Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
645 FOUS53 KDMX 142158 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 458 PM CDT Mon Sep 14 2026 IAZ060-150900- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 458 PM CDT Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 Thu 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 68 71 61 74 66 Temp 77 75 72 70 69 68 67 70 66 63 63 62 62 63 66 72 72 70 69 68 67 Dewpt 67 71 72 70 69 66 63 63 62 61 59 59 59 62 65 69 69 70 69 68 67 RH 71 87100100100 93 87 78 87 93 87 90 90 97 97 90 90100100100100 Wind dir SE S SW SW NW N N N N NE NE NE E E E E E E E E NW Wind spd 17 16 12 8 4 5 6 5 3 4 4 5 6 8 8 6 5 4 3 2 2 Wind gust 27 27 Clouds B2 OV OV OV OV OV B2 B1 B2 B1 B1 OV B2 OV OV B2 B2 B2 B2 B2 B2 PoP 12hr 80 80 50 90 90 QPF 12hr 2.31 0.35 0.31 0.34 0.78 Snow 12hr 00-00 00-00 00-00 Rain shwrs L D D D L S C C D D C C L L D D L Tstms C C C S S S C S S S S C C S S Flood A A A A A A A A A A A A A A Tornado A A Date 09/17 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 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 82 68 85 70 82 65 75 60 72 Temp 78 75 69 69 82 80 73 70 78 76 68 65 72 71 63 60 69 68 Dewpt 73 74 69 68 74 74 70 67 71 70 67 64 66 66 63 59 63 63 PWind dir NE E S S SW NW N N N Wind char LT LT GN GN GN LT LT LT LT Avg clouds B2 B1 B1 B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 SC PoP 12hr 60 40 40 50 50 50 40 30 10 Rain shwrs L S C C C C C C C C C C C C Tstms S S C S C S S S S S S S S $$ IAZ039-150900- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 458 PM CDT Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 66 72 56 70 61 Temp 68 67 68 68 67 68 71 71 66 60 59 58 57 63 66 68 68 66 65 64 62 Dewpt 60 64 68 68 67 64 59 58 58 57 55 53 52 58 60 63 64 66 65 64 62 RH 76 90100100100 87 66 63 75 90 87 83 83 84 81 84 87100100100100 Wind dir SE S S SW W W NW NW N N NE NE E E E SE SE SE SE S NW Wind spd 19 19 16 10 5 8 9 8 4 3 4 5 6 9 9 9 6 4 2 3 2 Clouds B2 OV OV OV B2 OV B2 B1 B1 SC SC B1 B2 OV B2 OV B2 B2 B2 B2 B2 PoP 12hr 90 50 10 60 80 QPF 12hr 1.27 0.03 0.02 0.25 0.50 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L D D C S S S L L L L C C D D L Tstms C C C S S S S S C S S Flood A A A A A A A A A A A A A A Date 09/17 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 78 63 80 66 79 61 73 57 71 Temp 75 73 65 65 78 76 69 66 77 74 65 62 72 69 61 57 70 67 Dewpt 70 69 65 65 70 70 68 66 69 67 64 61 63 62 60 57 60 59 PWind dir NE E SE S SW NE NE NE NE Wind char LT LT GN GN GN LT GN LT GN Avg clouds B2 B2 B1 B1 B2 B1 SC SC B1 B1 B1 B1 B2 B1 B1 B1 B1 SC PoP 12hr 60 50 60 70 60 50 40 20 10 Rain shwrs L C C L C C L L C C C C C S S Tstms S C C S C S S S S S S $$ IAZ048-150900- Ames-Story IA 41.99N 93.62W Elev. 936 ft 458 PM CDT Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 Thu 