Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
510 FOUS53 KDMX 112322 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 622 PM CDT Mon May 11 2026 IAZ060-120900- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 622 PM CDT Mon May 11 2026 Date 05/11/26 Tue 05/12/26 Wed 05/13/26 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 60 83 53 76 48 Temp 72 66 64 63 62 70 79 82 80 68 62 55 53 64 73 76 74 61 55 50 50 Dewpt 44 43 42 42 43 48 48 42 38 35 36 37 37 39 39 36 36 37 37 38 39 RH 37 43 45 46 50 45 34 24 22 29 38 51 54 40 29 23 25 41 51 63 66 Wind dir SE SE S SW SW SW W NW NW NW NW NW NW NW NW N N E E SE SE Wind spd 9 10 11 16 16 20 18 20 18 10 9 8 8 11 12 12 8 4 4 5 8 Wind gust 28 31 31 31 21 Clouds FW FW CL SC B2 B1 B1 B1 FW CL FW CL CL CL CL CL CL CL CL FW FW PoP 12hr 10 20 0 0 0 QPF 12hr 0 0.03 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Sprinkles C Tstms S Date 05/14 Fri 05/15/26 Sat 05/16/26 Sun 05/17/26 Mon 05/18/26 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 58 88 60 88 63 88 63 80 Temp 75 75 64 61 83 85 67 62 85 85 69 65 84 84 71 65 76 77 Dewpt 43 44 48 54 57 52 49 49 52 53 54 57 62 60 59 56 56 52 PWind dir SE SE SW W S SE S W N Wind char GN GN GN LT GN GN BZ GN GN Avg clouds SC B1 B1 B2 SC FW FW FW FW SC SC SC SC B1 B1 B1 B1 B1 PoP 12hr 5 60 20 30 20 40 50 60 40 Rain shwrs C L S S C S S C C C C L C C C Tstms C C S S S C S S C C $$ IAZ039-120900- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 622 PM CDT Mon May 11 2026 Date 05/11/26 Tue 05/12/26 Wed 05/13/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 52 80 48 70 42 Temp 66 59 55 54 57 68 78 78 73 63 56 51 49 59 67 70 67 55 47 43 45 Dewpt 32 35 34 37 44 48 48 41 38 38 38 38 39 41 40 37 37 38 38 39 39 RH 28 40 45 52 62 49 35 27 28 39 51 61 68 51 37 30 33 53 71 86 79 Wind dir SE SE SE S S SW W NW NW NW NW NW NW NW NW N N NE E SE SE Wind spd 9 11 18 17 16 19 20 21 19 13 16 14 13 17 17 16 11 4 3 3 6 Wind gust 28 33 31 34 32 27 Clouds B1 FW FW B1 B2 B2 SC FW CL CL FW CL CL CL FW CL CL FW CL FW FW PoP 12hr 30 40 0 0 0 QPF 12hr 0 0.03 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S Sprinkles C Date 05/14 Fri 05/15/26 Sat 05/16/26 Sun 05/17/26 Mon 05/18/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 74 52 83 55 85 56 84 58 79 Temp 71 70 58 55 79 79 62 57 83 80 62 58 81 80 66 60 75 74 Dewpt 43 43 45 49 57 54 49 47 51 52 51 52 61 60 57 54 57 53 PWind dir SE SE S SW SW SE S SW NW Wind char GN BZ GN LT GN GN BZ BZ GN Avg clouds FW SC B1 B2 SC FW FW FW FW FW SC SC SC SC B1 B2 B1 B1 PoP 12hr 5 70 30 30 10 40 40 60 40 Rain shwrs C L C C C S C C C C L C C C Tstms C C S C S C C C $$ IAZ048-120900- Ames-Story IA 41.99N 93.62W Elev. 936 ft 622 PM CDT Mon May 11 2026 Date 05/11/26 Tue 05/12/26 Wed 05/13/26 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 