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April 14, 2026 to September 20, 2026

Flash Flood Warnings in Illinois: every notice

194 notices from April 14, 2026 to September 20, 2026 of Flash Flood Warnings in Illinois.

April 14, 2026 to September 20, 2026

  1. Flash Flood Warning: Dubuque, Jackson, Jones and 1 more, IA and IL Dubuque, Jackson, Jones and 1 more expired
  2. Flash Flood Warning: Jo Daviess and Stephenson, IL Jo Daviess and Stephenson expired
  3. Flash Flood Warning: Boone and Winnebago, IL Boone and Winnebago expired
  4. Flash Flood Warning: Cook and DuPage, IL Cook and DuPage expired
  5. Flash Flood Warning: Buchanan, Delaware County, Dubuque and 4 more, IA and IL Buchanan, Delaware County, Dubuque and 4 more expired
  6. Flash Flood Warning: Jo Daviess and Stephenson, IL Jo Daviess and Stephenson expired
  7. Flash Flood Warning: Jackson, Jones, Carroll and 1 more, IA and IL Jackson, Jones, Carroll and 1 more expired
  8. Flash Flood Warning: Boone and Winnebago, IL Boone and Winnebago expired
  9. Flash Flood Warning: Dubuque, Jackson and Jo Daviess, IA and IL Dubuque, Jackson and Jo Daviess expired
  10. Flash Flood Warning: Winnebago, IL Winnebago expired
  11. Flash Flood Warning: Boone, Lake and McHenry, IL Boone, Lake and McHenry expired
  12. Flash Flood Warning: Lee, Hancock and Clark, IA and IL Lee, Hancock and Clark expired
  13. Flash Flood Warning: Sangamon, IL Sangamon expired
  14. Flash Flood Warning: Fayette and Montgomery, IL Fayette and Montgomery expired
  15. Flash Flood Warning: Clay, Cumberland, Effingham and 2 more, IL Clay, Cumberland, Effingham and 2 more expired
  16. Flash Flood Warning: Adams, Pike, Marion and 1 more, IL and MO Adams, Pike, Marion and 1 more expired
  17. Flash Flood Warning: Brown, Pike, Pike and 1 more, IL and MO Brown, Pike, Pike and 1 more expired
  18. Flash Flood Warning: Jersey, IL Jersey expired
  19. Flash Flood Warning: Cass, Menard, Morgan and 2 more, IL Cass, Menard, Morgan and 2 more expired
  20. Flash Flood Warning: Macoupin, IL Macoupin expired
  21. Flash Flood Warning: Montgomery, IL Montgomery expired
  22. Flash Flood Warning: Fayette, IL Fayette expired
  23. Flash Flood Warning: Crawford and Jasper, IL Crawford and Jasper expired
  24. Flash Flood Warning: Clay, Effingham and Jasper, IL Clay, Effingham and Jasper expired
  25. Flash Flood Warning: Clinton, Fayette and Marion, IL Clinton, Fayette and Marion expired
  26. Flash Flood Warning: Clay, IL Clay expired
  27. Flash Flood Warning: Bond, Clinton, Fayette and 4 more, IL Bond, Clinton, Fayette and 4 more expired
  28. Flash Flood Warning: Clinton, Madison, Monroe and 4 more, IL and MO Clinton, Madison, Monroe and 4 more expired
  29. Flash Flood Warning: Calhoun, Greene, Jersey and 2 more, IL and MO Calhoun, Greene, Jersey and 2 more expired
  30. Flash Flood Warning: Pope, Calloway, Livingston and 3 more, IL and KY Pope, Calloway, Livingston and 3 more expired
  31. Flash Flood Warning: Vermilion, IL Vermilion expired
  32. Flash Flood Warning: Bureau, IL Bureau expired
  33. Flash Flood Warning: Scott and Rock Island, IA and IL Scott and Rock Island expired
  34. Flash Flood Warning: Morgan and Sangamon, IL Morgan and Sangamon expired
  35. Flash Flood Warning: Madison, IL Madison expired
  36. Flash Flood Warning: Moultrie and Shelby, IL Moultrie and Shelby expired
