Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
636 FOUS53 KDMX 182232 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 531 PM CDT Fri Jul 18 2025 IAZ060-190900- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 531 PM CDT Fri Jul 18 2025 Date 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 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 87 69 84 71 Temp 80 75 73 72 72 77 85 87 85 76 73 71 70 75 78 82 81 77 74 72 72 Dewpt 70 71 71 71 70 73 73 74 72 72 70 69 69 70 72 73 72 72 71 70 70 RH 72 87 93 97 93 87 67 65 65 87 90 93 97 84 82 74 74 85 90 93 93 Wind dir S SE SE S SW NW NW N N NE NE E E SE SE E E E E SE SE Wind spd 8 5 5 5 5 5 5 5 5 5 5 5 6 8 8 8 8 8 8 8 8 Clouds B1 SC B1 B2 B2 SC SC SC SC B1 B2 B2 B2 B2 B2 B1 B1 B2 B1 B2 B2 PoP 12hr 60 40 50 40 50 QPF 12hr 0.47 0.06 0.38 0.04 0.32 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S C C C C C C C C C C C C C S Tstms S C C S S C S C C C C C C C S S C C S Heat index 92 96 91 87 Max heat 88 93 98 88 89 84 Date 07/21 Tue 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 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 73 92 75 92 73 92 72 91 Temp 83 86 77 75 87 90 81 76 89 89 78 74 87 89 78 73 86 88 Dewpt 74 75 73 72 76 75 72 70 74 75 71 70 74 74 71 70 73 73 PWind dir SE SE S S SW S SW SW SW Wind char GN LT GN GN GN LT LT LT LT Avg clouds B2 SC SC B1 SC FW FW SC FW FW FW SC SC SC SC SC SC SC PoP 12hr 20 30 20 20 10 30 10 20 20 Rain shwrs S S C S S C C S S S Tstms S S C S S C S S S S $$ IAZ039-190900- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 531 PM CDT Fri Jul 18 2025 Date 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 84 64 78 65 Temp 76 72 71 70 69 75 79 82 80 72 68 66 66 71 75 76 76 71 69 68 68 Dewpt 68 68 68 69 69 71 72 72 70 69 67 65 65 68 69 69 69 68 67 65 65 RH 76 87 90 97100 87 79 72 72 90 97 97 97 90 82 79 79 90 93 90 90 Wind dir S SE SE S SW W NW NW N N NE NE E E E E E E E SE E Wind spd 6 6 6 6 5 5 6 6 5 5 5 5 6 9 9 9 9 8 8 9 9 Clouds B1 SC B2 B2 OV B2 B1 B1 SC B1 B1 B1 B1 B2 B1 B1 B1 B1 B2 B2 B2 PoP 12hr 60 40 30 30 50 QPF 12hr 0.68 0.04 0.08 0.06 0.36 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C S S S S C C C C C C C C C C C Tstms S C C S S S S S S S S S S S C C C Date 07/21 Tue 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 82 70 89 72 90 70 89 70 87 Temp 77 80 73 72 84 85 78 75 86 85 75 73 85 85 75 72 83 83 Dewpt 71 72 71 70 75 76 74 73 76 75 72 70 74 74 72 70 73 73 PWind dir SE SE S S SW SW SW SW W Wind char GN GN GN GN GN LT LT LT LT Avg clouds B2 B1 SC B1 B1 SC SC SC SC FW FW SC SC SC SC SC SC SC PoP 12hr 30 30 30 30 20 40 20 30 20 Rain shwrs C S C C S C S S C C S S S C S S Tstms S S C C S C S S S S S S S C S S $$ IAZ048-190900- Ames-Story IA 41.99N 93.62W Elev. 936 ft 531 PM CDT Fri Jul 18 2025 Date 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 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 84 67 