Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
897 FOUS53 KDMX 102337 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 636 PM CDT Mon Aug 10 2026 IAZ060-110900- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 636 PM CDT Mon Aug 10 2026 Date 08/10/26 Tue 08/11/26 Wed 08/12/26 Thu 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 91 72 89 70 Temp 88 80 77 75 74 80 88 90 89 79 75 73 72 79 86 89 87 78 74 72 70 Dewpt 75 75 74 72 71 72 73 74 75 75 74 72 72 74 75 75 75 75 73 71 70 RH 66 85 90 90 90 77 61 60 64 88 97 97100 85 70 64 68 91 97 97100 Wind dir S SE SE SE E SE SW W N E E E E E E NE NE NE E E E Wind spd 6 3 3 4 5 5 8 6 5 4 4 4 4 5 6 8 6 6 5 5 5 Clouds SC SC B1 B2 B2 SC FW SC SC FW SC B1 SC B1 SC SC FW SC B1 B2 OV PoP 12hr 20 10 30 40 60 QPF 12hr 0.01 0 0.04 0.03 0.33 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C L L D Tstms S C C S C C C Heat index 97 85 96 99 99 95100 97 Max heat 101 94 98 103 98 96 102 93 Date 08/13 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 08/17/26 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 80 67 80 68 83 68 80 64 75 Temp 77 74 69 68 77 78 72 69 80 80 72 69 77 76 68 65 73 73 Dewpt 73 71 69 68 72 73 71 69 75 75 71 69 72 71 68 65 69 69 PWind dir E E E SE SW NW N NE E Wind char LT GN GN GN LT LT LT LT LT Avg clouds OV B2 B2 OV OV B2 B1 B2 B2 B1 B1 B1 B2 B1 B1 B1 B1 B1 PoP 12hr 90 80 50 60 40 60 40 20 10 Rain shwrs D L L D C C L L C C C L C S S S Tstms C C C C C S C C S S C S S S $$ IAZ039-110900- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 636 PM CDT Mon Aug 10 2026 Date 08/10/26 Tue 08/11/26 Wed 08/12/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 84 68 84 67 Temp 83 78 75 72 72 75 81 84 81 74 71 70 70 75 81 83 80 73 71 69 67 Dewpt 77 76 74 72 71 72 75 75 74 73 71 70 70 73 75 74 74 72 70 69 67 RH 82 94 97100 97 90 82 74 79 97100100100 94 82 74 82 97 97100100 Wind dir E E E E E E SW NE NE NE NE E E E E NE NE E E E E Wind spd 5 4 3 4 5 6 5 6 4 3 2 3 4 4 6 5 5 3 3 3 3 Clouds SC B1 B1 B1 OV B1 SC SC FW FW SC SC B1 B2 SC FW FW SC B1 B2 B2 PoP 12hr 50 50 30 30 30 QPF 12hr 0.24 0.07 0.05 0.02 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C C C C L Tstms C C S S C Heat index 92 88 93 87 87 90 85 Max heat 100 89 89 94 85 89 92 Date 08/13 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 08/17/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 77 64 76 64 79 65 76 61 75 Temp 74 72 68 65 73 71 68 64 76 75 69 67 74 72 65 62 73 72 Dewpt 71 69 67 65 69 68 67 64 72 72 69 67 70 68 65 62 67 66 PWind dir E E E SE S NW N N E Wind char LT LT GN GN GN LT LT LT LT Avg clouds OV B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 B1 SC SC B1 SC PoP 12hr 70 50 50 70 40 50 30 20 10 Rain shwrs L L C C C C L L C C C C C S S S Tstms C C S S S C C C S C S S $$ IAZ048-110900- Ames-Story IA 41.99N 93.62W Elev. 936 ft 636 PM CDT Mon Aug 10 2026 Date 08/10/26 Tue 08/11/26 Wed 08/12/26 Thu 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 89 70 87 