Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
309 FOUS53 KDMX 162044 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 343 PM CDT Sat May 16 2026 IAZ060-170900- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 343 PM CDT Sat May 16 2026 Date 05/16/26 Sun 05/17/26 Mon 05/18/26 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 63 86 67 86 59 Temp 83 78 70 68 66 66 73 81 84 85 78 76 70 68 74 81 85 82 74 70 65 59 Dewpt 62 61 62 63 63 63 64 65 65 63 64 65 65 65 66 67 67 65 63 61 61 53 RH 49 56 76 84 90 90 73 58 53 48 62 69 84 90 76 63 55 56 69 73 87 80 Wind dir E E SE SE SE SE SE S S S S S S S S S S S S S SW W Wind spd 6 8 9 8 9 11 16 19 21 20 19 17 14 13 14 17 17 16 17 16 17 16 Wind gust 26 33 39 36 33 29 27 28 27 27 27 28 Clouds B1 B2 OV OV OV B2 B2 B1 B1 B1 B1 B1 OV B2 B2 B1 SC B1 B2 B2 B2 B1 PoP 12hr 80 60 80 80 90 QPF 12hr 0.73 0.02 0.35 0.20 1.11 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C L L L S D D L L D D D D D D Tstms C L C C C C S C S C C S C C C S Date 05/19 Wed 05/20/26 Thu 05/21/26 Fri 05/22/26 Sat 05/23/26 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 68 47 65 46 67 48 73 53 79 Temp 65 65 55 49 62 63 52 48 65 66 55 51 69 71 59 56 76 77 Dewpt 49 44 42 41 43 41 42 42 45 43 44 45 49 47 49 50 55 53 PWind dir NW NW N NE E E SE SE SE Wind char BZ GN LT LT LT LT GN LT GN Avg clouds B1 B1 B1 SC SC B1 B1 SC SC B1 B1 B1 B1 B1 SC SC SC SC PoP 12hr 5 0 0 0 0 10 10 20 10 Rain shwrs S S Tstms S S $$ IAZ039-170900- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 343 PM CDT Sat May 16 2026 Date 05/16/26 Sun 05/17/26 Mon 05/18/26 Tue CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 84 63 82 57 Temp 82 78 68 64 61 61 69 77 82 82 75 71 66 64 72 79 81 79 71 67 63 58 Dewpt 51 55 55 55 58 60 63 67 66 65 63 63 63 63 66 68 68 66 63 61 61 55 RH 34 45 63 73 90 97 81 71 58 56 66 76 90 97 81 69 65 64 76 81 93 90 Wind dir E E E E E SE SE SE S S S S S S S S S S S S SW SW Wind spd 6 8 8 9 10 12 16 19 21 21 19 18 16 16 17 18 16 16 20 20 19 19 Wind gust 29 35 34 29 28 Clouds SC SC B2 OV B2 B2 B2 B2 B1 SC SC B1 B2 B2 B2 B2 B1 B1 B1 B2 B2 B2 PoP 12hr 70 60 70 70 100 QPF 12hr 0.23 0.25 0.29 0.22 0.99 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C L C L L L L L L D D D D Tstms S S S S C C S S S S C C C S Date 05/19 Wed 05/20/26 Thu 05/21/26 Fri 05/22/26 Sat 05/23/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 69 43 62 42 66 44 71 48 77 Temp 66 64 51 46 60 61 48 44 64 64 51 47 68 69 55 51 74 74 Dewpt 52 45 41 39 42 40 40 40 43 43 42 41 48 47 45 46 54 54 PWind dir W NW N NE E E SE SE SE Wind char BZ GN GN LT GN LT GN GN GN Avg clouds B1 B1 B1 B1 SC B1 SC SC SC SC SC B1 SC SC SC SC SC SC PoP 12hr 10 0 0 0 0 5 10 10 10 $$ IAZ048-170900- Ames-Story IA 41.99N 93.62W Elev. 936 ft 343 PM CDT Sat May 16 2026 Date 05/16/26 Sun 05/17/26 Mon 05/18/26 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 85 63 84 55 Temp 83 79 69 66 64 64 72 79 83 