81 69 Temp 78 73 72 70 70 75 81 84 82 73 70 69 68 74 77 79 78 73 72 70 70 Dewpt 71 70 70 70 70 73 74 74 71 71 69 68 68 69 72 73 72 72 71 70 70 RH 79 90 93100100 94 79 72 69 93 97 97100 84 85 82 82 97 97100100 Wind dir S SE SE S W W NW N N NE NE E E E SE E E E E SE SE Wind spd 6 5 4 4 4 5 5 5 5 5 5 5 5 8 8 8 9 9 8 8 8 Clouds SC B1 B2 B2 OV B1 SC B1 SC B1 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 PoP 12hr 60 30 40 40 50 QPF 12hr 0.80 0.04 0.45 0.06 0.19 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S C C C C C C C C C C C C S Tstms S C C S S C C C C C S C C S S C C S Heat index 87 92 87 Max heat 90 94 87 84 Date 07/21 Tue 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 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 86 72 90 72 91 71 90 70 89 Temp 80 84 75 72 86 88 79 74 87 87 75 72 86 87 76 71 85 86 Dewpt 75 76 73 72 77 77 74 71 77 76 72 70 75 76 72 70 75 75 PWind dir SE SE S S SW S S S S Wind char GN LT GN LT LT LT LT LT LT Avg clouds B2 SC SC B1 B1 FW FW SC FW FW FW SC SC FW SC SC SC SC PoP 12hr 20 40 20 20 20 40 20 30 20 Rain shwrs S S C S S S S C C S S S C S S Tstms S S C S S S S C S S S S C S S $$ IAZ004-190900- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 531 PM CDT Fri Jul 18 2025 Date 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 65 78 61 78 67 Temp 74 71 69 67 67 71 75 77 75 67 65 63 62 69 74 77 76 71 69 67 68 Dewpt 69 69 68 66 66 68 68 68 65 64 62 61 61 64 67 69 69 68 67 66 66 RH 84 93 97 97 97 90 79 74 71 90 90 93 97 84 79 76 79 90 93 97 93 Wind dir S S S W NW N N N NE NE NE E E E E SE E E SE SE SE Wind spd 10 9 8 6 5 8 9 10 9 6 6 6 8 9 11 11 10 10 9 10 10 Clouds B1 OV OV OV B2 B2 B1 B1 B1 SC SC B1 B1 SC B1 B1 B2 B2 B2 OV B2 PoP 12hr 60 20 20 20 30 QPF 12hr 0.71 0.01 0 0 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C S S S S S S S S S C C Tstms C C C S S S C C Date 07/21 Tue 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 69 87 70 87 67 86 66 86 Temp 77 82 73 70 82 86 75 72 83 83 72 68 81 84 72 68 82 84 Dewpt 71 73 71 69 73 75 72 69 73 72 69 67 70 73 70 67 70 72 PWind dir SE SE S S S NE E W NE Wind char GN GN GN GN GN LT LT LT LT Avg clouds B2 B1 B1 B2 B1 SC SC B2 SC SC SC B1 SC SC SC B1 SC SC PoP 12hr 10 30 30 30 30 40 20 30 20 Rain shwrs C C C S C C C C C S S S C S S Tstms C C S S C C S C S S S S C S S $$ IAZ035-190900- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 531 PM CDT Fri Jul 18 2025 Date 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 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 81 64 80 68 Temp 77 73 71 70 69 74 79 81 79 71 68 66 66 71 76 79 78 72 70 69 69 Dewpt 70 70 70 69 69 70 72 72 69 69 67 66 65 68 71 72 71 70 69 68 69 RH 79 90 97 97100 87 79 74 72 93 97100 97 90 85 79 79 93 97 97100 Wind dir S SE S SW NW N N N N NE NE E E E E E SE E E SE E Wind spd 8 6 6 5 4 5 6 6 6 5 5 5 5 8 8 9 9 8 8 8 8 Clouds B1 B1 OV OV B2 B2 B1 B1 SC B2 B1 B2 B2 B2 B2 B1 