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 66 72 59 72 64 Temp 73 71 70 68 67 66 69 72 66 61 60 60 59 62 66 70 70 68 68 66 65 Dewpt 65 71 70 68 67 64 60 60 60 59 57 56 56 60 64 67 67 68 68 66 65 RH 76100100100100 93 73 66 81 93 90 87 90 93 93 90 90100100100100 Wind dir SE S S SW NW NW NW N N NE NE NE E E E E E E E S NE Wind spd 16 14 10 5 3 5 6 5 3 3 3 5 6 8 8 6 4 3 2 2 1 Wind gust 28 Clouds B2 OV OV OV OV OV B2 B1 B1 SC B1 B2 OV OV OV OV B2 B2 B2 OV OV PoP 12hr 90 70 30 80 90 QPF 12hr 2.51 0.14 0.15 0.30 0.70 Snow 12hr 00-00 00-00 00-00 Rain shwrs C D D D L C C C D D C C C C D D L Tstms C L C C S S S S S S S C C S S Flood A A A A A A A A A A A A A A Date 09/17 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 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 66 83 68 81 63 74 59 72 Temp 77 74 68 67 80 78 71 68 78 75 66 63 72 69 62 59 69 67 Dewpt 73 72 68 67 73 73 70 68 71 70 66 63 66 65 62 59 63 62 PWind dir NE E S S SW N N N N Wind char LT LT GN GN GN LT LT LT LT Avg clouds B2 B2 B2 B1 B2 SC SC SC B1 B1 B1 B1 B1 B2 B1 B1 B1 B1 PoP 12hr 60 50 50 60 50 50 30 30 20 Rain shwrs L C C C C C L C C C C C C C S Tstms S S C S C C C S S S S S S $$ IAZ004-150900- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 458 PM CDT Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 57 70 50 69 58 Temp 67 67 65 60 57 61 69 70 65 56 53 52 51 61 65 67 66 63 63 61 59 Dewpt 63 67 63 56 53 52 54 56 56 53 52 50 50 56 59 61 62 63 63 61 59 RH 87100 93 87 86 72 59 61 73 90 96 93 96 84 81 81 87100100100100 Wind dir S S W W W NW NW NW N NE E E E E SE SE SE S S W N Wind spd 17 13 8 5 9 12 9 6 2 2 3 4 5 9 11 9 6 5 3 2 2 Wind gust 29 24 Clouds B2 B2 B1 B2 B1 FW CL FW FW FW FW SC B1 B1 B2 B2 B2 OV B2 B2 B2 PoP 12hr 60 0 0 40 40 QPF 12hr 0.23 0 0 0 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C C C C C C C C C S Tstms L C Date 09/17 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 61 78 63 74 58 70 53 68 Temp 71 69 63 63 74 75 67 64 71 70 62 58 67 66 58 54 65 65 Dewpt 67 67 63 63 70 71 67 64 67 66 61 58 62 62 57 54 60 60 PWind dir NE E S S NW N N NE N Wind char LT LT GN GN GN GN GN LT LT Avg clouds B2 B1 B1 B2 B2 B1 SC B1 B2 B1 B1 B1 B1 B1 SC SC B1 SC PoP 12hr 20 70 80 70 40 40 30 10 10 Rain shwrs S C L D C L L C C C C C C Tstms C C S C S S S $$ IAZ035-150900- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 458 PM CDT Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 Thu 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 63 71 54 71 61 Temp 70 69 68 66 63 65 69 71 65 57 56 55 55 62 65 69 69 66 65 64 62 Dewpt 66 69 68 64 63 58 57 58 58 56 55 53 53 59 61 65 66 66 65 64 62 RH 87100100 93100 78 66 63 78 96 96 93 93 90 87 87 90100100100100 Wind dir S S SW NW NW NW N N N NE NE E E E E SE SE SE SE S N Wind spd 18 13 6 4 3 8 6 4 2 2 2 4 5 8 8 6 4 3 1 1 1 Clouds B2 OV B2 OV OV B1 SC SC SC FW