Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
304 FOUS53 KDMX 011030 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 530 AM CDT Mon Sep 1 2025 IAZ060-012100- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 530 AM CDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 75 56 79 60 72 Temp 62 68 73 75 73 65 61 58 56 69 77 79 76 67 64 62 61 67 69 69 65 Dewpt 61 61 60 58 58 58 58 56 55 59 58 58 59 58 58 58 58 60 60 57 52 RH 97 78 64 55 59 78 90 93 96 70 52 49 56 73 81 87 90 78 73 66 63 Wind dir E SE SE SE SE E N N NW NW W W W SW SW SW W W NW NW N Wind spd 4 5 6 5 4 3 2 2 2 2 3 4 4 4 4 5 5 9 10 11 11 Clouds B2 B1 B1 B1 B1 SC SC FW SC CL SC SC FW FW SC SC B1 B1 B1 B1 SC PoP 12hr 20 5 5 20 50 QPF 12hr 0 0 0 0 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C C C Tstms S C C C S Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 46 69 52 70 46 72 49 76 Temp 54 47 64 66 58 54 66 65 53 47 68 68 54 50 71 71 Dewpt 47 43 43 45 48 48 48 45 46 43 44 45 47 46 48 50 PWind dir NW W SW NW NW NW E SE Wind char LT GN LT GN LT LT LT LT Avg clouds SC FW SC FW FW FW FW FW FW FW FW FW FW FW FW SC PoP 12hr 10 0 20 5 0 0 5 5 Rain shwrs S $$ IAZ039-012100- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 530 AM CDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 54 76 59 69 Temp 55 67 74 76 73 62 58 55 54 67 75 76 73 65 62 61 60 64 66 65 62 Dewpt 53 55 56 57 58 57 55 54 53 59 59 60 61 60 59 58 58 60 58 55 52 RH 93 65 53 52 59 84 90 96 96 75 58 58 66 84 90 90 93 87 75 70 70 Wind dir E SE E E E E E NE NE W SW SW SW SW SW SW W W NW NW NW Wind spd 4 4 5 5 3 2 2 1 1 2 4 5 5 4 5 5 6 10 12 13 13 Clouds SC FW SC SC FW FW FW SC SC SC SC SC SC SC B1 B2 B2 B2 B2 B1 SC PoP 12hr 0 5 5 30 60 QPF 12hr 0 0 0 0.01 0.23 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L C C Tstms S C S S C Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 43 64 48 65 43 67 44 70 Temp 50 45 60 61 53 51 62 60 49 45 64 62 49 46 67 65 Dewpt 46 42 44 45 46 47 48 46 44 42 47 47 46 44 49 52 PWind dir NW W SW NW NW NW N SE Wind char GN GN LT GN LT GN LT LT Avg clouds SC FW FW SC SC SC SC SC FW FW FW FW FW FW FW FW PoP 12hr 10 0 30 5 0 0 0 0 Rain shwrs C $$ IAZ048-012100- Ames-Story IA 41.99N 93.62W Elev. 936 ft 530 AM CDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 75 54 78 59 71 Temp 60 68 74 75 72 62 59 56 54 67 75 78 75 65 62 60 60 65 69 66 63 Dewpt 59 61 60 60 61 60 58 56 54 61 61 60 61 60 59 58 58 61 59 55 52 RH 96 78 62 60 68 93 96100100 81 62 54 62 84 90 93 93 87 70 68 67 Wind dir E SE SE E E NE NE N NW NW W SW SW SW SW W W NW NW NW N Wind spd 3 4 5 5 4 2 2 2 1 2 3 4 4 3 4 5 5 9 10 12 11 Clouds B1 B1 B1 B1 SC SC SC SC SC FW SC SC FW SC SC B1 B1 B1 B2 B1 SC PoP 12hr 10 5 5 30 50 QPF 12hr 0 0 0 0.01 0.10 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C Tstms S S C S C S Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 44 67 49 68 44 70 46 74 Temp 50 45 62 65 55 51 65 63 49 45 66 65 50 48 70 69 Dewpt 46 42 45 48 48 47 48 47 46 42 47 48 47 45 50 52 PWind dir NW W SW NW NW NW E SE Wind char LT GN LT GN LT LT LT LT Avg clouds SC SC SC FW FW FW FW FW FW FW FW FW FW SC