Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
163 FOUS53 KDMX 120622 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 122 AM CDT Sat Sep 12 2026 IAZ060-130900- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 122 AM CDT Sat Sep 12 2026 Date 09/11/26 Sat 09/12/26 Sun 09/13/26 Mon 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 79 60 70 57 Temp 68 66 70 75 78 73 66 63 61 60 63 66 68 65 61 60 59 59 Dewpt 64 63 63 61 61 59 57 55 53 52 55 58 59 57 57 57 57 57 RH 87 90 78 62 56 62 73 75 75 75 75 75 73 75 87 90 93 93 Wind dir S W N N N N N N NE N NE NE E E E E E E Wind spd 5 4 11 10 9 4 3 3 2 3 6 9 9 6 6 6 10 13 Wind gust 24 Clouds B1 SC SC FW B1 SC FW SC SC B1 B2 B2 B2 B1 SC SC B1 B2 PoP 12hr 40 20 30 60 40 QPF 12hr 0.02 0 0 0.22 0.23 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C S S C C L Tstms S C S S C Date 09/14 Tue 09/15/26 Wed 09/16/26 Thu 09/17/26 Fri 09/18/26 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 75 61 74 63 75 60 76 Temp 70 78 73 68 71 69 64 63 69 71 66 64 70 70 63 60 72 70 Dewpt 65 71 71 68 68 66 64 63 68 69 66 63 66 65 62 59 65 65 PWind dir SE SW N NE E N NE E SE Wind char BZ GN LT LT LT LT LT LT LT Avg clouds B2 B1 B1 B2 B2 B2 B2 B2 OV B2 B2 B2 B2 B2 B1 SC B1 SC PoP 12hr 60 90 80 80 90 60 40 30 30 Rain shwrs L S C D D L L D D L L L C S S C C C Tstms C S C C S C C C C C C S S S S S S S $$ IAZ039-130900- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 122 AM CDT Sat Sep 12 2026 Date 09/11/26 Sat 09/12/26 Sun 09/13/26 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 64 77 54 68 51 Temp 66 64 71 76 77 71 63 59 56 54 63 66 66 64 56 54 53 53 Dewpt 63 61 63 57 53 53 51 49 48 47 51 52 51 52 52 51 50 49 RH 90 90 76 52 43 53 65 69 74 77 65 61 58 65 86 90 89 86 Wind dir S SW N N NW N NW N N N NE NE NE NE E E E E Wind spd 6 6 13 12 11 5 4 3 3 3 4 6 6 4 3 4 6 12 Clouds B2 SC SC FW SC FW FW FW CL SC B2 B2 B1 FW FW SC SC B1 PoP 12hr 20 5 10 50 20 QPF 12hr 0 0 0 0.06 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S D Date 09/14 Tue 09/15/26 Wed 09/16/26 Thu 09/17/26 Fri 09/18/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 73 63 73 56 70 58 73 55 74 Temp 64 70 68 65 71 68 61 58 67 68 63 60 71 68 60 56 72 69 Dewpt 57 63 68 65 63 60 59 57 62 63 63 59 61 60 59 56 61 60 PWind dir SE S NW NE E N NE E SE Wind char BZ GN LT LT GN LT GN LT LT Avg clouds B2 B2 B2 B2 B2 B2 B2 B1 OV B2 B2 B2 B2 B1 SC SC B1 SC PoP 12hr 90 100 60 50 70 60 30 30 30 Rain shwrs D L D D L C C C L L L C C S S C C C Tstms S S C C S S S S S S S S C $$ IAZ048-130900- Ames-Story IA 41.99N 93.62W Elev. 936 ft 122 AM CDT Sat Sep 12 2026 Date 09/11/26 Sat 09/12/26 Sun 09/13/26 Mon 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 