84 76 72 67 66 72 79 83 80 71 67 62 56 Dewpt 57 59 60 60 62 63 65 67 66 64 64 64 65 64 66 68 68 66 63 60 61 52 RH 41 50 73 81 93 97 79 67 57 51 66 76 93 93 81 69 61 62 76 78 97 86 Wind dir E E E SE SE SE SE S S S S S S S S S S S S S SW W Wind spd 9 9 8 8 9 12 17 20 23 21 19 16 13 12 14 16 17 13 16 16 17 17 Wind gust 18 28 35 40 37 32 26 26 27 24 Clouds B1 B1 OV OV OV B2 B2 B1 B2 B1 B1 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 PoP 12hr 80 70 90 80 100 QPF 12hr 0.52 0.18 0.49 0.14 1.15 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C D L S S D D L L D D D D D D Tstms C C C C C S S C S S C S C C C S Date 05/19 Wed 05/20/26 Thu 05/21/26 Fri 05/22/26 Sat 05/23/26 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 67 44 63 43 67 46 72 50 78 Temp 63 64 52 46 61 62 49 46 64 65 53 49 68 70 57 54 74 76 Dewpt 50 45 42 41 44 41 42 42 46 44 44 44 50 48 48 49 56 54 PWind dir NW NW N NE E SE SE SE SE Wind char BZ GN GN LT GN LT GN LT GN Avg clouds B1 B1 B1 SC SC B1 B1 SC SC B1 B1 B1 B1 B1 SC SC SC SC PoP 12hr 5 0 0 0 0 5 10 20 10 Rain shwrs S Tstms S $$ IAZ004-170900- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 343 PM CDT Sat May 16 2026 Date 05/16/26 Sun 05/17/26 Mon 05/18/26 Tue CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 55 84 54 69 46 Temp 81 78 66 61 57 58 66 73 82 81 68 64 60 56 60 63 68 66 58 54 51 47 Dewpt 36 40 42 46 48 54 60 65 68 68 63 60 58 55 54 56 58 58 54 50 49 43 RH 20 26 42 58 72 86 81 76 63 65 84 87 93 96 81 78 70 75 86 86 93 86 Wind dir NE E E E E E SE SE S S S S W NW N N N N N NW NW NW Wind spd 9 11 9 12 14 18 19 25 27 26 19 17 12 12 12 11 13 14 17 18 19 23 Wind gust 29 36 41 39 29 Clouds B2 B1 SC B2 B2 OV B2 B2 B2 B2 B2 B2 OV OV B2 B2 B2 B2 OV OV B2 B2 PoP 12hr 70 50 90 60 100 QPF 12hr 0.13 0.10 0.43 0.04 1.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C L C C C C L L D D L L Tstms S S S S C C C C S S C C C C S Wind chill 39 Min chill 38 Date 05/19 Wed 05/20/26 Thu 05/21/26 Fri 05/22/26 Sat 05/23/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 57 39 61 39 66 44 70 49 76 Temp 54 55 45 41 56 59 45 43 62 64 50 48 65 68 54 52 71 73 Dewpt 43 41 37 37 39 38 37 38 43 42 41 41 46 46 45 46 52 52 PWind dir NW NW N E SE SE SE SE S Wind char BZ GN GN LT GN GN GN GN BZ Avg clouds B2 B2 B2 B1 SC SC SC SC SC SC B1 SC B1 SC B1 B1 B1 SC PoP 12hr 5 0 0 0 5 10 10 20 20 Rain shwrs S S Tstms S S $$ IAZ035-170900- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 343 PM CDT Sat May 16 2026 Date 05/16/26 Sun 05/17/26 Mon 05/18/26 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 58 86 60 81 51 Temp 82 78 68 64 61 61 71 77 84 83 73 67 64 61 70 74 80 75 66 61 57 51 Dewpt 47 50 51 53 57 59 63 65 66 66 63 61 61 61 63 63 63 63 59 55 55 47 RH 29 37 54 67 87 93 76 67 55 57 71 81 90100 78 69 56 66 78 81 93 86 Wind dir E E E E E SE SE SE S S S S S S SW S SE E S SW NW W Wind spd 11 10 9 9 10 13 18 21 24 23 19 14 12 9 10 9 10 10 14 13 16 18 