SC FW PoP 12hr 10 0 30 0 0 0 5 5 Rain shwrs S C Tstms S $$ IAZ004-012100- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 530 AM CDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 56 76 56 66 Temp 59 66 71 73 71 62 59 57 57 65 72 76 73 64 61 59 58 60 61 64 60 Dewpt 59 62 63 62 62 61 59 57 57 61 61 62 62 60 59 58 56 56 52 49 46 RH 100 87 76 68 73 97100100100 87 68 62 68 87 93 96 93 87 72 58 60 Wind dir S SE SE SE S S SW SW W SW SW SW SW SW W NW NW N N N N Wind spd 3 5 5 5 4 3 3 4 4 5 9 9 6 8 8 8 9 13 16 18 13 Clouds B2 B2 B1 B1 B1 B1 B1 B2 B1 SC SC SC SC B2 SC B2 B2 B2 B1 SC FW PoP 12hr 20 20 20 60 40 QPF 12hr 0 0.03 0 0.20 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S S L L L L C C Tstms S S S S S S S C C S S S S Obvis F Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 42 66 47 64 42 67 44 70 Temp 46 42 59 62 52 50 60 60 47 44 62 63 47 46 66 67 Dewpt 41 38 42 46 46 44 46 44 42 40 45 48 44 42 49 52 PWind dir NW W W NW NW NW SE S Wind char GN GN GN BZ LT LT LT GN Avg clouds FW SC SC SC SC FW SC FW FW FW FW FW FW FW FW FW PoP 12hr 5 0 30 0 0 0 0 0 Rain shwrs C Tstms S $$ IAZ035-012100- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 530 AM CDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 76 54 78 57 69 Temp 60 68 74 76 73 62 58 56 55 66 74 77 74 65 61 60 59 63 66 66 62 Dewpt 60 62 61 61 62 60 58 56 55 62 61 61 61 61 59 59 58 59 56 52 49 RH 100 81 64 60 68 93100100100 87 64 58 64 87 93 96 96 87 70 61 62 Wind dir SE SE SE SE SE S S SW SW W SW SW SW SW SW W NW NW NW N N Wind spd 3 5 5 5 3 2 2 2 1 2 4 5 5 5 5 5 5 10 12 13 12 Clouds B2 B1 B1 B1 SC B1 SC B1 B1 SC SC SC SC SC B1 B2 B2 B2 B1 SC SC PoP 12hr 20 10 10 50 50 QPF 12hr 0.09 0 0 0.05 0.08 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C C S S Tstms S S C S C S S Obvis PF Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 42 68 48 67 42 69 46 73 Temp 48 43 62 65 54 51 64 61 48 43 65 64 49 47 68 68 Dewpt 43 40 43 48 47 46 47 46 43 41 46 48 45 44 49 52 PWind dir NW W W NW NW NW SE SE Wind char GN GN LT GN LT LT LT LT Avg clouds SC SC SC FW SC FW FW FW FW FW FW FW FW SC FW FW PoP 12hr 5 0 30 0 0 0 5 0 Rain shwrs C S Tstms S $$ IAZ094-012100- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 530 AM CDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 69 55 77 57 74 Temp 62 64 66 69 67 62 60 57 55 67 74 77 74 64 61 60 58 68 71 70 65 Dewpt 61 60 60 59 60 59 58 56 55 59 57 57 59 60 59 58 58 62 62 60 57 RH 97 87 81 70 78 90 93 96100 75 55 50 59 87 93 93100 81 73 71 75 Wind dir E SE SE E E NE N N N N N W W W SW SW SW W W NW N Wind spd 4 5 5 5 3 2 2 2 2 2 2 2 2 2 2 4 5 6 9 10 9 Clouds OV OV B2 B2 B1 B1 B1 SC FW CL FW FW FW CL FW SC SC SC B1 B1 B1 PoP 12hr 60 10 5 10 60 QPF 12hr 0.09 0 0 0 0.12 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L C S C C L L S Tstms S S S C C C S Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 46 68 51 71 45 72 49 75 Temp 53 47 64 65 56 54 68 65 51 46 67 66 53 51 71 70 Dewpt 49 44 44 48 48 48 49 48 46 43 45 48 47 46 48 52 PWind dir N NW SW NW NW NW E SE Wind char LT LT LT GN LT LT LT LT Avg clouds SC SC SC FW FW SC FW FW CL CL FW FW