64 78 57 70 55 Temp 66 64 69 75 78 72 64 61 59 57 63 66 68 64 58 57 57 57 Dewpt 63 62 60 57 55 55 54 52 50 50 53 55 55 55 56 55 55 55 RH 90 93 73 54 45 55 70 72 72 77 70 68 63 73 93 93 93 93 Wind dir SW W N N N N N N N NE NE NE E E E E E E Wind spd 5 5 12 10 8 4 3 2 3 3 6 9 8 5 4 5 9 13 Clouds SC SC SC FW B1 FW FW SC SC B1 B2 B2 B1 SC SC SC B1 B2 PoP 12hr 20 5 20 50 40 QPF 12hr 0 0 0 0.10 0.11 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C L Tstms S S S C Date 09/14 Tue 09/15/26 Wed 09/16/26 Thu 09/17/26 Fri 09/18/26 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 65 74 59 71 60 74 57 76 Temp 67 74 70 67 71 68 62 61 67 68 65 62 71 68 61 58 72 70 Dewpt 64 70 70 67 65 63 62 60 66 67 65 62 64 64 61 58 64 64 PWind dir SE S N NE E N NE E SE Wind char BZ GN LT LT LT LT LT LT LT Avg clouds B2 B1 B2 B2 OV B2 B2 B2 OV OV B2 B2 B2 B2 B1 B1 B1 SC PoP 12hr 70 100 70 60 80 50 30 40 30 Rain shwrs L C D D L C C L D L C C C S S C C S Tstms C S C C S S C C C S C S S S S S $$ IAZ004-130900- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 122 AM CDT Sat Sep 12 2026 Date 09/11/26 Sat 09/12/26 Sun 09/13/26 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 73 52 66 51 Temp 65 58 63 68 73 69 59 55 53 52 58 61 65 64 55 53 52 53 Dewpt 57 50 50 49 49 50 47 46 44 44 48 50 50 52 50 49 49 49 RH 75 75 62 51 43 51 64 72 71 74 69 67 58 65 83 86 89 86 Wind dir NW N N N NW N N N N N NE E NE E E E SE SE Wind spd 11 13 14 12 9 4 3 2 3 4 5 5 4 4 4 6 10 17 Wind gust 27 Clouds FW FW SC SC FW FW SC FW FW B2 B1 B2 B1 SC FW SC SC B2 PoP 12hr 0 0 20 40 30 QPF 12hr 0 0 0 0.02 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C D Tstms C Date 09/14 Tue 09/15/26 Wed 09/16/26 Thu 09/17/26 Fri 09/18/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 70 56 70 52 66 54 71 53 74 Temp 61 68 64 56 68 66 55 53 64 64 58 54 68 67 57 54 71 69 Dewpt 59 68 64 55 54 57 52 51 58 61 58 54 57 59 56 53 60 61 PWind dir SE W N NE NE N NE SE S Wind char BZ GN LT LT LT LT LT LT LT Avg clouds B2 B2 B1 B1 B1 SC SC B1 B2 B2 B1 SC B1 SC FW FW SC SC PoP 12hr 100 80 5 20 50 30 10 30 30 Rain shwrs D D D S C C S C S C C S Tstms C C C S S $$ IAZ035-130900- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 122 AM CDT Sat Sep 12 2026 Date 09/11/26 Sat 09/12/26 Sun 09/13/26 Mon 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 76 54 69 53 Temp 66 63 67 73 75 71 61 57 55 54 62 65 68 65 57 55 55 55 Dewpt 62 57 53 52 51 52 50 48 48 47 50 52 53 54 53 53 53 53 RH 87 81 61 48 43 51 67 72 77 77 65 63 59 68 86 93 93 93 Wind dir SW N N N N N N N NE NE NE E E E E E E SE Wind spd 6 11 12 11 6 3 2 1 2 3 5 6 5 3 3 4 9 13 Clouds SC SC SC SC SC FW FW SC SC B2 B2 B2 B1 SC FW SC B1 B2 PoP 12hr 