Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
062 FOUS53 KDMX 160202 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 902 PM CDT Tue Sep 15 2026 IAZ060-160900- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 902 PM CDT Tue Sep 15 2026 Date 09/15/26 Wed 09/16/26 Thu 09/17/26 Fri 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 69 65 80 67 Temp 64 62 61 61 60 61 66 69 66 66 67 66 70 72 76 78 71 69 68 67 Dewpt 60 61 60 59 60 61 65 67 66 66 67 66 70 72 74 73 71 69 68 67 RH 87 97 97 93100100 97 93100100100100100100 94 85100100100100 Wind dir NE NE NE E E E E E E E E N N E E E E E E SE Wind spd 3 4 5 8 6 8 6 4 4 2 2 2 3 4 4 5 6 6 8 10 Clouds B2 OV B2 OV B2 OV B2 B2 B2 B2 B2 B2 B2 B2 B1 SC B1 B2 B2 B1 PoP 12hr 40 50 50 50 50 QPF 12hr 0.14 0.16 0.24 0.01 0.10 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C S S S S C C C S S C C C Tstms C S S S S S S S S S C C C Flood A A A A A Date 09/18 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 09/22/26 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 69 82 64 72 60 70 58 71 Temp 76 80 72 70 76 77 67 64 67 69 62 60 64 67 60 58 65 67 Dewpt 74 75 71 69 72 72 67 64 66 66 62 60 62 63 60 58 62 63 PWind dir S SW W N N N N NE NE Wind char GN GN GN LT GN LT LT LT LT Avg clouds SC SC SC B1 B2 B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC PoP 12hr 30 80 40 50 50 20 20 10 20 Rain shwrs C L D C S C C C C S S S S Tstms C C C S S S C $$ IAZ039-160900- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 902 PM CDT Tue Sep 15 2026 Date 09/15/26 Wed 09/16/26 Thu 09/17/26 Fri CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 56 69 61 77 62 Temp 62 60 58 56 59 63 66 68 63 64 63 62 67 71 75 74 67 65 64 62 Dewpt 57 57 55 54 58 59 61 63 63 64 63 62 67 68 68 68 67 65 64 62 RH 84 90 90 93 96 87 84 84100100100100100 90 79 82100100100100 Wind dir N NE NE NE E E E SE SE SE SE NE NE NE NE NE E E E E Wind spd 4 4 5 6 8 8 9 6 3 1 1 1 3 4 4 4 5 5 8 11 Clouds B2 B1 B2 B2 B1 B2 B1 B1 B2 B2 B2 B2 OV B2 B2 B2 B2 B2 B2 B2 PoP 12hr 10 20 50 30 50 QPF 12hr 0 0.03 0.18 0.01 0.21 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C D Tstms S C C C Date 09/18 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 09/22/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 78 65 79 61 71 56 68 54 69 Temp 70 73 68 66 75 74 65 61 67 68 60 57 64 65 56 54 65 65 Dewpt 68 70 68 66 70 68 64 61 63 62 60 57 59 59 56 54 58 59 PWind dir SE S W NE NE NE N N NE Wind char GN GN GN GN GN GN GN LT LT Avg clouds B2 B1 B1 B1 B2 B1 B1 B2 OV B2 B2 B2 B2 B1 B1 SC SC SC PoP 12hr 80 90 40 40 50 20 20 10 20 Rain shwrs D L D D C C C C C C S S S S S S Tstms C C C C S S S S $$ IAZ048-160900- Ames-Story IA 41.99N 93.62W Elev. 936 ft 902 PM CDT Tue Sep 15 2026 Date 09/15/26 Wed 09/16/26 Thu 09/17/26 Fri 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 69 63 78 65 Temp 62 60 59 59 60 62 65 68 65 65 65 65 68 72 75 76 69 68 67 66 Dewpt 59 58 57 57 59 61 64 65 65 65 65 65 68 72 72 71 69 68 67 66 RH 90 93 93 93 96 97 97 90100100100100100100 90 85100100100100 Wind dir N NE NE E E E E E E SE SE NE NE E E E E E E SE Wind spd 4 3 4 6 8 8 6 4 3 1 1 1 3 4 4 4 5 5 8 10 Clouds B1 B2 B2 B2 B2 OV B2 B2 B2 OV B2 OV OV OV B2 B2 B1 B2 OV B2 PoP 12hr 20 30 40 40 50 QPF 12hr 0.02 0.09 0.29 0.01 0.11 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C S S C C S S S S C C C Tstms S S S S S S C C C Date 09/18 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 09/22/26 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 67 80 63 71 58 69 56 70 Temp 75 78 70 68 76 75 66 63 67 68 62 59 64 65 58 57 65 65 Dewpt 73 74 70 68 72 71 66 63 65 65 62 59 61 62 58 57 61 62 PWind dir S SW W N NE N N NE NE Wind char GN GN GN LT GN LT LT LT LT Avg clouds B2 SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC