Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
829 FOUS53 KDMX 111503 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 1002 AM CDT Mon Aug 11 2025 IAZ060-112100- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 1002 AM CDT Mon Aug 11 2025 Date Mon 08/11/25 Tue 08/12/25 Wed 08/13/25 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 67 85 62 83 Temp 81 82 77 72 71 68 67 74 82 85 81 74 69 64 63 72 80 82 80 Dewpt 69 70 70 70 69 67 67 69 70 70 70 69 66 63 61 65 64 64 65 RH 67 67 79 93 93 97100 84 67 61 69 84 90 97 93 79 58 55 60 Wind dir S SE SE S S SW SW SW W NW NW N N N N NE E E E Wind spd 4 3 3 3 4 4 4 5 6 5 5 3 3 2 2 2 3 3 4 Clouds B1 B1 B1 B1 B1 B2 B2 B1 SC SC FW FW FW FW FW FW CL CL FW PoP 12hr 30 30 10 10 5 QPF 12hr 0.11 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C Tstms S C Date Thu 08/14/25 Fri 08/15/25 Sat 08/16/25 Sun 08/17/25 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 86 70 91 72 91 72 88 Temp 67 65 82 83 74 71 87 88 78 74 87 87 77 74 84 84 Dewpt 64 62 68 70 70 68 74 74 72 70 74 73 72 69 73 73 PWind dir SE SE SE S S S S S Wind char LT GN GN GN GN GN GN GN Avg clouds FW FW FW FW FW SC SC FW FW SC SC FW SC SC SC SC PoP 12hr 5 5 10 5 5 10 30 30 Rain shwrs S C C S Tstms S S $$ IAZ039-112100- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 1002 AM CDT Mon Aug 11 2025 Date Mon 08/11/25 Tue 08/12/25 Wed 08/13/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 66 83 57 80 Temp 80 82 80 72 69 67 66 74 81 82 79 69 64 60 59 71 78 80 78 Dewpt 68 68 70 69 68 66 66 69 70 69 67 65 62 59 57 63 62 62 64 RH 67 63 72 90 97 97100 84 69 65 67 87 93 96 93 76 58 54 62 Wind dir SW SW SW S S S SW SW W W NW NW NW NW NW N N NW NE Wind spd 5 4 3 2 4 4 4 6 9 10 6 4 3 2 2 3 4 4 3 Clouds SC SC SC SC B1 B1 B2 B2 SC FW FW FW FW FW FW FW CL CL CL PoP 12hr 5 20 20 10 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S Tstms S S S Date Thu 08/14/25 Fri 08/15/25 Sat 08/16/25 Sun 08/17/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 82 67 88 70 89 69 85 Temp 64 62 79 79 70 68 84 85 74 71 85 84 73 71 82 80 Dewpt 61 60 67 68 67 67 73 74 72 70 74 74 71 70 72 72 PWind dir SE S S S S S S S Wind char LT GN GN GN GN GN LT GN Avg clouds CL FW FW FW FW SC SC FW FW SC SC FW SC B1 B1 SC PoP 12hr 5 10 10 10 20 20 30 30 Rain shwrs S S S S C C C Tstms S S S S S $$ IAZ048-112100- Ames-Story IA 41.99N 93.62W Elev. 936 ft 1002 AM CDT Mon Aug 11 2025 Date Mon 08/11/25 Tue 08/12/25 Wed 08/13/25 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 65 84 59 82 Temp 79 82 79 71 69 67 66 73 81 83 80 70 64 61 60 72 78 81 78 Dewpt 69 69 70 70 69 66 66 69 71 71 69 67 64 61 59 65 65 65 67 RH 72 65 74 97100 97100 87 72 67 69 90100100 96 79 64 58 69 Wind dir S W S S S SW SW SW W NW NW N N N N NE SE SE SE Wind spd 4 3 3 2 3 3 2 5 6 6 5 3 2 2 1 2 3 3 4 Clouds SC SC SC B1 B1 B2 B1 B1 FW FW FW FW FW FW FW FW CL CL CL PoP 12hr 10 30 10 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S Tstms S S Heat index 88 Max heat 87 87 90 84 Date Thu 08/14/25 Fri 08/15/25 Sat 08/16/25 Sun 08/17/25 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 85 68 90 71 90 70 87 Temp 65 63 81 80 72 70 85 86 76 72 86 85 75 71 83 82 Dewpt 63 62 69 71 70 68 75 76 73 71 75 75 72 70 74 74 PWind dir SE SE SE S S S SE S Wind char LT GN GN GN GN GN LT GN Avg clouds FW FW FW FW FW SC