Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
935 FOUS53 KDMX 100622 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 122 AM CDT Mon Aug 10 2026 IAZ060-110900- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 122 AM CDT Mon Aug 10 2026 Date 08/09/26 Mon 08/10/26 Tue 08/11/26 Wed 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 74 92 71 Temp 73 73 80 86 89 87 79 77 76 74 81 89 91 89 79 75 73 71 Dewpt 72 72 74 75 75 75 75 73 71 70 73 73 74 75 74 74 72 71 RH 97 97 82 70 64 68 88 87 85 87 77 59 58 64 85 97 97100 Wind dir NE E E SE SE E E E SE SE S SW W N NE E E NE Wind spd 4 4 5 8 6 5 4 4 5 5 5 8 8 5 4 4 4 4 Clouds SC B1 SC B1 B1 B1 B1 SC SC B1 B1 SC SC B1 SC B1 B1 SC PoP 12hr 20 20 30 30 40 QPF 12hr 0 0 0.01 0 0.09 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C S Tstms S S C C S Obvis PF PF Heat index 95101 97 86 97101100 Max heat 96 102 94 98 103 98 Date 08/12 Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 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 68 76 64 74 65 78 65 75 Temp 85 85 74 70 75 74 68 67 75 75 70 68 78 78 70 67 76 75 Dewpt 75 75 72 70 72 71 68 66 71 71 69 67 73 73 70 67 72 71 PWind dir E E E E E E SW NW NW Wind char LT LT LT LT GN GN LT LT LT Avg clouds SC SC SC B2 OV OV B2 OV OV B2 B2 B2 B2 B1 SC B1 B1 B1 PoP 12hr 20 70 80 70 50 60 30 40 30 Rain shwrs S S L D L C L C C L L C C C C S Tstms S S L C C C C C C C C C C C S $$ IAZ039-110900- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 122 AM CDT Mon Aug 10 2026 Date 08/09/26 Mon 08/10/26 Tue 08/11/26 Wed CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 84 69 85 68 Temp 69 70 76 82 84 82 74 72 71 70 76 82 85 83 75 72 70 69 Dewpt 69 69 73 75 75 75 73 72 71 70 73 75 75 75 73 71 70 69 RH 100 97 90 79 74 79 97100100100 90 79 72 77 94 97100100 Wind dir NE NE E E E E E E E SE SE S NW NE NE E NE NE Wind spd 4 5 6 8 8 6 5 5 5 4 5 5 5 5 4 2 2 3 Clouds B1 B1 B2 B1 SC B1 B1 B1 SC OV B2 B1 B1 B1 SC SC B1 B2 PoP 12hr 10 20 60 60 30 QPF 12hr 0 0 0.26 0.16 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S L C C C S Tstms S S C S S S Obvis PF Heat index 89 90 87 88 93 89 Max heat 89 92 85 90 94 85 Date 08/12 Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 65 76 61 73 61 75 62 75 Temp 82 82 71 67 74 73 66 64 73 72 67 64 74 74 67 64 73 73 Dewpt 74 73 69 67 69 67 64 62 66 66 65 64 69 69 67 64 69 67 PWind dir NE NE E E E SE S NW NW Wind char LT LT LT LT GN GN GN LT LT Avg clouds B1 SC SC B2 OV B2 B2 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 20 30 60 40 40 60 30 40 20 Rain shwrs S C L L C C C C C L C S C C S S Tstms C C C S S C S S S S S S S S $$ IAZ048-110900- Ames-Story IA 41.99N 93.62W Elev. 936 ft 122 AM CDT Mon Aug 10 2026 Date 08/09/26 Mon 08/10/26 Tue 08/11/26 Wed 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 86 71 89 69 Temp 71 71 78 83 86 85 76 74 72 72 79 85 88 85 76 73 71 70 Dewpt 71 71 74 76 77 76 75 74 71 70 74 75 76 76 74 73 71 70 RH 100100 88 80 75 75 97100 97 93 85 72 68 75 94100100100 Wind dir NE NE E E E E E E SE SE S SW NW NE E E E NE Wind spd 4 5 8 9 8 5 5 3 4 3 5 6 6 4 3 2 3 3 Clouds SC B1 B2 SC B1 B1 B1 B1 B1 B1 B1 SC SC B1 SC B1 B1 B1 PoP 12hr 20 20 40 30 40 QPF 12hr 0 0 0.03 0.01 0.15 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C S C C S Tstms S S S C S S S Obvis PF PF Heat index 92 97 93 96101 95 Max heat 93 99 90 97 103 92 Date 08/12 Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 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 85 66 76 63 75 63 77 63 75 Temp 83 83 72 68 74 73 67 65 74 73 68 66 76 76 69 66 76 74 Dewpt 77 75 72 68 72 69 67 65 70 70 68 66 72 72 69 66 72 70 PWind dir E NE E E E E SW NW NW Wind char LT LT LT LT GN GN LT LT LT Avg clouds B1 SC SC B2 OV OV B2 B2 OV B2 