  37. Flash Flood Warning: Coles, Cumberland, Moultrie and 1 more, IL Coles, Cumberland, Moultrie and 1 more expired
  38. Flash Flood Warning: Coles, Cumberland, Effingham and 1 more, IL Coles, Cumberland, Effingham and 1 more expired
  39. Flash Flood Warning: Moultrie and Shelby, IL Moultrie and Shelby expired
  40. Flash Flood Warning: Alexander, Union, Cape Girardeau and 1 more, IL and MO Alexander, Union, Cape Girardeau and 1 more expired
  41. Flash Flood Warning: Clinton and Marion, IL Clinton and Marion expired
  42. Flash Flood Warning: Menard and Sangamon, IL Menard and Sangamon expired
  43. Flash Flood Warning: Fulton, IL Fulton expired
  44. Flash Flood Warning: Knox, Peoria and Stark, IL Knox, Peoria and Stark expired
  45. Flash Flood Warning: Lee, Hancock, Clark and 1 more, IA and IL Lee, Hancock, Clark and 1 more expired
  46. Flash Flood Warning: Fulton, Knox, Marshall and 3 more, IL Fulton, Knox, Marshall and 3 more expired
  47. Flash Flood Warning: Fulton, Mason, Peoria and 1 more, IL Fulton, Mason, Peoria and 1 more expired
  48. Flash Flood Warning: Adams, Knox, Lewis and 2 more, IL and MO Adams, Knox, Lewis and 2 more expired
  49. Flash Flood Warning: McLean, Tazewell and Woodford, IL McLean, Tazewell and Woodford expired
  50. Flash Flood Warning: Sangamon, IL Sangamon expired
  51. Flash Flood Warning: Macon, IL Macon expired
  52. Flash Flood Warning: Jo Daviess and Stephenson, IL Jo Daviess and Stephenson expired
  53. Flash Flood Warning: Hancock and McDonough, IL Hancock and McDonough expired
  54. Flash Flood Warning: Winnebago, IL Winnebago expired
  55. Flash Flood Warning: Boone, IL Boone expired
  56. Flash Flood Warning: McHenry, IL McHenry expired
  57. Flash Flood Warning: Lake, IL Lake expired
  58. Flash Flood Warning: Cass, Logan, Mason and 5 more, IL Cass, Logan, Mason and 5 more expired
  59. Flash Flood Warning: De Witt, Logan, Macon and 1 more, IL De Witt, Logan, Macon and 1 more expired
  60. Flash Flood Warning: Christian, Macon, Morgan and 2 more, IL Christian, Macon, Morgan and 2 more expired
  61. Flash Flood Warning: Cedar, Iowa County, Johnson and 8 more, IA and IL Cedar, Iowa County, Johnson and 8 more expired
  62. Flash Flood Warning: Cedar, Clinton, Muscatine and 3 more, IA and IL Cedar, Clinton, Muscatine and 3 more expired
  63. Flash Flood Warning: Henry, Mercer, Rock Island and 1 more, IL Henry, Mercer, Rock Island and 1 more expired
  64. Flash Flood Warning: McDonough and Warren, IL McDonough and Warren expired
  65. Flash Flood Warning: De Witt, Logan, McLean and 1 more, IL De Witt, Logan, McLean and 1 more expired
  66. Flash Flood Warning: McLean, Peoria, Tazewell and 1 more, IL McLean, Peoria, Tazewell and 1 more expired
  67. Flash Flood Warning: Champaign, De Witt, McLean and 1 more, IL Champaign, De Witt, McLean and 1 more expired
  68. Flash Flood Warning: Christian, Logan, Macon and 3 more, IL Christian, Logan, Macon and 3 more expired
  69. Flash Flood Warning: Champaign, Piatt and Vermilion, IL Champaign, Piatt and Vermilion expired
  70. Flash Flood Warning: Clark, Coles, Douglas and 1 more, IL Clark, Coles, Douglas and 1 more expired
  71. Flash Flood Warning: Effingham and Shelby, IL Effingham and Shelby expired
  72. Flash Flood Warning: Bond, Fayette and Montgomery, IL Bond, Fayette and Montgomery expired
