Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
950 FOUS53 KDMX 131107 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 607 AM CDT Sun Sep 13 2026 IAZ060-132100- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 607 AM CDT Sun Sep 13 2026 Date Sun 09/13/26 Mon 09/14/26 Tue 09/15/26 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 68 59 83 67 73 Temp 56 60 63 67 66 61 60 60 60 61 68 79 80 77 74 70 68 68 69 71 67 Dewpt 52 53 54 56 57 57 56 55 55 57 62 70 72 72 72 70 67 65 61 62 63 RH 86 78 72 68 73 87 87 84 84 87 81 74 77 85 93100 97 90 76 73 87 Wind dir NE N NE E E E E E SE SE SE SE SE S SW W W NW N N N Wind spd 3 5 8 6 4 5 5 9 13 14 17 17 16 16 12 6 4 4 5 5 3 Wind gust 26 29 29 29 27 Clouds B1 B2 B2 OV B2 B1 SC B1 OV B1 B2 B1 B1 B1 B2 OV OV OV B2 B2 B2 PoP 12hr 70 20 70 100 80 QPF 12hr 0.14 0.02 0.20 0.80 0.52 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C S C C S S C D D D D C C C Tstms S S C C S S C C C S Date Wed 09/16/26 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 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 60 69 64 77 63 75 60 73 Temp 62 60 63 68 67 66 73 72 66 64 71 70 63 60 70 68 Dewpt 61 59 63 67 67 66 70 70 66 63 66 66 62 59 62 63 PWind dir NE E E NW E SE NE N Wind char LT LT LT LT LT GN LT LT Avg clouds B2 B2 OV B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 60 90 80 70 60 60 40 30 Rain shwrs C L D L L D L C C L L C C C C S Tstms C C S C C C C S S S S $$ IAZ039-132100- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 607 AM CDT Sun Sep 13 2026 Date Sun 09/13/26 Mon 09/14/26 Tue 09/15/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 69 51 75 64 73 Temp 51 62 64 67 65 57 53 52 51 61 63 70 72 70 70 68 65 67 70 72 67 Dewpt 47 50 50 50 52 52 50 49 47 51 54 57 62 66 69 68 65 62 57 54 56 RH 86 65 60 54 63 83 89 89 86 70 72 63 71 87 97100100 84 63 53 68 Wind dir N N N N N NE E E SE SE SE SE SE S SW SW W NW NW NW N Wind spd 3 4 5 3 3 2 2 4 9 16 19 20 19 18 14 9 5 8 8 8 4 Wind gust 31 34 29 Clouds FW B2 B2 B1 SC FW SC SC B1 B2 B2 B2 B2 SC B2 OV OV B2 B2 B2 B2 PoP 12hr 30 0 70 100 50 QPF 12hr 0 0 0.14 1.30 0.10 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C L C L D D C C S S Tstms C S C C S Date Wed 09/16/26 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 54 67 60 74 59 72 56 73 Temp 58 54 64 65 63 61 72 70 63 59 70 68 60 56 70 68 Dewpt 54 52 58 62 63 61 66 65 62 59 62 61 59 56 58 58 PWind dir NE E E NE NE SE E NE Wind char LT GN LT LT LT GN GN GN Avg clouds B1 B2 B2 OV B2 B2 B2 B2 B1 B1 B2 B1 B1 SC B1 SC PoP 12hr 20 60 80 60 50 60 40 30 Rain shwrs S C L L D L C C C L C C C C Tstms S S C S S C S S S S $$ IAZ048-132100- Ames-Story IA 41.99N 93.62W Elev. 936 ft 607 AM CDT Sun Sep 13 2026 Date Sun 09/13/26 Mon 09/14/26 Tue 09/15/26 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 70 57 80 