 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 92 71 87 63 Temp 73 72 72 84 88 91 90 78 76 73 71 79 84 86 85 73 69 65 65 Dewpt 70 68 69 72 71 71 72 70 69 68 68 70 69 68 67 64 63 62 63 RH 90 87 90 67 57 52 56 76 79 84 90 74 61 55 55 73 81 90 93 Wind dir S SW SW SW SW SW SW SW SW W N N N N N N NE E E Wind spd 3 3 3 5 8 9 6 6 9 8 6 9 9 8 6 3 2 1 2 Clouds CL FW FW CL FW FW FW FW SC FW FW FW SC FW SC FW FW FW FW PoP 12hr 5 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Tstms Heat index 89 94 97 97 Max heat 95 100 93 88 91 83 Date 07/19 Mon 07/20/26 Tue 07/21/26 Wed 07/22/26 Thu 07/23/26 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 87 69 92 67 82 59 77 58 78 Temp 84 84 74 71 87 88 73 68 80 80 65 61 75 75 64 61 75 77 Dewpt 66 68 66 67 72 70 63 62 61 59 56 56 56 58 56 57 58 59 PWind dir SE S W NW N N N SE S Wind char LT GN GN GN BZ LT LT LT LT Avg clouds FW SC SC SC SC SC FW FW FW FW SC FW FW SC SC SC SC SC PoP 12hr 0 40 30 10 5 5 5 20 20 Rain shwrs C C S S S Tstms C S S S $$ IAZ049-170900- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 1152 PM CDT Thu Jul 16 2026 Date 07/16/26 Fri 07/17/26 Sat 07/18/26 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 92 72 91 66 Temp 74 71 72 84 89 91 89 79 76 74 74 84 89 90 86 75 70 68 67 Dewpt 70 68 69 73 73 72 73 71 70 69 69 71 72 71 69 67 65 63 64 RH 87 90 90 70 59 54 59 77 82 84 84 65 57 54 57 76 84 84 90 Wind dir S SW SW SW SW SW SW SW SW W W NW N N N N NE NE E Wind spd 3 2 3 3 6 8 5 5 6 6 5 6 6 8 8 4 3 2 3 Clouds FW FW FW CL FW FW CL FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 20 5 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S S Heat index 91 96 98 96 89 96 96 Max heat 98 101 94 97 98 87 Date 07/19 Mon 07/20/26 Tue 07/21/26 Wed 07/22/26 Thu 07/23/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 70 94 69 85 61 79 60 79 Temp 85 85 73 72 89 89 75 70 83 81 66 62 77 76 65 62 76 76 Dewpt 68 68 65 68 73 72 66 64 64 62 59 57 58 58 57 57 60 60 PWind dir SE S SW NW N N NE SE S Wind char LT LT GN LT GN LT LT LT LT Avg clouds FW FW FW SC SC SC SC SC FW FW SC SC FW FW SC SC SC SC PoP 12hr 0 10 30 10 0 5 0 10 20 Rain shwrs C S S Tstms C S S $$ IAZ086-170900- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 1152 PM CDT Thu Jul 16 2026 Date 07/16/26 Fri 07/17/26 Sat 07/18/26 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 72 93 73 93 69 Temp 76 73 74 84 90 92 89 80 77 75 75 85 91 93 90 80 75 70 70 Dewpt 71 70 71 72 72 72 72 73 72 71 71 73 73 73 73 71 69 67 68 RH 85 90 90 67 56 52 57 79 85 87 87 67 56 52 58 74 82 90 93 Wind dir SW SW SW W W W SW SW SW SW W W NW NW N N NE NE E Wind spd 4 4 4 5 6 8 6 5 6 9 8 9 8 9 8 5 4 4 4 Clouds SC FW FW FW FW SC SC FW FW CL FW CL FW FW SC SC SC FW FW PoP 12hr 5 20 20 10 10 QPF 12hr 0 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S Tstms S S S S Heat index 91 97 99 96 92100102 97 Max heat 99 100 93 101 103 94 Date 07/19 Mon 07/20/26 Tue 07/21/26 Wed 07/22/26 Thu 07/23/26 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 90 71 96 73 89 63 83 63 82 Temp 87 88 75 73 92 92 78 74 87 85 69 65 80 80 68 64 79 80 Dewpt 69 68 69 70 72 72 69 67 66 63 61 59 58 58 58 59 59 59 PWind dir E SE SW W N N NE E SE Wind char LT LT GN LT GN GN LT LT LT Avg clouds FW FW FW SC SC SC SC FW FW FW SC SC FW FW SC SC FW SC PoP 12hr 0 5 20 20 5 5 0 10 20 Rain shwrs S S S S Tstms S S S S $$