Weather for Bay St. Louis, Mississippi
Current Weather
Five Day Weather Forecast
Fri
H: 90°F
L: 80°F
Sat
H: 88°F
L: 78°F
Sun
H: 88°F
L: 77°F
Mon
H: 89°F
L: 76°F
Tue
H: 92°F
L: 73°F
Air Quality
Nitrogen Dioxide: 0.3 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 79 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:03 PM
Daylight: 14 hrs 6 mins
Moon Transit: 10:41 PM
Moonset: 3:03 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 89.2%
Best Times for Fishing or Hunting
Major Periods
9:53 AM - 12:23 AM12:00 AM - 12:00 AM
Minor Periods
5:07 PM - 6:37 PM2:33 AM - 4:03 AM
Action Rating: 2 out of 5
Flood Warning issued June 25 at 7:53PM CDT until July 3 at 7:00PM CDT by NWS New Orleans LA
Effective: Thu June 25, 2026, 7:53 PM
Expires: Fri June 26, 2026, 2:00 PM
...The Flood Warning continues for the following rivers in Louisiana...Mississippi... Pearl River Near Bogalusa affecting Pearl River and Washington Counties. Pearl River Near Pearl River affecting Pearl River, St. Tammany and Hancock Counties. Pascagoula River At Graham Ferry affecting Jackson County. For the Lower Pearl River...including Bogalusa, Pearl River...Minor flooding is forecast. For the Pascagoula River...including Graham Ferry...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Pearl River near Pearl River. * WHEN...Until Friday, July 03. * IMPACTS...At 15.5 feet, Secondary roads to the river and throughout Honey Island Swamp are inundated. Property in the vicinity of the gage is flooded threatening about 20 homes along the left bank. The Bogue Chitto National Wildlife Refuge will be closed to hunting at the 15.5 foot stage. * ADDITIONAL DETAILS... - At 7:00 PM CDT Thursday the stage was 15.0 feet. - Bankfull stage is 12.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:00 PM CDT Thursday was 15.0 feet. - Forecast...The river is expected to rise to a crest of 14.9 feet Saturday morning. It will then fall below flood stage Friday, July 03. - Flood stage is 14.0 feet. - Flood History...This crest compares to a previous crest of 15.0 feet on 01/08/1911. - http://www.weather.gov/safety/flood
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. Additional information is available at www.weather.gov/lix. Click on the Rivers and Lakes menu for forecasts and observations. The next statement will be issued when updates are needed.
Flood Warning issued June 26 at 9:19AM CDT until July 4 at 7:00PM CDT by NWS New Orleans LA
Effective: Fri June 26, 2026, 9:19 AM
Expires: Sat June 27, 2026, 3:30 AM
...The Flood Warning is extended for the following rivers in Mississippi...Louisiana... Pearl River Near Bogalusa affecting Washington Parish and Pearl River County. Pearl River Near Pearl River affecting St. Tammany Parish, Pearl River, and Hancock Counties. For the Lower Pearl River...including Bogalusa, Pearl River...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Pearl River near Pearl River. * WHEN...Until Saturday, July 04. * IMPACTS...At 15.5 feet, Secondary roads to the river and throughout Honey Island Swamp are inundated. Property in the vicinity of the gage is flooded threatening about 20 homes along the left bank. The Bogue Chitto National Wildlife Refuge will be closed to hunting at the 15.5 foot stage. * ADDITIONAL DETAILS... - At 8:00 AM CDT Friday the stage was 15.0 feet. - Bankfull stage is 12.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 AM CDT Friday was 15.0 feet. - Forecast...The river is expected to rise to a crest of 15.2 feet Monday morning. It will then fall below flood stage Saturday, July 04. - Flood stage is 14.0 feet. - Flood History...This crest compares to a previous crest of 15.2 feet on 04/05/1945. - http://www.weather.gov/safety/flood
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. Additional information is available at www.weather.gov/lix. Click on the Rivers and Lakes menu for forecasts and observations. The next statement will be issued when updates are needed.
Flood Warning issued June 25 at 7:53PM CDT until July 3 at 5:30PM CDT by NWS New Orleans LA
Effective: Thu June 25, 2026, 7:53 PM
Expires: Fri June 26, 2026, 2:00 PM
...The Flood Warning continues for the following rivers in Louisiana...Mississippi... Pearl River Near Bogalusa affecting Pearl River and Washington Counties. Pearl River Near Pearl River affecting Pearl River, St. Tammany and Hancock Counties. Pascagoula River At Graham Ferry affecting Jackson County. For the Lower Pearl River...including Bogalusa, Pearl River...Minor flooding is forecast. For the Pascagoula River...including Graham Ferry...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Pearl River near Bogalusa. * WHEN...Until Friday, July 03. * IMPACTS...At 20.0 feet, Woodlands and crop acreage along the river will be flooded. The Bogue Chitto Wildlife Management area will be inundated with water in recreational camps and over access roads. * ADDITIONAL DETAILS... - At 7:15 PM CDT Thursday the stage was 19.6 feet. - Bankfull stage is 15.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:15 PM CDT Thursday was 19.6 feet. - Forecast...The river is expected to rise to a crest of 20.0 feet Sunday morning. It will then fall below flood stage Friday, July 03. - Flood stage is 18.0 feet. - Flood History...This crest compares to a previous crest of 20.0 feet on 02/14/2021. - http://www.weather.gov/safety/flood
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. Additional information is available at www.weather.gov/lix. Click on the Rivers and Lakes menu for forecasts and observations. The next statement will be issued when updates are needed.