SC FW FW SC SC FW SC B1 SC SC PoP 12hr 5 5 10 10 10 10 30 30 Rain shwrs S C C S Tstms S S $$ IAZ004-112100- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 1002 AM CDT Mon Aug 11 2025 Date Mon 08/11/25 Tue 08/12/25 Wed 08/13/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 63 81 57 81 Temp 77 81 79 70 66 65 64 72 78 80 77 65 61 58 58 71 78 79 77 Dewpt 61 64 67 65 64 62 62 65 64 62 62 60 58 56 56 62 62 64 65 RH 58 56 67 84 93 90 93 79 62 54 60 84 90 93 93 73 58 60 67 Wind dir SW S S S SW SW SW NW NW NW N N W W SW S S S S Wind spd 4 5 5 6 9 9 8 10 10 10 5 3 2 2 2 3 6 6 8 Clouds SC SC SC SC FW SC SC FW CL CL CL FW CL FW FW CL FW FW FW PoP 12hr 0 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis K K K K K Date Thu 08/14/25 Fri 08/15/25 Sat 08/16/25 Sun 08/17/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 84 69 89 69 86 68 84 Temp 65 64 81 81 73 70 85 85 74 70 83 82 73 69 81 80 Dewpt 61 60 68 70 68 67 73 75 71 67 72 72 69 67 71 71 PWind dir S S S S S S SE SE Wind char GN BZ GN GN GN GN GN GN Avg clouds FW SC SC FW FW SC SC FW SC B1 SC SC SC B1 B1 SC PoP 12hr 20 10 30 10 30 20 40 30 Rain shwrs S S S C S C S S C C C S Tstms S S C S S S S S S S $$ IAZ035-112100- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 1002 AM CDT Mon Aug 11 2025 Date Mon 08/11/25 Tue 08/12/25 Wed 08/13/25 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 63 83 57 82 Temp 78 83 80 70 66 65 64 73 80 82 79 67 62 60 58 71 79 81 78 Dewpt 66 67 69 68 66 65 64 68 70 68 67 64 61 59 57 64 64 65 67 RH 67 59 69 93100100100 84 72 63 67 90 97 96 96 79 60 58 69 Wind dir S S S S S SW SW W NW NW N N N NW N SE S S SE Wind spd 3 3 3 3 5 5 5 6 8 8 5 3 2 2 2 2 3 5 5 Clouds SC SC SC SC SC B1 B1 SC FW FW FW FW FW FW FW FW CL CL CL PoP 12hr 10 10 5 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis K Date Thu 08/14/25 Fri 08/15/25 Sat 08/16/25 Sun 08/17/25 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 85 69 90 71 89 69 85 Temp 65 63 81 81 73 70 85 85 76 72 85 84 74 71 82 81 Dewpt 62 62 69 71 69 68 75 76 72 70 75 75 71 69 73 73 PWind dir SE S S S S S S S Wind char LT GN GN GN GN GN GN GN Avg clouds FW SC FW FW FW SC SC FW FW SC SC FW SC B1 SC SC PoP 12hr 10 10 20 10 20 10 40 30 Rain shwrs S S C C C S Tstms S S S S $$ IAZ094-112100- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 1002 AM CDT Mon Aug 11 2025 Date Mon 08/11/25 Tue 08/12/25 Wed 08/13/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 67 83 64 82 Temp 79 78 76 71 70 69 67 73 80 83 81 73 70 67 65 73 78 81 78 Dewpt 70 71 71 71 70 69 67 71 70 70 72 70 69 66 64 67 66 66 68 RH 74 79 85100100100100 93 72 65 74 90 97 97 97 81 67 60 71 Wind dir E SE S S S SW SW W W W NW N N NE NE E E E E Wind spd 5 4 3 2 3 4 3 4 5 4 3 3 2 2 2 2 3 3 2 Clouds B1 B2 B2 B1 B2 B2 B2 B2 SC SC FW FW SC SC FW FW FW FW FW PoP 12hr 40 50 20 10 10 QPF 12hr 0.10 0.05 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C S S Tstms C C C C C C S Date Thu 08/14/25 Fri 08/15/25 Sat 08/16/25 Sun 08/17/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 84 69 88 71 89 70 88 Temp 67 64 81 81 73 70 85 85 77 72 86 86 77 72 84 84 Dewpt 65 63 70 72 70 69 74 75 72 70 74 75 73 70 73 75 PWind dir SE SE SE S S S S S Wind char LT LT LT GN LT GN LT GN Avg clouds FW FW FW FW FW SC SC FW FW FW FW FW FW SC SC SC PoP 12hr 5 5 5 5 5 5 20 20 Rain shwrs