40 0 20 30 40 QPF 12hr 0 0 0 0.03 0.10 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C C D Tstms S C Date 09/14 Tue 09/15/26 Wed 09/16/26 Thu 09/17/26 Fri 09/18/26 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 73 55 69 57 73 55 74 Temp 64 73 68 63 71 67 58 57 65 67 61 58 69 67 59 56 71 69 Dewpt 62 71 68 63 60 61 57 57 63 66 61 58 62 63 58 56 63 64 PWind dir SE SW N NE E N NE SE SE Wind char BZ GN LT LT LT LT LT LT LT Avg clouds OV B2 B2 B2 B2 B2 B1 B1 OV B2 B2 B1 B2 B1 SC SC B1 SC PoP 12hr 90 90 40 50 70 40 20 30 30 Rain shwrs D L D L C C C C L C C C S S S C C S Tstms C C C C S S S S S S $$ IAZ094-130900- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 122 AM CDT Sat Sep 12 2026 Date 09/11/26 Sat 09/12/26 Sun 09/13/26 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 64 81 60 69 58 Temp 66 65 71 76 80 74 66 64 62 60 63 65 67 65 61 61 60 60 Dewpt 63 63 67 66 64 62 61 59 58 57 60 63 63 61 60 59 59 59 RH 90 93 87 71 58 66 84 84 87 90 90 93 87 87 97 93 96 96 Wind dir S SW N N N N N N NE NE NE NE NE E E E E E Wind spd 5 4 8 10 10 5 4 4 4 4 6 10 11 10 9 9 10 12 Wind gust 23 Clouds B1 SC SC B1 SC SC SC B1 B1 B1 B2 B2 B2 B1 B1 B2 B2 B2 PoP 12hr 10 30 40 60 60 QPF 12hr 0 0.02 0.14 0.30 0.44 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S C L L S C C L L C Tstms S C C C S C C C C S Date 09/14 Tue 09/15/26 Wed 09/16/26 Thu 09/17/26 Fri 09/18/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 68 77 61 77 63 75 59 76 Temp 73 81 74 69 73 71 66 64 72 73 68 64 70 71 64 60 71 71 Dewpt 69 74 71 69 71 69 66 64 71 72 68 64 68 68 63 60 66 67 PWind dir SE S N NE SE N NE E SE Wind char BZ GN LT LT LT LT LT LT LT Avg clouds B2 SC SC B2 B2 B2 B2 B2 OV B2 B1 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 40 70 90 100 80 70 50 30 30 Rain shwrs C L D D D D D L L L C S S C C C Tstms S C C C C C C C C C S S S C S S $$ IAZ017-130900- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 122 AM CDT Sat Sep 12 2026 Date 09/11/26 Sat 09/12/26 Sun 09/13/26 Mon 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 75 51 67 49 Temp 65 62 65 72 75 70 60 56 53 52 59 63 67 63 54 52 51 51 Dewpt 61 59 53 50 48 48 47 46 46 46 49 49 49 49 50 49 48 49 RH 87 90 65 46 38 45 62 69 77 80 69 60 52 60 86 89 89 93 Wind dir SW NW N N NW NW NW N N N N NE NE NE E E E SE Wind spd 8 11 16 12 10 4 3 2 2 2 3 4 4 3 2 3 6 13 Clouds SC SC FW SC FW FW FW FW FW B1 B2 B2 SC SC FW SC SC B1 PoP 12hr 20 0 5 30 20 QPF 12hr 0 0 0 0.01 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S D Tstms Date 09/14 Tue 09/15/26 Wed 09/16/26 Thu 09/17/26 Fri 09/18/26 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 59 71 52 67 54 71 53 73 Temp 61 67 66 61 69 65 56 54 64 64 