Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
519 FOUS53 KDMX 122244 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 544 PM CDT Sat Sep 12 2026 IAZ060-130900- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 544 PM CDT Sat Sep 12 2026 Date 09/12/26 Sun 09/13/26 Mon 09/14/26 Tue CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 59 70 59 82 69 Temp 72 66 63 61 59 63 68 69 66 62 60 59 59 61 71 81 80 77 74 71 69 Dewpt 56 57 56 54 53 55 57 58 57 57 56 55 56 58 64 70 71 72 71 70 69 RH 57 73 78 78 80 75 68 68 73 84 87 87 90 90 79 69 74 85 90 97100 Wind dir NW N N N NE NE E E E E E E SE SE SE SE S S SW W W Wind spd 4 4 3 3 3 5 8 8 5 5 6 9 13 14 18 19 17 16 13 9 4 Wind gust 26 31 32 31 26 24 Clouds SC SC SC SC SC B1 B2 B2 OV B1 SC SC OV B2 B2 SC SC B1 B2 OV OV PoP 12hr 20 60 30 80 90 QPF 12hr 0 0.14 0.10 0.33 0.65 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L S S D D C C D D D Tstms S C C C C C S C Date 09/15 Wed 09/16/26 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 77 61 69 64 74 61 75 59 71 Temp 72 69 63 62 66 67 66 65 71 70 64 61 71 70 62 59 68 67 Dewpt 69 66 63 62 66 67 66 65 69 68 64 61 66 66 62 59 64 63 PWind dir N NE E NE NE E SE NE NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds OV B2 B2 B2 OV B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 SC B1 B1 PoP 12hr 90 80 90 80 60 50 50 40 20 Rain shwrs D D L D D L D D L S C C C C C C S S Tstms C S C C C C C C S S S S S $$ IAZ039-130900- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 544 PM CDT Sat Sep 12 2026 Date 09/12/26 Sun 09/13/26 Mon 09/14/26 Tue CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 53 70 52 75 64 Temp 71 64 59 57 53 63 68 69 65 57 54 53 52 61 66 73 72 70 69 67 66 Dewpt 51 52 50 48 48 51 51 50 52 52 51 49 48 52 56 59 61 66 68 67 66 RH 49 65 72 72 83 65 54 51 63 83 90 86 86 72 70 62 68 87 97100100 Wind dir NW NW N N N NE N NE NE E E E SE SE SE SE SE S S SW W Wind spd 5 4 4 4 3 4 5 4 3 3 3 5 10 14 19 21 19 19 17 11 6 Wind gust 29 36 31 Clouds FW FW FW FW B1 B1 B2 B1 SC FW FW FW B1 B2 B2 B2 B1 B2 B2 B2 B2 PoP 12hr 5 20 20 90 100 QPF 12hr 0 0 0 0.18 1.08 Snow 12hr 00-00 00-00 00-00 Rain shwrs S D D L L L L D D L Tstms S S C C C C S Date 09/15 Wed 09/16/26 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 76 56 67 60 72 56 73 56 71 Temp 73 69 59 56 63 65 63 61 71 68 59 57 71 69 59 56 69 67 Dewpt 64 60 57 56 62 64 63 61 64 63 59 57 61 61 59 56 59 58 PWind dir NW NE E E NE E SE SE NE Wind char LT LT GN LT GN LT LT LT GN Avg clouds B2 B2 B2 B2 OV B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 SC B1 SC PoP 12hr 60 50 70 80 40 50 50 40 20 Rain shwrs L C C C L L D D C S C C C C C C S S Tstms S S S S C C C C S S S $$ IAZ048-130900- Ames-Story IA 41.99N 93.62W Elev. 936 ft 544 PM CDT Sat Sep 12 2026 Date 09/12/26 Sun 09/13/26 Mon 09/14/26 Tue CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 