S S S Tstms S S S $$ IAZ017-112100- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 1002 AM CDT Mon Aug 11 2025 Date Mon 08/11/25 Tue 08/12/25 Wed 08/13/25 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 81 62 80 55 80 Temp 77 80 79 69 66 64 64 73 78 80 76 65 60 58 57 70 77 79 76 Dewpt 65 66 68 66 64 63 63 68 69 67 64 62 58 56 56 62 63 63 64 RH 67 62 69 90 93 97 97 84 74 65 66 90 93 93 96 76 62 58 66 Wind dir W SW SW S S SW SW W NW NW NW NW NW NW NW NW NW S SE Wind spd 4 3 2 2 5 5 5 6 9 9 5 3 2 2 2 2 3 3 3 Clouds SC SC SC SC SC SC B1 SC SC FW CL CL FW CL FW CL CL CL CL PoP 12hr 5 5 10 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Thu 08/14/25 Fri 08/15/25 Sat 08/16/25 Sun 08/17/25 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 60 81 67 87 69 86 67 83 Temp 63 61 78 78 70 68 83 84 74 71 83 82 71 69 80 79 Dewpt 60 60 68 69 66 67 74 75 71 69 74 73 69 68 72 72 PWind dir SE S S S S S S S Wind char LT GN GN GN GN GN LT GN Avg clouds FW SC SC FW FW SC SC FW FW B1 SC SC SC B1 B1 SC PoP 12hr 10 10 20 10 20 20 40 40 Rain shwrs S S S S C C C C Tstms S S S S S $$ IAZ049-112100- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 1002 AM CDT Mon Aug 11 2025 Date Mon 08/11/25 Tue 08/12/25 Wed 08/13/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 65 82 58 80 Temp 80 81 79 70 69 67 67 72 80 82 78 68 64 60 59 70 77 79 77 Dewpt 69 69 70 69 68 66 66 69 70 70 69 66 62 58 57 64 63 63 65 RH 69 67 74 97 97 97 97 90 72 67 74 93 93 93 93 81 62 58 67 Wind dir SW SW SW S S SW SW SW W W NW N N N N N N NE SE Wind spd 5 3 2 2 3 4 4 5 6 6 5 3 2 2 2 2 3 3 2 Clouds SC SC SC B1 B2 B2 B2 B1 SC FW FW FW FW FW FW FW CL CL CL PoP 12hr 10 30 20 10 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S S S S Tstms S S S S S Date Thu 08/14/25 Fri 08/15/25 Sat 08/16/25 Sun 08/17/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 82 67 88 70 88 69 85 Temp 63 61 79 78 70 68 83 84 74 71 85 84 73 71 81 80 Dewpt 61 60 67 69 67 67 74 75 72 69 74 74 71 69 73 73 PWind dir SE S SE S S S S S Wind char LT GN GN GN GN GN LT GN Avg clouds CL FW FW FW FW SC SC FW FW SC SC FW SC SC SC SC PoP 12hr 5 10 10 10 10 10 30 30 Rain shwrs C C C C Tstms S S S $$ IAZ086-112100- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 1002 AM CDT Mon Aug 11 2025 Date Mon 08/11/25 Tue 08/12/25 Wed 08/13/25 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 68 84 63 81 Temp 81 82 79 72 70 69 69 73 80 84 82 73 70 67 64 72 78 80 78 Dewpt 70 72 72 71 70 69 69 72 71 72 72 72 69 66 64 66 65 65 67 RH 69 72 79 97100100100 97 74 67 72 97 97 97100 81 64 60 69 Wind dir S S S S S S SW W W W NW NW N N N NE N N NE Wind spd 6 5 3 3 4 5 4 5 5 5 4 3 3 3 2 2 3 3 2 Clouds B1 B1 B1 B1 B1 B2 B2 B1 B1 SC FW FW SC SC FW FW FW FW FW PoP 12hr 40 50 30 10 10 QPF 12hr 0.02 0.14 0.02 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C C S S Tstms S C C C C C C S S Heat index 89 87 Max heat 86 87 84 90 83 Date Thu 08/14/25 Fri 08/15/25 Sat 08/16/25 Sun 08/17/25 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 83 68 88 72 89 71 88 Temp 66 63 79 80 71 70 84 85 76 73 86 85 76 73 83 83 Dewpt 64 63 69 71 70 68 75 76 73 71 74 75 73 71 74 75 PWind dir E SE SE S S S S S Wind char LT LT LT GN LT GN LT LT Avg clouds FW FW FW FW FW FW SC SC FW FW FW FW FW SC SC SC PoP 12hr 5 10 5 10 5 10 20 30 Rain shwrs S C C Tstms S S $$