Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
274 FOUS53 KDMX 151022 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 522 AM CDT Wed Jul 15 2026 IAZ060-152100- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 522 AM CDT Wed Jul 15 2026 Date Wed 07/15/26 Thu 07/16/26 Fri 07/17/26 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 72 92 73 95 Temp 71 85 91 92 90 82 77 74 74 86 91 91 90 82 78 75 74 86 92 95 93 Dewpt 69 71 69 70 69 71 70 69 70 71 69 68 69 68 69 68 69 70 69 67 67 RH 93 63 49 49 50 69 79 84 87 61 49 47 50 63 74 79 84 59 47 40 43 Wind dir SE NE E E E E SE E SW W S S S S S SW SW SW SW SW SW Wind spd 2 2 3 5 4 3 1 1 1 1 3 4 4 3 3 3 3 3 6 9 8 Clouds FW FW FW FW FW FW FW FW FW SC SC SC B1 SC FW FW FW FW FW FW FW PoP 12hr 0 0 20 5 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 90 96 98 96 91 96 95 91 97 Max heat 97 99 96 96 96 92 98 101 Date Sat 07/18/26 Sun 07/19/26 Mon 07/20/26 Tue 07/21/26 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 75 96 73 95 76 95 70 87 Temp 80 76 93 93 78 74 93 93 80 77 93 92 77 71 85 85 Dewpt 68 67 68 66 67 66 67 64 64 66 67 63 63 60 59 56 PWind dir SW W NE SE S NW NW N Wind char LT GN LT LT LT GN GN GN Avg clouds FW FW FW FW FW FW FW FW FW SC SC FW SC FW FW FW PoP 12hr 5 0 0 0 5 10 10 5 $$ IAZ039-152100- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 522 AM CDT Wed Jul 15 2026 Date Wed 07/15/26 Thu 07/16/26 Fri 07/17/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 71 91 71 91 Temp 68 83 89 91 89 80 75 73 73 84 89 89 89 80 75 73 72 83 89 91 90 Dewpt 66 73 74 73 73 73 72 71 72 75 72 71 72 72 70 70 70 73 73 71 73 RH 93 72 61 56 59 79 90 93 97 74 57 56 57 77 84 90 93 72 59 52 58 Wind dir NW NW N N NE NE N NW S SW SW SW SW SE SE S SW SW SW SW SW Wind spd 1 2 2 2 2 1 0 0 0 1 2 4 3 2 2 2 2 3 5 8 5 Clouds FW FW FW FW FW SC FW FW SC FW SC SC SC FW FW FW FW FW FW FW FW PoP 12hr 0 5 10 5 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF Heat index 89 98100 97 91 96 95 96 90 96 98 97 Max heat 98 100 97 96 98 92 97 101 Date Sat 07/18/26 Sun 07/19/26 Mon 07/20/26 Tue 07/21/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 73 91 69 90 71 90 67 82 Temp 76 73 88 88 73 70 87 88 75 72 87 86 72 67 80 80 Dewpt 70 69 73 71 66 65 69 68 65 66 70 67 62 60 61 59 PWind dir SW NW NE S S NW NW N Wind char LT GN LT LT GN GN GN GN Avg clouds FW FW FW FW FW FW FW FW SC SC SC SC FW FW FW FW PoP 12hr 5 5 0 0 20 20 10 5 Rain shwrs S S S Tstms S S S $$ IAZ048-152100- Ames-Story IA 41.99N 93.62W Elev. 936 ft 522 AM CDT Wed Jul 15 2026 Date Wed 07/15/26 Thu 07/16/26 Fri 07/17/26 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 71 94 Temp 70 83 89 90 89 80 75 72 73 84 88 89 88 80 76 73 73 85 91 94 92 Dewpt 67 73 72 71 72 73 72 70 70 74 72 71 71 70 70 69 69 72 71 70 70 RH 90 72 57 54 57 79 90 93 90 72 59 56 57 72 82 87 87 65 52 46 49 Wind dir NW NE NE E E E NE N W SW SW S S SE S SW SW SW SW SW SW Wind spd 1 1 2 2 3 1 1 0 0 1 2 2 2 2 1 2 2 3 6 6 4 Clouds SC CL FW FW FW SC FW FW SC FW SC SC SC SC SC FW FW CL FW FW FW PoP 12hr 0 0 20 5 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 88 96 97 96 91 95 95 94 91 99100 98 Max heat 97 99 95 96 98 91 100 103 Date Sat 07/18/26 Sun 07/19/26 Mon 07/20/26 Tue 07/21/26 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 94 71 94 73 94 68 85 Temp 78 74 91 91 76 72 91 91 78 74 91 89 75 69 83 83 Dewpt 69 68 71 69 68 66 69 68 66 67 69 66 63 61 61 59 PWind dir SW NW NE SE S NW N N Wind char LT LT LT LT LT GN LT GN Avg clouds FW FW FW