B2 B2 B2 OV OV PoP 12hr 60 30 30 30 40 QPF 12hr 0.89 0.03 0.16 0.03 0.22 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C S S C C C C C C C C C C C C Tstms C C C S S C C C S S S C S S C C Date 07/21 Tue 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 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 84 70 89 72 89 70 89 68 87 Temp 80 82 74 72 84 86 77 73 85 84 74 71 83 85 73 70 83 84 Dewpt 74 75 73 71 76 78 74 71 76 75 72 69 74 75 72 69 74 75 PWind dir SE SE S S S S S SE SE Wind char GN GN GN LT GN LT LT LT LT Avg clouds B2 B1 SC B1 SC FW SC B1 SC FW SC SC SC SC SC B1 SC SC PoP 12hr 10 30 20 30 20 40 20 30 20 Rain shwrs C S S S C S S C C S S S C S S Tstms C S S S C S S S S S S S C S S $$ IAZ094-190900- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 531 PM CDT Fri Jul 18 2025 Date 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 89 70 88 72 Temp 80 76 74 73 72 79 86 89 87 78 75 72 71 77 82 86 85 78 76 74 73 Dewpt 72 72 72 72 71 73 74 75 74 74 73 71 70 73 74 75 75 74 73 72 72 RH 77 87 93 97 97 82 68 64 65 88 94 97 97 87 77 70 72 88 90 93 97 Wind dir S SE S S S S SW SW NE NE NE E E SE SE SE SE SE SE S S Wind spd 6 4 5 6 6 5 6 5 4 5 5 5 5 6 6 8 5 6 6 6 6 Clouds B2 SC B1 B2 B1 SC SC SC B1 B1 B1 B2 B1 B1 B1 SC SC B1 B1 B2 B1 PoP 12hr 30 30 50 40 50 QPF 12hr 0.19 0.04 0.31 0.04 0.43 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S C C C C C C S S C C C C S Tstms S C S S C C C C C C S S C C C C S Heat index 94 99 96 88 95 93 Max heat 89 96 102 97 90 98 90 Date 07/21 Tue 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 73 93 74 94 73 92 72 92 Temp 85 87 77 75 89 89 80 75 90 90 78 74 88 89 78 74 88 88 Dewpt 75 75 73 71 75 75 71 69 73 75 70 70 73 74 71 70 73 73 PWind dir S S S S SW S S S SW Wind char LT LT GN GN GN LT LT LT LT Avg clouds B1 SC SC SC SC FW FW FW FW FW FW SC FW FW FW SC SC FW PoP 12hr 20 30 20 10 5 20 10 20 10 Rain shwrs S S C S S S S Tstms S S C S S S S $$ IAZ017-190900- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 531 PM CDT Fri Jul 18 2025 Date 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 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 80 60 78 64 Temp 73 70 69 67 68 71 77 79 77 68 65 63 63 69 74 76 74 69 68 67 67 Dewpt 68 67 67 67 67 68 69 69 67 65 63 61 61 65 67 68 67 67 66 65 65 RH 84 90 93100 97 90 76 72 71 90 93 93 93 87 79 76 79 93 93 93 93 Wind dir S SE S SW W NW N N N N NE NE E E E E E E SE SE SE Wind spd 9 8 6 5 4 5 6 8 6 5 5 5 5 8 9 9 9 8 8 9 10 Clouds B2 B2 B2 OV B2 B2 B2 B1 SC SC SC B1 B1 B1 SC B1 B1 B2 B2 B2 B2 PoP 12hr 60 30 20 30 40 QPF 12hr 0.74 0 0.02 0.01 0.14 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C C S S S S C C S S C C S Tstms C C C S C C S Date 07/21 Tue 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 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 68 86 70 86 68 86 67 85 Temp 75 79 72 70 81 83 76 73 83 83 72 70 82 84 73 70 82 82 Dewpt 