Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
081 FOUS53 KDMX 141612 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 1112 AM CDT Fri Aug 14 2026 IAZ060-142100- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 1112 AM CDT Fri Aug 14 2026 Date Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 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 72 89 70 82 Temp 76 79 81 78 77 75 73 80 86 89 86 77 75 73 71 76 79 82 78 Dewpt 73 75 77 75 75 74 73 76 78 79 79 76 75 73 71 74 74 73 71 RH 90 88 88 91 94 97100 88 77 73 80 97100100100 94 85 74 79 Wind dir SE E E E E E S W NW NW N NW NW NW NW N N N N Wind spd 9 6 11 10 8 5 5 5 5 6 5 3 3 4 4 8 9 11 8 Clouds B2 B2 B2 OV OV B2 B2 B2 SC SC B1 B2 B2 B2 B2 B2 B1 SC SC PoP 12hr 70 80 20 80 20 QPF 12hr 0.12 0.82 0.01 0.80 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D L L S C L D D S S Tstms C C D L L S C L D D S S Heat index 89 86 99104100 87 Max heat 91 89 103 108 95 85 89 Flood A A A A A A A Date Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 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 80 63 84 68 81 64 77 Temp 68 64 77 77 67 65 81 81 72 68 78 76 68 64 75 74 Dewpt 66 63 66 68 65 64 72 74 70 68 72 71 67 63 67 68 PWind dir N N S S S N NE E Wind char LT LT LT LT LT GN LT LT Avg clouds SC FW SC FW FW FW SC FW SC B1 B1 SC SC SC B1 SC PoP 12hr 0 0 5 10 60 20 20 10 Rain shwrs C L S S Tstms C C S S $$ IAZ039-142100- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 1112 AM CDT Fri Aug 14 2026 Date Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 69 86 68 80 Temp 73 74 75 73 73 71 70 77 82 85 82 75 73 71 69 74 78 79 75 Dewpt 71 72 71 71 71 71 70 74 77 78 77 74 73 71 69 71 72 71 68 RH 93 93 87 93 93100100 90 85 80 85 97100100100 90 82 77 79 Wind dir E SE E E E SE E SW NW NW W W W W NW N NW NW NW Wind spd 11 9 11 12 11 9 5 5 5 6 5 2 3 4 5 9 11 13 10 Clouds B2 B2 OV OV OV OV B2 B2 B1 SC SC B1 B2 B2 B2 B1 SC SC FW PoP 12hr 70 90 30 70 10 QPF 12hr 0.19 1.03 0.04 0.34 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L D L D L C S S L L L L Tstms C L D L D L C S S L L L L Heat index 91 98 90 Max heat 93 100 87 83 Flood A A A A A A A Date Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 78 60 80 65 78 60 75 Temp 66 61 76 75 65 62 78 76 69 66 75 73 65 61 73 71 Dewpt 63 60 64 65 63 62 70 71 69 66 70 67 63 60 64 64 PWind dir NW NW S SW SE N NE SE Wind char LT LT LT LT LT GN LT LT Avg clouds FW FW FW FW FW FW SC B1 B1 B1 B2 SC SC SC B1 SC PoP 12hr 0 0 5 30 70 30 20 20 Rain shwrs S C L L C S S S S Tstms S S C C C S S S S $$ IAZ048-142100- Ames-Story IA 41.99N 93.62W Elev. 936 ft 1112 AM CDT Fri Aug 14 2026 Date Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 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 80 70 88 68 81 Temp 74 76 78 75 75 73 72 79 85 87 83 76 73 72 69 75 78 80 77 Dewpt 72 74 75 75 74 73 72 76 79 80 78 75 73 72 69 72 73 73 70 RH 93 94 91100 97100100 91 82 80 85 97100100100 90 85 79 79 Wind dir SE E E E E SE SW W NW NW NW NW NW NW NW N N N N Wind spd 9 8 10 10 8 5 4 4 4 4 5 2 2 3 4 9 10 11 8 Clouds B2 B2 OV OV OV OV B2 B2 B1 SC B2 B2 B2 B2 B2 B1 SC SC FW PoP 12hr 70 80 30 70 20 QPF 12hr 0.18 0.96 0.02 0.15 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D L L S S L L L L S S Tstms C C D L L S S L L L L S S Heat index 97103 94 85 Max heat 99 106 91 86 Flood A A A A A A A Date Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 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 62 79 62 82 66 79 62 76 Temp 66 62 77 76 66 64 80 79 70 67 77 75 66 62 74 73 Dewpt 65 62 66 67 65 64 72 73 70 67 72 70 66 62 67 67 PWind dir N NW S S S N NE SE Wind