Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
186 FOUS53 KDMX 091733 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 1233 PM CDT Sat Aug 9 2025 IAZ060-092100- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 1233 PM CDT Sat Aug 9 2025 Date Sat 08/09/25 Sun 08/10/25 Mon 08/11/25 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 69 84 67 81 Temp 80 82 81 76 73 70 69 74 79 82 80 75 72 69 69 73 78 81 79 Dewpt 73 73 74 74 72 70 69 71 72 74 73 72 70 68 67 68 69 69 69 RH 79 74 79 94 97100100 90 79 77 79 90 93 97 93 84 74 67 72 Wind dir S SE SE E SE SE SE S SW W N N SW W NW NW NW NW NW Wind spd 6 8 5 5 5 6 6 5 5 5 5 3 4 3 4 4 5 4 3 Clouds B2 B2 B1 B2 B2 OV OV B2 B2 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 50 90 60 70 40 QPF 12hr 0.20 1.50 0.28 1.19 0.08 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C C L D C C L L L L L L C C C C S Tstms C S C C L C C S C L C C S S C C C S Heat index 87 87 87 Max heat 84 92 87 84 88 85 Flood A A A A A A A A A A A A A A Date Tue 08/12/25 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 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 85 66 86 68 87 70 89 Temp 70 66 81 82 71 67 82 81 72 69 83 84 74 71 85 86 Dewpt 68 65 69 70 67 66 71 70 69 68 72 72 71 69 74 73 PWind dir W W SW S S S S S Wind char LT LT LT LT LT LT LT GN Avg clouds B1 B1 SC SC SC SC SC SC SC SC SC SC FW FW FW FW PoP 12hr 20 10 10 20 20 20 10 10 Rain shwrs S S S S S S Tstms S S S S S S $$ IAZ039-092100- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 1233 PM CDT Sat Aug 9 2025 Date Sat 08/09/25 Sun 08/10/25 Mon 08/11/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 69 82 66 80 Temp 80 80 79 73 73 70 70 74 79 81 79 73 70 68 67 73 78 80 78 Dewpt 72 72 73 72 71 69 70 71 72 72 71 70 69 67 66 68 69 68 69 RH 77 77 82 97 93 97100 90 79 74 77 90 97 97 97 84 74 67 74 Wind dir SW S S SE SE S S SW SW SW SW SW SW NW W NW NW W NW Wind spd 11 11 8 5 5 6 6 6 6 5 4 3 3 3 3 4 5 5 3 Clouds B2 B2 B2 B2 OV OV OV B2 B2 B1 B1 B2 OV B2 B2 B1 B1 SC SC PoP 12hr 50 90 50 60 30 QPF 12hr 0.18 0.92 0.23 0.83 0.08 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C L L C C C C L L L L C C S S S Tstms C C C C C C S S C C C C C C S S S S S Flood A A A A A A A A A A A A A A Date Tue 08/12/25 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 84 64 84 65 85 68 87 Temp 68 65 80 80 68 66 81 80 70 68 82 81 72 69 83 84 Dewpt 66 64 69 69 66 65 69 70 68 66 71 71 70 69 73 73 PWind dir W W SW S SE S S S Wind char LT LT LT LT LT LT LT GN Avg clouds B1 B1 SC FW SC SC SC SC SC SC SC SC FW SC SC FW PoP 12hr 20 10 10 20 20 20 20 10 Rain shwrs S S S S S S S S Tstms S S S S S S S S $$ IAZ048-092100- Ames-Story IA 41.99N 93.62W Elev. 936 ft 1233 PM CDT Sat Aug 9 2025 Date Sat 08/09/25 Sun 08/10/25 Mon 08/11/25 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 68 83 65 82 Temp 79 81 79 74 71 69 68 74 79 81 79 73 69 68 66 73 78 81 78 Dewpt 73 74 74 73 71 69 68 71 73 74 73 71 69 68 66 68 69 69 70 RH 82 79 85 97100100100 90 82 79 82 93100100100 84 74 67 76 Wind dir S SE SE E E S S S SW W W NE N N NW N N NW N Wind spd 6 6 5 4 4 4 4 5 5 5 4 2 3 3 2 3 4 4 3 Clouds B2 B1 B2 B2 B2 OV OV B2 B2 B1 B2 B2 B2 B2 B2 B1 SC SC B1 PoP 12hr 60 80 50 60 30 QPF 12hr 0.11 1.16 0.38 0.79 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C C D L C C C C L L C C C C S S S Tstms C S C C C C S C C C C C C S C S S S Heat index 86 Max heat 84 89 87 85 Flood A A A A A A A A A A A A A A Date Tue 08/12/25 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 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 84 64 85 66 86 69 88 Temp 68 64 80 81 69 66 82 81 70 67 83 82 72 69 85 85 Dewpt 67 64 70 71 