60 56 68 66 57 54 70 67 Dewpt 57 65 66 61 57 57 54 53 60 62 60 56 59 59 56 54 60 61 PWind dir SE SW NW NE E N NE SE S Wind char BZ GN LT LT LT LT LT LT LT Avg clouds B2 B2 B2 B2 B2 B1 SC B1 B2 B2 B2 B1 B2 SC SC SC SC SC PoP 12hr 100 90 20 30 50 40 20 30 30 Rain shwrs D D D L S C C C C C S S C C S Tstms S C C C S S S S $$ IAZ049-130900- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 122 AM CDT Sat Sep 12 2026 Date 09/11/26 Sat 09/12/26 Sun 09/13/26 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 79 54 70 52 Temp 66 63 70 75 78 72 63 59 56 54 63 66 69 64 57 55 54 54 Dewpt 63 62 62 58 55 55 53 50 49 48 52 53 53 53 54 53 52 51 RH 90 97 76 55 45 55 70 72 77 80 67 63 57 67 90 93 93 90 Wind dir SW W N N N N N N N NE NE NE NE NE E E E E Wind spd 6 5 12 10 8 4 3 3 3 3 5 6 6 3 3 4 8 11 Clouds B1 SC SC FW B1 FW FW FW SC B1 B2 OV B1 SC FW SC SC B2 PoP 12hr 10 5 10 60 30 QPF 12hr 0 0 0 0.13 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L C C D Tstms S S Date 09/14 Tue 09/15/26 Wed 09/16/26 Thu 09/17/26 Fri 09/18/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 77 64 75 57 72 58 74 55 75 Temp 65 73 69 66 71 69 61 58 67 68 64 60 70 69 60 56 71 69 Dewpt 60 66 69 66 64 62 60 58 64 65 64 60 62 62 59 56 62 62 PWind dir SE S N NE E N NE E SE Wind char BZ GN LT LT LT LT LT LT LT Avg clouds B2 B1 B2 B2 B2 B2 B2 B2 OV B2 B2 B2 B2 B1 SC SC B1 SC PoP 12hr 80 90 80 60 80 60 30 30 40 Rain shwrs D C L D D C C L D L L C C S S C C C Tstms S S C C S S S C C S C S S S C S $$ IAZ086-130900- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 122 AM CDT Sat Sep 12 2026 Date 09/11/26 Sat 09/12/26 Sun 09/13/26 Mon 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 83 60 72 57 Temp 66 66 75 78 82 77 68 64 62 60 66 66 69 67 61 60 59 59 Dewpt 64 64 70 69 67 64 61 58 56 55 57 60 61 60 59 58 57 57 RH 93 93 84 74 61 64 78 81 81 84 73 81 76 78 93 93 93 93 Wind dir S SW NW N N N N N N NE NE NE NE NE E E E E Wind spd 5 5 8 9 9 5 4 3 3 3 6 6 8 6 5 6 9 11 Wind gust 21 Clouds SC B2 SC SC SC SC FW SC FW B1 B1 OV SC B1 SC SC B1 B2 PoP 12hr 5 20 20 60 50 QPF 12hr 0 0 0.02 0.24 0.12 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C L C C C L Tstms S C S S Date 09/14 Tue 09/15/26 Wed 09/16/26 Thu 09/17/26 Fri 09/18/26 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 68 80 62 77 64 77 60 77 Temp 69 79 74 70 75 74 67 64 72 74 68 65 71 73 64 60 71 73 Dewpt 65 72 72 70 73 71 66 64 71 73 68 65 69 69 64 60 67 68 PWind dir SE S NW NE E N NE NE SE Wind char BZ GN LT LT LT LT LT LT LT Avg clouds B2 SC SC B1 B2 B2 B2 B2 OV B2 B1 B2 B2 B2 B1 SC B1 SC PoP 12hr 60 60 90 90 90 70 50 30 40 Rain shwrs L S L D D D D D L L L C S S C C C Tstms S C S S C C C C C C S S S C S S $$