65 73 Temp 53 59 63 68 66 58 57 57 57 60 66 76 77 74 72 68 66 67 69 72 67 Dewpt 50 51 52 53 55 55 54 53 52 56 60 66 70 72 71 68 66 63 59 58 60 RH 89 75 67 59 68 90 90 86 83 87 81 71 79 93 97100100 87 70 61 78 Wind dir N N NE E SE E E E SE SE SE SE SE S SW W W NW N N N Wind spd 3 4 6 5 3 3 4 6 12 16 18 17 16 14 9 5 3 5 6 5 3 Wind gust 27 32 31 28 Clouds B1 OV B2 B2 B1 SC SC B1 B2 B2 OV B2 B1 B1 OV OV OV OV OV B2 B2 PoP 12hr 60 20 80 100 60 QPF 12hr 0.02 0.02 0.19 1.08 0.23 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L S L L C S C D D D L L C C S Tstms C C C S C C C C Date Wed 09/16/26 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 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 57 68 62 76 61 74 58 74 Temp 59 57 62 66 65 64 72 71 64 62 71 69 61 58 70 67 Dewpt 57 56 61 65 65 64 69 68 64 62 65 65 61 58 61 62 PWind dir NE E E NE E SE NE N Wind char LT LT LT LT LT GN LT LT Avg clouds B1 B2 OV OV OV B2 OV B2 B2 B1 B2 B2 B1 B1 B1 B1 PoP 12hr 40 70 80 70 60 50 50 30 Rain shwrs S C L L L D L C C L C C C C C Tstms S S C C S C S S S S $$ IAZ004-132100- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 607 AM CDT Sun Sep 13 2026 Date Sun 09/13/26 Mon 09/14/26 Tue 09/15/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 68 51 73 55 69 Temp 49 56 61 67 66 55 52 51 53 57 59 68 71 68 63 58 55 60 66 69 65 Dewpt 44 47 48 48 50 49 48 48 47 53 57 64 68 68 62 56 50 50 51 51 53 RH 83 72 62 50 56 80 86 89 80 86 93 87 90100 97 93 83 69 58 53 65 Wind dir N NE NE E E SE SE SE SE SE SE S S SW W W NW NW NW NW N Wind spd 2 3 3 2 3 4 5 8 16 21 23 20 18 13 8 6 8 11 9 6 3 Wind gust 34 39 36 31 Clouds B2 B2 B1 SC FW FW FW SC B2 B2 OV B2 OV OV B2 B1 B1 B1 SC SC SC PoP 12hr 40 5 90 90 0 QPF 12hr 0.03 0 0.63 0.41 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L L S D L Tstms S C C S C S Date Wed 09/16/26 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 50 66 55 70 54 70 52 72 Temp 53 50 63 62 58 57 67 67 58 55 67 67 57 53 69 66 Dewpt 49 47 54 60 58 57 62 62 58 55 60 60 56 52 57 57 PWind dir NE E E NE E E NE N Wind char LT GN LT LT LT GN LT GN Avg clouds SC B1 B2 B2 B2 B2 B2 B2 B1 B1 B2 B1 SC SC SC SC PoP 12hr 0 40 60 40 50 50 30 20 Rain shwrs C C L C S C C C S C C S Tstms S S S C S S $$ IAZ035-132100- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 607 AM CDT Sun Sep 13 2026 Date Sun 09/13/26 Mon 09/14/26 Tue 09/15/26 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 79 61 72 Temp 50 58 64 70 67 57 54 54 55 58 64 74 75 71 69 64 61 64 68 71 66 Dewpt 47 49 49 50 53 52 52 50 50 56 58 65 71 71 69 64 60 57 54 54 57 RH 89 72 58 49 61 83 93 86 83 93 81 74 87100100100 97 78 61 55 73 Wind dir NE N NE E SE SE E SE SE SE SE SE S S SW W W NW N N N Wind spd 2 4 4 3 2 2 3 6 13 17 21 18 17 13 6 4 3 8 6 4 2 Wind gust 29 33 29 27 Clouds B1 B2 B2 B1 SC SC SC B1 OV B2 B2 B2 