Point Forecast Matrices
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
219 FOUS53 KDMX 152302 PFMDMX Point Forecast Matrices National Weather Service Des Moines IA 502 PM CST Mon Dec 15 2025 IAZ060-161000- Des Moines-Polk IA 41.54N 93.65W Elev. 924 ft 502 PM CST Mon Dec 15 2025 Date 12/15/25 Tue 12/16/25 Wed 12/17/25 Thu CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 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 18 40 25 41 35 Temp 29 24 21 20 21 26 37 39 38 36 36 30 27 28 36 40 38 39 40 40 38 Dewpt 22 21 18 17 18 23 32 34 33 32 32 29 25 26 31 33 33 35 38 39 34 RH 75 88 88 88 88 88 82 82 82 85 85 96 92 92 82 76 82 85 92 96 85 Wind dir W W SW S S S SW SW W W NW NW W SW S S S S S SW W Wind spd 3 2 2 3 4 5 9 8 8 6 5 5 3 3 8 11 13 16 16 14 16 Wind gust 26 26 Clouds FW B1 B1 B1 SC SC FW SC B2 B1 SC SC SC FW SC SC B2 OV OV B2 B2 PoP 12hr 0 0 0 0 50 QPF 12hr 0 0 0 0 0.10 Snow 12hr 00-00 00-00 00-00 Rain C C Obvis PF PF PF Wind chill 15 19 30 33 30 32 30 31 31 32 28 Min chill 24 17 13 13 31 28 20 22 29 28 26 Date 12/18/25 Fri 12/19/25 Sat 12/20/25 Sun 12/21/25 Mon 12/22/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 39 10 37 31 42 21 36 26 40 Temp 32 22 14 12 26 35 34 34 42 34 27 22 33 33 29 27 37 37 Dewpt 23 12 4 1 8 15 23 26 31 28 22 18 19 21 23 23 28 29 PWind dir W NW SE S W N W SE SE Wind char BZ GN GN GN GN LT LT LT LT Avg clouds B1 B1 SC FW SC SC B1 B1 B1 B1 SC SC SC B1 B2 B1 B1 B1 PoP 12hr 10 0 0 0 5 5 5 0 5 $$ IAZ039-161000- Waterloo/Cedar Falls-Black Hawk IA 42.55N 92.40W Elev. 865 ft 502 PM CST Mon Dec 15 2025 Date 12/15/25 Tue 12/16/25 Wed 12/17/25 Thu CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 13 36 21 34 31 Temp 21 16 15 15 17 21 32 35 34 34 33 28 24 25 31 33 33 34 34 35 34 Dewpt 18 15 13 13 15 20 28 31 31 32 31 27 22 24 28 30 30 33 33 35 33 RH 88 96 92 92 92 96 85 85 89 92 92 96 92 96 88 89 89 96 96100 96 Wind dir W W S S S S S SW SW W NW NW NW W S S S S S S W Wind spd 3 2 2 4 6 9 11 10 10 10 10 8 5 4 10 14 17 19 19 18 18 Clouds FW B1 B2 B2 B2 B1 B1 B1 B2 B1 SC SC SC SC SC SC B2 OV OV OV B2 PoP 12hr 0 0 0 0 50 QPF 12hr 0 0 0 0 0.09 Snow 12hr 00-00 00-00 00-00 Rain C C C Snow C Obvis PF F F F PF Wind chill 8 8 11 23 28 26 26 25 20 17 18 23 23 22 23 23 25 24 Min chill 15 14 5 7 24 24 15 16 22 21 22 Date 12/18/25 Fri 12/19/25 Sat 12/20/25 Sun 12/21/25 Mon 12/22/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 36 0 29 20 36 13 28 19 33 Temp 31 18 9 2 15 26 25 27 36 28 20 14 25 26 24 21 30 30 Dewpt 25 10 3 -2 5 13 22 25 28 23 17 13 17 19 21 21 25 25 PWind dir W NW SE S W NW W SE SE Wind char WY GN GN GN GN LT LT LT GN Avg clouds B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 SC SC SC B2 B2 B2 B2 PoP 12hr 30 0 5 5 5 5 10 5 10 Rain C Snow C $$ IAZ048-161000- Ames-Story IA 41.99N 93.62W Elev. 936 ft 502 PM CST Mon Dec 15 2025 Date 12/15/25 Tue 12/16/25 Wed 12/17/25 Thu CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 