795
FOUS53 KDMX 201657
PFMDMX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE DES MOINES IA
1157 AM CDT THU AUG 20 2026
IAZ060-202100-
DES MOINES-POLK IA
41.54N 93.65W ELEV. 924 FT
1157 AM CDT THU AUG 20 2026
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26
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 67 86 66 81
TEMP 80 82 78 72 70 69 67 76 83 86 82 74 70 68 65 73 79 81 77
DEWPT 66 66 68 67 66 66 66 70 72 71 71 68 66 65 63 66 65 64 66
RH 62 58 71 84 87 90 97 82 70 61 69 82 87 90 93 79 62 56 69
WIND DIR SE S S S S SW SW W W NW NW N N NW W NW NW N N
WIND SPD 5 5 5 4 5 5 5 8 8 9 5 4 3 3 3 4 8 9 5
CLOUDS CL FW FW FW FW FW FW CL CL CL CL CL FW SC FW FW CL CL FW
POP 12HR 0 5 0 10 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 89 91 87
MAX HEAT 83 85 90 94 85 83
DATE SUN 08/23/26 MON 08/24/26 TUE 08/25/26 WED 08/26/26
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 61 78 63 78 64 83 66 82
TEMP 65 61 76 74 65 63 76 76 67 65 80 80 70 66 80 79
DEWPT 61 58 61 64 61 60 65 67 64 63 68 71 67 65 68 70
PWIND DIR N NE SE SE SE SW W NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC B1 B1 B1 SC SC SC SC FW SC SC SC SC
POP 12HR 0 5 20 20 10 10 20 10
RAIN SHWRS S S S S
TSTMS S S S
IAZ039-202100-
WATERLOO/CEDAR FALLS-BLACK HAWK IA
42.55N 92.40W ELEV. 865 FT
1157 AM CDT THU AUG 20 2026
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26
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 66 83 63 78
TEMP 79 80 77 70 68 67 66 74 81 83 78 70 67 65 63 71 76 78 74
DEWPT 62 63 65 65 65 65 65 69 70 68 67 64 62 61 60 63 63 61 61
RH 56 56 67 84 90 93 97 84 69 61 69 81 84 87 90 76 64 56 64
WIND DIR S S S S S S SW W W NW NW NW NW N NW NW NW NW NW
WIND SPD 3 5 5 5 6 6 6 9 9 12 9 5 4 4 4 6 11 12 8
CLOUDS CL SC FW SC B1 SC SC SC FW FW CL FW FW FW FW FW CL CL CL
POP 12HR 0 20 5 0 0
QPF 12HR 0 0.04 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S
TSTMS S
DATE SUN 08/23/26 MON 08/24/26 TUE 08/25/26 WED 08/26/26
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 58 76 59 75 62 80 64 80
TEMP 62 58 73 73 62 59 73 73 64 62 77 77 67 64 77 76
DEWPT 56 54 58 61 58 57 62 64 62 61 67 68 64 62 67 67
PWIND DIR N N SE SE SE SW W NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC SC SC B1 SC SC SC SC B1 SC SC SC SC SC
POP 12HR 0 0 5 10 20 20 20 10
RAIN SHWRS S S S S
TSTMS S S
IAZ048-202100-
AMES-STORY IA
41.99N 93.62W ELEV. 936 FT
1157 AM CDT THU AUG 20 2026
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26
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 66 85 64 80
TEMP 79 81 77 71 69 68 66 75 83 85 81 71 68 66 64 72 78 80 76
DEWPT 65 66 69 68 67 66 66 69 72 70 70 67 65 63 62 65 65 63 65
RH 62 60 76 90 93 93100 82 70 61 69 87 90 90 93 79 64 56 69
WIND DIR S S S S S SW SW W NW NW N N N NW NW NW NW N N
WIND SPD 5 8 5 4 5 5 4 6 8 8 4 3 3 2 2 4 8 9 4
CLOUDS CL FW FW FW SC FW FW CL CL FW CL FW FW SC FW CL CL FW FW
POP 12HR 0 10 5 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 88 90
MAX HEAT 83 89 91 82
DATE SUN 08/23/26 MON 08/24/26 TUE 08/25/26 WED 08/26/26
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 59 77 61 77 63 82 64 81
TEMP 63 59 75 74 64 62 75 75 66 64 79 79 68 65 79 78
DEWPT 59 56 61 64 61 60 65 67 65 62 69 71 66 64 68 70
PWIND DIR N E SE SE SE SW W NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC B1 B1 B1 SC SC SC SC SC SC SC SC SC