PoP 12hr 50 80 30 50 40 20 20 10 20 Rain shwrs C C D D C S C C C S S S S S Tstms C C C C S S S C $$ IAZ004-160900- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 902 PM CDT Tue Sep 15 2026 Date 09/15/26 Wed 09/16/26 Thu 09/17/26 Fri CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 50 70 59 74 60 Temp 56 53 51 50 60 67 68 66 61 61 61 60 65 71 73 71 64 62 62 61 Dewpt 52 52 50 49 54 55 57 60 61 61 61 60 65 66 67 67 64 62 62 61 RH 86 96 96 96 81 65 68 81100100100100100 84 81 87100100100100 Wind dir NE NE NE E E SE SE SE SE S S N NE E E E E E E E Wind spd 4 3 3 4 9 11 9 6 5 3 2 1 3 5 5 5 6 8 11 14 Clouds B1 SC SC SC SC SC SC B1 B2 B2 B2 OV B2 B2 B2 B2 OV B2 OV OV PoP 12hr 5 20 30 30 80 QPF 12hr 0 0 0 0.01 0.70 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S C C C C D D D Tstms C C C Date 09/18 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 09/22/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 76 61 69 57 66 53 66 51 69 Temp 70 71 65 62 67 67 59 58 64 64 57 54 63 63 54 52 66 65 Dewpt 68 70 65 62 66 66 59 57 61 62 57 54 58 61 54 52 59 61 PWind dir SE NE N NE NE N N NE E Wind char BZ GN GN GN GN LT LT LT LT Avg clouds OV B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 SC SC B1 B1 PoP 12hr 80 70 10 30 20 20 20 10 20 Rain shwrs D L L C C S S S S S S S Tstms C C S $$ IAZ035-160900- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 902 PM CDT Tue Sep 15 2026 Date 09/15/26 Wed 09/16/26 Thu 09/17/26 Fri 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 55 71 61 77 63 Temp 58 56 55 55 60 64 67 69 63 63 63 63 67 72 75 73 67 65 65 64 Dewpt 56 55 54 53 57 58 62 63 63 63 63 63 67 70 71 71 67 65 65 64 RH 93 96 96 93 90 81 84 81100100100100100 93 87 93100100100100 Wind dir NE NE NE E E E SE SE SE SE S NE NE NE E NE E E E SE Wind spd 3 3 3 5 8 8 6 4 3 1 1 1 2 3 3 3 5 5 9 11 Clouds SC B1 B2 B2 B1 B1 B1 B2 OV B2 B2 OV OV B2 B2 B2 B2 B2 OV OV PoP 12hr 10 20 20 50 60 QPF 12hr 0 0.01 0.10 0.02 0.27 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C C L L L Tstms S S C C C C Date 09/18 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 09/22/26 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 65 75 60 68 56 68 53 69 Temp 74 76 68 65 70 70 62 61 65 65 59 56 64 63 56 54 64 64 Dewpt 72 74 68 65 70 69 62 61 64 64 59 56 60 61 56 54 60 62 PWind dir S SW NW N NE N N NE E Wind char GN GN LT LT LT LT LT LT LT Avg clouds B2 B1 B1 B2 B2 B2 B1 B2 OV B2 B2 B2 B2 B1 SC B1 B1 SC PoP 12hr 70 70 20 40 40 20 10 10 20 Rain shwrs L L L L S C C C S S S Tstms C C C S C $$ IAZ094-160900- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 902 PM CDT Tue Sep 15 2026 Date 09/15/26 Wed 09/16/26 Thu 09/17/26 Fri CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 61 74 66 81 67 Temp 66 64 63 62 64 67 70 73 69 69 69 68 72 77 79 78 72 71 69 67 Dewpt 62 63 63 62 64 67 70 70 69 69 69 68 72 75 76 76 72 71 69 67 RH 87 97100100100100100 90100100100100100 94 91 94100100100100 Wind dir NE NE E NE E E E E E E N N E SE SE E E E SE SE Wind spd 5 6 8 8 6 6 5 3 4 3 3 3 3 3 4 4 5 5 6 8 Clouds OV OV OV OV OV OV OV B2 B2 B2 OV B2 B2 B1 SC FW SC SC SC SC PoP 12hr 80 80 50 30 30 QPF 12hr 1.33 0.35 0.09 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C D L D C S C C C C C Tstms C C C C S S S S S S C Flood A A A A A Date 09/18 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 09/22/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 69 81 65 71 60 68 57 68 Temp 80 79 72 69 77 76 68 65 69 68 63 60 66 65 60 58 66 65 Dewpt 75 75 71 68 73 74 68 65 68 67 63 60 65 64 60 58 65 64 PWind dir S S SW N N N N NE NE Wind char GN GN GN LT LT LT LT LT LT Avg clouds SC FW SC B1 B2 B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 10 70 40 70 50 20 20 20 20 Rain shwrs S L C S L L C C S S S S S S S Tstms S C C C