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 15 38 22 37 33 Temp 25 20 17 17 18 24 34 37 36 35 34 28 24 26 33 36 37 36 37 37 35 Dewpt 21 18 16 15 17 22 31 34 32 32 32 28 23 25 31 33 33 35 36 36 33 RH 84 92 96 92 96 92 89 89 85 89 92100 96 96 92 89 85 96 96 96 92 Wind dir W W SW S S S SW SW W W NW NW W SW S S S S S SW W Wind spd 3 2 2 2 5 6 10 8 8 8 6 5 2 4 10 13 14 17 16 16 17 Clouds SC B1 B2 B1 B1 B1 SC B1 B1 B1 SC SC SC FW SC B1 B2 OV OV B2 B2 PoP 12hr 0 0 0 0 50 QPF 12hr 0 0 0 0 0.10 Snow 12hr 00-00 00-00 00-00 Rain C C S Snow S Obvis PF F F PF PF Wind chill 10 16 27 30 30 28 28 22 25 27 27 26 28 28 25 Min chill 20 16 10 11 27 27 18 19 26 26 23 Date 12/18/25 Fri 12/19/25 Sat 12/20/25 Sun 12/21/25 Mon 12/22/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 37 6 34 27 38 17 32 23 37 Temp 29 19 11 8 22 32 31 31 38 30 23 18 29 30 26 24 34 33 Dewpt 24 12 3 1 9 17 24 26 30 26 20 17 19 21 22 22 27 28 PWind dir NW NW S S W N W SE SE Wind char BZ GN GN GN GN LT LT LT GN Avg clouds B1 B1 SC SC B1 B1 B1 B1 B1 B1 SC SC SC B1 B2 B1 B1 B1 PoP 12hr 10 0 0 5 5 5 5 5 10 Rain S Snow S $$ IAZ004-161000- Estherville-Emmet IA 43.40N 94.75W Elev. 1315 ft 502 PM CST Mon Dec 15 2025 Date 12/15/25 Tue 12/16/25 Wed 12/17/25 Thu CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 18 39 20 37 24 Temp 24 20 20 20 25 30 35 37 38 34 31 25 23 25 32 36 36 36 35 33 30 Dewpt 22 18 17 19 22 26 31 33 33 31 28 24 20 22 30 32 31 32 32 31 26 RH 92 92 88 96 88 85 85 85 82 89 88 96 88 88 92 85 82 85 89 92 85 Wind dir W SW S SW SW SW SW W W NW NW W SW S S S S S SW W W Wind spd 3 4 6 10 13 13 14 14 13 12 10 6 5 10 19 23 23 24 21 23 25 Wind gust 25 35 34 34 33 35 Clouds SC SC B1 SC SC B1 B2 B1 SC SC SC SC SC SC SC B2 OV OV B2 B2 B1 PoP 12hr 0 0 0 0 50 QPF 12hr 0 0 0 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain C C C C Snow C S Obvis PF PF Wind chill 13 10 9 13 19 26 28 30 25 22 17 16 15 20 24 24 25 23 21 16 Min chill 20 10 9 13 26 21 12 13 22 23 15 Date 12/18/25 Fri 12/19/25 Sat 12/20/25 Sun 12/21/25 Mon 12/22/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 30 -2 31 22 31 11 28 18 31 Temp 18 12 4 0 16 29 26 25 31 23 17 12 25 26 23 19 28 28 Dewpt 13 4 -5 -6 8 17 23 22 25 18 12 10 18 20 19 18 24 23 PWind dir NW NW S S NW NW SW S S Wind char WY GN BZ GN GN LT GN GN GN Avg clouds B1 B1 FW SC B1 B1 B2 B1 B1 B1 SC SC SC B1 B2 B1 B1 B1 PoP 12hr 20 0 5 5 5 10 10 10 10 Snow S S $$ IAZ035-161000- Fort Dodge-Webster IA 42.55N 94.18W Elev. 1165 ft 502 PM CST Mon Dec 15 2025 Date 12/15/25 Tue 12/16/25 Wed 12/17/25 Thu CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 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 15 38 20 37 29 Temp 24 18 16 16 19 25 35 37 36 35 32 25 22 24 32 36 36 36 35 35 33 Dewpt 20 17 15 15 18 23 30 33 31 32 30 25 19 23 30 32 32 33 34 33 30 RH 84 96 96 96 96 92 82 85 82 89 92100 88 96 92 85 85 89 96 92 89 Wind dir W W S S S S SW W W NW NW NW W S S S S S S W W Wind