B2 B2 B2 B1 SC B1 B1 B1 PoP 12hr 20 60 80 50 50 60 20 40 30 Rain shwrs S L D C C C C C L L S C C C S Tstms S C C C C C C C C C S C C S $$ IAZ004-110900- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 122 AM CDT Mon Aug 10 2026 Date 08/09/26 Mon 08/10/26 Tue 08/11/26 Wed CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 64 84 66 83 65 Temp 67 66 73 80 82 81 74 70 68 66 74 79 82 81 72 69 67 65 Dewpt 66 66 70 71 71 72 71 69 67 66 71 71 72 72 71 69 67 65 RH 97100 90 74 69 74 90 97 97100 90 77 72 74 97100100100 Wind dir N NE E E E E E E E E E NE NE E E E NE NE Wind spd 4 5 8 10 9 9 8 4 6 5 5 6 5 5 3 3 3 3 Clouds B1 B1 B1 B1 B1 B1 B1 B1 OV OV B2 B1 SC SC SC SC B1 B2 PoP 12hr 10 10 60 30 30 QPF 12hr 0 0 0.41 0 0.08 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L C C C Tstms S S S S S Obvis PF PF Heat index 85 88 86 84 88 86 Max heat 85 90 84 90 Date 08/12 Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 81 62 74 58 73 59 73 59 74 Temp 79 80 68 63 71 72 62 59 69 69 63 61 70 72 64 60 70 71 Dewpt 71 70 65 62 66 65 61 58 64 66 63 61 67 68 64 60 66 67 PWind dir NE NE NE E E SE W NW N Wind char LT LT GN LT GN GN GN LT LT Avg clouds B1 SC B1 B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 5 30 40 20 40 50 30 30 20 Rain shwrs C C C S S C C C C C C S C S Tstms C S C S S C C S S C S S $$ IAZ035-110900- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 122 AM CDT Mon Aug 10 2026 Date 08/09/26 Mon 08/10/26 Tue 08/11/26 Wed 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 86 69 89 68 Temp 69 69 76 82 85 84 75 73 70 70 78 85 88 86 75 71 69 68 Dewpt 69 69 73 74 75 74 74 72 70 69 72 74 73 73 73 71 69 68 RH 100100 90 77 72 72 97 97100 97 82 70 61 65 94100100100 Wind dir NE NE E E E E E E E NE SE E NE NE E E E NE Wind spd 4 5 8 9 8 5 5 4 4 3 4 4 4 3 3 2 2 2 Clouds B1 B1 B1 B1 B1 B1 B1 B1 B2 OV B1 SC SC SC SC SC B1 B2 PoP 12hr 10 20 50 20 40 QPF 12hr 0 0 0.40 0 0.14 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S C C Tstms S C S S S Obvis PF PF Heat index 90 94 91 93 96 94 Max heat 90 95 88 94 98 89 Date 08/12 Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 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 86 65 76 61 74 61 76 61 75 Temp 84 83 70 66 74 72 64 62 73 72 66 64 74 75 66 63 74 73 Dewpt 74 72 69 66 70 67 64 62 68 68 66 64 71 70 66 63 69 68 PWind dir E E E E E SE SW NW N Wind char LT LT LT LT GN GN LT LT LT Avg clouds B1 SC B1 B2 OV B2 B2 B2 OV B2 B2 B2 OV B2 B1 B1 B2 B1 PoP 12hr 10 50 70 40 40 60 30 30 30 Rain shwrs C L C S C C C C L C C C C Tstms C C C S C S C C S S S S $$ IAZ094-110900- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 122 AM CDT Mon Aug 10 2026 Date 08/09/26 Mon 08/10/26 Tue 08/11/26 Wed CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 72 90 76 92 73 Temp 75 73 80 86 89 88 81 79 77 76 83 89 92 90 81 77 75 73 Dewpt 71 68 71 73 73 74 73 70 69 68 72 72 72 74 73 72 71 71 RH 87 84 74 65 59 63 77 74 76 76 70 57 52 60 77 85 87 93 Wind dir S S S SW SW SW S S S S SW SW SW SW E NE E SE Wind spd 5 6 6 9 9 5 5 6 9 8 9 10 10 6 5 5 5 5 Clouds B1 B1 B1 B1 SC SC SC SC SC SC B1 B1 SC B1 SC SC B1 B1 PoP 12hr 20 20 5 20 30 QPF 12hr 0.01 0 0 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C C Tstms S S C C C Heat index 91 98 97 86 88 96100 97 86 Max heat 92 100 94 98 102 94 Date 08/12 Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 69 78 65 77 66 80 66 77 Temp 86 86 74 70 77 76 70 68 78 77 71 69 80 79 71 68 78 76 Dewpt 74 74 73 70 73 72 69 68 72 72 70 69 73 73 70 68 72 72 PWind dir SE E E E SE SE SW N NW Wind char LT LT GN GN GN GN GN LT LT Avg clouds B1 SC SC B2 OV B2 B2 OV OV B2 B1 B1 B1 SC SC B1 B2 B1 PoP 12hr 30 70 80 80 40 50 20 40 30 Rain shwrs C S L D C L D C C C C S S S C C S Tstms C S