68 Temp 86 78 75 73 72 78 85 87 86 76 73 72 71 77 84 86 84 75 72 70 69 Dewpt 76 75 74 72 71 73 76 76 76 75 73 72 71 74 76 77 76 75 72 70 69 RH 72 91 97 97 97 85 75 70 72 97100100100 90 77 75 77100100100100 Wind dir SE E E E NE SE S NE NE NE E E E E E NE NE E E E E Wind spd 4 3 3 4 5 5 6 5 4 4 3 4 4 5 6 6 5 5 3 3 3 Clouds SC SC B1 B2 B2 SC FW SC SC FW B1 B1 SC B1 SC SC SC SC B2 B2 OV PoP 12hr 40 20 30 30 60 QPF 12hr 0.06 0.01 0.02 0.05 0.25 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C S C C L L D Tstms S S S C S C S S C Heat index 96 95 99 96 92 97 92 Max heat 100 90 96 102 93 94 99 89 Date 08/13 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 08/17/26 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 79 65 78 66 81 66 79 62 76 Temp 76 74 68 67 75 75 70 67 78 78 70 68 76 74 67 63 73 72 Dewpt 73 71 68 67 72 72 70 67 75 74 70 68 72 70 67 63 69 69 PWind dir E E E SE SW NW N NE E Wind char LT LT GN GN LT LT LT LT LT Avg clouds OV OV OV B2 OV B2 B2 B2 B2 B1 B1 B2 B2 B1 B1 SC B1 SC PoP 12hr 80 70 50 60 50 50 30 20 10 Rain shwrs D L C L C C L L C C C C C S S S Tstms C C C C S C C C S S C S S $$ IAZ004-110900- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 636 PM CDT Mon Aug 10 2026 Date 08/10/26 Tue 08/11/26 Wed 08/12/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 82 66 82 65 Temp 79 74 71 70 68 74 79 81 80 72 69 67 66 73 79 82 80 71 68 66 65 Dewpt 74 72 70 69 67 70 72 73 74 72 69 67 66 70 71 72 72 71 68 66 65 RH 85 93 97 97 97 87 79 77 82100100100100 90 77 72 77100100100100 Wind dir E E E E E N NE NE NE E E NE NE E NE NE NE NE E E NE Wind spd 8 5 5 6 5 6 6 5 4 4 3 3 3 5 6 6 8 5 4 5 6 Clouds B1 B1 B2 OV B2 SC SC SC FW FW SC OV B2 B1 SC SC B1 B2 B2 OV OV PoP 12hr 70 5 30 10 50 QPF 12hr 0.55 0 0.05 0 0.12 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L S C C L Tstms C L S S S S Heat index 86 85 Max heat 87 89 87 Date 08/13 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 08/17/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 60 74 61 75 60 74 57 73 Temp 72 72 63 61 71 71 65 62 72 73 64 62 71 72 61 58 71 71 Dewpt 68 68 63 60 67 69 65 62 70 71 64 62 67 67 61 57 65 67 PWind dir NE E E SE SW NW N N S Wind char GN GN GN GN GN LT LT LT LT Avg clouds OV B2 B1 SC B2 B2 B2 B2 OV B2 B1 B1 B1 SC SC SC B1 SC PoP 12hr 50 20 50 60 30 40 20 10 10 Rain shwrs L S S S C C C L C C C C S Tstms S S S S S C C C S C $$ IAZ035-110900- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 636 PM CDT Mon Aug 10 2026 Date 08/10/26 Tue 08/11/26 Wed 08/12/26 Thu 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 88 68 87 66 Temp 83 77 74 72 70 76 84 86 85 74 72 70 68 76 83 86 84 73 70 68 67 Dewpt 77 75 73 71 69 71 75 75 75 74 72 70 68 73 75 74 74 73 70 68 67 RH 82 94 97 97 97 85 74 70 72100100100100 90 77 68 72100100100100 Wind dir E E E NE E SE NE NE NE E E E NE E E NE NE NE NE E E Wind spd 5 5 4 4 4 4 5 4 4 3 2 3 3 4 4 4 4 3 3 3 3 Clouds B1 B1 B2 OV B2 B1 SC SC SC SC SC SC B2 SC SC SC SC B1 B2 OV OV PoP 