B2 OV B2 OV OV B2 B2 SC B1 PoP 12hr 40 10 80 100 10 QPF 12hr 0.01 0 0.40 1.09 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L D C C L D D D S S Tstms C C C C L C C S Date Wed 09/16/26 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 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 53 67 59 73 58 73 55 73 Temp 55 53 62 65 62 61 70 69 62 59 68 67 59 56 70 67 Dewpt 53 51 58 64 62 61 66 67 61 59 62 64 59 56 60 61 PWind dir NE E E NE E SE NE NE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B2 OV B2 B2 OV OV B2 B1 B1 B2 B1 B1 B1 B1 SC PoP 12hr 10 60 70 60 60 60 40 20 Rain shwrs L L L L L C C L L C C C S Tstms S C C S S C C S S S $$ IAZ094-132100- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 607 AM CDT Sun Sep 13 2026 Date Sun 09/13/26 Mon 09/14/26 Tue 09/15/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 67 60 84 67 73 Temp 57 64 65 65 65 63 63 62 61 62 73 82 82 78 75 71 69 68 69 71 67 Dewpt 52 55 56 58 60 59 58 58 58 62 68 73 73 72 72 71 69 68 68 66 66 RH 83 73 73 78 84 87 84 87 90100 84 74 74 82 90100100100 97 84 97 Wind dir NE NE NE E E E E E SE SE SE S S S S SW W N N N NE Wind spd 3 5 9 9 6 6 8 9 12 14 17 19 16 14 12 8 4 6 6 5 6 Wind gust 23 26 28 31 28 25 23 Clouds B1 B2 B1 B2 B2 B2 B1 B2 OV B2 SC FW SC SC B2 OV OV OV B2 B2 OV PoP 12hr 60 40 50 60 100 QPF 12hr 0.22 0.05 0.30 0.43 0.73 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C S C C C L L D D D D L Tstms C S S C C S C C S S S C Heat index 87 87 Max heat 91 86 Date Wed 09/16/26 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 73 65 78 64 75 59 71 Temp 64 61 69 72 69 67 75 73 68 64 72 70 64 59 69 67 Dewpt 64 61 68 71 69 67 73 72 68 64 69 69 64 59 64 65 PWind dir NE E E SW NE SE SE N Wind char LT LT LT LT LT GN LT GN Avg clouds OV OV OV B2 B2 B2 B2 B2 B1 B1 B1 SC B1 B1 B1 SC PoP 12hr 100 90 70 60 50 40 50 30 Rain shwrs L D D L L L L C C C C C C C C S Tstms C C C S C C C S C S S S S $$ IAZ017-132100- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 607 AM CDT Sun Sep 13 2026 Date Sun 09/13/26 Mon 09/14/26 Tue 09/15/26 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 68 48 73 59 69 Temp 49 58 62 67 65 54 51 50 50 58 59 67 69 67 67 63 59 62 66 69 64 Dewpt 45 48 48 48 49 49 48 47 46 51 54 58 64 67 67 63 58 55 53 52 54 RH 86 69 60 50 56 83 89 89 86 77 83 73 84100100100 96 78 63 55 70 Wind dir N N N NW NW S E E SE SE SE SE S S SW W W NW NW NW N Wind spd 1 3 3 2 1 2 2 4 10 19 21 21 18 17 10 5 5 10 9 6 3 Wind gust 31 37 36 32 27 Clouds B1 B2 B2 SC FW FW SC SC B1 B2 B2 OV B2 B2 OV OV B2 B2 B2 SC B1 PoP 12hr 30 0 90 100 5 QPF 12hr 0.02 0 0.51 1.20 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L D L L D C C Tstms S C C C C S Date Wed 09/16/26 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 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 50 66 56 72 55 70 