69 71 70 69 73 75 72 71 73 73 70 68 72 73 71 68 72 72 PWind dir SE SE S S SW SW SW SW NE Wind char GN GN GN LT GN LT LT LT LT Avg clouds B2 B1 B1 B2 B1 SC SC B1 B1 SC SC SC SC SC SC B1 SC SC PoP 12hr 20 30 30 40 30 50 20 30 20 Rain shwrs S C C S C C C C C C S S S C S S Tstms S C C S S C C S S S S S S C S S $$ IAZ049-190900- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 531 PM CDT Fri Jul 18 2025 Date 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 83 65 80 67 Temp 77 72 70 70 68 75 80 83 80 72 69 67 66 72 75 77 77 71 70 68 68 Dewpt 70 69 69 69 68 71 72 73 71 69 67 66 66 68 70 71 70 70 69 68 67 RH 79 90 97 97100 87 77 72 74 90 93 97100 87 84 82 79 97 97100 97 Wind dir SE SE SE S NW W NW NW N N NE NE E E E E E E E SE SE Wind spd 6 5 6 5 6 6 5 5 5 5 5 5 5 6 8 8 8 8 8 8 8 Clouds SC SC B2 OV OV B1 SC SC SC B1 B1 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 PoP 12hr 60 40 40 40 50 QPF 12hr 0.81 0.05 0.34 0.13 0.36 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C S S C C C C C C C C C C C C S Tstms S C C S S S C C C S S S C C S S C C S Heat index 89 Max heat 84 91 Date 07/21 Tue 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 70 89 72 90 70 89 69 88 Temp 78 81 73 72 84 85 77 74 86 85 74 72 85 85 74 71 83 83 Dewpt 72 74 72 70 76 76 73 71 75 76 71 69 74 75 71 69 73 74 PWind dir SE SE S S SW SW SW SW W Wind char GN LT GN LT GN LT LT LT LT Avg clouds B2 B1 SC B1 SC FW FW SC FW FW FW SC SC SC SC SC SC SC PoP 12hr 20 40 20 30 20 40 20 30 20 Rain shwrs S S C S S C S S C C S S S C S S Tstms S S C S S C S S C S S S S C S S $$ IAZ086-190900- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 531 PM CDT Fri Jul 18 2025 Date 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 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 89 70 85 70 Temp 81 76 74 73 73 79 85 88 87 76 73 71 71 74 79 82 81 75 73 72 72 Dewpt 71 71 71 72 72 74 74 76 75 75 73 71 71 72 73 75 74 74 72 71 71 RH 72 85 90 97 97 85 70 68 68 97100100100 93 82 79 79 97 97 97 97 Wind dir S SE SE S S SW W W N N N N NE E SE E E E E E SE Wind spd 6 5 5 6 6 6 6 6 5 5 5 5 5 6 6 8 8 8 8 8 8 Clouds SC B1 B1 B2 B2 B1 SC SC SC B1 B2 B2 B2 B2 B2 B1 B1 B1 B2 B2 B2 PoP 12hr 40 50 60 50 60 QPF 12hr 0.62 0.15 0.61 0.12 0.28 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S C C C L L C C C C C C L L C Tstms S C C S C C C C C C C C C C C C C C Heat index 93 98 97 89 86 Max heat 86 83 95 102 96 85 90 Date 07/21 Tue 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 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 73 94 75 95 74 93 72 91 Temp 83 86 76 75 90 90 79 76 92 90 77 75 89 88 77 75 87 87 Dewpt 75 76 74 73 76 76 74 72 75 76 72 71 75 77 72 71 74 75 PWind dir SE SE S S SW S SW SW SW Wind char GN LT GN GN GN LT LT LT LT Avg clouds B2 SC SC B1 SC FW FW SC FW FW FW SC FW FW FW SC SC SC PoP 12hr 30 30 20 20 10 20 10 20 20 Rain shwrs C S C S S S S S S Tstms C S C S S S S S S $$