char LT LT LT LT LT GN LT LT Avg clouds FW SC SC FW FW SC SC SC B1 B1 B1 SC SC SC B1 SC PoP 12hr 0 0 5 10 70 20 20 20 Rain shwrs S C L S S S S Tstms S C C S S S S $$ IAZ004-142100- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 1112 AM CDT Fri Aug 14 2026 Date Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 67 81 63 76 Temp 71 72 73 71 70 69 68 74 79 79 77 72 70 67 64 69 73 76 74 Dewpt 68 70 73 71 70 69 68 72 75 76 75 71 70 67 64 66 66 66 65 RH 90 93100100100100100 93 88 91 94 97100100100 90 79 71 74 Wind dir SE SE E E E E NE W W W W W NW N N N N N N Wind spd 12 10 10 10 6 4 3 4 4 4 5 4 5 9 11 12 12 12 8 Clouds OV B2 B2 B2 OV OV B2 B2 B1 B2 B1 B2 B1 B1 B1 SC SC FW FW PoP 12hr 60 60 40 40 0 QPF 12hr 0.37 0.19 0.06 0.09 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L C C S S C C C S S Tstms C L L C C S S C C C S S Date Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 57 78 60 79 61 75 56 74 Temp 61 57 75 75 64 62 77 74 66 62 72 72 60 57 71 71 Dewpt 57 55 63 67 63 62 72 72 66 62 66 66 59 57 64 65 PWind dir NW SW S SW NW N SE S Wind char LT LT GN GN GN GN LT LT Avg clouds FW SC FW FW FW SC B1 B1 B1 B1 B2 SC SC SC B1 B1 PoP 12hr 0 5 40 60 70 20 10 20 Rain shwrs C C L L L S S Tstms C S C C C S S $$ IAZ035-142100- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 1112 AM CDT Fri Aug 14 2026 Date Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 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 78 68 85 66 79 Temp 73 74 76 73 72 71 71 76 83 85 80 74 72 70 67 72 77 79 76 Dewpt 71 72 75 73 72 71 71 75 78 79 77 73 72 70 67 70 71 70 69 RH 93 93 97100100100100 97 85 82 91 97100100100 93 82 74 79 Wind dir SE SE E E E SE SW W NW NW W W W NW N N N N N Wind spd 10 8 9 8 5 4 2 3 3 3 3 2 1 4 5 9 10 10 5 Clouds B2 OV OV OV B2 OV OV OV B2 B1 B2 B1 B1 B2 B2 B1 SC FW FW PoP 12hr 80 70 40 60 5 QPF 12hr 0.21 0.59 0.06 0.07 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L L C C S C C L C C Tstms L L L C C S C C L C C Heat index 92 97 87 Max heat 94 98 Flood A A A A A A A Date Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 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 59 79 60 81 64 78 58 76 Temp 63 59 76 76 64 62 78 76 68 64 75 74 63 60 73 72 Dewpt 61 59 66 68 63 62 73 74 68 64 70 69 63 60 66 67 PWind dir NW W S S SE N NE SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC SC FW FW SC B1 B1 B1 B1 B2 SC SC SC B2 SC PoP 12hr 0 0 20 40 70 20 20 20 Rain shwrs S C C L L S S S S Tstms S C C C C S S S S $$ IAZ094-142100- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 1112 AM CDT Fri Aug 14 2026 Date Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 74 91 70 82 Temp 82 85 86 81 79 77 75 83 88 91 88 79 76 73 72 77 80 82 79 Dewpt 75 75 75 75 74 71 70 73 73 73 75 75 76 73 72 73 74 74 72 RH 79 72 70 82 85 82 84 72 61 56 66 88100100100 87 82 77 79 Wind dir SE SE E E SE SW SW W W W N N N N N N N N N Wind spd 8 6 6 8 8 8 6 8 9 9 5 4 3 4 5 8 8 10 10 Clouds B2 B2 B1 B1 B2 OV B2 B2 B2 B1 B1 B1 B2 B2 B2 B2 B2 SC B1 PoP 12hr 30 30 10 60 30 QPF 12hr 0 0.07 0 0.08 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S S L C C C C C C Tstms S C C S S S L C C C C C C Heat index 89 94 95 86 89 97 99 97 85 88 Max heat 89 96 95 98 102 95 86 90 Flood A A A A A A A Date Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 80 63 85 69 84 65 79 Temp 69 65 78 78 67 65 82 82 73 70 81 79 70 66 77 76 Dewpt 69 64 65 67 66 64 70 71 69 67 71 71 68 64 66 67 PWind dir N NE SE S SE NE NE SE Wind char LT LT LT LT GN GN LT LT Avg clouds SC SC SC SC SC FW FW FW SC B1 B2 SC SC B1 B1 SC PoP 12hr 5 0 5 5 30 20 20 10 Rain shwrs S C S S S Tstms S C S