FW FW FW SC PoP 12hr 20 0 20 5 0 0 5 5 Rain shwrs S S Tstms S S $$ IAZ017-012100- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 530 AM CDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 75 54 75 56 66 Temp 57 66 73 74 72 61 57 56 55 67 72 74 72 64 61 60 59 60 63 64 60 Dewpt 55 58 59 59 60 57 55 54 55 62 62 62 62 60 59 58 58 57 54 52 48 RH 93 75 62 59 66 87 93 93100 84 71 66 71 87 93 93 96 90 72 65 64 Wind dir SE SE SE SE SE SE S SW SW SW W SW SW SW W W NW NW NW NW NW Wind spd 3 3 4 4 2 1 1 2 1 2 5 6 5 5 5 6 6 10 12 14 12 Clouds B1 B1 SC SC SC FW SC SC B1 SC B1 SC SC B1 B2 B2 B2 B2 B1 SC SC PoP 12hr 5 10 20 50 50 QPF 12hr 0 0 0.01 0.11 0.11 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C C C S S Tstms S S C C C S S Obvis PF Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 41 63 46 63 42 66 43 70 Temp 47 43 59 60 51 49 60 58 46 43 62 61 47 46 66 65 Dewpt 42 39 42 46 46 45 47 45 41 40 46 47 44 42 49 52 PWind dir NW W SW NW NW NW W S Wind char GN GN LT GN LT LT LT LT Avg clouds FW FW SC SC SC SC SC SC FW FW FW FW FW FW FW FW PoP 12hr 5 0 30 0 0 0 0 0 Rain shwrs C C $$ IAZ049-012100- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 530 AM CDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 54 77 58 69 Temp 56 66 73 75 72 62 58 55 54 67 75 77 73 63 61 60 59 65 68 66 62 Dewpt 54 58 58 58 59 57 55 54 52 59 59 59 61 58 58 57 57 60 59 55 52 RH 93 75 59 55 64 84 90 96 93 75 58 54 66 84 90 90 93 84 73 68 70 Wind dir E SE E E E E E NE N W W W W SW SW SW W W NW NW NW Wind spd 4 4 5 5 3 2 2 2 2 2 2 3 2 3 4 5 5 9 10 12 11 Clouds SC B1 SC SC FW SC FW SC SC FW SC SC FW FW SC B1 B2 B1 B2 B1 SC PoP 12hr 5 5 5 30 60 QPF 12hr 0 0 0 0.01 0.12 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L C C Tstms S S C S C S Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 42 65 47 66 42 67 44 71 Temp 49 44 61 62 53 50 64 60 48 44 64 62 49 46 67 65 Dewpt 46 40 44 47 46 45 48 47 44 41 46 48 45 44 49 52 PWind dir NW W SW NW NW NW NE SE Wind char GN GN LT GN LT LT LT LT Avg clouds SC FW SC FW FW SC FW FW FW FW FW FW CL FW FW FW PoP 12hr 10 0 30 5 0 0 0 5 Rain shwrs C $$ IAZ086-012100- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 530 AM CDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 78 54 80 59 74 Temp 58 69 75 77 74 63 60 57 55 70 77 80 77 65 62 60 60 70 71 71 65 Dewpt 56 58 56 55 57 57 56 55 54 57 55 54 57 57 57 58 58 61 61 60 57 RH 93 68 52 47 55 81 87 93 96 63 47 41 50 75 84 93 93 73 71 68 75 Wind dir E SE SE E E NE N N N N NW W W SW SW W W W W NW NW Wind spd 3 4 5 5 4 3 2 2 2 2 2 3 3 3 3 4 5 8 10 11 10 Clouds B2 SC B1 B1 SC SC FW SC FW FW SC FW FW FW FW SC SC B1 B1 B1 B1 PoP 12hr 5 5 5 10 60 QPF 12hr 0 0 0 0 0.20 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L C Tstms S C C Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 45 68 50 71 45 72 47 75 Temp 53 47 64 65 55 54 69 65 51 47 67 67 52 48 70 70 Dewpt 49 44 43 45 46 48 48 46 46 44 43 46 47 46 48 50 PWind dir NW NW SW NW NW NW E SE Wind char LT GN LT GN LT LT LT LT Avg clouds SC FW FW FW FW FW FW FW CL FW FW FW CL FW FW FW PoP 12hr 30 0 30 5 0 0 5 5 Rain shwrs C C Tstms S $$