Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
648 FOUS53 KDMX 131147 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 647 AM CDT Tue Oct 13 2026 IAZ060-132100- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 647 AM CDT Tue Oct 13 2026 Date Tue 10/13/26 Wed 10/14/26 Thu 10/15/26 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 73 57 67 56 64 Temp 56 63 70 73 70 64 62 59 57 60 64 66 65 61 61 59 57 61 62 62 59 Dewpt 52 55 56 58 58 56 55 53 51 51 52 52 52 55 56 57 57 58 58 56 53 RH 86 75 61 59 66 75 78 80 80 72 65 61 63 81 84 93100 90 87 81 80 Wind dir NW N N N N N N N N N NE NE NE NE NE E E E NE N N Wind spd 5 4 3 3 5 6 6 8 9 9 9 9 6 6 5 6 8 8 8 11 12 Clouds B1 SC FW B1 B2 B2 B2 B2 B1 B1 B2 B2 OV OV B2 OV OV OV OV OV OV PoP 12hr 10 50 5 50 90 QPF 12hr 0 0.21 0 0.24 0.47 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C C C D D D D Tstms S C Date Fri 10/16/26 Sat 10/17/26 Sun 10/18/26 Mon 10/19/26 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 47 58 36 61 44 67 50 70 Temp 54 47 55 52 41 36 58 55 48 45 64 63 55 52 67 65 Dewpt 46 39 38 36 36 33 36 39 41 40 45 47 49 49 52 52 PWind dir NW N NW S S S S S Wind char GN BZ LT LT GN GN LT LT Avg clouds B2 SC SC FW CL CL CL CL CL CL FW FW SC SC SC SC PoP 12hr 10 0 0 0 0 5 20 10 Rain shwrs S $$ IAZ039-132100- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 647 AM CDT Tue Oct 13 2026 Date Tue 10/13/26 Wed 10/14/26 Thu 10/15/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 71 54 66 52 62 Temp 59 62 69 71 68 62 59 57 54 59 64 66 63 58 56 55 53 57 60 61 58 Dewpt 54 54 53 53 54 53 52 51 50 51 50 49 50 52 52 53 53 55 54 53 52 RH 83 75 57 53 61 72 78 80 86 75 60 54 62 80 86 93100 93 81 75 80 Wind dir NW NW NW NW N N N N N N N NE NE NE NE E E E NE N N Wind spd 9 5 5 4 5 8 6 8 9 10 9 9 6 6 5 6 9 8 6 10 10 Clouds B1 B2 FW FW B1 B2 B2 B1 SC SC SC B1 B2 B2 B2 OV OV OV OV OV OV PoP 12hr 5 20 0 30 80 QPF 12hr 0 0.02 0 0.02 0.41 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C D D D D Date Fri 10/16/26 Sat 10/17/26 Sun 10/18/26 Mon 10/19/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 45 57 34 60 42 66 47 68 Temp 50 45 54 51 39 34 56 54 46 43 63 62 52 49 66 63 Dewpt 44 40 37 34 33 31 33 37 39 40 42 45 48 48 50 50 PWind dir NW NW NW S S S S S Wind char BZ BZ LT GN GN BZ LT LT Avg clouds B2 SC SC FW CL CL CL CL CL CL FW FW SC SC SC SC PoP 12hr 10 0 0 0 0 0 20 20 Rain shwrs S S $$ IAZ048-132100- Ames-Story IA 41.99N 93.62W Elev. 936 ft 647 AM CDT Tue Oct 13 2026 Date Tue 10/13/26 Wed 10/14/26 Thu 10/15/26 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 71 54 67 54 63 Temp 56 61 68 71 68 62 59 56 54 59 64 66 64 59 59 57 55 60 61 60 58 Dewpt 52 53 53 55 55 53 52 50 49 51 50 50 51 53 54 56 55 58 57 54 52 RH 86 75 59 57 63 72 78 80 83 75 60 56 63 80 83 96100 93 87 81 80 Wind dir N N N N N N N N N N NE NE NE NE NE E E E NE N N Wind spd 8 5 3 3 5 6 6 9 9 10 9 8 5 5 4 5 6 6 6 10 10 Clouds B2 B1 FW B1 B2 B2 B2 B2 SC B1 B1 B2 B2 B2 OV OV OV OV OV OV OV PoP 12hr 10 20 0 50 90 QPF 12hr 0 0.02 0 0.11 0.44 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C D D D D Tstms S Date Fri 10/16/26 Sat 10/17/26 Sun 10/18/26 Mon 10/19/26 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 45 58 35 61 43 67 49 69 Temp 52 45 55 51 40 35 57 55 47 44 64 62 54 50 67 64 Dewpt 44 39 37 35 35 33 36 38 41 40 44 47 49 49 51 52 PWind dir NW N NW S S S S S Wind char GN BZ LT LT GN GN LT