Flash Flood Warnings in Iowa: every notice

April 14, 2026 to October 1, 2026

1. April 14, 2026 Flash Flood Warning: Dubuque, Jackson, Jones and 1 more, IA and IL Dubuque, Jackson, Jones and 1 more expired
2. April 14, 2026 Flash Flood Warning: Delaware County, IA Delaware County expired
3. April 15, 2026 Flash Flood Warning: Buchanan and Delaware County, IA Buchanan and Delaware County expired
4. April 15, 2026 Flash Flood Warning: Benton, IA Benton expired
5. April 15, 2026 Flash Flood Warning: Buchanan, Delaware County, Dubuque and 4 more, IA and IL Buchanan, Delaware County, Dubuque and 4 more expired
6. April 15, 2026 Flash Flood Warning: Jackson, Jones, Carroll and 1 more, IA and IL Jackson, Jones, Carroll and 1 more expired
7. April 17, 2026 Flash Flood Warning: Dubuque, Jackson and Jo Daviess, IA and IL Dubuque, Jackson and Jo Daviess expired
8. April 23, 2026 Flash Flood Warning: Montgomery and Pottawattamie, IA Montgomery and Pottawattamie expired
9. April 27, 2026 Flash Flood Warning: Lee, Hancock and Clark, IA and IL Lee, Hancock and Clark expired
10. May 16, 2026 Flash Flood Warning: Montgomery, IA Montgomery expired
11. May 17, 2026 Flash Flood Warning: Plymouth and Union, IA and SD Plymouth and Union expired
12. May 17, 2026 Flash Flood Warning: Plymouth and Sioux, IA Plymouth and Sioux expired
13. May 31, 2026 Flash Flood Warning: Taylor, IA Taylor expired
14. June 4, 2026 Flash Flood Warning: Fremont, Montgomery and Page, IA Fremont, Montgomery and Page expired
15. June 5, 2026 Flash Flood Warning: Mills, Cass and Sarpy, IA and NE Mills, Cass and Sarpy expired
16. June 5, 2026 Flash Flood Warning: Adair, Adams, Cass and 3 more, IA Adair, Adams, Cass and 3 more expired
17. June 5, 2026 Flash Flood Warning: Marion, IA Marion expired
18. June 6, 2026 Flash Flood Warning: Appanoose, Lucas, Marion and 2 more, IA Appanoose, Lucas, Marion and 2 more expired
19. June 7, 2026 Flash Flood Warning: Cedar, Clinton and Muscatine, IA Cedar, Clinton and Muscatine expired
20. June 7, 2026 Flash Flood Warning: Scott and Rock Island, IA and IL Scott and Rock Island expired
21. June 10, 2026 Flash Flood Warning: Appanoose and Davis, IA Appanoose and Davis expired
22. June 10, 2026 Flash Flood Warning: Lee, Hancock, Clark and 1 more, IA and IL Lee, Hancock, Clark and 1 more expired
23. June 10, 2026 Flash Flood Warning: Lucas, IA Lucas expired
24. June 11, 2026 Flash Flood Warning: Fremont, Mills, Cass and 4 more, IA and NE Fremont, Mills, Cass and 4 more expired
25. June 11, 2026 Flash Flood Warning: Fremont, Mills, Montgomery and 1 more, IA Fremont, Mills, Montgomery and 1 more expired
26. June 11, 2026 Flash Flood Warning: Adair, Adams, Madison and 1 more, IA Adair, Adams, Madison and 1 more expired
27. June 11, 2026 Flash Flood Warning: Dubuque, IA Dubuque expired
28. June 17, 2026 Flash Flood Warning: Johnson and Linn, IA Johnson and Linn expired
29. June 17, 2026 Flash Flood Warning: Cedar, Iowa County, Johnson and 8 more, IA and IL Cedar, Iowa County, Johnson and 8 more expired
30. June 17, 2026 Flash Flood Warning: Cedar, Clinton, Muscatine and 3 more, IA and IL Cedar, Clinton, Muscatine and 3 more expired
31. June 17, 2026 Flash Flood Warning: Des Moines, Henry and Jefferson, IA Des Moines, Henry and Jefferson expired