SC B1 B2 B2 B2 OV B2 B2 B2 OV OV PoP 12hr 80 20 10 70 60 QPF 12hr 1.17 0 0 0.18 0.42 Snow 12hr 00-00 00-00 00-00 Rain shwrs C D L L S L L C C S S L L C Tstms C C C S S S S S S S S Flood A A A A A A A A A A A A A A Date 09/17 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 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 63 81 66 79 60 72 56 70 Temp 75 71 66 65 77 77 69 66 75 73 64 61 69 67 60 56 67 66 Dewpt 71 71 66 65 73 74 69 66 70 69 64 61 65 65 60 56 62 62 PWind dir NE E S S W N N NE N Wind char LT LT GN GN LT LT LT LT LT Avg clouds B2 B2 B2 B2 OV SC SC SC B2 B1 B1 B1 B2 B1 SC B1 B1 SC PoP 12hr 50 70 60 70 50 40 30 20 10 Rain shwrs C C L L C L L C C C C C C S Tstms C S C C C S S S S $$ IAZ094-150900- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 458 PM CDT Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 72 62 78 67 Temp 79 77 74 71 69 70 68 68 65 64 64 63 64 65 71 76 76 72 72 69 67 Dewpt 69 71 71 71 69 69 67 66 64 63 62 63 63 65 70 74 74 72 72 69 67 RH 72 82 90100100 97 97 93 97 97 93100 97100 97 94 94100100100100 Wind dir S S SW S N N N N N NE NE NE E E E SE E E SE SW N Wind spd 14 14 11 6 4 8 8 8 6 5 6 8 8 6 6 5 3 4 3 3 3 Wind gust 27 26 21 Clouds SC B2 B2 OV B2 B2 OV OV OV B2 OV OV OV OV B2 B2 B1 B1 B1 B2 B2 PoP 12hr 70 70 80 80 60 QPF 12hr 0.80 0.50 0.85 0.18 0.20 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L L C L C C D D D D S S C C L L C Tstms S C C S S S C S S C C S S S C C C S S Flood A A A A A A A A A A A A A A Date 09/17 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 68 83 69 80 65 73 60 69 Temp 79 77 71 69 81 78 72 69 78 75 68 65 71 68 63 60 67 65 Dewpt 75 76 71 69 74 75 69 66 72 71 67 64 68 68 63 60 65 65 PWind dir SE SE S S SW S NW N N Wind char LT LT GN GN GN LT LT LT LT Avg clouds B2 SC SC SC SC FW SC SC SC SC SC B1 B2 B1 B1 B1 B1 B1 PoP 12hr 50 20 20 40 40 50 40 30 10 Rain shwrs C S S S C C C C C C C C S Tstms S S S S S S C S S S S S $$ IAZ017-150900- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 458 PM CDT Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 Thu 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 70 50 69 58 Temp 64 64 66 64 61 64 68 70 64 56 54 53 53 61 65 67 66 63 63 62 60 Dewpt 61 64 66 63 61 55 56 58 56 54 53 51 49 57 59 61 62 63 63 62 60 RH 90100100 97100 73 65 66 75 93 96 93 86 87 81 81 87100100100100 Wind dir S S SW W W NW NW NW N N NE E E E SE SE SE SE S S N Wind spd 18 17 10 5 5 11 10 6 2 1 2 3 5 9 9 8 5 4 2 1 1 Wind gust 29 Clouds OV OV OV OV OV B2 SC FW SC FW FW SC B1 B1 B2 B2 OV B2 OV OV B2 PoP 12hr 70 5 0 50 60 QPF 12hr 0.66 0 0 0.06 0.22 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C C C C C C C C L L C Tstms C C C S S S Date 09/17 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 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 60 78 64 76 58 69 54 68 Temp 73 69 63 