FOUS53 KDMX 181312 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 812 AM CDT Mon May 18 2026 IAZ060-182100- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 812 AM CDT Mon May 18 2026 Date Mon 05/18/26 Tue 05/19/26 Wed 05/20/26 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 82 54 64 45 63 Temp 72 78 82 79 72 68 63 56 56 61 63 62 55 52 48 46 56 60 62 63 Dewpt 64 66 67 66 64 63 60 51 48 49 47 44 44 43 41 41 41 42 41 41 RH 76 67 61 64 76 84 90 83 74 65 56 52 66 71 77 83 57 51 46 44 Wind dir SW SW S S S SW W NW NW NW NW N N N N N NE NE NE NE Wind spd 9 11 17 16 17 14 14 16 16 14 14 11 6 5 5 5 6 5 5 5 Wind gust 23 28 29 29 26 25 Clouds B2 B2 B2 B2 OV B2 OV OV B2 B2 SC SC SC FW FW FW SC B1 B1 B1 PoP 12hr 20 90 10 0 0 QPF 12hr 0.03 0.88 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C D L C Tstms C L C Date Thu 05/21/26 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 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 47 65 50 71 53 78 58 85 Temp 53 48 62 63 56 53 67 70 59 56 75 77 64 61 82 83 Dewpt 42 43 45 44 47 49 54 51 52 52 56 54 55 56 61 58 PWind dir E E E E SE SW S S Wind char LT GN LT LT LT LT LT LT Avg clouds B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC PoP 12hr 0 20 30 30 10 5 20 10 Rain shwrs S C C S S S Tstms S S S S S $$ IAZ039-182100- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 812 AM CDT Mon May 18 2026 Date Mon 05/18/26 Tue 05/19/26 Wed 05/20/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 54 63 42 63 Temp 71 77 79 76 72 68 64 57 56 61 63 60 53 49 45 43 54 60 63 61 Dewpt 64 66 66 67 65 64 61 54 50 49 47 43 42 41 39 39 40 40 39 39 RH 79 69 64 74 79 87 90 90 80 65 56 53 66 74 79 86 59 47 41 44 Wind dir S SW S S S S SW W NW NW NW NW NW NW N N N N N NE Wind spd 11 13 16 14 18 17 16 19 19 18 18 16 10 9 6 6 8 6 5 5 Wind gust 21 24 Clouds B2 B2 B2 OV OV OV OV B2 B2 B2 SC SC FW FW FW FW FW SC SC B1 PoP 12hr 20 80 20 0 0 QPF 12hr 0.02 0.65 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L D C S Tstms S C L C Date Thu 05/21/26 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 43 64 45 69 49 76 53 82 Temp 50 44 61 62 52 49 65 68 55 52 73 74 59 56 80 80 Dewpt 39 40 43 43 43 45 52 51 49 50 55 54 52 53 61 59 PWind dir E SE E SE E SW SE S Wind char LT GN GN GN LT LT LT GN Avg clouds B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC PoP 12hr 0 5 30 30 10 20 10 10 Rain shwrs C C C S Tstms S S $$ IAZ048-182100- Ames-Story IA 41.99N 93.62W Elev. 936 ft 812 AM CDT Mon May 18 2026 Date Mon 05/18/26 Tue 05/19/26 Wed 05/20/26 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 80 52 63 42 63 Temp 70 76 80 77 70 66 60 53 54 60 62 61 53 50 45 43 55 59 61 62 Dewpt 64 66 66 66 65 63 58 50 48 49 47 44 43 42 41 41 41 42 41 41 RH 81 71 62 69 84 90 93 89 80 67 58 53 69 74 86 93 59 53 48 46 Wind dir SW SW S S S SW W NW NW NW NW NW N N N N N NE NE E Wind spd 8 11 16 14 16 14 14 17 17 16 16 12 6 5 4 4 6 6 5 5 Wind gust 26 25 26 27 26 Clouds OV OV B2 OV OV OV B2 OV B2 B2 SC SC SC FW FW FW SC B1 B1 B2 PoP 12hr 30 90 0 0 0 QPF 12hr 0.03 0.92 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C D L C Tstms S S C C C Date Thu 05/21/26 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 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 45 64 47 70 50 77 55 84 Temp 50 47 61 62 54 51 65 69 57 54 74 75 61 59 80 82 Dewpt 41 43 46 45 46 48 55 52 51 51 57 54 53 55 62 58 PWind dir E SE E SE SE SW S S Wind char LT GN LT GN LT LT LT LT Avg clouds B1 B1 B1 B2 B2 B2 B1 B2 B1 B1 B1 B1 SC SC SC SC PoP 12hr 