spd 3 2 2 4 6 9 10 9 10 9 6 5 2 5 11 16 18 18 17 17 18 Wind gust 26 28 Clouds SC B1 B2 B2 B1 SC B1 B2 B1 B1 SC SC SC SC SC B1 OV OV OV B2 B2 PoP 12hr 0 0 0 0 50 QPF 12hr 0 0 0 0 0.07 Snow 12hr 00-00 00-00 00-00 Rain S S C C Obvis PF F F PF Wind chill 9 11 16 27 30 29 28 26 19 17 23 26 26 25 25 25 21 Min chill 18 10 7 10 27 24 15 16 24 24 20 Date 12/18/25 Fri 12/19/25 Sat 12/20/25 Sun 12/21/25 Mon 12/22/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 34 1 33 24 34 13 29 20 34 Temp 25 15 7 3 19 31 28 27 34 27 19 14 26 27 24 21 31 30 Dewpt 20 9 0 -2 9 17 24 26 29 23 17 13 20 21 21 20 26 26 PWind dir NW NW SE S NW N SW SE S Wind char BZ GN GN GN GN LT LT LT GN Avg clouds B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1 SC SC B1 B2 B2 B1 B1 PoP 12hr 10 0 0 5 5 5 10 5 10 $$ IAZ094-161000- Lamoni-Decatur IA 40.63N 93.90W Elev. 1125 ft 502 PM CST Mon Dec 15 2025 Date 12/15/25 Tue 12/16/25 Wed 12/17/25 Thu CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 23 45 27 46 36 Temp 34 30 27 25 25 29 41 44 40 37 36 32 30 32 42 44 40 41 42 43 39 Dewpt 24 23 22 22 22 26 32 34 33 32 31 30 28 29 33 35 34 37 41 41 36 RH 66 75 81 88 88 88 70 68 76 82 82 92 92 88 70 70 79 85 96 93 89 Wind dir SW SW SW SW S SW SW SW W W NW NW NW S S S S S S SW NW Wind spd 4 4 3 5 6 9 11 10 5 5 5 4 3 3 9 11 12 14 14 14 16 Clouds FW FW FW FW FW SC FW SC B2 B1 SC SC SC FW SC SC B1 B2 OV B2 B2 PoP 12hr 0 0 0 0 40 QPF 12hr 0 0 0 0 0.07 Snow 12hr 00-00 00-00 00-00 Rain C C Wind chill 18 17 21 34 38 36 38 33 33 34 35 30 Min chill 29 22 16 16 34 30 24 26 33 32 28 Date 12/18/25 Fri 12/19/25 Sat 12/20/25 Sun 12/21/25 Mon 12/22/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 40 13 39 32 46 23 39 28 44 Temp 36 25 17 14 32 36 34 34 45 39 30 24 36 34 30 28 41 38 Dewpt 23 12 5 2 6 17 23 26 31 29 25 20 21 24 24 26 30 31 PWind dir NW NW S S W N E SE SE Wind char BZ GN GN GN GN LT LT LT LT Avg clouds B1 SC FW SC SC SC SC B1 B1 B1 SC SC SC SC B1 B2 B1 B1 PoP 12hr 10 0 0 0 5 0 0 0 5 $$ IAZ017-161000- Mason City-Cerro Gordo IA 43.16N 93.33W Elev. 1189 ft 502 PM CST Mon Dec 15 2025 Date 12/15/25 Tue 12/16/25 Wed 12/17/25 Thu CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 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 14 37 20 34 30 Temp 21 17 16 16 19 24 34 36 36 34 32 26 23 23 30 33 33 34 34 34 33 Dewpt 18 16 15 15 17 23 29 32 32 32 30 26 20 22 28 30 30 32 33 32 30 RH 88 96 96 96 92 96 82 85 85 92 92100 88 96 92 89 89 92 96 92 89 Wind dir W W SW S S S SW W W W NW NW W SW S S S S S SW W Wind spd 3 2 3 5 8 10 13 13 11 11 10 6 4 5 12 17 19 20 19 19 20 Wind gust 28 31 Clouds SC SC B2 B2 B1 B1 B1 B2 SC SC SC SC SC SC SC B1 OV OV OV B2 B2 PoP 12hr 0 0 0 0 60 QPF 12hr 0 0 0 0 0.09 Snow 12hr 00-00 00-00 00-00 Rain S S L L S Snow S Obvis PF F PF F PF Wind chill 7 9 14 25 27 29 26 24 18 17 16 20 22 22 22 23 23 21 Min chill 16 9 5 8 26 23 12 15 21 21 20 Date 12/18/25 Fri 12/19/25 Sat 12/20/25 Sun 12/21/25 Mon 