LT Avg clouds B1 FW FW FW CL CL CL CL CL CL FW SC SC B1 SC SC PoP 12hr 10 0 0 0 0 5 20 10 Rain shwrs S S $$ IAZ004-132100- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 647 AM CDT Tue Oct 13 2026 Date Tue 10/13/26 Wed 10/14/26 Thu 10/15/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 62 43 61 45 58 Temp 50 54 60 62 59 52 49 45 44 52 57 60 58 51 50 48 46 53 55 57 55 Dewpt 45 45 45 44 44 44 43 42 42 44 42 41 42 43 43 45 46 48 47 44 44 RH 83 71 58 52 57 74 80 89 93 74 57 49 55 74 77 89100 83 74 62 66 Wind dir N N N N N N N N N N N NE NE NE NE NE NE N N N NW Wind spd 8 9 8 6 8 9 9 9 8 10 9 9 5 5 4 4 5 5 9 10 10 Clouds B2 B2 SC SC SC SC FW FW SC SC SC B2 B2 B2 B2 B2 B2 B2 OV B2 B1 PoP 12hr 5 10 0 30 80 QPF 12hr 0 0 0 0 0.32 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L D D Date Fri 10/16/26 Sat 10/17/26 Sun 10/18/26 Mon 10/19/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 40 55 33 60 42 67 45 68 Temp 46 40 52 49 37 34 57 56 48 44 64 62 52 46 65 63 Dewpt 35 34 32 30 29 29 32 34 36 37 41 44 45 44 46 47 PWind dir NW N W S S SW SW S Wind char BZ BZ LT BZ BZ BZ LT LT Avg clouds SC FW SC CL CL CL CL CL CL CL FW FW SC SC SC SC PoP 12hr 5 0 0 0 0 0 5 10 $$ IAZ035-132100- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 647 AM CDT Tue Oct 13 2026 Date Tue 10/13/26 Wed 10/14/26 Thu 10/15/26 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 67 48 65 51 62 Temp 53 57 64 67 64 57 54 50 48 56 61 64 62 56 55 53 52 58 59 59 57 Dewpt 50 49 49 49 50 48 47 45 45 47 46 45 47 48 50 51 52 55 53 50 49 RH 89 75 58 52 60 72 77 83 89 72 58 50 58 74 83 93100 90 80 72 75 Wind dir NW N N N N N N N N N N NE NE NE NE NE NE NE N N NW Wind spd 4 6 4 4 4 8 8 8 8 9 9 8 5 4 3 4 5 5 6 9 9 Clouds B2 B2 SC SC B1 B1 B1 SC SC SC SC B2 OV B2 OV OV OV OV OV OV B2 PoP 12hr 5 5 0 40 80 QPF 12hr 0 0 0 0.07 0.43 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D D D D Date Fri 10/16/26 Sat 10/17/26 Sun 10/18/26 Mon 10/19/26 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 42 57 33 61 42 67 47 69 Temp 48 42 53 50 38 34 57 55 46 44 63 62 52 48 66 63 Dewpt 40 37 35 33 32 31 34 37 40 39 42 46 49 47 50 51 PWind dir NW N W S S S S S Wind char GN GN LT GN GN GN LT LT Avg clouds B1 FW FW FW CL CL CL CL CL CL FW FW SC SC SC SC PoP 12hr 10 0 0 0 0 5 10 10 $$ IAZ094-132100- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 647 AM CDT Tue Oct 13 2026 Date Tue 10/13/26 Wed 10/14/26 Thu 10/15/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 58 66 58 67 Temp 58 65 75 78 73 66 63 61 59 61 64 65 64 61 62 60 59 63 65 65 61 Dewpt 55 58 62 67 66 63 61 59 56 55 55 56 57 58 60 60 59 62 62 59 54 RH 90 78 64 69 79 90 93 93 90 81 73 73 78 90 93100100 97 90 81 78 Wind dir N NE NE SW N N N N N N NE NE NE NE E E E E NE N N Wind spd 5 4 3 3 6 6 8 8 10 10 10 9 8 6 5 6 8 8 9 11 14 Clouds FW FW SC B1 OV OV OV OV OV OV B2 OV OV OV OV OV OV OV B2 OV OV PoP 12hr 30 90 40 70 100 QPF 12hr 0.02 0.91 0.08 0.42 0.50 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C D L L C C S S L L D D L L Tstms S S C C C S S S S S S Date Fri 10/16/26 Sat 10/17/26 Sun 10/18/26 Mon 10/19/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 47 57 35 61 42 67 50 70 Temp 55 47 54 51 41 36 58 54 47 44 65 62 55 52 68 65 Dewpt 48 38 39 37 36 33 38 39 40 39 45 47 49 48 53 53 PWind dir N N N S S S S S Wind char GN BZ LT LT LT GN LT LT Avg clouds B2 SC SC FW FW CL FW FW FW CL FW FW SC B1 B1 SC PoP 