C C C C C C S C C S S S C S $$ IAZ017-110900- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 122 AM CDT Mon Aug 10 2026 Date 08/09/26 Mon 08/10/26 Tue 08/11/26 Wed 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 64 82 66 84 65 Temp 67 67 74 79 81 81 72 70 68 68 74 80 82 82 72 70 67 66 Dewpt 67 67 72 73 72 74 72 70 68 68 72 73 73 73 71 70 67 66 RH 100100 93 82 74 79100100100100 93 79 74 74 97100100100 Wind dir NE NE E E E E E E E SE E E NE NE E E E NE Wind spd 2 4 6 8 6 5 5 4 5 5 5 4 3 3 2 1 1 2 Clouds B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B1 B1 SC SC SC B1 B1 PoP 12hr 10 20 60 40 30 QPF 12hr 0 0 0.20 0.08 0.13 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C C Tstms C S S S S Obvis PF PF Heat index 84 86 85 87 90 Max heat 84 87 85 90 85 Date 08/12 Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 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 82 62 75 59 74 59 74 60 75 Temp 81 81 69 65 75 73 63 61 72 71 64 62 72 73 65 62 72 72 Dewpt 72 71 67 64 67 65 62 60 65 65 64 62 68 68 65 62 67 67 PWind dir E E E E E SE S NW NW Wind char LT LT LT LT GN GN GN LT LT Avg clouds B1 SC SC B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 5 20 50 20 40 60 40 40 20 Rain shwrs S C C S S S C C L C S C C S S Tstms S C S S S C S S S S $$ IAZ049-110900- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 122 AM CDT Mon Aug 10 2026 Date 08/09/26 Mon 08/10/26 Tue 08/11/26 Wed CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 85 69 88 67 Temp 70 70 76 82 85 83 74 72 71 71 77 84 87 84 74 72 70 68 Dewpt 69 70 73 75 75 75 73 72 70 69 72 74 75 75 73 72 70 68 RH 97100 90 79 72 77 97100 97 93 85 72 68 74 97100100100 Wind dir NE NE E E E E E E E SE S SW NW NE NE E E E Wind spd 5 4 6 6 6 5 5 4 5 4 4 4 5 4 3 3 3 3 Clouds B1 B1 B2 SC B1 B1 B1 B1 B1 B1 B2 SC SC SC SC SC B1 B1 PoP 12hr 10 20 50 50 40 QPF 12hr 0 0 0.09 0.09 0.14 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C S C C S Tstms S S S C S S C S Obvis PF Heat index 89 94 89 91 97 90 Max heat 91 96 85 94 99 87 Date 08/12 Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 65 76 61 75 61 77 62 75 Temp 83 82 70 67 74 73 66 64 74 72 66 64 75 75 67 64 74 73 Dewpt 74 74 70 67 70 68 65 63 67 67 66 64 70 70 67 64 70 68 PWind dir E NE NE E E E SW NW NW Wind char LT LT LT LT GN GN LT LT LT Avg clouds B1 SC SC B2 OV OV B2 B2 OV B2 B2 B2 B2 B1 B1 B1 B2 B1 PoP 12hr 20 50 70 50 50 60 30 40 20 Rain shwrs S C L L C C C C C L C S C C S S Tstms S C C C C C C C C C S S C C S $$ IAZ086-110900- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 122 AM CDT Mon Aug 10 2026 Date 08/09/26 Mon 08/10/26 Tue 08/11/26 Wed 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 90 75 92 72 Temp 74 73 81 86 89 88 79 77 76 75 81 88 91 89 79 76 73 72 Dewpt 72 71 73 74 74 75 75 74 72 71 74 74 74 75 75 75 73 72 RH 93 93 77 68 61 66 88 90 87 87 79 63 58 64 88 97100100 Wind dir SW S SE S SW S SE SE S S SW SW SW NW NE E E E Wind spd 5 5 5 5 6 5 5 5 8 6 8 8 8 5 5 4 4 5 Clouds SC SC SC SC SC B1 B1 B1 SC SC B1 SC SC SC SC SC B1 B1 PoP 12hr 20 20 10 20 40 QPF 12hr 0 0 0.01 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C L Tstms S S C S C Heat index 86 95 98 97 87 98102 99 Max heat 96 99 93 99 103 96 Date 08/12 Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 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 68 78 64 77 65 81 65 79 Temp 85 85 73 70 77 77 69 67 77 77 70 68 80 80 71 69 79 77 Dewpt 76 76 73 70 74 72 69 67 72 72 70 68 74 74 71 69 73 72 PWind dir E E E NE E SE SW NW NW Wind char LT LT LT LT GN GN GN LT LT Avg clouds B1 SC SC B2 OV B2 B2 OV OV B2 B2 B1 B2 B1 SC SC B1 B1 PoP 12hr 60 70 80 80 50 60 30 30 30 Rain shwrs L L D L L D C C C L C S C C S Tstms C C C C C C C C C C C S C S S $$