Flood Warning issued June 26 at 9:19AM CDT until July 4 at 8:30PM CDT by NWS New Orleans LA
Effective: Fri June 26, 2026, 9:19 AM
Expires: Sat June 27, 2026, 3:30 AM
...The Flood Warning is extended for the following rivers in Mississippi...Louisiana... Pearl River Near Bogalusa affecting Washington Parish and Pearl River County. Pearl River Near Pearl River affecting St. Tammany Parish, Pearl River, and Hancock Counties. For the Lower Pearl River...including Bogalusa, Pearl River...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Pearl River near Bogalusa. * WHEN...Until Saturday, July 04. * IMPACTS...At 20.0 feet, Woodlands and crop acreage along the river will be flooded. The Bogue Chitto Wildlife Management area will be inundated with water in recreational camps and over access roads. * ADDITIONAL DETAILS... - At 8:15 AM CDT Friday the stage was 19.8 feet. - Bankfull stage is 15.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:15 AM CDT Friday was 19.8 feet. - Forecast...The river is expected to rise to a crest of 20.2 feet early Sunday afternoon. It will then fall below flood stage Saturday, July 04. - Flood stage is 18.0 feet. - Flood History...This crest compares to a previous crest of 20.2 feet on 03/23/1943. - http://www.weather.gov/safety/flood
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. Additional information is available at www.weather.gov/lix. Click on the Rivers and Lakes menu for forecasts and observations. The next statement will be issued when updates are needed.
Flood Warning issued June 25 at 7:53PM CDT until June 29 at 1:00PM CDT by NWS New Orleans LA
Effective: Thu June 25, 2026, 7:53 PM
Expires: Fri June 26, 2026, 2:00 PM
...The Flood Warning continues for the following rivers in Louisiana...Mississippi... Pearl River Near Bogalusa affecting Pearl River and Washington Counties. Pearl River Near Pearl River affecting Pearl River, St. Tammany and Hancock Counties. Pascagoula River At Graham Ferry affecting Jackson County. For the Lower Pearl River...including Bogalusa, Pearl River...Minor flooding is forecast. For the Pascagoula River...including Graham Ferry...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Pascagoula River at Graham Ferry. * WHEN...Until Monday afternoon. * IMPACTS...At 16.0 feet, River property at Cumbest Bluff will be cut off by high water and some river roads will be impassable. * ADDITIONAL DETAILS... - At 6:45 PM CDT Thursday the stage was 16.7 feet. - Bankfull stage is 15.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 6:45 PM CDT Thursday was 16.8 feet. - Forecast...The river is expected to rise to a crest of 17.5 feet tomorrow morning. It will then fall below flood stage Monday morning. - Flood stage is 16.0 feet. - Flood History...This crest compares to a previous crest of 17.5 feet on 09/05/2012. - http://www.weather.gov/safety/flood
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. Additional information is available at www.weather.gov/lix. Click on the Rivers and Lakes menu for forecasts and observations. The next statement will be issued when updates are needed.
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.63 μg/m3
Sulphur Dioxide: 0.77 μg/m3
Ozone: 69.5 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:03 PM
Daylight: 14 hrs 6 mins
Moon Transit: 10:41 PM
Moonset: 3:03 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 89.2%
Best Times for Fishing or Hunting
Major Periods
9:53 AM - 12:23 AM12:00 AM - 12:00 AM
Minor Periods
5:07 PM - 6:37 PM2:33 AM - 4:03 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.1 μg/m3
Sulphur Dioxide: 0.48 μg/m3
Ozone: 53.58 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:03 PM
Daylight: 14 hrs 6 mins
Moon Transit: 11:32 PM
Moonset: 3:44 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.2%
Best Times for Fishing or Hunting
Major Periods
10:42 AM - 1:12 PM12:00 AM - 12:00 AM
Minor Periods
6:04 PM - 7:34 PM3:14 AM - 4:44 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.75 μg/m3
Sulphur Dioxide: 0.88 μg/m3
Ozone: 54.71 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:03 PM
Daylight: 14 hrs 5 mins
Moon Transit: 12:00 AM
Moonset: 4:30 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:33 AM - 2:03 PM
Minor Periods
6:56 PM - 8:26 PM4:00 AM - 5:30 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.22 μg/m3
Sulphur Dioxide: 1.08 μg/m3
Ozone: 65.88 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:03 PM
Daylight: 14 hrs 5 mins
Moon Transit: 12:23 AM
Moonset: 5:21 AM
Moon Phase: Full
Moon Illumination: 100.0%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:25 AM - 2:55 PM
Minor Periods
7:45 PM - 9:15 PM4:51 AM - 6:21 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.15 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 48.63 μg/m3
Astronomical
Sun Transit: 1:01 PM
Sunset: 8:03 PM
Daylight: 14 hrs 5 mins
Moon Transit: 1:14 AM
Moonset: 6:17 AM
Moon Phase: Full
Moon Illumination: 98.6%
Best Times for Fishing or Hunting
Major Periods
12:44 AM - 3:14 AM1:15 PM - 3:45 PM
Minor Periods
8:29 PM - 9:59 PM5:47 AM - 7:17 AM
Action Rating: 5 out of 5