83 50 75 46 Temp 70 63 60 61 63 69 79 81 78 66 59 53 51 63 72 75 73 59 52 47 48 Dewpt 41 42 42 43 44 49 48 41 38 36 37 38 39 40 39 37 36 37 38 39 40 RH 35 46 51 51 50 49 34 24 24 33 44 57 63 43 30 25 26 44 59 74 74 Wind dir SE SE S S SW W NW NW NW NW NW NW NW NW NW N N NE E SE SE Wind spd 9 11 13 14 14 21 20 24 21 14 9 9 8 12 14 13 9 4 4 5 9 Wind gust 21 27 33 32 Clouds SC FW FW SC B2 B1 B2 SC FW CL CL CL CL CL CL CL CL CL FW FW FW PoP 12hr 20 20 0 0 0 QPF 12hr 0 0.04 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S Date 05/14 Fri 05/15/26 Sat 05/16/26 Sun 05/17/26 Mon 05/18/26 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 56 87 57 88 59 87 59 79 Temp 74 73 62 59 82 84 64 59 85 84 66 62 82 83 67 62 75 76 Dewpt 45 45 48 54 56 51 48 48 52 52 53 56 63 60 58 55 57 52 PWind dir SE SE SW W SW S S W N Wind char BZ GN GN LT GN GN BZ GN GN Avg clouds SC B1 B1 B2 SC FW FW FW FW SC SC SC B1 B1 B1 B2 B1 B1 PoP 12hr 5 60 20 30 10 40 50 60 40 Rain shwrs C L S S C S S C C C C L C C C Tstms C C S S S C S S C C $$ IAZ004-120900- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 622 PM CDT Mon May 11 2026 Date 05/11/26 Tue 05/12/26 Wed 05/13/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 77 46 72 46 Temp 71 63 60 61 62 68 73 75 72 60 53 48 48 61 69 72 70 57 50 47 49 Dewpt 36 39 41 40 43 43 40 37 36 35 36 35 36 38 37 36 34 34 34 35 36 RH 28 41 49 46 50 40 30 25 27 39 52 60 63 42 31 27 26 42 54 63 61 Wind dir S SE S SW W NW NW NW NW NW NW NW NW N N N N E SE SE SE Wind spd 13 18 21 24 20 23 28 32 28 16 11 11 11 13 16 13 10 8 10 13 17 Wind gust 26 32 33 35 44 39 26 Clouds SC FW B2 B1 B2 SC FW CL FW FW CL FW CL CL CL FW CL FW FW FW SC PoP 12hr 10 10 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Sprinkles C Date 05/14 Fri 05/15/26 Sat 05/16/26 Sun 05/17/26 Mon 05/18/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 78 54 85 53 84 55 83 53 74 Temp 72 72 59 56 79 81 59 56 78 80 60 58 77 77 59 55 68 70 Dewpt 41 46 46 48 45 41 39 40 44 44 46 49 56 55 49 47 48 45 PWind dir S S W W SW SE S NW NW Wind char WY BZ BZ GN GN GN BZ BZ BZ Avg clouds SC B1 B1 B1 SC FW FW FW FW FW SC B1 B1 B1 B1 B1 B1 SC PoP 12hr 20 40 20 20 20 40 50 50 30 Rain shwrs S C C S S S S C C C C C C C C Tstms S S S S S S C S C S $$ IAZ035-120900- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 622 PM CDT Mon May 11 2026 Date 05/11/26 Tue 05/12/26 Wed 05/13/26 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 82 48 75 46 Temp 71 64 61 61 62 72 77 80 76 64 56 50 49 63 71 75 73 58 51 47 48 Dewpt 39 41 41 40 42 46 42 37 35 35 35 36 37 38 37 35 34 34 35 36 38 RH 31 43 48 46 48 39 29 21 22 34 45 58 63 39 29 23 24 40 54 65 68 Wind dir S SE S S SW W NW NW NW NW NW NW NW N N N N E SE SE SE Wind spd 11 16 16 18 20 23 25 28 25 14 8 8 8 12 13 12 8 4 5 8 11 Wind