Wind gust 32 35 34 29 23 Clouds B2 B1 B2 B2 OV OV OV B1 B1 B2 B2 B2 B2 OV B2 B2 B2 B2 OV OV OV B2 PoP 12hr 90 60 80 70 100 QPF 12hr 0.34 0.05 0.44 0.10 1.26 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L S L D D L L L L D D D D Tstms S S S C S C C S S C C C C C S Date 05/19 Wed 05/20/26 Thu 05/21/26 Fri 05/22/26 Sat 05/23/26 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 63 41 63 41 67 45 71 49 77 Temp 59 60 49 43 59 60 47 44 63 64 51 47 67 69 55 52 73 75 Dewpt 46 42 38 39 41 39 38 40 44 43 41 42 47 47 45 47 54 53 PWind dir NW NW N E SE SE SE SE SE Wind char BZ GN LT LT GN LT GN LT GN Avg clouds B2 B1 B1 B1 SC B1 B1 SC SC SC B1 B1 B1 SC SC B1 SC SC PoP 12hr 5 0 0 0 5 10 10 20 20 Rain shwrs S S Tstms S S $$ IAZ094-170900- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 343 PM CDT Sat May 16 2026 Date 05/16/26 Sun 05/17/26 Mon 05/18/26 Tue CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 85 67 85 60 Temp 83 75 69 68 65 64 75 82 83 83 78 75 69 67 74 82 84 80 74 69 66 60 Dewpt 64 63 63 63 62 63 65 66 65 63 63 63 64 65 67 68 68 65 63 61 61 55 RH 53 66 81 84 90 97 71 58 55 51 60 66 84 93 79 63 59 60 69 76 84 84 Wind dir SE SE E E SE SE S S S S S S S S S S S S S S SW W Wind spd 9 12 9 10 10 12 18 21 23 20 18 17 14 13 17 18 18 18 17 16 14 14 Wind gust 27 29 34 37 34 29 28 25 24 27 29 31 29 27 27 26 Clouds B1 OV OV OV B2 B2 B1 SC SC SC B1 B1 B2 B2 B2 SC SC SC B1 B2 B2 B2 PoP 12hr 80 10 70 80 90 QPF 12hr 1.80 0.01 0.50 0.17 1.21 Snow 12hr 00-00 00-00 00-00 Rain shwrs C D L C C S L L D D L L D D D D Tstms C L C C S S C C C C S C C C S S Date 05/19 Wed 05/20/26 Thu 05/21/26 Fri 05/22/26 Sat 05/23/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 69 46 65 46 68 48 73 53 79 Temp 66 66 53 48 63 63 51 48 65 66 54 50 70 70 58 55 76 77 Dewpt 51 47 43 42 45 43 43 43 46 45 45 46 51 50 50 52 57 55 PWind dir NW N N NE E E E E SE Wind char GN GN GN LT GN LT GN LT GN Avg clouds B1 B1 B1 SC SC B1 B1 B1 SC SC B1 B1 B1 SC B1 SC SC SC PoP 12hr 10 0 0 0 5 10 10 20 10 Rain shwrs S S S Tstms S S $$ IAZ017-170900- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 343 PM CDT Sat May 16 2026 Date 05/16/26 Sun 05/17/26 Mon 05/18/26 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 82 57 78 49 Temp 80 77 65 61 57 58 67 74 80 80 72 67 63 60 69 73 77 74 65 61 56 51 Dewpt 44 48 48 49 51 54 61 65 66 66 63 61 60 60 63 64 64 63 60 56 55 48 RH 28 36 54 65 80 86 81 74 62 62 73 81 90100 81 73 64 69 84 84 96 89 Wind dir NE NE E E E E SE SE SE SE S S S SW SW SW S SE S S W W Wind spd 6 6 8 9 11 14 19 21 25 25 23 20 17 13 11 10 10 11 18 16 18 23 Wind gust 34 40 39 34 Clouds B1 B1 B1 B2 B2 B2 OV B2 B1 B2 B1 B2 B2 OV B2 B2 B1 B2 B2 OV B2 B2 PoP 12hr 80 60 80 70 100 QPF 12hr 0.09 0.12 0.27 0.08 1.22 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L C S C L D D C C L L D D D D Tstms S S S C C C S S S C C C S S Date 05/19 Wed 05/20/26 Thu 05/21/26 Fri 05/22/26 Sat 05/23/26 