67 65 71 71 69 67 72 73 71 69 74 75 PWind dir NW W S S SE S S S Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 SC FW SC SC SC SC SC SC SC FW FW SC SC FW PoP 12hr 20 10 10 20 20 20 10 10 Rain shwrs S S S S S Tstms S S S S S $$ IAZ004-092100- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 1233 PM CDT Sat Aug 9 2025 Date Sat 08/09/25 Sun 08/10/25 Mon 08/11/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 64 83 61 82 Temp 77 80 80 71 68 66 64 74 80 82 78 69 65 63 62 72 79 81 79 Dewpt 70 69 70 68 67 64 64 69 69 69 68 65 62 60 60 64 64 65 66 RH 79 69 72 90 97 93100 84 69 65 71 87 90 90 93 76 60 58 64 Wind dir NE SW S S S S SW W W W NW N N NW NW NW W SW SW Wind spd 5 5 4 3 3 3 4 5 6 8 6 5 4 3 3 3 5 5 5 Clouds B1 SC FW SC B1 B2 B2 SC SC SC SC B1 SC B1 SC FW FW FW FW PoP 12hr 10 5 10 10 10 QPF 12hr 0.02 0 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Tstms Date Tue 08/12/25 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 85 63 85 65 85 68 87 Temp 66 65 81 80 67 64 81 81 70 66 82 82 72 69 83 83 Dewpt 62 61 67 68 64 62 68 69 66 65 70 71 68 67 72 72 PWind dir SW W S S S S S S Wind char LT LT LT LT GN GN GN GN Avg clouds FW SC FW FW FW SC FW FW SC FW FW FW FW SC SC FW PoP 12hr 5 5 5 10 20 10 10 10 Rain shwrs S Tstms S $$ IAZ035-092100- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 1233 PM CDT Sat Aug 9 2025 Date Sat 08/09/25 Sun 08/10/25 Mon 08/11/25 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 82 67 83 63 83 Temp 78 80 79 72 69 68 67 74 81 82 78 71 67 65 64 73 79 81 79 Dewpt 72 73 73 72 69 68 67 71 72 72 71 69 67 64 63 67 67 68 69 RH 82 79 82100100100100 90 74 72 79 93100 97 97 81 67 65 72 Wind dir N SE SE E E S S SW W W W N N N N N N NW NW Wind spd 6 5 4 3 4 4 3 5 4 5 4 4 4 3 3 3 3 4 3 Clouds B2 B1 B1 B1 OV B2 B2 B1 B1 B1 B2 B2 B2 B2 B1 SC SC SC SC PoP 12hr 40 40 30 30 20 QPF 12hr 0.10 0.19 0.26 0.29 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C C C S S C C C C C C S S Tstms S S C C C S S S C C C C C S S Date Tue 08/12/25 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 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 85 63 85 65 87 69 88 Temp 66 64 82 81 68 64 82 81 70 67 83 82 72 69 85 85 Dewpt 65 63 69 71 66 64 71 71 67 66 72 72 70 69 73 74 PWind dir SW SW S S SE S S S Wind char LT LT LT LT LT GN LT GN Avg clouds SC SC SC FW SC SC SC FW SC SC FW FW FW SC SC FW PoP 12hr 10 5 5 20 20 10 10 5 Rain shwrs S S Tstms S S $$ IAZ094-092100- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 1233 PM CDT Sat Aug 9 2025 Date Sat 08/09/25 Sun 08/10/25 Mon 08/11/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 70 84 66 80 Temp 82 84 84 77 76 72 70 75 79 82 80 73 71 69 68 72 76 79 77 Dewpt 73 74 76 75 72 70 70 72 72 74 73 72 71 69 68 70 70 70 70 RH 74 72 77 94 87 93100 90 79 77 79 97100100100 93 82 74 79 Wind dir S S SE SE SE NW SE S SW SW NE NE N S N SW SW W NW Wind spd 8 10 6 5 6 6 8 8 6 5 5 4 5 4 4 4 5 4 3 Clouds B1 B2 B1 B1 B2 B2 OV B2 B1 B1 B1 B2 B2 OV B2 B2 B2 B2 B1 PoP 12hr 40 80 70 80 50 QPF 12hr 0.02 0.72 0.31 1.17 0.15 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C L D C C L L D D D D C C C C C Tstms C C S C L L C S C C L L C S C C C C C Heat index 88 92 93 88 Max heat 89 96 89 89 Flood A A A A A A A A A A A A A A Date Tue 08/12/25 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 82 65 83 67 84 69 87 Temp 70 67 79 79 69 66 80 79 71 68 81 81 73 69 83 84 Dewpt 70 67 69 71 68 66 70 71 69 68 72 73 71 69 74 75 PWind dir S W SW S S S S S Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B1 SC SC SC SC SC SC SC SC SC FW FW FW FW PoP 12hr 30 20 10 30 20 20 10 5 Rain shwrs C C S S C C S S S Tstms C S S S C C S S $$ IAZ017-092100- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 1233 PM CDT Sat Aug 9 2025 Date Sat 08/09/25 Sun 08/10/25 Mon 08/11/25 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 66 82 62 81 Temp 74 78 77 72 69 68 67 74 79 82 77 69 66 64 64 72 78 80 78 Dewpt 70 72 71 70 69 68 67 70 72 72 70 67 64 63 62 66 66 67 67 RH 87 82 82 93100100100 87 79 72 79 93 93 97 93 81 67 65 69 Wind dir SE SW S SE S S S SW SW SW W NW N N N N NW NW W Wind spd 5 5 4 3 3 3 3 4 5 5 4 3 3 3 2 2 3 3 2 Clouds B2 B1 B1 B1 B2 OV B2 B1 B1 B1 B1 B2 B2 B2 B1 SC SC SC SC PoP 12hr 50 30 30 30 20 QPF 12hr 0.22 0.36 0.19 0.29 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S C C C S S C C C C C C S S Tstms S S S C C S S S C C S C S Date Tue 08/12/25 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 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 82 62 83 64 84 67 85 Temp 65 63 80 79 66 64 80 79 68 65 81 81 71 69 82 82 Dewpt 62 61 68 69 64 62 69 70 66 65 72 72 68 67 73 73 PWind dir SW W SW S S S S S Wind char LT LT LT LT LT LT LT GN Avg clouds SC SC FW FW FW SC SC SC SC SC SC FW FW SC SC FW PoP 12hr 5 5 5 20 20 20 10 10 Rain shwrs S S S S Tstms S S S S $$ IAZ049-092100- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 1233 PM CDT Sat Aug 9 2025 Date Sat 08/09/25 Sun 08/10/25 Mon 08/11/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 69 82 65 80 Temp 79 80 79 74 72 70 70 73 78 80 78 71 69 67 66 72 77 79 77 Dewpt 72 73 74 73 71 69 68 71 72 73 72 70 68 66 66 68 69 68 69 RH 79 79 85 97 97 97 93 93 82 79 82 97 97 97100 87 76 69 76 Wind dir SW S SE SE SE SE S S SW W W E N N NW NW W W NW Wind spd 8 9 5 5 6 8 6 6 5 5 3 3 3 3 3 4 4 3 2 Clouds B2 B2 B1 B2 OV OV B2 B2 B2 B1 B1 B2 B2 B2 B2 B1 B1 SC B1 PoP 12hr 60 80 60 70 30 QPF 12hr 0.33 1.03 0.36 1.19 0.08 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C D D C C L L L L L L C C C C S Tstms C C C C C C S S C C C C C C S S C C S Flood A A A A A A A A A A A A A A Date Tue 08/12/25 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 82 64 83 65 85 67 87 Temp 67 64 80 80 68 66 80 79 69 66 81 81 71 69 82 83 Dewpt 66 63 69 70 66 64 71 70 67 65 72 72 69 68 74 74 PWind dir W W SW S SE S S S Wind char LT LT LT LT LT LT LT GN Avg clouds B1 B1 SC FW SC SC SC SC SC SC SC FW FW SC SC FW PoP 12hr 20 10 10 20 20 20 20 10 Rain shwrs S S S S S S S Tstms S S S S S S S $$ IAZ086-092100- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 1233 PM CDT Sat Aug 9 2025 Date Sat 08/09/25 Sun 08/10/25 Mon 08/11/25 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 88 70 84 69 81 Temp 84 87 83 77 76 73 71 74 79 82 80 75 73 71 70 74 78 80 78 Dewpt 73 75 76 74 72 71 70 72 73 75 75 74 72 70 69 71 71 72 72 RH 70 68 80 90 87 93 97 93 82 79 85 97 97 97 97 90 79 77 82 Wind dir S S S SE SE NW SE S S SW SE E SW SW SW SW SW W SW Wind spd 9 10 6 6 8 10 9 9 8 6 5 5 5 4 5 5 5 5 3 Clouds B1 B2 B1 B1 B2 OV OV B1 B2 B1 B1 B2 B2 OV B2 B1 B1 B1 B1 PoP 12hr 40 80 80 90 60 QPF 12hr 0.17 1.28 0.42 1.53 0.14 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C D D D L L D D D D L L L L C Tstms C C C C C L C S C C L L C S S S S C C Heat index 90 96 91 88 85 Max heat 91 98 90 85 90 85 Flood A A A A A A A A A A A A A A Date Tue 08/12/25 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 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 82 67 85 68 85 69 88 Temp 71 69 79 80 70 68 81 81 71 69 82 82 73 71 84 85 Dewpt 70 69 70 72 70 68 71 72 70 69 72 74 72 70 74 75 PWind dir SW W SW S S S S S Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B2 B1 SC SC SC SC SC SC B1 SC SC FW FW SC FW PoP 12hr 40 30 20 30 20 30 20 10 Rain shwrs C C C S S C C S C S S Tstms C S C S S C C S S S S $$