56 71 56 80 66 Temp 71 63 60 58 56 64 68 70 65 59 58 57 57 60 68 78 77 73 71 69 68 Dewpt 54 54 52 51 50 53 53 55 55 56 55 54 54 57 62 68 70 72 71 69 68 RH 55 72 75 77 80 67 59 59 70 90 90 90 90 90 81 71 79 97100100100 Wind dir N N N N N NE NE E E E E E SE SE SE SE S S SW W W Wind spd 4 3 3 3 3 5 8 6 3 3 4 8 12 16 18 19 18 14 11 5 3 Wind gust 27 33 34 32 Clouds FW FW SC SC B1 B1 B2 B2 B1 SC B1 B1 B1 OV B2 B1 B1 B1 B2 OV OV PoP 12hr 10 40 30 90 100 QPF 12hr 0 0.03 0.06 0.37 0.82 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C D D C C D D D D D Tstms C C C C C C C C C Date 09/15 Wed 09/16/26 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 76 59 67 62 73 58 73 57 71 Temp 72 68 61 59 64 65 65 63 70 68 61 59 70 69 61 57 69 66 Dewpt 66 64 61 59 64 65 65 63 67 66 61 59 65 65 61 57 63 62 PWind dir NW NE E E NE E SE NE NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds OV B2 B2 B2 OV OV B2 B2 B2 B2 B1 B1 B2 B1 B1 B1 B1 B1 PoP 12hr 80 60 90 80 50 50 50 40 20 Rain shwrs D C C L D L D D C S C C C C C C S S Tstms C S S C C S C S S S S S $$ IAZ004-130900- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 544 PM CDT Sat Sep 12 2026 Date 09/12/26 Sun 09/13/26 Mon 09/14/26 Tue CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 50 69 52 73 58 Temp 68 59 54 52 51 60 65 69 65 56 53 52 53 58 63 71 71 68 65 61 58 Dewpt 48 48 45 45 45 48 48 48 50 49 48 48 49 54 59 65 68 68 65 61 57 RH 49 67 71 77 80 64 54 47 58 77 83 86 86 86 87 81 90100100100 96 Wind dir N N N N N NE E E E E SE SE SE SE SE S S SW W W NW Wind spd 5 4 3 3 3 4 4 3 3 4 5 9 17 23 25 21 19 14 9 6 6 Wind gust 27 35 42 37 32 Clouds CL SC FW FW B1 B2 B2 SC SC FW FW FW B1 OV OV B2 B2 B1 B1 B1 B1 PoP 12hr 20 30 30 100 90 QPF 12hr 0 0 0.01 0.59 0.58 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S D D D D D D C C Tstms C C C C C C S Date 09/15 Wed 09/16/26 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 71 51 65 56 69 53 71 52 70 Temp 68 65 54 51 62 62 58 56 66 65 56 54 68 67 56 53 68 67 Dewpt 53 55 51 51 58 62 58 56 61 61 56 54 60 61 56 53 58 59 PWind dir NW NE E NE NE E SE NE NE Wind char GN LT LT LT LT LT GN LT GN Avg clouds B1 SC SC SC B2 B2 B2 B2 B2 B1 SC B1 B1 B1 SC SC SC SC PoP 12hr 5 5 50 50 30 40 40 30 10 Rain shwrs C C C C C S S C C C S C S Tstms S S S C C $$ IAZ035-130900- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 544 PM CDT Sat Sep 12 2026 Date 09/12/26 Sun 09/13/26 Mon 09/14/26 Tue CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 52 72 54 79 64 Temp 70 61 57 55 53 62 68 71 67 58 55 54 55 59 66 77 75 71 69 66 65 Dewpt 50 50 48 48 47 50 50 51 52 53 52 51 52 56 61 68 71 71 69 66 65 RH 49 67 72 77 80 65 52 49 59 83 90 90 90 90 84 74 87100100100100 Wind dir NW N N NE NE NE NE E E E E SE SE SE SE SE S S W W NW Wind spd 4 2 2 2 2 4 5 3 2 3 3 8 13 17 23 19 18 16 8 4 3 Wind gust 29 33 