Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
499 FOUS53 KDMX 101043 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 543 AM CDT Mon Aug 10 2026 IAZ060-102100- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 543 AM CDT Mon Aug 10 2026 Date Mon 08/10/26 Tue 08/11/26 Wed 08/12/26 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 89 74 92 71 88 Temp 73 80 86 89 87 79 77 76 74 81 89 91 89 79 75 73 71 79 85 88 85 Dewpt 72 74 75 75 75 75 73 71 70 73 73 74 75 74 74 72 71 74 75 76 75 RH 97 82 70 64 68 88 87 85 87 77 59 58 64 85 97 97100 85 72 68 72 Wind dir E E SE SE E E E SE SE S SW W N NE E E NE NE E E NE Wind spd 4 5 8 6 5 4 4 5 5 5 8 8 5 4 4 4 4 4 5 6 6 Clouds B1 SC B1 B1 B1 B1 SC SC B1 B1 SC SC B1 SC B1 B1 SC SC SC SC SC PoP 12hr 20 30 30 40 20 QPF 12hr 0 0.01 0 0.09 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C S S S Tstms S S C C S S S Obvis PF Heat index 95 99 97 86 96101 99 94 99 94 Max heat 95 101 98 97 103 98 96 100 Date Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 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 69 78 65 78 66 81 66 79 Temp 74 70 75 74 68 67 75 75 70 68 78 78 70 67 76 75 Dewpt 72 70 72 71 68 66 71 71 69 67 73 73 70 67 72 71 PWind dir E E E E E SW NW NW Wind char LT LT LT GN GN LT LT LT Avg clouds SC B2 OV OV B2 OV OV B2 B2 B2 B2 B1 SC B1 B1 B1 PoP 12hr 70 80 70 50 60 30 40 30 Rain shwrs S L D L C L C C L L C C C C S Tstms S L C C C C C C C C C C C S $$ IAZ039-102100- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 543 AM CDT Mon Aug 10 2026 Date Mon 08/10/26 Tue 08/11/26 Wed 08/12/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 69 85 68 85 Temp 69 76 82 84 82 74 72 71 70 76 82 85 83 75 72 70 69 76 82 84 82 Dewpt 68 73 75 75 75 73 72 71 70 73 75 75 75 73 71 70 69 73 74 74 73 RH 97 90 79 74 79 97100100100 90 79 72 77 94 97100100 90 77 72 74 Wind dir NE E E E E E E E SE SE S NW NE NE E NE NE NE E NE NE Wind spd 3 6 8 8 6 5 5 5 4 5 5 5 5 4 2 2 3 4 4 5 4 Clouds B1 B2 B1 SC B1 B1 B1 SC OV B2 B1 B1 B1 SC SC B1 B2 B1 SC SC SC PoP 12hr 20 60 60 30 20 QPF 12hr 0 0.26 0.16 0.06 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L C C C S S Tstms S C S S S Obvis PF Heat index 89 91 89 89 94 90 88 91 87 Max heat 89 92 85 90 95 86 89 93 Date Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 77 62 75 62 77 63 76 Temp 71 67 74 73 66 64 73 72 67 64 74 74 67 64 73 73 Dewpt 69 67 69 67 64 62 66 66 65 64 69 69 67 64 69 67 PWind dir NE E E E SE S NW NW Wind char LT LT LT GN GN GN LT LT Avg clouds SC B2 OV B2 B2 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 30 60 40 40 60 30 40 20 Rain shwrs C L L C C C C C L C S C C S S Tstms C C C S S C S S S S S S S S $$ IAZ048-102100- Ames-Story IA 41.99N 93.62W Elev. 936 ft 543 AM CDT Mon Aug 10 2026 Date Mon 08/10/26 Tue 08/11/26 Wed 08/12/26 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 87 71 89 69 86 Temp 70 78 83 86 85 76 74 72 72 79 85 88 85 76 73 71 70 78 83 86 83 Dewpt 69 74 76 77 76 75 74 71 70 74 75 76 76 74 73 71 70 74 77 77 75 RH 97 88 80 75 75 97100 97 93 85 72 68 75 94100100100 88 82 75 77 Wind dir NE E E E E E E SE SE S SW NW NE E E E NE NE E E NE Wind spd 3 8 9 8 5 5 3 4 3 5 6 6 4 3 2 3 3 4 5 5 4 Clouds B1 B2 SC B1 B1 B1 B1 B1 B1 B1 SC SC B1 SC B1 B1 B1 SC SC SC SC PoP 12hr 20 40 30 40 20 QPF 12hr 0 0.03 0.01 0.15 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C S C C S S Tstms S S C S S S S Obvis PF Heat index 91 97 94 94 99 95 92 98 91 Max heat 92 100 92 95 102 93 94 100 Date Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 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 67 77 64 77 65 79 64 78 Temp 72 68 74 73 67 65 74 73 68 66 76 76 69 66 76 74 Dewpt 72 68 72 69 67 65 70 70 68 66 72 72 69 66 72 70 PWind dir NE E E E E SW NW NW Wind char LT LT LT GN