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 62 39 60 38 65 42 69 46 75 Temp 58 59 48 42 57 58 45 43 62 63 50 46 66 66 54 51 72 73 Dewpt 46 42 37 36 40 38 37 38 43 42 40 40 47 46 44 44 53 52 PWind dir NW NW N E SE SE SE SE SE Wind char BZ GN GN LT GN LT GN GN GN Avg clouds B2 B1 B1 B1 SC SC SC SC SC SC B1 SC B1 SC B1 B1 SC SC PoP 12hr 5 0 0 0 0 5 5 10 20 Rain shwrs S Tstms S $$ IAZ049-170900- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 343 PM CDT Sat May 16 2026 Date 05/16/26 Sun 05/17/26 Mon 05/18/26 Tue CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 84 63 84 56 Temp 83 78 68 64 62 61 71 78 82 82 74 71 66 64 72 79 83 80 71 66 62 57 Dewpt 54 57 58 58 60 61 63 66 65 64 62 62 63 63 65 67 67 66 62 60 60 53 RH 37 48 70 81 93100 76 67 56 55 66 73 90 97 79 67 59 62 73 81 93 86 Wind dir E E E E SE SE SE S S S S S S SW S S S S S S SW W Wind spd 6 8 9 8 9 10 16 20 24 21 19 17 14 14 16 18 17 14 18 17 16 17 Wind gust 34 40 35 31 27 29 28 Clouds B1 B1 OV B2 OV B2 B1 B2 B1 SC SC B1 B2 B2 B2 B1 B1 B1 B2 B2 B2 B2 PoP 12hr 80 60 90 70 100 QPF 12hr 0.42 0.27 0.42 0.21 1.08 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C L L S D D L L L L D D D D Tstms C C C C C S C C S S C C C C S Date 05/19 Wed 05/20/26 Thu 05/21/26 Fri 05/22/26 Sat 05/23/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 68 43 63 41 66 44 71 48 77 Temp 65 64 50 45 60 61 47 44 63 64 51 47 67 69 54 51 73 75 Dewpt 50 45 40 39 43 41 40 40 44 43 41 41 48 48 45 47 55 54 PWind dir NW NW N NE E E SE SE SE Wind char BZ GN GN LT GN LT GN LT GN Avg clouds B1 B1 B1 SC SC B1 SC SC SC SC B1 B1 SC SC SC SC SC SC PoP 12hr 10 0 0 0 0 5 10 10 10 $$ IAZ086-170900- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 343 PM CDT Sat May 16 2026 Date 05/16/26 Sun 05/17/26 Mon 05/18/26 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 63 87 68 85 64 Temp 83 78 70 68 65 66 75 82 86 85 78 76 71 69 74 80 84 82 75 72 69 64 Dewpt 64 64 63 64 63 64 66 67 66 63 63 63 64 66 68 69 69 67 65 64 64 60 RH 53 62 78 87 93 93 74 61 51 48 60 64 79 90 82 69 61 61 71 76 84 87 Wind dir S SE SE SE SE SE SE S S S S S S S S S S S S S S SW Wind spd 9 10 9 9 10 11 16 19 21 19 17 18 14 14 18 19 19 17 17 16 18 17 Wind gust 21 31 35 32 28 28 26 26 29 31 32 27 28 28 29 27 Clouds SC B2 OV OV OV B2 B2 B2 SC SC SC SC B1 B2 B1 B1 SC SC SC B1 B2 B2 PoP 12hr 80 20 60 80 80 QPF 12hr 1.15 0.02 0.26 0.40 0.84 Snow 12hr 00-00 00-00 00-00 Rain shwrs S D L L C S L L D D C C L L D D S Tstms S C C C C S C C C S S C C C S S S Date 05/19 Wed 05/20/26 Thu 05/21/26 Fri 05/22/26 Sat 05/23/26 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 49 66 46 69 48 74 53 81 Temp 69 69 55 50 63 64 52 49 65 67 54 51 70 72 58 56 76 78 Dewpt 55 49 45 43 44 43 43 42 44 44 44 44 49 48 49 50 55 55 PWind dir W NW N NE E E E E SE Wind char BZ GN GN LT GN LT GN LT GN Avg clouds B1 B1 B1 B1 SC B1 B1 SC SC SC B1 B1 B1 SC B1 SC SC SC PoP 12hr 20 0 0 0 0 5 10 10 10 Rain shwrs S Tstms S $$