32. June 30, 2026 Flash Flood Warning: Woodbury and Dakota, IA and NE Woodbury and Dakota expired
33. July 2, 2026 Flash Flood Warning: Black Hawk, Grundy, Marshall and 1 more, IA Black Hawk, Grundy, Marshall and 1 more expired
34. July 2, 2026 Flash Flood Warning: Polk and Story, IA Polk and Story expired
35. July 2, 2026 Flash Flood Warning: Jasper and Polk, IA Jasper and Polk expired
36. July 3, 2026 Flash Flood Warning: Polk, IA Polk expired
37. July 3, 2026 Flash Flood Warning: Woodbury, Dakota and Union, IA and NE Woodbury, Dakota and Union expired
38. July 3, 2026 Flash Flood Warning: Story, IA Story expired
39. July 3, 2026 Flash Flood Warning: Scott and Rock Island, IA and IL Scott and Rock Island expired
40. July 4, 2026 Flash Flood Warning: Marshall and Story, IA Marshall and Story expired
41. July 4, 2026 Flash Flood Warning: Jasper, Marshall and Story, IA Jasper, Marshall and Story expired
42. July 4, 2026 Flash Flood Warning: Boone, Dallas, Hamilton and 4 more, IA Boone, Dallas, Hamilton and 4 more expired
43. July 4, 2026 Flash Flood Warning: Calhoun, Carroll, Greene and 1 more, IA Calhoun, Carroll, Greene and 1 more expired
44. July 8, 2026 Flash Flood Warning: Howard, Mitchell, Fillmore and 1 more, IA and MN Howard, Mitchell, Fillmore and 1 more expired
45. July 8, 2026 Flash Flood Warning: Floyd and Mitchell, IA Floyd and Mitchell expired
46. July 8, 2026 Flash Flood Warning: Cerro Gordo and Worth, IA Cerro Gordo and Worth expired
47. July 20, 2026 Flash Flood Warning: Cedar, Muscatine and Scott, IA Cedar, Muscatine and Scott expired
48. July 20, 2026 Flash Flood Warning: Boone, Jasper, Marshall and 2 more, IA Boone, Jasper, Marshall and 2 more expired
49. July 20, 2026 Flash Flood Warning: Jasper and Polk, IA Jasper and Polk expired
50. July 20, 2026 Flash Flood Warning: Dallas and Polk, IA Dallas and Polk expired
51. August 5, 2026 Flash Flood Warning: Mills, Pottawattamie and Sarpy, IA and NE Mills, Pottawattamie and Sarpy expired
52. August 5, 2026 Flash Flood Warning: Clarke, Decatur, Lucas and 1 more, IA Clarke, Decatur, Lucas and 1 more expired
53. August 9, 2026 Flash Flood Warning: Webster, IA Webster expired
54. August 12, 2026 Flash Flood Warning: Benton, Iowa County, Johnson and 1 more, IA Benton, Iowa County, Johnson and 1 more expired
55. August 12, 2026 Flash Flood Warning: Scott and Rock Island, IA and IL Scott and Rock Island expired
56. August 12, 2026 Flash Flood Warning: Hardin, IA Hardin expired
57. August 13, 2026 Flash Flood Warning: Monona and Thurston, IA and NE Monona and Thurston expired
58. August 14, 2026 Flash Flood Warning: Des Moines, Henderson and Warren, IA and IL Des Moines, Henderson and Warren expired
59. August 14, 2026 Flash Flood Warning: Harrison, IA Harrison expired
60. August 14, 2026 Flash Flood Warning: Pottawattamie and Shelby, IA Pottawattamie and Shelby expired
61. August 14, 2026 Flash Flood Warning: Adair, Audubon, Cass and 1 more, IA Adair, Audubon, Cass and 1 more expired
62. August 14, 2026 Flash Flood Warning: Des Moines, Louisa, Henderson and 2 more, IA and IL Des Moines, Louisa, Henderson and 2 more expired
63. August 14, 2026 Flash Flood Warning: Keokuk and Washington County, IA Keokuk and Washington County expired