31 29 Clouds FW FW SC SC B1 B2 B2 B1 SC FW SC B1 B2 OV B2 B1 B1 B2 B2 B2 B2 PoP 12hr 10 20 30 100 100 QPF 12hr 0 0.01 0.04 0.46 1.10 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S D D C C D D D D C Tstms C C C C C C C S S Date 09/15 Wed 09/16/26 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 55 65 59 70 56 72 55 71 Temp 71 67 56 55 62 64 62 60 67 66 59 57 69 67 58 55 68 66 Dewpt 59 59 56 55 62 63 62 60 65 65 59 57 63 64 58 55 61 62 PWind dir N NE E E NE E SE E NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds B2 B1 B1 B2 OV B2 B2 B2 OV B2 B1 B1 B2 B1 SC B1 B1 SC PoP 12hr 30 30 70 60 40 50 50 40 20 Rain shwrs C S C L L L L C S C C C C C C S Tstms S S C C S C C C S S $$ IAZ094-130900- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 544 PM CDT Sat Sep 12 2026 Date 09/12/26 Sun 09/13/26 Mon 09/14/26 Tue CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 61 69 59 83 69 Temp 72 67 65 63 61 63 66 67 65 63 62 62 60 63 75 82 81 77 75 72 70 Dewpt 58 60 59 58 58 61 62 62 60 60 58 58 58 62 69 73 73 72 71 70 69 RH 61 78 81 84 90 93 87 84 84 90 87 87 93 97 82 74 77 85 87 93 97 Wind dir N N N NE NE NE NE NE E E E E SE SE SE S S S S SW W Wind spd 5 4 4 4 4 6 9 10 8 8 8 10 12 14 18 20 17 14 13 10 5 Wind gust 23 26 28 33 29 26 24 20 Clouds B1 B1 B1 B1 B2 B2 B2 B2 B1 B2 B2 OV OV B2 SC FW FW SC B1 B2 B2 PoP 12hr 40 70 50 40 60 QPF 12hr 0.04 0.22 0.36 0.09 0.17 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C L C C C S S L L D Tstms S S S S C S S S C S S Heat index 88 86 Max heat 91 84 Date 09/15 Wed 09/16/26 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 79 62 73 65 74 60 73 58 69 Temp 77 70 66 63 70 71 68 66 72 70 65 62 71 69 63 58 67 65 Dewpt 72 69 66 63 70 71 68 66 71 70 65 62 68 68 63 58 65 65 PWind dir N NE E E NE E SE NE N Wind char LT LT LT LT LT LT LT LT LT Avg clouds B2 B2 B2 OV OV B2 B2 B2 B2 B2 B1 B1 B2 B1 B1 B1 B1 SC PoP 12hr 90 100 90 80 50 40 40 40 30 Rain shwrs D D D D D L D D C S C C C C C C C Tstms S C C C C C C C C S S S S $$ IAZ017-130900- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 544 PM CDT Sat Sep 12 2026 Date 09/12/26 Sun 09/13/26 Mon 09/14/26 Tue CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 51 69 50 73 61 Temp 68 60 56 53 52 60 66 69 64 55 52 51 52 59 62 70 69 67 67 65 63 Dewpt 49 48 46 45 46 49 48 47 48 49 48 48 47 51 57 61 64 67 67 65 63 RH 51 64 69 74 80 67 52 45 56 80 86 89 83 75 84 73 84100100100100 Wind dir NW NW N N N NE NE NW NE E E E SE SE SE SE SE S SW W W Wind spd 5 4 3 2 2 3 3 3 2 2 2 5 11 19 23 21 19 18 12 6 5 Wind gust 31 39 36 34 Clouds FW CL FW SC B1 B2 B2 SC SC CL FW FW SC B2 OV B2 B2 B2 B2 B2 B2 PoP 12hr 5 20 20 100 100 QPF 12hr 0 0 0.01 0.34 1.75 Snow 12hr 00-00 00-00 00-00 Rain shwrs D D D D D D D D S Tstms S C C C C C Date 09/15 Wed 09/16/26 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 72 52 64 56 68 53 