S $$ IAZ017-160900- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 902 PM CDT Tue Sep 15 2026 Date 09/15/26 Wed 09/16/26 Thu 09/17/26 Fri 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 58 73 59 Temp 57 54 52 51 59 67 68 65 60 60 60 61 65 71 73 70 64 63 61 60 Dewpt 54 53 51 51 56 56 59 60 60 60 60 61 65 67 67 67 64 63 61 60 RH 90 96 96100 90 68 73 84100100100100100 87 81 90100100100100 Wind dir N NE NE E E E SE SE SE SE S N NE NE E NE E E E E Wind spd 4 3 3 4 8 9 8 5 3 2 1 0 2 4 3 3 4 5 8 12 Clouds SC B1 B1 B1 SC B1 SC B1 B2 B2 B2 OV B2 OV B2 B2 B2 OV OV OV PoP 12hr 5 5 30 20 80 QPF 12hr 0 0 0.04 0.02 0.45 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S S C C D D D Tstms S C C Date 09/18 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 09/22/26 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 74 61 72 58 67 53 66 51 67 Temp 68 71 66 63 69 68 61 59 64 65 58 54 64 62 54 52 65 62 Dewpt 67 69 66 63 68 66 61 59 62 62 58 54 58 59 54 52 58 59 PWind dir SE S NW NE NE NE NE NE E Wind char GN GN GN LT GN LT LT LT LT Avg clouds OV B2 B2 B2 B2 B2 B2 B2 OV B2 B2 B2 B2 B1 SC B1 B1 SC PoP 12hr 90 90 40 40 40 30 20 10 20 Rain shwrs D D D L C C C C C C S C S S Tstms C C C S C $$ IAZ049-160900- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 902 PM CDT Tue Sep 15 2026 Date 09/15/26 Wed 09/16/26 Thu 09/17/26 Fri CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 57 69 61 78 63 Temp 61 59 58 57 59 61 65 68 63 63 63 62 68 70 74 76 68 66 65 63 Dewpt 59 58 56 55 58 60 63 64 63 63 63 62 68 70 70 70 68 66 65 63 RH 93 96 93 93 96 97 93 87100100100100100100 87 82100100100100 Wind dir N NE NE E E E E E E SE SE NE NE NE NE NE E E E E Wind spd 5 4 5 6 6 6 6 4 3 2 1 1 2 2 3 4 4 5 6 9 Clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 OV OV OV B2 B1 B1 B2 B2 B2 PoP 12hr 30 20 40 40 50 QPF 12hr 0.02 0.09 0.32 0.01 0.18 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S C C S S S S C C L Tstms S S S S S S S C C C Date 09/18 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 09/22/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 81 66 81 61 72 56 69 54 70 Temp 72 76 69 67 75 74 65 62 67 67 60 57 63 65 56 55 63 64 Dewpt 70 72 69 67 70 69 65 62 63 63 60 57 59 60 56 55 59 60 PWind dir SE S W NE NE NE N NE NE Wind char GN GN GN LT LT LT LT LT LT Avg clouds B2 SC SC B1 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B1 SC SC SC PoP 12hr 60 80 40 50 50 20 20 10 20 Rain shwrs L C L D C C C C C C S S S S S S Tstms C C C C S S S C $$ IAZ086-160900- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 902 PM CDT Tue Sep 15 2026 Date 09/15/26 Wed 09/16/26 Thu 09/17/26 Fri 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 62 72 66 82 67 Temp 67 65 63 62 63 65 68 72 69 68 68 67 73 75 77 80 72 70 69 68 Dewpt 62 63 62 62 63 65 68 69 69 68 68 67 73 75 76 77 72 70 69 68 RH 84 93 97100100100100 90100100100100100100 97 91100100100100 Wind dir N NE E E E E E E E E N NW N NE N NE E E E SE Wind spd 5 4 6 6 6 5 4 3 4 3 3 1 2 2 2 4 5 5 6 8 Clouds OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B1 SC SC B1 B1 B2 PoP 12hr 60 80 70 40 40 QPF 12hr 0.56 0.25 0.67 0.08 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S L L L C C S C L C C S S C C C Tstms C S C C S S C S S S S S C S Date 09/18 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 09/22/26 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 70 84 66 74 61 71 58 72 Temp 76 79 72 70 78 79 69 66 70 71 64 61 66 68 61 58 66 68 Dewpt 75 77 72 70 75 76 69 66 69 69 64 61 65 66 61 58 64 65 PWind dir S S SW N NW N NW N NE Wind char GN GN GN LT LT LT LT LT LT Avg clouds B1 FW FW B1 B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC B1 PoP 12hr 40 60 50 60 60 30 30 10 20 Rain shwrs C S L C S L C L C C S C S S S Tstms S S C S S C S $$