POP 12HR 0 5 10 20 10 20 20 10
RAIN SHWRS S S S S
TSTMS S S
IAZ004-202100-
ESTHERVILLE-EMMET IA
43.40N 94.75W ELEV. 1315 FT
1157 AM CDT THU AUG 20 2026
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26
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 63 82 61 78
TEMP 80 82 77 69 67 65 63 73 79 81 78 68 64 63 60 70 75 78 75
DEWPT 63 64 66 67 65 63 62 65 63 63 64 61 58 57 56 61 59 57 58
RH 56 55 69 93 93 93 97 76 58 54 62 78 81 81 87 73 58 48 55
WIND DIR S SW SW S SW W W NW N N N N NW NW NW N N N N
WIND SPD 10 11 11 9 9 8 6 8 10 10 5 5 4 5 6 9 11 10 6
CLOUDS FW B1 B1 SC FW FW SC CL CL FW SC SC FW CL FW FW CL FW FW
POP 12HR 5 20 0 5 0
QPF 12HR 0 0.02 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S
TSTMS S S
DATE SUN 08/23/26 MON 08/24/26 TUE 08/25/26 WED 08/26/26
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 77 59 78 61 81 61 80
TEMP 59 55 74 74 61 59 75 76 64 62 79 78 66 62 77 77
DEWPT 52 51 56 60 57 56 63 65 62 60 65 66 61 59 63 64
PWIND DIR N SE SE S S W NW NW
WIND CHAR LT LT LT GN GN GN LT GN
AVG CLOUDS FW SC SC SC SC B1 B1 SC SC SC SC SC SC SC SC SC
POP 12HR 0 5 30 20 20 10 20 5
RAIN SHWRS C S S S S
TSTMS S S S
IAZ035-202100-
FORT DODGE-WEBSTER IA
42.55N 94.18W ELEV. 1165 FT
1157 AM CDT THU AUG 20 2026
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26
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 65 85 62 80
TEMP 80 81 77 70 68 66 65 74 82 84 80 70 66 63 61 70 77 80 75
DEWPT 66 66 68 68 66 65 65 69 69 67 69 64 62 60 59 64 63 62 63
RH 62 60 74 93 93 97100 84 65 57 69 81 87 90 93 81 62 54 66
WIND DIR S S S S S SW SW W NW NW N N N NW NW N N N N
WIND SPD 6 10 6 4 5 5 4 5 5 6 3 3 2 2 2 4 6 8 3
CLOUDS FW FW FW SC FW FW FW CL CL CL FW FW SC FW FW CL CL FW FW
POP 12HR 0 10 5 5 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE SUN 08/23/26 MON 08/24/26 TUE 08/25/26 WED 08/26/26
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 78 59 77 62 82 62 81
TEMP 60 56 75 74 62 60 74 74 64 62 79 78 66 63 78 77
DEWPT 56 54 60 63 59 58 65 67 63 61 69 70 64 61 67 68
PWIND DIR N E SE SE S SW W NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC SC B1 B2 SC SC SC B1 SC SC SC SC SC
POP 12HR 0 5 20 20 20 20 30 10
RAIN SHWRS S S S S C S
TSTMS S S
IAZ094-202100-
LAMONI-DECATUR IA
40.63N 93.90W ELEV. 1125 FT
1157 AM CDT THU AUG 20 2026
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26
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 66 85 66 81
TEMP 80 82 79 71 68 67 66 74 82 85 82 74 70 68 66 73 79 81 78
DEWPT 68 67 68 67 66 66 66 70 72 71 73 70 69 66 64 66 66 65 66
RH 67 61 69 87 93 97100 87 72 63 74 87 97 93 93 79 64 58 67
WIND DIR SE S S S S S SW SW W W NW NW N N N NE N N N
WIND SPD 3 2 3 4 5 4 4 8 8 8 4 3 3 3 3 3 5 8 6
CLOUDS CL FW CL FW FW FW FW FW CL CL FW FW FW SC SC FW FW FW FW
POP 12HR 0 5 10 30 10
QPF 12HR 0 0 0 0.02 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C
TSTMS S C C
HEAT INDEX 87 90 87
MAX HEAT 83 85 88 92 84 82 84
DATE SUN 08/23/26 MON 08/24/26 TUE 08/25/26 WED 08/26/26
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 61 79 63 79 65 83 66 83
TEMP 66 61 77 75 66 64 77 77 68 65 81 80 70 67 81 80
DEWPT 62 59 61 64 62 60 65 68 65 63 68 70 68 65 67 69
PWIND DIR NE E SE SE SE SW W NW
WIND CHAR LT LT LT GN LT LT LT LT
AVG CLOUDS FW SC B1 B1 B1 B2 B1 SC FW SC SC SC SC SC B1 SC