gust 28 31 Clouds SC FW SC B2 B2 B1 SC FW FW FW CL FW CL CL CL CL CL FW FW FW FW PoP 12hr 20 20 0 0 0 QPF 12hr 0.01 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Sprinkles C Date 05/14 Fri 05/15/26 Sat 05/16/26 Sun 05/17/26 Mon 05/18/26 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 54 88 55 88 57 87 57 78 Temp 74 73 59 56 81 83 62 57 83 83 63 60 81 81 63 58 73 73 Dewpt 42 45 46 51 50 45 42 43 46 47 48 52 59 58 52 50 52 48 PWind dir SE S SW W SW SE S NW N Wind char BZ BZ GN LT GN GN BZ GN GN Avg clouds SC B1 B1 B1 SC FW FW FW FW FW SC B1 B1 SC B1 B2 B1 B1 PoP 12hr 10 40 30 20 20 50 50 60 30 Rain shwrs C C C S S S C C C C L C C C Tstms C C C S S S C C S C C $$ IAZ094-120900- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 622 PM CDT Mon May 11 2026 Date 05/11/26 Tue 05/12/26 Wed 05/13/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 83 52 77 49 Temp 73 68 65 62 60 71 77 81 79 68 61 54 53 66 74 76 75 61 55 51 51 Dewpt 50 45 42 42 44 47 50 48 41 36 34 35 37 39 39 37 36 36 36 37 39 RH 44 43 43 48 55 42 39 32 26 31 36 48 54 37 28 24 24 39 49 59 63 Wind dir S S SW SW S SW W W NW NW NW NW NW N N N N E E E SE Wind spd 5 6 12 14 14 20 20 19 14 11 9 8 6 11 12 11 8 4 4 6 9 Wind gust 17 23 26 28 31 Clouds FW SC CL FW SC SC SC SC SC CL CL CL CL CL CL FW CL CL FW FW FW PoP 12hr 5 10 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Sprinkles C Date 05/14 Fri 05/15/26 Sat 05/16/26 Sun 05/17/26 Mon 05/18/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 79 58 89 61 88 64 88 65 81 Temp 76 74 63 60 85 85 66 63 86 84 68 66 85 84 71 66 77 76 Dewpt 43 44 50 56 59 54 50 52 55 56 56 59 64 61 60 59 59 55 PWind dir SE SE SW SW S S S SW N Wind char BZ GN GN LT GN GN BZ GN GN Avg clouds SC B1 B1 B1 SC FW FW FW FW FW SC SC B1 SC SC B2 B2 SC PoP 12hr 5 60 20 20 30 30 40 60 40 Rain shwrs C L S S S S S C C C S C L L C C Tstms C C S S S S S S S C C S S $$ IAZ017-120900- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 622 PM CDT Mon May 11 2026 Date 05/11/26 Tue 05/12/26 Wed 05/13/26 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 52 78 45 69 41 Temp 67 59 55 55 59 71 76 77 72 60 53 48 46 59 67 69 67 55 47 42 46 Dewpt 33 35 36 39 42 46 43 38 37 37 36 36 37 39 38 36 35 36 36 37 37 RH 28 40 49 55 53 41 31 24 28 42 52 63 71 47 34 30 30 49 65 82 71 Wind dir SE SE S S SW W NW NW NW NW NW NW NW N N N N NE SE SE SE Wind spd 11 13 20 18 19 23 26 29 26 20 13 13 12 16 17 14 10 3 4 6 10 Wind gust 25 28 35 42 39 Clouds B2 FW SC B2 B2 B1 FW FW CL CL FW FW CL CL CL CL CL FW FW FW FW PoP 12hr 40 20 0 0 0 QPF 12hr 0.02 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S Date 05/14 Fri 05/15/26 Sat 05/16/26 Sun 05/17/26 Mon 05/18/26 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 75 51 84 52 83 53 83 53 76 Temp 71 70 59 55 78 80 60 55 80 79 60 