0 20 30 30 20 5 20 20 Rain shwrs S C C C S S S Tstms S C S C S S $$ IAZ004-182100- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 812 AM CDT Mon May 18 2026 Date Mon 05/18/26 Tue 05/19/26 Wed 05/20/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 66 44 57 38 62 Temp 62 64 66 64 58 52 47 45 48 53 57 55 48 44 40 39 52 57 60 61 Dewpt 56 57 59 60 55 50 45 41 41 42 43 41 38 37 36 37 37 38 38 37 RH 81 78 78 87 90 93 93 86 77 66 59 59 68 76 85 92 56 49 44 41 Wind dir NW N NE NE NE NW NW NW NW NW NW NW N NW NW N N NE SE SE Wind spd 8 6 8 11 16 19 20 21 23 20 19 17 10 6 4 5 5 4 4 6 Wind gust 32 Clouds B2 B2 B2 OV OV OV OV OV B2 B2 B1 SC SC FW FW FW FW SC SC B1 PoP 12hr 70 90 0 0 0 QPF 12hr 0.04 0.99 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C D L C C Tstms S C C C Wind chill 37 Min chill 36 38 39 34 38 Date Thu 05/21/26 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 42 64 45 68 48 74 52 82 Temp 47 45 61 62 50 48 63 66 52 51 69 72 57 56 77 78 Dewpt 38 39 44 43 43 44 49 48 46 47 51 51 49 50 56 56 PWind dir SE SE SE SE SE W S S Wind char LT BZ GN GN GN GN GN GN Avg clouds B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B1 SC SC SC SC PoP 12hr 0 5 30 50 40 10 20 20 Rain shwrs C C C C C S S S Tstms S S S S S $$ IAZ035-182100- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 812 AM CDT Mon May 18 2026 Date Mon 05/18/26 Tue 05/19/26 Wed 05/20/26 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 76 49 61 40 63 Temp 67 70 75 72 66 61 53 50 52 57 60 59 51 47 42 41 54 59 62 61 Dewpt 63 64 64 65 62 57 51 45 44 45 44 42 40 38 38 38 39 40 39 38 RH 87 81 69 79 87 87 93 83 74 64 55 53 66 71 86 89 57 49 43 42 Wind dir W SW S SE W S NW NW NW NW NW NW N N N N N NE NE E Wind spd 5 5 5 8 10 11 17 18 18 17 16 12 6 4 3 3 4 4 2 3 Clouds B2 B2 B2 OV OV OV OV OV OV B2 B1 SC SC FW FW FW FW B1 SC B1 PoP 12hr 40 90 0 0 0 QPF 12hr 0.04 1.13 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C D L C Tstms C C C C S Date Thu 05/21/26 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 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 43 64 45 70 48 76 53 84 Temp 47 46 61 61 51 49 64 68 54 51 72 74 58 56 79 80 Dewpt 38 41 45 44 43 46 52 50 47 48 53 52 50 52 59 57 PWind dir E SE SE SE SE SW S S Wind char LT GN LT GN LT LT LT GN Avg clouds B2 B2 B2 B1 B2 B2 B1 B1 B1 B1 B2 B1 SC SC SC SC PoP 12hr 0 20 30 40 30 10 20 10 Rain shwrs C C C C C S S S Tstms C C S S S S $$ IAZ094-182100- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 812 AM CDT Mon May 18 2026 Date Mon 05/18/26 Tue 05/19/26 Wed 05/20/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 55 64 44 63 Temp 71 78 80 77 71 68 63 56 57 61 64 62 55 51 47 45 56 60 62 61 Dewpt 65 67 69 66 65 63 60 53 51 51 50 47 45 43 42 42 43 44 44 43 RH 81 69 69 69 81 84 90 90 80 70 60 58 69 74 83 89 62 55 52 51 Wind dir S S S S S SW W NW NW NW N N N N N N NE NE NE NE Wind spd 11 16 19 18 18 14 13 13 14 13 13 11 6 8 8 8 9 8 8 6 Wind gust 26 32 29 29 26 24 Clouds B2 B2 B1 B2 OV OV OV OV B2 B2 B1 B1 SC SC SC SC SC B1 B1 B1 PoP 12hr 40 90 5 0 0 QPF 12hr 0.04 0.91 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S D D C Tstms S S L C Date Thu 05/21/26 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 46 65 50 72 52 78 57 84 Temp 51 47 62 63 56 53 68 70 58 55 75 76 62 60 82 82 Dewpt 42 44 47 47 49 52 57 55 53 54 58 57 55 57 63 60 PWind dir NE E E SE SE W S S Wind char LT GN LT GN LT LT LT LT Avg clouds B1 B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 SC SC SC B1 SC PoP 12hr 0 40 40 40 