POP 12HR 0 10 30 20 10 5 20 10
RAIN SHWRS S C S S
TSTMS S S S
IAZ017-202100-
MASON CITY-CERRO GORDO IA
43.16N 93.33W ELEV. 1189 FT
1157 AM CDT THU AUG 20 2026
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26
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 64 82 60 78
TEMP 78 80 76 70 68 66 65 73 81 81 78 68 65 62 60 70 76 78 75
DEWPT 63 64 66 66 66 65 64 68 66 64 64 61 59 58 58 61 59 56 57
RH 60 58 71 87 93 97 97 84 60 56 62 78 81 87 93 73 56 47 54
WIND DIR S S S S SW SW SW W NW NW NW NW NW NW NW N NW NW N
WIND SPD 6 9 8 8 8 8 6 8 9 11 6 4 3 3 4 8 11 11 5
CLOUDS SC B1 SC B1 SC SC SC FW CL FW FW FW FW FW FW FW FW CL CL
POP 12HR 5 20 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S
TSTMS S
DATE SUN 08/23/26 MON 08/24/26 TUE 08/25/26 WED 08/26/26
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 77 57 77 60 81 62 81
TEMP 60 55 74 74 61 59 74 74 64 61 79 78 66 63 78 77
DEWPT 53 52 55 58 57 56 60 63 61 61 65 65 62 61 64 64
PWIND DIR N E SE SE S SW W NW
WIND CHAR LT LT LT GN LT GN LT LT
AVG CLOUDS CL SC SC SC SC B1 B1 SC SC SC B1 SC SC SC SC FW
POP 12HR 0 5 20 20 30 20 20 10
RAIN SHWRS S S C S S S S
TSTMS S S S
IAZ049-202100-
MARSHALLTOWN-MARSHALL IA
42.11N 92.91W ELEV. 972 FT
1157 AM CDT THU AUG 20 2026
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26
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 65 85 62 80
TEMP 79 80 76 69 67 66 65 74 82 85 79 70 66 64 62 71 77 79 74
DEWPT 63 63 65 65 64 64 65 68 70 68 68 64 62 61 60 64 63 62 63
RH 58 56 69 87 90 93100 82 67 57 69 81 87 90 93 79 62 56 69
WIND DIR S S S S S S S W W NW NW N N NW N NW NW NW N
WIND SPD 3 6 5 4 5 6 5 8 8 9 6 4 3 3 3 4 9 10 5
CLOUDS FW FW FW FW SC SC FW SC CL CL CL FW FW FW FW FW CL CL CL
POP 12HR 0 10 5 5 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE SUN 08/23/26 MON 08/24/26 TUE 08/25/26 WED 08/26/26
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 77 59 77 61 82 63 81
TEMP 62 57 74 73 62 60 74 73 64 62 78 77 67 64 78 76
DEWPT 57 54 59 62 58 57 63 64 62 60 67 69 64 62 67 68
PWIND DIR N NE SE SE SE SW W NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC SC B1 B1 SC SC SC B1 SC SC SC SC SC
POP 12HR 0 0 10 10 20 10 20 10
RAIN SHWRS S S S
TSTMS S S
IAZ086-202100-
OTTUMWA-WAPELLO IA
41.11N 92.45W ELEV. 836 FT
1157 AM CDT THU AUG 20 2026
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26
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 66 85 66 81
TEMP 80 81 78 70 68 67 67 76 83 85 83 73 70 67 65 74 79 81 78
DEWPT 67 66 68 67 66 66 66 71 73 73 73 70 67 65 64 67 66 66 67
RH 65 60 71 90 93 97 97 85 72 67 72 90 90 93 97 79 64 60 69
WIND DIR E E SE SE S S SW SW W W NW NW NW NW NW NW NW NW N
WIND SPD 4 3 3 4 5 5 5 8 9 9 5 4 4 4 3 4 6 9 6
CLOUDS CL FW CL FW FW SC FW FW CL CL FW FW FW SC FW FW CL CL FW
POP 12HR 0 0 5 10 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 88 92 89
MAX HEAT 83 85 89 94 84 85
DATE SUN 08/23/26 MON 08/24/26 TUE 08/25/26 WED 08/26/26
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 61 79 62 79 64 83 66 83
TEMP 65 61 77 76 64 63 76 76 66 65 80 80 69 66 81 80
DEWPT 62 59 62 65 62 61 65 67 64 63 69 72 68 66 69 71
PWIND DIR N NE E SE SE S SW NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC SC B1 B1 B1 SC SC SC B1 SC SC SC B1 SC
POP 12HR 0 5 5 20 10 10 10 10
RAIN SHWRS S
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page