70 53 69 Temp 69 65 55 53 62 62 60 58 66 64 57 55 68 66 57 53 68 65 Dewpt 58 57 54 53 60 62 60 58 63 62 57 55 60 61 57 53 59 58 PWind dir NW NE E E NE E SE S NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds B2 B1 B1 B1 OV B2 B2 B2 B2 B1 SC B1 B2 B1 SC B1 B1 SC PoP 12hr 20 20 60 50 40 40 50 30 20 Rain shwrs S S C L C C C S S C C C C C S Tstms S S S S S S S $$ IAZ049-130900- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 544 PM CDT Sat Sep 12 2026 Date 09/12/26 Sun 09/13/26 Mon 09/14/26 Tue CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 54 72 53 78 65 Temp 71 63 59 57 54 63 68 70 65 58 55 54 54 60 66 76 75 71 70 68 67 Dewpt 54 53 51 49 48 52 51 52 53 53 52 51 50 54 59 63 65 68 70 68 67 RH 55 70 75 75 80 67 54 53 65 83 90 90 86 81 78 64 71 90100100100 Wind dir N N N N N NE NE NE E E E E SE SE SE SE SE S SW W W Wind spd 5 3 3 4 3 5 5 4 3 3 3 5 10 14 18 20 19 16 12 8 4 Wind gust 28 33 32 Clouds FW FW FW SC SC B2 B2 B2 B1 SC FW SC B1 B2 B2 SC SC B1 B2 OV B2 PoP 12hr 10 40 20 90 90 QPF 12hr 0 0 0.02 0.25 0.81 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D D C C L L D D D Tstms S C S C C C C C Date 09/15 Wed 09/16/26 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 77 57 67 60 73 56 74 56 71 Temp 72 68 60 57 63 64 64 62 70 69 60 58 71 69 60 56 68 66 Dewpt 65 62 59 57 63 64 64 62 66 64 60 58 63 63 59 56 61 60 PWind dir NW NE E E NE E SE NE NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds OV B2 B2 B2 OV OV B2 B2 B2 B2 B1 B1 B1 B1 SC SC B1 B1 PoP 12hr 80 60 90 80 50 50 50 40 20 Rain shwrs D C C L D L D D C S C C C C C C S S Tstms C S C C C C C C S S S S $$ IAZ086-130900- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 544 PM CDT Sat Sep 12 2026 Date 09/12/26 Sun 09/13/26 Mon 09/14/26 Tue CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 71 58 80 70 Temp 75 68 65 62 60 65 68 69 66 61 61 60 59 63 70 79 78 75 74 72 71 Dewpt 59 60 59 57 56 58 59 60 60 59 57 55 55 59 64 69 71 71 72 72 71 RH 58 76 81 84 87 78 73 73 81 93 87 84 87 87 81 72 79 87 93100100 Wind dir N N N N N NE NE NE NE E E E SE SE SE SE SE S S SW SW Wind spd 6 4 3 3 3 5 6 6 4 4 5 8 11 13 17 18 14 14 13 12 6 Wind gust 25 28 29 26 25 25 24 Clouds SC SC SC SC B1 SC B1 B2 B2 B2 B1 B2 B2 B2 B1 FW FW SC SC B1 B2 PoP 12hr 10 50 40 60 60 QPF 12hr 0 0.14 0.08 0.36 0.25 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S C C L L D Tstms S S S Date 09/15 Wed 09/16/26 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 81 63 74 66 77 61 75 59 71 Temp 79 73 67 64 70 73 70 67 74 74 66 63 72 71 63 59 68 68 Dewpt 73 72 67 64 70 73 69 67 72 71 66 63 68 69 63 59 65 66 PWind dir NW NE E E NW NE SE NE N Wind char LT LT LT LT LT LT LT LT LT Avg clouds B2 B2 B2 B2 OV B2 B1 B2 B2 B2 B1 B1 B2 B1 SC B1 B1 B1 PoP 12hr 90 90 90 80 50 40 40 40 30 Rain shwrs D D D D D C L D C C C C C C C C C S Tstms S C C C S S C C S S S $$