12/22/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 34 -3 28 18 31 9 25 17 30 Temp 24 12 4 -1 13 25 24 24 31 23 17 10 22 23 22 18 27 27 Dewpt 20 6 -2 -6 5 14 22 23 26 19 15 10 17 19 19 18 24 23 PWind dir NW NW S S NW NW SW S S Wind char WY GN GN GN GN LT LT LT GN Avg clouds B1 B1 B1 SC B1 B1 B2 B1 B1 B1 SC SC SC B1 B2 B1 B1 B2 PoP 12hr 20 0 5 5 5 5 10 5 10 Rain S Snow S $$ IAZ049-161000- Marshalltown-Marshall IA 42.11N 92.91W Elev. 972 ft 502 PM CST Mon Dec 15 2025 Date 12/15/25 Tue 12/16/25 Wed 12/17/25 Thu CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 14 36 21 35 32 Temp 23 17 15 15 17 21 32 35 35 33 33 27 23 24 31 33 34 35 35 35 34 Dewpt 19 16 14 14 16 20 29 32 32 31 31 27 21 23 29 31 31 33 33 34 33 RH 84 96 96 96 96 96 88 89 89 92 92100 92 96 92 92 89 92 92 96 96 Wind dir W W W S S S SW SW W W NW NW NW SW S S S S S SW W Wind spd 3 2 2 3 5 8 11 10 9 9 8 5 4 4 9 13 16 18 17 16 17 Wind gust 26 Clouds SC B1 B2 B2 B1 B1 SC B1 B2 B1 SC SC FW FW SC B1 B2 OV OV B2 B2 PoP 12hr 0 0 0 0 50 QPF 12hr 0 0 0 0 0.12 Snow 12hr 00-00 00-00 00-00 Rain C C C Snow C Obvis PF F F F PF Wind chill 9 9 12 23 28 28 26 26 20 17 18 24 24 24 24 24 25 23 Min chill 17 9 6 8 24 24 16 15 23 23 22 Date 12/18/25 Fri 12/19/25 Sat 12/20/25 Sun 12/21/25 Mon 12/22/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 36 2 31 23 36 14 30 21 34 Temp 29 17 9 4 18 29 28 29 36 28 21 15 27 27 25 22 31 30 Dewpt 25 11 3 -1 8 16 23 26 29 25 18 15 19 21 22 22 26 26 PWind dir W NW SE S W N W SE SE Wind char WY GN GN GN GN LT LT LT LT Avg clouds B1 B1 SC SC SC B1 B1 B1 B1 B1 B1 SC SC B1 B2 B2 B1 B2 PoP 12hr 30 0 0 5 5 5 5 5 10 Rain C Snow C $$ IAZ086-161000- Ottumwa-Wapello IA 41.11N 92.45W Elev. 836 ft 502 PM CST Mon Dec 15 2025 Date 12/15/25 Tue 12/16/25 Wed 12/17/25 Thu CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 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 19 41 25 39 35 Temp 28 24 22 21 22 26 36 40 38 37 35 31 28 28 35 38 36 37 39 40 41 Dewpt 22 20 19 19 19 25 32 35 33 33 32 30 26 27 32 33 33 35 38 39 38 RH 78 84 88 92 88 96 85 82 82 85 89 96 92 96 89 82 89 92 96 96 89 Wind dir SW W SW S S S SW SW SW W W NW NW W S SE S S S SW W Wind spd 5 3 3 5 6 8 10 9 9 9 8 5 4 3 6 11 12 16 16 16 17 Wind gust 27 27 27 Clouds SC SC SC SC SC SC FW FW B2 B2 B1 SC SC FW SC SC B1 B2 OV OV B2 PoP 12hr 0 0 0 0 50 QPF 12hr 0 0 0 0 0.07 Snow 12hr 00-00 00-00 00-00 Rain C C C Wind chill 22 14 14 18 29 34 31 30 29 25 29 31 28 28 30 32 32 Min chill 22 16 12 12 30 28 20 22 27 28 30 Date 12/18/25 Fri 12/19/25 Sat 12/20/25 Sun 12/21/25 Mon 12/22/25 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 42 10 36 29 44 21 37 26 42 Temp 38 25 16 12 26 33 33 33 43 37 28 22 34 33 30 27 38 36 Dewpt 28 15 7 3 7 14 22 26 31 30 23 19 19 21 24 25 28 29 PWind dir W NW S S W N N SE SE Wind char BZ GN GN GN GN LT LT LT LT Avg clouds B1 SC SC SC SC SC B1 B1 B1 B1 B1 SC SC B1 B2 B2 B1 B1 PoP 12hr 30 0 0 0 5 5 5 5 5 Rain C $$