  73. Flash Flood Warning: Fayette, IL Fayette expired
  74. Flash Flood Warning: Clay and Effingham, IL Clay and Effingham expired
  75. Flash Flood Warning: Cumberland and Effingham, IL Cumberland and Effingham expired
  76. Flash Flood Warning: Marion, IL Marion expired
  77. Flash Flood Warning: Clark, Clay, Cumberland and 2 more, IL Clark, Clay, Cumberland and 2 more expired
  78. Flash Flood Warning: Clark and Crawford, IL Clark and Crawford expired
  79. Flash Flood Warning: Clay, Lawrence and Richland, IL Clay, Lawrence and Richland expired
  80. Flash Flood Warning: Edwards, Wabash and Wayne, IL Edwards, Wabash and Wayne expired
  81. Flash Flood Warning: Wabash, Gibson, Pike and 1 more, IL and IN Wabash, Gibson, Pike and 1 more expired
  82. Flash Flood Warning: Cook and Lake, IL and IN Cook and Lake expired
  83. Flash Flood Warning: Clay, Effingham and Jasper, IL Clay, Effingham and Jasper expired
  84. Flash Flood Warning: Randolph, IL Randolph expired
  85. Flash Flood Warning: Jackson and Perry, IL Jackson and Perry expired
  86. Flash Flood Warning: Johnson and Union, IL Johnson and Union expired
  87. Flash Flood Warning: Alexander, IL Alexander expired
  88. Flash Flood Warning: Pulaski and McCracken, IL and KY Pulaski and McCracken expired
  89. Flash Flood Warning: Wabash and Gibson, IL and IN Wabash and Gibson expired
  90. Flash Flood Warning: Edwards, Wabash, White and 3 more, IL and IN Edwards, Wabash, White and 3 more expired
  91. Flash Flood Warning: Alexander, Union, Cape Girardeau and 2 more, IL and MO Alexander, Union, Cape Girardeau and 2 more expired
  92. Flash Flood Warning: Marion, IL Marion expired
  93. Flash Flood Warning: Clay, Crawford, Effingham and 3 more, IL Clay, Crawford, Effingham and 3 more expired
  94. Flash Flood Warning: Edwards, Jefferson, Wabash and 1 more, IL Edwards, Jefferson, Wabash and 1 more expired
  95. Flash Flood Warning: Edwards, Wabash and Gibson, IL and IN Edwards, Wabash and Gibson expired
  96. Flash Flood Warning: White and Posey, IL and IN White and Posey expired
  97. Flash Flood Warning: Clark, Crawford, Cumberland and 1 more, IL Clark, Crawford, Cumberland and 1 more expired
  98. Flash Flood Warning: Clark, Coles and Edgar, IL Clark, Coles and Edgar expired
  99. Flash Flood Warning: Massac, Pope and Livingston, IL and KY Massac, Pope and Livingston expired
  100. Flash Flood Warning: DuPage, Kane and Kendall, IL DuPage, Kane and Kendall expired
  101. Flash Flood Warning: De Kalb, Kane and Kendall, IL De Kalb, Kane and Kendall expired
  102. Flash Flood Warning: Clay, IL Clay expired
  103. Flash Flood Warning: Scott and Rock Island, IA and IL Scott and Rock Island expired
  104. Flash Flood Warning: Cook, IL Cook expired
  105. Flash Flood Warning: Cook and Will, IL Cook and Will expired
  106. Flash Flood Warning: De Kalb, La Salle and Lee, IL De Kalb, La Salle and Lee expired
  107. Flash Flood Warning: Kane and Kendall, IL Kane and Kendall expired
  108. Flash Flood Warning: Bureau and Putnam, IL Bureau and Putnam expired
  109. Flash Flood Warning: Cook, DuPage and Kane, IL Cook, DuPage and Kane expired
  110. Flash Flood Warning: Kane, IL Kane expired
  111. Flash Flood Warning: DuPage and Will, IL DuPage and Will expired
  112. Flash Flood Warning: Cook, DuPage and Kane, IL Cook, DuPage and Kane expired
  113. Flash Flood Warning: Cook, Will and Lake, IL and IN Cook, Will and Lake expired