12hr 60 10 30 20 50 QPF 12hr 0.11 0 0.02 0 0.19 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L S C S S C C D Tstms C L S C S S S C Heat index 91 91 95 94 90 94 90 Max heat 97 86 93 96 91 90 95 86 Date 08/13 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 08/17/26 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 79 63 77 65 80 63 78 60 75 Temp 75 72 65 64 74 74 68 65 75 76 67 65 74 74 63 60 72 72 Dewpt 72 70 65 64 71 71 68 65 74 73 67 65 71 69 63 60 68 68 PWind dir E E E SE SW NW N NE SE Wind char LT LT GN GN LT LT LT LT LT Avg clouds OV B2 B2 B2 OV B2 B2 B2 OV B2 B2 B1 B2 B1 SC SC B1 B1 PoP 12hr 80 50 60 60 40 40 20 20 10 Rain shwrs D C C C C L L L C C C C S S S S Tstms C S S C S C C C S C S $$ IAZ094-110900- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 636 PM CDT Mon Aug 10 2026 Date 08/10/26 Tue 08/11/26 Wed 08/12/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 74 93 73 92 71 Temp 85 80 77 76 76 82 89 92 91 81 78 75 73 82 89 92 89 79 76 73 71 Dewpt 77 76 72 70 69 71 71 71 72 73 72 71 70 72 72 72 72 74 73 72 71 RH 77 88 85 82 79 69 56 51 54 77 82 87 90 72 57 52 57 85 90 97100 Wind dir S S S SW SW SW SW SW W E SE SE SE S SW SW NE NE E E NE Wind spd 6 4 5 6 8 9 10 9 4 4 5 4 5 6 8 8 6 6 6 6 6 Clouds FW FW SC B1 B1 B1 SC SC FW CL FW SC B1 SC SC FW SC SC B1 B2 B1 PoP 12hr 5 20 30 40 50 QPF 12hr 0 0 0 0.06 0.12 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C L Tstms S C C C C C Heat index 96 86 95 99 98 86 87 96 99 97 Max heat 96 92 97 101 97 98 100 94 Date 08/13 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 08/17/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 68 85 70 87 69 82 65 77 Temp 82 76 71 70 82 83 74 71 84 83 73 70 80 78 69 66 75 74 Dewpt 72 72 70 70 72 72 71 69 73 73 71 70 72 71 69 66 69 69 PWind dir E E SE SE SW N N NE E Wind char GN GN GN GN GN LT LT LT LT Avg clouds B2 B2 B2 B2 B2 B1 SC B1 B1 SC SC B1 B2 B1 B1 B1 B1 B1 PoP 12hr 70 70 30 30 20 50 30 30 20 Rain shwrs L C L L C S C C S S C C C S S C S Tstms C C C C C S C C S S C C S S C $$ IAZ017-110900- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 636 PM CDT Mon Aug 10 2026 Date 08/10/26 Tue 08/11/26 Wed 08/12/26 Thu 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 83 66 82 64 Temp 80 74 72 71 70 73 79 81 81 72 70 68 67 74 79 82 80 71 69 67 65 Dewpt 75 73 71 71 69 71 74 73 74 72 70 68 67 72 73 72 73 71 69 67 65 RH 85 97 97100 97 93 85 77 79100100100100 93 82 72 79100100100100 Wind dir E NE E E NE NE NE NE NE E E E NE E E NE NE NE NE E E Wind spd 5 5 5 4 4 5 4 3 3 2 1 2 2 4 4 3 3 3 2 3 3 Clouds SC B1 B2 OV OV B1 SC SC SC SC B2 B2 B2 B1 SC SC SC B1 B2 B2 OV PoP 12hr 70 40 20 20 30 QPF 12hr 0.39 0.21 0.07 0.02 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L C S S S C C L Tstms S L C S S Heat index 85 86 86 87 Max heat 87 88 87 Date 08/13 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 08/17/26 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 76 61 74 61 76 61 74 58 74 Temp 74 73 65 63 