10 10 20 10 Rain shwrs S C C C S S Tstms S C S $$ IAZ017-182100- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 812 AM CDT Mon May 18 2026 Date Mon 05/18/26 Tue 05/19/26 Wed 05/20/26 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 75 47 59 38 61 Temp 68 71 74 73 66 62 55 50 50 56 58 56 49 46 42 40 52 58 61 59 Dewpt 63 64 65 65 63 59 53 46 45 45 44 42 39 37 36 37 38 39 39 37 RH 84 79 74 76 90 90 93 86 83 66 59 59 68 71 79 89 59 49 44 44 Wind dir SW W SW SE S S NW NW NW NW NW NW NW NW NW N N N NE E Wind spd 6 9 8 9 13 13 18 20 21 20 19 17 9 6 5 4 6 5 4 3 Clouds B2 B2 B2 B2 OV OV OV OV OV B1 SC B1 SC FW FW FW FW SC SC B1 PoP 12hr 40 90 20 0 0 QPF 12hr 0.02 1.29 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D L C S Tstms C C C S Date Thu 05/21/26 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 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 40 63 43 67 46 74 50 81 Temp 46 45 61 61 50 48 63 66 53 51 71 72 57 56 78 78 Dewpt 37 39 43 43 41 43 50 49 46 47 53 52 49 50 58 57 PWind dir E SE SE SE SE SW S S Wind char LT GN GN GN LT LT LT GN Avg clouds B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC PoP 12hr 0 10 30 40 30 10 20 10 Rain shwrs C C C S C S Tstms S S S S $$ IAZ049-182100- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 812 AM CDT Mon May 18 2026 Date Mon 05/18/26 Tue 05/19/26 Wed 05/20/26 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 53 63 41 63 Temp 71 77 79 77 71 66 63 55 55 60 62 61 52 48 44 42 54 59 62 61 Dewpt 63 65 65 66 64 63 60 52 49 49 47 44 42 40 39 39 40 41 40 39 RH 76 67 62 69 79 90 90 90 80 67 58 53 69 74 82 89 59 51 44 44 Wind dir S SW S S S SW SW NW NW NW NW NW N N N N N N NE NE Wind spd 10 12 17 16 17 16 13 17 17 17 17 12 8 6 5 5 6 6 4 4 Wind gust 23 27 26 27 27 Clouds B2 B2 B2 B2 OV B2 OV B2 B1 B2 SC SC SC FW FW FW SC SC B1 B1 PoP 12hr 20 80 20 0 0 QPF 12hr 0.01 0.73 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L D C S Tstms S L C Date Thu 05/21/26 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 43 64 46 70 48 77 53 83 Temp 49 44 61 62 52 49 65 68 55 52 73 75 59 57 80 81 Dewpt 39 41 44 44 44 46 52 51 49 50 55 54 52 53 60 58 PWind dir E E E SE SE SW SE S Wind char LT GN LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC PoP 12hr 0 20 30 30 10 5 10 10 Rain shwrs S C C C Tstms S S S S $$ IAZ086-182100- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 812 AM CDT Mon May 18 2026 Date Mon 05/18/26 Tue 05/19/26 Wed 05/20/26 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 81 59 68 46 65 Temp 71 77 80 79 73 71 68 63 60 65 67 65 57 53 48 47 57 61 64 64 Dewpt 66 68 68 67 66 65 64 60 54 54 52 48 46 44 42 42 42 43 43 43 RH 84 74 67 67 79 81 87 90 81 68 59 54 67 71 80 83 57 51 46 46 Wind dir S SW S S S S SW W NW NW NW NW N N N N NE N NE NE Wind spd 17 13 18 17 17 18 17 16 16 14 14 12 8 9 9 8 10 8 8 8 Wind gust 29 25 32 28 28 31 28 26 25 Clouds B2 B2 B2 B1 B2 B2 OV B2 B2 B2 SC B1 SC SC SC SC SC SC SC B1 PoP 12hr 30 90 30 0 0 QPF 12hr 0.07 0.51 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C D L C Tstms S C C S Date Thu 05/21/26 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 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 46 67 51 73 53 79 58 86 Temp 53 47 63 65 56 53 67 71 58 56 75 77 62 61 81 83 Dewpt 42 42 45 46 48 50 55 54 53 54 57 56 55 57 61 60 PWind dir NE E E E E SW SW S Wind char LT GN GN GN LT LT LT LT Avg clouds SC SC B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC PoP 12hr 0 20 40 30 10 5 10 10 Rain shwrs C C C S S Tstms S S $$