  114. Flash Flood Warning: DuPage and Will, IL DuPage and Will expired
  115. Flash Flood Warning: Cook, IL Cook expired
  116. Flash Flood Warning: Cook, IL Cook expired
  117. Flash Flood Warning: Alexander, IL Alexander expired
  118. Flash Flood Warning: Jackson, IL Jackson expired
  119. Flash Flood Warning: Johnson, Union and Williamson, IL Johnson, Union and Williamson expired
  120. Flash Flood Warning: Pope, IL Pope expired
  121. Flash Flood Warning: Monroe, Randolph, St. Clair and 2 more, IL and MO Monroe, Randolph, St. Clair and 2 more expired
  122. Flash Flood Warning: Monroe and St. Clair, IL Monroe and St. Clair expired
  123. Flash Flood Warning: Hardin, Johnson, Massac and 4 more, IL and KY Hardin, Johnson, Massac and 4 more expired
  124. Flash Flood Warning: Macon and Sangamon, IL Macon and Sangamon expired
  125. Flash Flood Warning: Coles and Edgar, IL Coles and Edgar expired
  126. Flash Flood Warning: Clark, IL Clark expired
  127. Flash Flood Warning: Jackson and Union, IL Jackson and Union expired
  128. Flash Flood Warning: Vermilion, IL Vermilion expired
  129. Flash Flood Warning: Rock Island, IL Rock Island expired
  130. Flash Flood Warning: Edwards, Wabash, Gibson and 1 more, IL and IN Edwards, Wabash, Gibson and 1 more expired
  131. Flash Flood Warning: Effingham, IL Effingham expired
  132. Flash Flood Warning: Clay, IL Clay expired
  133. Flash Flood Warning: Hardin, Crittenden and Union, IL and KY Hardin, Crittenden and Union expired
  134. Flash Flood Warning: Cook and DuPage, IL Cook and DuPage expired
  135. Flash Flood Warning: Cook and Will, IL Cook and Will expired
  136. Flash Flood Warning: Kendall and Will, IL Kendall and Will expired
  137. Flash Flood Warning: Clark and Edgar, IL Clark and Edgar expired
  138. Flash Flood Warning: Kendall and Will, IL Kendall and Will expired
  139. Flash Flood Warning: Cook and DuPage, IL Cook and DuPage expired
  140. Flash Flood Warning: Vermilion, IL Vermilion expired
  141. Flash Flood Warning: Lee, IL Lee expired
  142. Flash Flood Warning: Grundy, La Salle and Livingston, IL Grundy, La Salle and Livingston expired
  143. Flash Flood Warning: La Salle, IL La Salle expired
  144. Flash Flood Warning: Ford, Kankakee and Livingston, IL Ford, Kankakee and Livingston expired
  145. Flash Flood Warning: Ford, Iroquois and Kankakee, IL Ford, Iroquois and Kankakee expired
  146. Flash Flood Warning: Scott and Rock Island, IA and IL Scott and Rock Island expired
  147. Flash Flood Warning: Grundy, Kankakee, Kendall and 2 more, IL Grundy, Kankakee, Kendall and 2 more expired
  148. Flash Flood Warning: Champaign, De Witt, McLean and 1 more, IL Champaign, De Witt, McLean and 1 more expired
  149. Flash Flood Warning: Champaign and Vermilion, IL Champaign and Vermilion expired
  150. Flash Flood Warning: Knox, Marshall, Peoria and 2 more, IL Knox, Marshall, Peoria and 2 more expired
  151. Flash Flood Warning: Vermilion, IL Vermilion expired
  152. Flash Flood Warning: Ford, Iroquois and Benton, IL and IN Ford, Iroquois and Benton expired
  153. Flash Flood Warning: Ford and Iroquois, IL Ford and Iroquois expired
  154. Flash Flood Warning: Champaign and McLean, IL Champaign and McLean expired
  155. Flash Flood Warning: Champaign and Vermilion, IL Champaign and Vermilion expired