FW FW FW FW FW FW SC SC SC FW FW FW FW PoP 12hr 5 0 0 0 10 10 5 5 $$ IAZ004-152100- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 522 AM CDT Wed Jul 15 2026 Date Wed 07/15/26 Thu 07/16/26 Fri 07/17/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 68 90 69 93 Temp 67 82 88 89 88 78 73 70 70 83 87 89 88 79 74 71 70 82 90 93 91 Dewpt 64 70 70 69 69 70 68 67 67 71 70 70 70 69 67 66 66 70 69 67 70 RH 90 67 55 52 54 76 84 90 90 67 57 54 55 72 79 84 87 67 50 43 50 Wind dir W NW E SE SE SE S SW SW SW S S S S S S SW SW SW SW S Wind spd 3 3 1 3 3 3 3 3 3 3 4 5 4 5 6 6 6 8 10 9 6 Clouds FW FW FW FW CL FW CL FW FW FW FW FW FW FW CL FW FW CL FW FW CL PoP 12hr 0 0 5 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF Heat index 93 94 88 92 94 93 95 97 Max heat 93 96 92 92 96 90 95 98 Date Sat 07/18/26 Sun 07/19/26 Mon 07/20/26 Tue 07/21/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 90 67 91 70 88 64 82 Temp 76 71 87 88 72 69 88 89 75 71 86 86 71 65 79 79 Dewpt 66 65 68 67 63 63 66 67 64 64 65 63 59 58 57 55 PWind dir W N E S SW NW N N Wind char GN GN LT LT GN BZ GN BZ Avg clouds CL FW FW FW FW FW FW SC SC SC SC SC FW FW FW FW PoP 12hr 0 0 0 0 30 10 5 0 Rain shwrs S C Tstms S C $$ IAZ035-152100- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 522 AM CDT Wed Jul 15 2026 Date Wed 07/15/26 Thu 07/16/26 Fri 07/17/26 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 91 70 94 Temp 68 82 88 90 89 78 74 71 71 83 88 89 88 80 75 72 71 84 91 94 92 Dewpt 66 72 71 71 70 71 70 69 69 73 72 71 71 69 69 68 68 71 70 69 70 RH 93 72 57 54 54 79 87 93 93 72 59 56 57 69 82 87 90 65 50 44 49 Wind dir N N NE N SE SE SE N N N S S S S S S S SW SW SW S Wind spd 0 0 1 0 2 2 1 0 0 0 1 2 3 2 2 2 2 4 5 5 5 Clouds SC CL CL FW FW FW FW SC SC SC FW SC FW FW FW FW FW CL CL FW FW PoP 12hr 0 0 10 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis F Heat index 87 94 97 94 89 95 95 93 89 97 99 98 Max heat 94 98 93 95 96 90 97 100 Date Sat 07/18/26 Sun 07/19/26 Mon 07/20/26 Tue 07/21/26 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 93 69 93 72 93 66 84 Temp 77 73 90 90 74 70 90 91 77 73 90 88 73 67 81 82 Dewpt 67 67 70 68 65 65 68 68 65 65 67 65 61 59 59 58 PWind dir SW NW E SE S NW N N Wind char LT LT LT LT LT GN GN GN Avg clouds FW FW FW FW FW FW FW FW SC SC SC SC FW FW FW FW PoP 12hr 0 0 0 0 20 10 5 0 Rain shwrs S S Tstms S S $$ IAZ094-152100- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 522 AM CDT Wed Jul 15 2026 Date Wed 07/15/26 Thu 07/16/26 Fri 07/17/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 71 91 71 92 Temp 72 83 89 90 88 80 75 72 73 85 88 89 89 80 75 72 72 84 89 92 89 Dewpt 69 71 69 69 68 68 68 67 68 71 69 68 68 68 69 68 68 70 69 66 67 RH 90 67 52 50 52 67 79 84 84 63 54 50 50 67 82 87 87 63 52 43 48 Wind dir W N E SE SE S SW W W SW S SW S S SW SW SW SW SW SW SW Wind spd 1 1 2 4 3 2 2 2 1 2 3 4 4 4 4 4 4 5 8 10 8 Clouds FW FW FW FW SC SC SC FW FW CL SC SC SC FW FW FW FW FW FW FW FW PoP 12hr 0 5 10 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms S Obvis PF Heat index 88 95 90 94 Max heat 94 96 92 94 95 91 95 97 Date Sat 07/18/26 Sun 07/19/26 Mon 07/20/26 Tue 07/21/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 73 95 73 95 75 96 71 88 Temp 78 74 92 92 77 74 92 93 79 76 93 92 77 72 86 85 Dewpt 68 66 67 66 67 66 66 65 65 65 66 63 63 61 58 55 PWind dir SW W S S SW W N N Wind char LT GN LT LT LT GN GN GN Avg clouds FW CL CL FW FW FW CL FW FW SC FW SC SC SC FW FW PoP 12hr 5 5 5 0 0 5 10 0 $$ IAZ017-152100- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 522 AM CDT Wed Jul 15 2026 Date Wed 07/15/26 Thu 07/16/26 Fri 07/17/26 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 90 69 92 Temp 67 82 87 89 88 78 73 71 71 83 87 88 88 79 74 71 70 83 89 92 90 Dewpt 65 73 72 72 72 72 71 69 69 72 72 72 72 70 69 68 68 71 70 69 71 RH 93 74 61 57 59 82 93 93 93 70 61 59 59 74 84 90 93 67 54 47 54 Wind dir W NW N SE SE S SW N N SW SW SW S S S S S SW SW SW SW Wind spd 1 2 1 1 2 1 0 0 0 1 2 3 3 3 3 3 3 4 6 8 5 Clouds FW FW FW FW FW SC FW FW FW CL SC SC SC FW CL FW FW CL FW FW FW PoP 12hr 0 5 10 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis F Heat index 87 94 96 95 88 94 95 95 88 95 Max heat 95 97 92 94 96 89 94 98 Date Sat 07/18/26 Sun 07/19/26 Mon 07/20/26 Tue 07/21/26 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 67 90 69 89 65 81 Temp 76 72 87 88 72 69 87 87 74 71 86 86 71 66 79 79 Dewpt 67 67 69 68 64 64 67 68 64 65 67 64 59 58 57 56 PWind dir SW NW E S S NW NW NW Wind char LT GN LT LT GN GN GN GN Avg clouds FW FW FW FW FW FW FW FW SC SC SC SC FW FW FW SC PoP 12hr 0 0 0 5 30 10 0 5 Rain shwrs S C Tstms S C $$ IAZ049-152100- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 522 AM CDT Wed Jul 15 2026 Date Wed 07/15/26 Thu 07/16/26 Fri 07/17/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 70 90 70 92 Temp 69 83 89 90 89 78 74 72 72 84 88 89 88 79 73 71 72 84 90 92 90 Dewpt 67 73 72 72 71 72 71 69 70 74 72 71 71 70 69 68 69 72 72 70 71 RH 93 72 57 56 56 82 90 90 93 72 59 56 57 74 87 90 90 67 56 49 54 Wind dir N N N NE E E N N N N SW SW SW SE S SW SW SW SW SW SW Wind spd 2 1 1 2 2 1 0 0 0 0 2 2 2 2 2 2 2 3 5 5 4 Clouds FW CL FW FW FW FW FW FW SC FW SC SC FW FW FW FW FW CL FW FW FW PoP 12hr 0 5 20 5 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms S Obvis PF PF Heat index 89 96 97 95 92 95 95 94 90 97 98 96 Max heat 97 99 95 96 96 90 97 99 Date Sat 07/18/26 Sun 07/19/26 Mon 07/20/26 Tue 07/21/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 72 92 69 91 71 91 67 83 Temp 76 72 89 89 73 70 88 89 75 73 88 87 73 68 81 80 Dewpt 68 68 72 70 66 65 68 68 64 66 70 67 62 60 61 59 PWind dir SW NW NE SE S NW NW N Wind char LT LT LT LT LT GN LT GN Avg clouds FW FW CL FW FW FW FW FW FW SC SC SC FW FW FW FW PoP 12hr 5 5 0 0 10 10 10 5 Rain shwrs S S Tstms S S $$ IAZ086-152100- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 522 AM CDT Wed Jul 15 2026 Date Wed 07/15/26 Thu 07/16/26 Fri 07/17/26 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 71 92 73 94 Temp 70 85 90 92 90 81 76 73 74 86 90 90 90 81 76 73 75 85 91 93 90 Dewpt 67 71 71 70 70 70 69 68 69 72 70 70 70 70 70 70 71 71 70 70 71 RH 90 63 54 49 52 69 79 84 84 63 52 52 52 69 82 90 87 63 50 47 54 Wind dir NW N NE E E E SE SE S SW S SE S SE S SW SW W W W SW Wind spd 1 1 2 3 4 3 2 2 1 1 3 3 3 4 4 4 4 4 5 8 6 Clouds FW CL FW FW FW FW FW FW FW FW SC SC SC SC FW SC SC FW FW FW FW PoP 12hr 0 5 20 10 10 QPF 12hr 0 0 0.06 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S S Obvis PF Heat index 90 96 98 96 92 96 97 96 90 97 99 96 Max heat 96 99 94 96 98 92 98 99 Date Sat 07/18/26 Sun 07/19/26 Mon 07/20/26 Tue 07/21/26 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 74 95 72 94 74 95 70 87 Temp 77 76 93 92 77 73 91 91 78 76 92 91 76 71 85 84 Dewpt 71 69 70 68 68 67 67 66 66 67 69 66 65 62 61 58 PWind dir SW W NE SE S W NW N Wind char LT GN LT LT GN GN GN GN Avg clouds FW CL CL FW FW FW FW FW FW SC SC FW SC FW FW FW PoP 12hr 5 5 5 0 5 10 10 0 $$