63 74 74 67 64 73 71 63 59 68 66 57 54 66 63 Dewpt 68 67 63 63 69 70 67 64 68 66 62 59 63 62 57 54 60 59 PWind dir NE E SE S W NE NE NE NE Wind char LT LT GN GN GN LT GN LT LT Avg clouds B2 B2 B1 B2 OV B2 SC SC B2 B2 B1 B2 B2 B1 B1 B1 B1 SC PoP 12hr 40 60 70 80 60 40 30 20 20 Rain shwrs C C L L L L D L C C C C C S S S Tstms S C C C C S S S S $$ IAZ049-150900- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 458 PM CDT Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 65 72 57 72 62 Temp 70 68 68 68 67 67 68 71 65 59 59 58 58 61 65 70 70 66 66 65 63 Dewpt 62 68 68 68 67 65 60 60 59 57 56 54 54 59 62 65 66 66 66 65 63 RH 76100100100100 93 76 68 81 93 90 86 86 93 90 84 87100100100100 Wind dir SE S S SW W W NW N N N NE NE E E E E E E SE SE NE Wind spd 17 14 10 8 4 4 5 4 3 3 4 5 6 8 6 5 4 3 2 2 2 Clouds B1 OV OV OV OV OV B2 B1 B1 SC SC B2 B2 OV OV OV B2 B2 B2 B2 B2 PoP 12hr 90 70 30 80 90 QPF 12hr 2.00 0.11 0.12 0.28 0.80 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L D D L C C C D D L L C C D D L Tstms C C C C S S S S S S C C S Flood A A A A A A A A A A A A A A Date 09/17 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 80 64 82 66 80 61 74 57 72 Temp 76 74 67 65 78 77 69 67 78 75 65 62 71 70 61 57 69 67 Dewpt 71 71 67 65 72 72 69 66 70 68 65 62 64 63 61 57 61 60 PWind dir NE E S S SW NE N NE N Wind char LT LT GN GN GN LT LT LT LT Avg clouds B2 B2 B1 B1 B2 B1 SC SC SC B1 SC B1 B2 B2 B1 B1 B1 SC PoP 12hr 60 60 50 60 60 50 40 30 20 Rain shwrs L C L C C C L L C C C C C C S Tstms S C C C S C S S S S S S S S $$ IAZ086-150900- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 458 PM CDT Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 Thu 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 71 73 63 77 67 Temp 76 73 74 72 71 71 69 69 67 65 64 63 63 66 70 75 75 72 71 70 68 Dewpt 62 69 71 72 71 71 69 67 66 64 63 62 61 65 69 73 73 72 71 70 68 RH 62 87 90100100100100 93 97 97 97 97 93 97 97 94 94100100100100 Wind dir SE S S S S NW N NW N N NE NE E E E E E E SE SE W Wind spd 16 14 12 8 4 5 5 4 3 4 4 5 6 6 5 4 4 4 3 3 2 Wind gust 26 24 Clouds SC B2 B2 B2 OV B2 OV OV B2 B2 B2 OV OV OV B2 B1 B1 B1 B1 B2 B2 PoP 12hr 90 90 60 90 60 QPF 12hr 1.17 0.34 0.49 0.23 0.22 Snow 12hr 00-00 00-00 00-00 Rain shwrs C D D C C C S S L L D D C C S S L L C Tstms C C S S C S S S S S S S S S S C S S Date 09/17 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 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 84 68 85 70 83 66 76 61 73 Temp 80 77 71 69 82 81 72 70 80 78 69 66 73 73 64 61 71 69 Dewpt 76 77 71 69 75 76 71 68 73 73 69 66 69 69 64 61 65 65 PWind dir N E S S SW SW NW N N Wind char LT LT LT LT GN LT LT LT LT Avg clouds B2 SC SC SC B1 SC FW FW SC SC FW SC B2 B1 B1 B1 B1 B1 PoP 12hr 50 30 30 40 40 50 40 30 10 Rain shwrs C C C C S C C C C C C S C S Tstms S S S C S S S S S S S $$