GN LT LT LT Avg clouds SC B2 OV OV B2 B2 OV B2 B2 B2 B2 B1 SC B1 B1 B1 PoP 12hr 60 80 50 50 60 20 40 30 Rain shwrs L D C C C C C L L S C C C S Tstms C C C C C C C C C S C C S $$ IAZ004-102100- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 543 AM CDT Mon Aug 10 2026 Date Mon 08/10/26 Tue 08/11/26 Wed 08/12/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 66 83 65 82 Temp 67 73 80 82 81 74 70 68 66 74 79 82 81 72 69 67 65 74 79 82 80 Dewpt 66 70 71 71 72 71 69 67 66 71 71 72 72 71 69 67 65 70 71 70 70 RH 97 90 74 69 74 90 97 97100 90 77 72 74 97100100100 87 77 67 72 Wind dir N E E E E E E E E E NE NE E E E NE NE E E NE NE Wind spd 5 8 10 9 9 8 4 6 5 5 6 5 5 3 3 3 3 5 5 6 6 Clouds B1 B1 B1 B1 B1 B1 B1 OV OV B2 B1 SC SC SC SC B1 B2 B1 SC SC SC PoP 12hr 10 60 30 30 5 QPF 12hr 0 0.41 0 0.08 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L C C C Tstms S S S S S Obvis PF Heat index 87 86 Max heat 83 88 84 88 83 86 Date Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 75 57 72 59 74 58 73 Temp 68 63 71 72 62 59 69 69 63 61 70 72 64 60 70 71 Dewpt 65 62 66 65 61 58 64 66 63 61 67 68 64 60 66 67 PWind dir NE NE E E SE W NW N Wind char LT GN LT GN GN GN LT LT Avg clouds B1 B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 30 40 20 40 50 30 30 20 Rain shwrs C C C S S C C C C C C S C S Tstms C S C S S C C S S C S S $$ IAZ035-102100- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 543 AM CDT Mon Aug 10 2026 Date Mon 08/10/26 Tue 08/11/26 Wed 08/12/26 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 86 69 89 67 87 Temp 69 76 82 85 84 75 73 70 70 78 85 88 86 75 71 69 68 77 84 86 83 Dewpt 68 73 74 75 74 74 72 70 69 72 74 73 73 73 71 69 68 73 74 73 72 RH 97 90 77 72 72 97 97100 97 82 70 61 65 94100100100 87 72 65 70 Wind dir NE E E E E E E E NE SE E NE NE E E E NE E E NE E Wind spd 3 8 9 8 5 5 4 4 3 4 4 4 3 3 2 2 2 3 4 4 4 Clouds B1 B1 B1 B1 B1 B1 B1 B2 OV B1 SC SC SC SC SC B1 B2 B1 SC SC SC PoP 12hr 10 50 20 40 10 QPF 12hr 0 0.40 0 0.14 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S C C Tstms S C S S S Obvis PF Heat index 87 94 91 92 95 93 91 94 89 Max heat 88 95 89 93 98 91 92 95 Date Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 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 66 77 60 75 62 78 61 77 Temp 70 66 74 72 64 62 73 72 66 64 74 75 66 63 74 73 Dewpt 69 66 70 67 64 62 68 68 66 64 71 70 66 63 69 68 PWind dir E E E E SE SW NW N Wind char LT LT LT GN GN LT LT LT Avg clouds B1 B2 OV B2 B2 B2 OV B2 B2 B2 OV B2 B1 B1 B2 B1 PoP 12hr 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 $$ IAZ094-102100- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 543 AM CDT Mon Aug 10 2026 Date Mon 08/10/26 Tue 08/11/26 Wed 08/12/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 76 92 73 89 Temp 76 80 86 89 88 81 79 77 76 83 89 92 90 81 77 75 73 81 86 89 86 Dewpt 67 71 73 73 74 73 70 69 68 72 72 72 74 73 72 71 71 73 74 73 74 RH 74 74 65 59 63 77 74 76 76 70 57 52 60 77 85 87 93 77 68 59 68 Wind dir S S SW SW SW S S S S SW SW SW SW E NE E SE SE SE E E Wind spd 9 6 9 9 5 5 6 9 8 9 10 10 6 5 5 5 5 6 6 5 6 Clouds B1 B1 B1 SC SC SC SC SC SC B1 B1 SC B1 SC SC B1 B1 B1 SC SC SC PoP 12hr 30 5 20 30 30 QPF 12hr 0 0 0 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S C C C C S Tstms C S C C C C S Heat index 93 97 97 86 88 96100 99 86 86 94 97 94 Max heat 94 101 95 98 101 97 96 99 Date Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 80 66 80 68 83 67 80 Temp 74 70 77 76 70 68 78 77 71 69 80 79 71 68 78 76 Dewpt 73 70 73 72 69 68 72 72 70 69 73 73 70 68 72 72 PWind dir E E E SE SE SW N NW Wind char LT GN GN GN GN GN LT LT Avg clouds SC B2 OV B2 B2 OV OV B2 B1 B1 B1 SC SC B1 B2 B1 PoP 12hr 70 80 80 40 50 20 40 30 Rain shwrs S L D C L D C C C C S S S C C S Tstms S