12hr 10 0 0 0 0 0 20 10 Rain shwrs S $$ IAZ017-132100- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 647 AM CDT Tue Oct 13 2026 Date Tue 10/13/26 Wed 10/14/26 Thu 10/15/26 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 66 46 64 47 60 Temp 53 57 64 66 63 55 53 50 47 55 61 63 60 53 53 51 48 56 58 58 55 Dewpt 48 48 48 47 48 47 46 45 45 46 44 43 44 45 45 47 48 52 50 48 47 RH 83 72 56 50 58 74 77 83 93 72 53 48 55 74 74 86100 86 75 69 74 Wind dir NW NW NW NW N N N N N N N NE NE NE NE E E E N N NW Wind spd 6 8 5 5 5 6 6 8 8 9 9 8 5 4 3 3 4 4 4 8 8 Clouds B2 B2 SC SC B1 SC SC SC SC SC SC B2 B2 B1 B2 OV OV B2 OV B2 B2 PoP 12hr 0 10 0 30 80 QPF 12hr 0 0 0 0 0.39 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L D D Date Fri 10/16/26 Sat 10/17/26 Sun 10/18/26 Mon 10/19/26 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 39 56 31 60 40 66 44 68 Temp 48 40 53 49 38 32 57 54 47 43 63 61 52 46 66 62 Dewpt 38 36 33 30 30 28 31 34 37 36 40 43 45 45 47 47 PWind dir NW NW W S S S S S Wind char GN BZ LT GN GN GN LT LT Avg clouds SC SC SC FW CL CL CL CL CL CL FW FW SC SC SC SC PoP 12hr 10 0 0 0 0 5 10 10 $$ IAZ049-132100- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 647 AM CDT Tue Oct 13 2026 Date Tue 10/13/26 Wed 10/14/26 Thu 10/15/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 72 54 67 52 62 Temp 58 62 69 72 68 62 59 57 54 60 64 66 63 58 57 56 53 59 60 61 58 Dewpt 54 53 53 54 55 53 53 51 49 50 50 50 51 52 53 55 53 55 55 53 52 RH 86 72 57 53 63 72 80 80 83 69 60 56 65 80 86 96100 87 84 75 80 Wind dir NW N NW NW N N N N N N N NE NE NE NE E E E NE N N Wind spd 9 5 3 2 4 6 6 8 9 10 9 9 6 5 5 5 6 6 5 9 10 Clouds B2 B1 FW SC B2 OV B2 B2 B1 B1 B1 B2 B2 B2 B2 OV OV OV OV OV OV PoP 12hr 10 30 0 40 80 QPF 12hr 0 0.02 0 0.07 0.38 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C D D D D Tstms S Date Fri 10/16/26 Sat 10/17/26 Sun 10/18/26 Mon 10/19/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 44 57 32 60 40 66 47 68 Temp 51 44 54 51 39 33 56 54 46 42 62 62 52 49 66 63 Dewpt 44 38 36 34 34 31 34 37 40 38 43 45 48 47 50 50 PWind dir NW NW N S S S S S Wind char GN BZ LT LT GN GN LT LT Avg clouds B2 FW SC FW CL CL CL CL CL CL FW SC SC SC SC SC PoP 12hr 10 0 0 0 0 0 20 20 Rain shwrs S S $$ IAZ086-132100- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 647 AM CDT Tue Oct 13 2026 Date Tue 10/13/26 Wed 10/14/26 Thu 10/15/26 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 61 69 57 67 Temp 60 67 75 79 75 67 64 63 62 63 66 68 66 62 61 60 58 62 64 65 62 Dewpt 56 59 61 65 66 64 63 61 59 58 57 57 57 60 61 60 58 61 61 61 56 RH 87 75 62 62 74 90 97 93 90 84 73 68 73 93100100100 97 90 87 81 Wind dir NW NW SW W N N N N N N NE NE NE NE E E E E E N N Wind spd 6 2 1 2 5 6 5 6 8 9 8 8 5 5 5 6 8 8 6 8 10 Clouds FW FW FW SC B2 B2 OV OV OV B2 B2 B2 OV OV B2 OV OV OV B2 B2 OV PoP 12hr 30 90 30 70 90 QPF 12hr 0.01 0.67 0.05 0.33 0.43 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C L L C S S S L L D D D D S Tstms S S C C C Date Fri 10/16/26 Sat 10/17/26 Sun 10/18/26 Mon 10/19/26 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 47 59 36 62 42 68 50 71 Temp 55 47 56 53 41 37 58 54 46 43 64 63 54 52 68 65 Dewpt 51 42 40 38 38 35 37 39 40 40 44 45 49 49 52 52 PWind dir NW NW N S S S S S Wind char GN BZ LT LT LT GN LT LT Avg clouds B2 SC SC FW CL CL CL CL CL CL FW FW SC B1 B1 SC PoP 12hr 20 0 0 0 0 0 20 20 Rain shwrs S S S $$