57 78 78 61 56 71 72 Dewpt 42 44 44 48 52 48 43 42 47 48 47 49 58 57 52 49 53 49 PWind dir SE S SW W SW SE S W NW Wind char BZ BZ GN LT GN GN BZ BZ BZ Avg clouds FW SC B1 B1 SC FW FW FW FW FW SC SC B1 B1 B1 B1 B1 B1 PoP 12hr 20 60 30 30 20 40 50 50 30 Rain shwrs S C L S C C S S S C C C C C S C Tstms S C C S S S S S S S C C $$ IAZ049-120900- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 622 PM CDT Mon May 11 2026 Date 05/11/26 Tue 05/12/26 Wed 05/13/26 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 54 81 48 72 42 Temp 68 60 56 56 59 68 78 80 76 63 56 51 49 61 69 72 69 55 48 43 46 Dewpt 36 37 36 40 43 48 48 41 39 36 36 37 38 40 39 37 37 36 37 37 39 RH 31 42 47 55 55 49 35 25 26 36 47 59 66 46 33 28 31 49 65 79 76 Wind dir SE SE SE S S SW W NW NW NW NW NW NW NW NW N N NE E SE SE Wind spd 9 12 14 13 16 21 21 23 20 12 10 10 9 14 16 14 9 3 3 4 6 Wind gust 32 34 34 23 Clouds SC FW CL B1 B2 B1 B1 SC FW CL CL CL CL CL CL CL CL CL CL FW FW PoP 12hr 20 30 0 0 0 QPF 12hr 0 0.04 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Date 05/14 Fri 05/15/26 Sat 05/16/26 Sun 05/17/26 Mon 05/18/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 53 85 55 86 57 85 59 79 Temp 71 71 59 56 79 81 62 57 83 81 63 59 81 81 66 60 75 75 Dewpt 44 45 45 51 57 54 47 47 52 54 50 53 61 61 56 54 57 53 PWind dir SE SE SW W SW SE S W N Wind char GN GN GN LT LT LT BZ GN GN Avg clouds FW SC B1 B1 SC FW FW FW FW FW SC SC SC B1 B1 B1 B1 B1 PoP 12hr 5 60 20 30 20 40 40 60 40 Rain shwrs C L S S C S S C C C C L C C C Tstms C C S S S C S C C $$ IAZ086-120900- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 622 PM CDT Mon May 11 2026 Date 05/11/26 Tue 05/12/26 Wed 05/13/26 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 82 53 74 46 Temp 70 63 59 58 61 70 75 80 78 67 60 55 53 63 70 74 72 59 51 47 48 Dewpt 40 39 39 43 44 47 51 50 45 39 37 38 39 41 41 39 39 38 38 39 40 RH 33 41 47 57 53 44 43 35 31 36 42 53 59 44 35 28 30 45 61 74 74 Wind dir SE SE SE S S SW W W NW NW NW NW NW NW NW NW N NE E SE SE Wind spd 5 9 11 12 13 20 21 17 13 10 10 10 10 14 16 14 10 4 4 4 6 Wind gust 29 32 32 29 27 24 20 20 26 25 Clouds FW SC CL FW B1 B1 B1 SC B1 CL CL CL CL CL CL CL CL CL CL FW FW PoP 12hr 5 20 0 0 0 QPF 12hr 0 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Sprinkles C Tstms S Date 05/14 Fri 05/15/26 Sat 05/16/26 Sun 05/17/26 Mon 05/18/26 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 56 87 60 88 63 88 65 83 Temp 73 73 61 59 81 83 65 62 84 84 67 65 84 84 71 67 78 78 Dewpt 43 43 47 53 60 57 53 53 55 56 55 58 63 63 61 60 61 57 PWind dir SE SE S SW SW SE S SW NW Wind char GN BZ GN LT GN GN BZ GN GN Avg clouds FW SC B1 B2 B1 SC FW FW FW FW SC SC SC B1 SC B1 B1 B1 PoP 12hr 0 70 30 20 20 40 40 60 50 Rain shwrs S L C C S S S C C C C L L C C Tstms S C S C S S S S C C S $$