Weather for Bay St. Louis, Mississippi
Current Weather
Five Day Weather Forecast
Fri
H: 62°F
L: 43°F
Sat
H: 55°F
L: 45°F
Sun
H: 42°F
L: 34°F
Mon
H: 52°F
L: 33°F
Tue
H: 50°F
L: 39°F
Air Quality
Nitrogen Dioxide: 4.75 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 81 μg/m3
Astronomical
Sun Transit: 12:07 AM
Sunset: 5:20 PM
Daylight: 10 hrs 25 mins
Moon Transit: 10:23 AM
Moonset: 3:20 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.5%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:53 AM - 12:23 AM
Minor Periods
2:50 PM - 4:20 PM4:57 AM - 6:27 AM
Action Rating: 3 out of 5
Flood Warning issued January 15 at 7:58PM CST until January 17 at 1:12AM CST by NWS New Orleans LA
Effective: Thu January 15, 2026, 7:58 PM
Expires: Fri January 16, 2026, 12:00 PM
...The Flood Warning continues for the following rivers in Louisiana...Mississippi... Pearl River Near Pearl River affecting Pearl River, Hancock and St. Tammany Counties. For the Lower Pearl River...including Pearl River...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Pearl River near Pearl River. * WHEN...Until early Saturday morning. * 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 CST Thursday the stage was 15.6 feet. - Bankfull stage is 12.0 feet. - Forecast...The river is expected to fall below flood stage tomorrow evening and continue falling to 7.6 feet Sunday, January 25. - Flood stage is 14.0 feet. - http://www.weather.gov/safety/flood
Caution is urged when walking near riverbanks. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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 Friday afternoon at noon CST.
Flood Warning issued January 16 at 9:06AM CST until January 17 at 1:12AM CST by NWS New Orleans LA
Effective: Fri January 16, 2026, 9:06 AM
Expires: Sat January 17, 2026, 1:15 AM
...The Flood Warning continues for the following rivers in Mississippi...Louisiana... Pearl River Near Pearl River affecting Pearl River and Hancock Counties in Mississippi and St. Tammany Parish in Louisiana. For the Lower Pearl River...including Pearl River...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Pearl River near Pearl River. * WHEN...Until just after midnight tonight. * IMPACTS...At 14.0 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. * ADDITIONAL DETAILS... - At 8:00 AM CST Friday the stage was 14.6 feet. - Bankfull stage is 12.0 feet. - Forecast...The river is expected to fall below flood stage late this afternoon and continue falling to 9.6 feet Monday, January 26. - Flood stage is 14.0 feet. - http://www.weather.gov/safety/flood
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Caution is urged when walking near riverbanks. 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 late tonight at 115 AM CST.
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.51 μg/m3
Sulphur Dioxide: 2.4 μg/m3
Ozone: 62.72 μg/m3
Astronomical
Sun Transit: 12:07 AM
Sunset: 5:20 PM
Daylight: 10 hrs 25 mins
Moon Transit: 10:23 AM
Moonset: 3:20 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.5%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:53 AM - 12:23 AM
Minor Periods
2:50 PM - 4:20 PM4:57 AM - 6:27 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.06 μg/m3
Sulphur Dioxide: 3.03 μg/m3
Ozone: 74.64 μg/m3
Astronomical
Sun Transit: 12:07 AM
Sunset: 5:21 PM
Daylight: 10 hrs 26 mins
Moon Transit: 11:15 AM
Moonset: 4:19 PM
Moon Phase: New
Moon Illumination: 0.2%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:45 AM - 1:15 PM
Minor Periods
3:49 PM - 5:19 PM5:46 AM - 7:16 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 12.27 μg/m3
Sulphur Dioxide: 4.1 μg/m3
Ozone: 57.92 μg/m3
Astronomical
Sun Transit: 12:07 AM
Sunset: 5:22 PM
Daylight: 10 hrs 28 mins
Moon Transit: 12:07 AM
Moonset: 5:19 PM
Moon Phase: New
Moon Illumination: 2.5%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:37 AM - 2:07 PM
Minor Periods
4:49 PM - 6:19 PM6:30 AM - 8:00 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:08 AM
Sunset: 5:22 PM
Daylight: 10 hrs 29 mins
Moon Transit: 12:56 AM
Moonset: 6:20 PM
Moon Phase: New
Moon Illumination: 0.4%
Best Times for Fishing or Hunting
Major Periods
12:07 AM - 2:37 AM12:26 AM - 2:56 PM
Minor Periods
5:50 PM - 7:20 PM7:08 AM - 8:38 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:08 AM
Sunset: 5:23 PM
Daylight: 10 hrs 30 mins
Moon Transit: 1:43 PM
Moonset: 7:21 PM
Moon Phase: New
Moon Illumination: 3.1%
Best Times for Fishing or Hunting
Major Periods
12:56 AM - 3:26 AM1:13 PM - 3:43 PM
Minor Periods
6:51 PM - 8:21 PM7:43 AM - 9:13 AM
Action Rating: 3 out of 5