64. August 14, 2026 Flash Flood Warning: Woodbury, IA Woodbury expired
65. August 15, 2026 Flash Flood Warning: Lee and Hancock, IA and IL Lee and Hancock expired
66. August 15, 2026 Flash Flood Warning: Des Moines, Henry, Jefferson and 3 more, IA and IL Des Moines, Henry, Jefferson and 3 more expired
67. August 19, 2026 Flash Flood Warning: Des Moines, Henry, Lee and 1 more, IA and IL Des Moines, Henry, Lee and 1 more expired
68. September 6, 2026 Flash Flood Warning: Lyon, Osceola and Nobles, IA and MN Lyon, Osceola and Nobles expired
69. September 6, 2026 Flash Flood Warning: Emmet and Palo Alto, IA Emmet and Palo Alto expired
70. September 6, 2026 Flash Flood Warning: Cherokee, IA Cherokee expired
71. September 6, 2026 Flash Flood Warning: Crawford, IA Crawford expired
72. September 6, 2026 Flash Flood Warning: Shelby, IA Shelby expired
73. September 7, 2026 Flash Flood Warning: Plymouth and Woodbury, IA Plymouth and Woodbury expired
74. September 8, 2026 Flash Flood Warning: Dallas and Polk, IA Dallas and Polk expired
75. September 9, 2026 Flash Flood Warning: Adair, Audubon, Cass and 5 more, IA Adair, Audubon, Cass and 5 more expired
76. September 9, 2026 Flash Flood Warning: Harrison, Mills, Pottawattamie and 6 more, IA and NE Harrison, Mills, Pottawattamie and 6 more expired
77. September 15, 2026 Flash Flood Warning: Adair, Audubon, Cass and 3 more, IA Adair, Audubon, Cass and 3 more expired
78. September 15, 2026 Flash Flood Warning: Lee, Clark and Scotland, IA and MO Lee, Clark and Scotland expired
79. September 19, 2026 Flash Flood Warning: Dubuque, Jackson, Jo Daviess and 1 more, IA and IL Dubuque, Jackson, Jo Daviess and 1 more expired
80. September 19, 2026 Flash Flood Warning: Clayton and Fayette, IA Clayton and Fayette expired
81. September 20, 2026 Flash Flood Warning: Cedar, Iowa County, Johnson and 4 more, IA Cedar, Iowa County, Johnson and 4 more expired
82. September 20, 2026 Flash Flood Warning: Clinton, Muscatine, Scott and 5 more, IA and IL Clinton, Muscatine, Scott and 5 more expired
83. September 20, 2026 Flash Flood Warning: Benton, Cedar, Iowa County and 3 more, IA Benton, Cedar, Iowa County and 3 more expired
84. September 30, 2026 Flash Flood Warning: Pottawattamie, Douglas and Sarpy, IA and NE Pottawattamie, Douglas and Sarpy expired
85. September 30, 2026 Flash Flood Warning: Pottawattamie, Douglas and Sarpy, IA and NE Pottawattamie, Douglas and Sarpy expired
86. September 30, 2026 Flash Flood Warning: Harrison, Pottawattamie, Shelby and 2 more, IA and NE Harrison, Pottawattamie, Shelby and 2 more expired
87. October 1, 2026 Flash Flood Warning: Shelby, IA Shelby expired
88. October 1, 2026 Flash Flood Warning: Audubon, Calhoun, Carroll and 3 more, IA Audubon, Calhoun, Carroll and 3 more expired
89. October 1, 2026 Flash Flood Warning: Audubon, Calhoun, Carroll and 3 more, IA Audubon, Calhoun, Carroll and 3 more expired
90. October 1, 2026 Flash Flood Warning: Black Hawk, Butler, Grundy and 1 more, IA Black Hawk, Butler, Grundy and 1 more expired
91. October 1, 2026 Flash Flood Warning: Black Hawk, Butler, Grundy and 1 more, IA Black Hawk, Butler, Grundy and 1 more expired

More

Flash Flood Warnings in Iowa