S S $$ IAZ017-142100- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 1112 AM CDT Fri Aug 14 2026 Date Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 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 76 66 83 65 77 Temp 71 72 74 71 70 69 67 74 79 81 79 72 71 69 66 71 75 76 74 Dewpt 68 70 71 71 70 69 67 73 76 76 75 72 71 69 66 69 69 67 66 RH 90 93 90100100100100 97 91 85 88100100100100 93 82 74 76 Wind dir E SE SE E E E E SW NW NW W W W NW NW N N N NW Wind spd 12 8 11 11 9 6 4 4 3 3 4 2 3 5 8 10 11 12 6 Clouds B2 B2 B2 OV OV OV OV B2 B2 B1 B2 B1 B2 B2 B1 B1 SC FW FW PoP 12hr 80 80 30 60 5 QPF 12hr 0.12 0.48 0.01 0.34 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L D C D C S C L S S Tstms C L D C D C S C L S S Heat index 87 Max heat 90 Date Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 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 57 78 59 79 62 76 57 74 Temp 63 58 75 75 63 62 77 75 67 63 74 72 61 58 72 71 Dewpt 59 57 63 65 62 62 71 71 67 63 68 65 60 58 63 64 PWind dir NW W S SW W N NE SE Wind char LT LT LT GN LT GN LT LT Avg clouds FW FW FW FW FW SC B1 B1 B1 B1 B2 SC SC SC B1 SC PoP 12hr 0 0 20 50 70 20 20 20 Rain shwrs S C C L L S S S Tstms S S C C C S S $$ IAZ049-142100- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 1112 AM CDT Fri Aug 14 2026 Date Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 68 87 67 81 Temp 73 75 76 74 73 72 70 77 83 86 83 74 72 70 68 74 78 80 76 Dewpt 72 73 73 72 72 72 70 75 78 79 77 74 72 70 68 72 73 72 69 RH 97 94 90 93 97100100 94 85 80 82100100100100 93 85 77 79 Wind dir E E E E E SE SE W W NW NW NW W W NW N N N N Wind spd 10 8 11 11 9 8 4 4 4 5 4 2 2 3 4 8 9 11 8 Clouds B2 OV B2 OV OV B2 B2 B2 B2 B1 B2 B1 B2 B2 B2 B2 B1 SC FW PoP 12hr 70 80 20 70 20 QPF 12hr 0.15 1.66 0 0.19 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D L D C L C L L S S Tstms C C D L D C L C L L S S Heat index 93100 91 Max heat 96 101 89 86 Flood A A A A A A A Date Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 79 60 82 64 79 60 76 Temp 65 61 76 75 64 62 78 77 68 65 77 74 64 61 74 71 Dewpt 63 60 65 66 62 62 70 71 68 65 70 68 63 61 65 65 PWind dir NW NW S SW S N NE SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC FW FW FW SC SC B1 B1 B1 B1 SC SC B1 B1 PoP 12hr 0 0 5 20 70 20 20 20 Rain shwrs S S C L S S S S Tstms S S C C S S S S $$ IAZ086-142100- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 1112 AM CDT Fri Aug 14 2026 Date Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 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 85 73 91 71 84 Temp 79 81 83 78 77 75 74 81 87 90 88 78 76 74 72 77 81 83 80 Dewpt 75 76 77 77 76 75 74 77 78 79 79 76 76 74 72 76 76 76 73 RH 88 85 82 97 97100100 88 75 70 75 94100100100 97 85 80 79 Wind dir E E E E SE E SE SW W W NW NW NW NW NW NW NW NW N Wind spd 10 8 10 10 9 8 8 8 9 8 5 4 3 4 4 6 8 10 10 Clouds B2 B2 OV B2 OV OV OV B1 SC SC B1 B1 B2 B2 B2 B2 B1 SC B1 PoP 12hr 40 60 20 70 40 QPF 12hr 0.02 0.65 0.01 0.11 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C L L C S C L L C C C C Tstms C S C L L C S C L L C C C C Heat index 87 93 88 99106103 87 92 Max heat 95 91 100 108 98 90 94 Flood A A A A A A A Date Mon 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 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 65 82 63 85 68 84 65 79 Temp 69 65 79 79 67 65 82 82 71 69 81 79 69 66 77 76 Dewpt 69 65 67 68 66 65 70 72 70 69 73 72 68 65 67 68 PWind dir N N SE S SE NE NE E Wind char LT LT LT LT LT GN LT LT Avg clouds SC FW SC FW SC FW SC FW SC B1 B2 SC SC SC B1 SC PoP 12hr 5 0 5 0 50 30 20 10 Rain shwrs S C C S S Tstms S C C S S $$