Minor

Minimal to no known threat to life or property

Illinois Minor Flood Advisory | Effective 09/20/2026 02:30

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Boone County in north central Illinois... Winnebago County in north central Illinois... McHenry County in northeastern Illinois... * WHEN...Until 800 AM CDT. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Roads and streets may be flooded. * ADDITIONAL DETAILS... - At 428 AM CDT, Doppler radar indicated heavy rain due to

Ohio Minor Flood Advisory | Effective 09/20/2026 02:39

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Northern Clermont County in southwestern Ohio... Northeastern Hamilton County in southwestern Ohio... * WHEN...Until 930 AM EDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 539 AM EDT, radar and automated rain gauges indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1.5 and 3 inches

Maryland Minor Coastal Flood Advisory | Effective 09/20/2026 02:18

* WHAT...Up to one half foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE...Shoreline in Southeast Harford County. * WHEN...Until 7 AM EDT this morning, especially around the time of high tide. * IMPACTS...At 4.0 feet, water begins to go over the bulkhead at the Havre de Grace Yacht Basin in multiple locations. * ADDITIONAL DETAILS...Tides one and a half to two feet above normal. The next high tide at Havre de Grace is at 6:15 PM and 6:09 AM.

Ohio Minor Flood Advisory | Effective 09/20/2026 02:11

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Pike County in south central Ohio... Southern Ross County in south central Ohio... * WHEN...Until 930 AM EDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 511 AM EDT, radar and automated rain gauges indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts up to 0.5 inches

Illinois Minor Flood Advisory | Effective 09/20/2026 01:48

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Cook County in northeastern Illinois... DuPage County in northeastern Illinois... Southern Kane County in northeastern Illinois... Kendall County in northeastern Illinois... Northern Will County in northeastern Illinois... * WHEN...Until 800 AM CDT. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - At 347 AM CDT, Doppler radar indicated heavy rain due to

Minor Dense Fog Advisory | Effective 09/20/2026 01:09

* WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to one quarter mile or less. For the Small Craft Advisory, northeast winds to 30 kt and significant waves to 8 ft occasionally to 10 ft expected. * WHERE...Calumet Harbor IL to Burns Harbor IN. * WHEN...For the Dense Fog Advisory, until 9 AM CDT this morning. For the Small Craft Advisory, from 10 AM this morning to 7 PM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult.

Minor Dense Fog Advisory | Effective 09/20/2026 01:09

* WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to one quarter mile or less. For the Small Craft Advisory, northeast winds to 30 kt and significant waves to 10 ft occasionally to 13 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...For the Dense Fog Advisory, until 9 AM CDT this morning. For the Small Craft Advisory, from 7 AM this morning to 7 PM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult.

Minor Dense Fog Advisory | Effective 09/20/2026 01:09

* WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to one quarter mile or less. For the Small Craft Advisory, northeast winds to 25 kt and significant waves to 7 ft occasionally to 9 ft expected. * WHERE...Burns Harbor to Michigan City IN. * WHEN...For the Dense Fog Advisory, until 9 AM CDT this morning. For the Small Craft Advisory, from 1 PM this afternoon to 7 AM CDT Monday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult.

Texas Minor Flood Advisory | Effective 09/20/2026 00:51

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Southeastern El Paso County in western Texas... West Central Hudspeth County in western Texas... * WHEN...Until 445 AM MDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rises in small streams and normally dry arroyos. * ADDITIONAL DETAILS... - At 151 AM MDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 0.5 and 1 inch of rain has

Ohio Minor Flood Advisory | Effective 09/20/2026 00:59

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Central Highland County in south central Ohio... Northwestern Brown County in southwestern Ohio... Northeastern Clermont County in southwestern Ohio... South Central Clinton County in southwestern Ohio... * WHEN...Until 700 AM EDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 359 AM EDT, radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the
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