  156. Flash Flood Warning: Des Moines, Henderson and Warren, IA and IL Des Moines, Henderson and Warren expired
  157. Flash Flood Warning: Fulton, Knox, Peoria and 1 more, IL Fulton, Knox, Peoria and 1 more expired
  158. Flash Flood Warning: Des Moines, Louisa, Henderson and 2 more, IA and IL Des Moines, Louisa, Henderson and 2 more expired
  159. Flash Flood Warning: De Witt and Piatt, IL De Witt and Piatt expired
  160. Flash Flood Warning: Coles, Douglas and Edgar, IL Coles, Douglas and Edgar expired
  161. Flash Flood Warning: Clark, Coles, Cumberland and 1 more, IL Clark, Coles, Cumberland and 1 more expired
  162. Flash Flood Warning: Vermilion, IL Vermilion expired
  163. Flash Flood Warning: Fulton, Knox, Mason and 3 more, IL Fulton, Knox, Mason and 3 more expired
  164. Flash Flood Warning: Lee and Hancock, IA and IL Lee and Hancock expired
  165. Flash Flood Warning: McLean, IL McLean expired
  166. Flash Flood Warning: Henderson, McDonough and Warren, IL Henderson, McDonough and Warren expired
  167. Flash Flood Warning: McLean, IL McLean expired
  168. Flash Flood Warning: McLean, IL McLean expired
  169. Flash Flood Warning: Des Moines, Henry, Jefferson and 3 more, IA and IL Des Moines, Henry, Jefferson and 3 more expired
  170. Flash Flood Warning: Champaign, IL Champaign expired
  171. Flash Flood Warning: Ford, IL Ford expired
  172. Flash Flood Warning: Vermilion, IL Vermilion expired
  173. Flash Flood Warning: Champaign and Vermilion, IL Champaign and Vermilion expired
  174. Flash Flood Warning: McLean, IL McLean expired
  175. Flash Flood Warning: McLean, IL McLean expired
  176. Flash Flood Warning: Des Moines, Henry, Lee and 1 more, IA and IL Des Moines, Henry, Lee and 1 more expired
  177. Flash Flood Warning: Knox, IL Knox expired
  178. Flash Flood Warning: Mercer, IL Mercer expired
  179. Flash Flood Warning: Vermilion, IL Vermilion expired
  180. Flash Flood Warning: Mercer, IL Mercer expired
  181. Flash Flood Warning: Tazewell and Woodford, IL Tazewell and Woodford expired
  182. Flash Flood Warning: Champaign, IL Champaign expired
  183. Flash Flood Warning: Marshall and Stark, IL Marshall and Stark expired
  184. Flash Flood Warning: Champaign, De Witt and Piatt, IL Champaign, De Witt and Piatt expired
  185. Flash Flood Warning: Champaign, IL Champaign expired
  186. Flash Flood Warning: Champaign and Vermilion, IL Champaign and Vermilion expired
  187. Flash Flood Warning: Alexander, Scott and Stoddard, IL and MO Alexander, Scott and Stoddard expired
  188. Flash Flood Warning: Pulaski, Ballard and Mississippi County, IL and KY Pulaski, Ballard and Mississippi County expired
  189. Flash Flood Warning: La Salle, IL La Salle expired
  190. Flash Flood Warning: Marshall, IL Marshall expired
  191. Flash Flood Warning: De Kalb, La Salle and Lee, IL De Kalb, La Salle and Lee expired
  192. Flash Flood Warning: Dubuque, Jackson, Jo Daviess and 1 more, IA and IL Dubuque, Jackson, Jo Daviess and 1 more expired
  193. Flash Flood Warning: Clinton, Muscatine, Scott and 5 more, IA and IL Clinton, Muscatine, Scott and 5 more expired
  194. Flash Flood Warning: De Kalb, La Salle and Lee, IL De Kalb, La Salle and Lee expired

Source: National Weather Service alerts (api.weather.gov). A U.S. Government work, in the public domain.

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Flash Flood Warnings in Illinois