54 71 Temp 53 50 63 63 60 58 69 67 59 57 67 66 57 54 69 66 Dewpt 51 49 55 60 60 58 63 63 59 57 60 60 57 54 57 57 PWind dir NE E E NE E SE NE NE Wind char LT LT LT LT LT GN LT LT Avg clouds SC B1 B2 B2 B2 OV OV B2 B1 B1 B2 B1 B1 B1 B1 SC PoP 12hr 0 50 70 50 50 50 40 20 Rain shwrs S C L L C C C C C C C C S Tstms S C S C S S S S $$ IAZ049-132100- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 607 AM CDT Sun Sep 13 2026 Date Sun 09/13/26 Mon 09/14/26 Tue 09/15/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 70 53 79 64 73 Temp 51 60 65 69 65 56 54 54 55 59 64 74 75 72 70 68 66 67 69 72 67 Dewpt 48 50 50 51 53 53 52 50 49 54 56 61 66 69 70 68 66 64 58 57 58 RH 89 69 58 53 65 90 93 86 80 83 75 64 74 90100100100 90 68 59 73 Wind dir N N NE E E E E E SE SE SE SE SE S SW SW W NW NW N N Wind spd 3 4 5 3 2 2 3 5 10 14 18 19 17 14 11 8 4 5 5 4 3 Wind gust 28 31 29 Clouds SC OV B2 B1 SC SC SC SC B1 B2 B2 B1 B1 B1 B2 B2 OV OV B2 B2 B2 PoP 12hr 40 5 60 100 60 QPF 12hr 0.01 0 0.14 1.13 0.20 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S L C C S L D D L L C C S Tstms S C S C C S S Date Wed 09/16/26 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 55 68 60 76 60 74 56 74 Temp 59 55 62 66 64 62 72 71 63 60 70 69 60 57 70 68 Dewpt 56 54 59 64 64 62 67 66 63 60 63 63 60 56 59 59 PWind dir NE E E NE NE SE NE N Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 OV OV B2 B2 B2 B2 B1 B1 B2 B1 B1 SC B1 SC PoP 12hr 40 70 80 70 60 50 50 30 Rain shwrs S C L L L D L C C L C C C C C Tstms S S C C S C S S S $$ IAZ086-132100- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 607 AM CDT Sun Sep 13 2026 Date Sun 09/13/26 Mon 09/14/26 Tue 09/15/26 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 70 59 80 69 75 Temp 56 64 66 67 67 62 61 61 60 62 68 78 78 75 75 72 71 73 72 72 69 Dewpt 52 54 54 58 59 58 57 55 55 58 62 68 72 72 72 72 71 71 69 67 68 RH 86 70 65 73 75 87 87 81 84 87 81 71 82 90 90100100 93 90 84 97 Wind dir N N NE NE E NE E E SE SE SE SE SE S S SW SW NW N N N Wind spd 3 5 6 6 3 4 5 8 11 13 16 17 14 13 12 9 5 5 5 4 3 Wind gust 24 27 28 26 25 23 Clouds B1 B2 B2 B2 B2 B1 SC SC B2 B2 B1 SC SC SC SC B2 B2 OV B2 B2 B2 PoP 12hr 50 20 50 70 100 QPF 12hr 0.14 0.04 0.02 0.39 0.60 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C L L D D D D L Tstms S S C C S S S S Date Wed 09/16/26 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 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 60 72 65 79 64 76 60 73 Temp 64 61 66 72 69 67 75 75 68 65 73 72 64 60 70 69 Dewpt 64 61 66 72 69 67 73 74 68 65 69 70 64 60 64 66 PWind dir NE E E W NE SE SE N Wind char LT LT LT LT LT GN LT LT Avg clouds OV OV OV B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 SC PoP 12hr 80 90 80 70 50 60 50 40 Rain shwrs L D D L C D L C C C L C C C C S Tstms C C C S C C S C S S S S $$