C C C C C C S C C S S S C S $$ IAZ017-102100- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 543 AM CDT Mon Aug 10 2026 Date Mon 08/10/26 Tue 08/11/26 Wed 08/12/26 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 83 66 84 65 84 Temp 67 74 79 81 81 72 70 68 68 74 80 82 82 72 70 67 66 75 81 83 81 Dewpt 66 72 73 72 74 72 70 68 68 72 73 73 73 71 70 67 66 72 72 70 71 RH 97 93 82 74 79100100100100 93 79 74 74 97100100100 90 74 65 72 Wind dir N E E E E E E E SE E E NE NE E E E NE E SE NE NE Wind spd 3 6 8 6 5 5 4 5 5 5 4 3 3 2 1 1 2 3 4 4 4 Clouds B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B1 B1 SC SC SC B1 B1 B1 SC SC SC PoP 12hr 10 60 40 30 5 QPF 12hr 0 0.20 0.08 0.13 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C C Tstms C S S S S Obvis PF Heat index 86 87 87 Max heat 84 87 85 89 84 86 88 Date Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 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 64 76 58 74 59 76 59 75 Temp 69 65 75 73 63 61 72 71 64 62 72 73 65 62 72 72 Dewpt 67 64 67 65 62 60 65 65 64 62 68 68 65 62 67 67 PWind dir E E E E SE S NW NW Wind char LT LT LT GN GN GN LT LT Avg clouds SC B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 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 $$ IAZ049-102100- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 543 AM CDT Mon Aug 10 2026 Date Mon 08/10/26 Tue 08/11/26 Wed 08/12/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 69 88 68 86 Temp 69 76 82 85 83 74 72 71 71 77 84 87 84 74 72 70 68 76 83 85 82 Dewpt 68 73 75 75 75 73 72 70 69 72 74 75 75 73 72 70 68 73 74 75 74 RH 97 90 79 72 77 97100 97 93 85 72 68 74 97100100100 90 74 72 77 Wind dir E E E E E E E E SE S SW NW NE NE E E E NE E NE NE Wind spd 3 6 6 6 5 5 4 5 4 4 4 5 4 3 3 3 3 3 3 4 4 Clouds B1 B2 SC B1 B1 B1 B1 B1 B1 B2 SC SC SC SC SC B1 B1 B1 B1 SC SC PoP 12hr 20 50 50 40 20 QPF 12hr 0 0.09 0.09 0.14 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C S C C S S Tstms S S C S S C S Obvis PF Heat index 89 93 90 91 97 91 90 94 88 Max heat 90 96 87 94 99 88 92 96 Date Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 77 62 77 63 79 63 77 Temp 70 67 74 73 66 64 74 72 66 64 75 75 67 64 74 73 Dewpt 70 67 70 68 65 63 67 67 66 64 70 70 67 64 70 68 PWind dir NE NE E E E SW NW NW Wind char LT LT LT GN GN LT LT LT Avg clouds SC B2 OV OV B2 B2 OV B2 B2 B2 B2 B1 B1 B1 B2 B1 PoP 12hr 50 70 50 50 60 30 40 20 Rain shwrs C L L C C C C C L C S C C S S Tstms C C C C C C C C C S S C C S $$ IAZ086-102100- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 543 AM CDT Mon Aug 10 2026 Date Mon 08/10/26 Tue 08/11/26 Wed 08/12/26 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 75 92 72 89 Temp 74 81 86 89 88 79 77 76 75 81 88 91 89 79 76 73 72 79 85 88 85 Dewpt 71 73 74 74 75 75 74 72 71 74 74 74 75 75 75 73 72 75 76 76 76 RH 90 77 68 61 66 88 90 87 87 79 63 58 64 88 97100100 88 75 68 75 Wind dir S SE S SW S SE SE S S SW SW SW NW NE E E E E E NE NE Wind spd 3 5 5 6 5 5 5 8 6 8 8 8 5 5 4 4 5 5 5 4 5 Clouds SC SC SC SC B1 B1 B1 SC SC B1 SC SC SC SC SC B1 B1 SC SC SC SC PoP 12hr 20 10 20 40 60 QPF 12hr 0 0.01 0 0.02 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C L L Tstms S S S C S C S Heat index 86 94 98 97 87 97101 99 95 99 94 Max heat 95 101 94 98 103 96 97 102 Date Thu 08/13/26 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 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 70 80 66 80 67 83 67 81 Temp 73 70 77 77 69 67 77 77 70 68 80 80 71 69 79 77 Dewpt 73 70 74 72 69 67 72 72 70 68 74 74 71 69 73 72 PWind dir E E NE E SE SW NW NW Wind char LT LT LT GN GN GN LT LT Avg clouds SC B2 OV B2 B2 OV OV B2 B2 B1 B2 B1 SC SC B1 B1 PoP 12hr 70 80 80 50 60 30 30 30 Rain shwrs 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 S C S S $$