71 71 65 62 73 73 66 63 72 71 62 59 72 71 Dewpt 70 68 64 63 67 67 65 62 70 70 66 63 68 67 62 59 66 66 PWind dir E E SE SE S NW N N SE Wind char LT LT GN GN GN LT LT LT LT Avg clouds OV B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B1 B2 B1 SC SC SC SC PoP 12hr 70 30 50 70 40 40 20 20 10 Rain shwrs L C S C C C L L C C C C S S S Tstms S S S C C C S S $$ IAZ049-110900- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 636 PM CDT Mon Aug 10 2026 Date 08/10/26 Tue 08/11/26 Wed 08/12/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 87 68 85 66 Temp 84 77 75 72 72 77 83 86 83 74 71 70 70 75 82 84 81 73 70 68 67 Dewpt 75 75 73 72 70 72 75 76 75 73 71 70 70 73 75 75 74 72 70 68 67 RH 74 94 94100 93 85 77 72 77 97100100100 94 79 74 79 97100100100 Wind dir SE E E E NE SE S NW N NE NE E E E E NE NE NE E E E Wind spd 5 4 3 4 4 5 4 4 4 3 3 3 4 4 4 4 4 4 3 3 3 Clouds SC B1 B1 B2 OV B1 SC SC FW FW SC B2 B1 B2 SC FW FW SC B1 B2 B2 PoP 12hr 40 20 30 40 50 QPF 12hr 0.06 0.01 0.04 0.03 0.08 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C C C D Tstms S S S S S S S C Heat index 93 91 96 90 89 93 86 Max heat 96 89 93 99 87 89 96 Date 08/13 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 08/17/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 79 64 77 64 81 65 78 61 76 Temp 76 72 67 66 74 73 68 65 77 76 69 67 75 73 65 62 73 71 Dewpt 72 69 67 66 70 70 68 65 73 72 69 66 70 69 65 62 67 67 PWind dir E E E SE SW NW N N E Wind char LT LT GN GN LT LT LT LT LT Avg clouds OV OV B2 B2 OV B2 B2 B2 B2 B1 B1 B2 B2 B1 B1 SC SC SC PoP 12hr 80 60 50 60 50 50 30 20 10 Rain shwrs D L C L C C L L C C C C C S S S Tstms C C C C S C C C S S C S S $$ IAZ086-110900- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 636 PM CDT Mon Aug 10 2026 Date 08/10/26 Tue 08/11/26 Wed 08/12/26 Thu 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 92 72 90 70 Temp 86 79 76 76 75 80 87 90 89 79 75 73 73 80 86 89 86 76 74 72 70 Dewpt 76 75 74 73 71 73 74 75 75 76 75 73 72 75 75 76 76 76 74 72 70 RH 72 88 94 90 87 79 65 62 64 91100100 97 85 70 66 72100100100100 Wind dir S S SE S SW S S W NW NE E E E SE S N NE NE E E E Wind spd 5 4 4 4 5 8 8 8 5 4 4 4 4 5 5 6 6 6 5 5 4 Clouds FW SC SC B1 B2 B1 SC FW FW FW B1 SC B1 B1 SC SC SC SC SC B1 B2 PoP 12hr 10 20 30 40 50 QPF 12hr 0 0 0 0.01 0.19 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C S S C C D Tstms S C S S C C Heat index 97 96101 99 96100 96 Max heat 99 91 98 103 98 98 102 93 Date 08/13 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 08/17/26 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 83 67 83 68 86 69 83 64 77 Temp 80 76 70 69 79 80 72 69 82 83 73 70 79 79 69 66 75 75 Dewpt 75 73 70 69 73 73 72 69 75 75 73 70 74 72 69 66 70 70 PWind dir E E E SE SW NW N N NE Wind char LT GN GN GN GN LT LT LT LT Avg clouds B2 B2 B2 B2 OV B2 B1 B1 B2 SC SC B1 B2 B1 B1 SC B1 B1 PoP 12hr 80 80 50 50 30 50 30 30 10 Rain shwrs D L D D C S C C C C C C C S S C S Tstms C C C C C S C C S S C C C S $$