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St. Mary Parish, LA Weather and Climate Synopsis

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Weather Summary Hourly Observations Nowcast Agricultural Weather Outlook
7 Day Forecast Medium & Long Range Outlook Almanac Historical Facts





US Weekly Rainfall Departure



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A joint service of the UK Ag Weather Center and the National Weather Service.


National Weather Service Shreveport LA
1138 PM CDT Fri Oct 19 2018

.AVIATION...
For the 20/06Z terminal forecast period, ceilings will 
deteriorate to IFR/LIFR by 20/12Z. Rain over much of the ArkLaTex
will continue to migrate southeastward into deep east Texas and 
north Louisiana through 20/12Z. Light winds will become northeast 
and increase to 10 knots with higher gusts on Saturday with
ceilings gradually improving to MVFR by mid-morning. Otherwise, 
skies to improve to VFR after 20/18Z. /05/

National Ag. Weather Outlook, International Ag. Weather Summary
Current Surface Map, [2nd Source TWC]

Click here for UKAWC Point Agricultural, Lawn & Garden Forecast/Outlook in case of corrupt tables.

Hourly Observations For ST. MARY Parish
100 AM CDT SAT OCT 20 2018

SOUTHWEST LOUISIANA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAKE CHARLES   FAIR      76  75  97 CALM      30.07F                  
6HR MIN TEMP:  76; 6HR MAX TEMP:  80;                                

LAFAYETTE      FAIR      74  73  97 CALM      30.08F                  
6HR MIN TEMP:  74; 6HR MAX TEMP:  81;                                

PATTERSON      FAIR      74  73  97 E3        30.08F                  
6HR MIN TEMP:  74; 6HR MAX TEMP:  77; 6HR PCP: TRACE;                

SALT POINT       N/A    N/A N/A N/A CALM      30.06F                  
NEW IBERIA     FAIR      74  71  91 CALM      30.08F                  
6HR MIN TEMP:  72; 6HR MAX TEMP:  78;                                

CHENAULT AIRPK FAIR      74  73  99 CALM      30.08S                  
6HR MIN TEMP:  73; 6HR MAX TEMP:  78;                                


Current Temperatures, Dewpoint, RH, Wind, Surface 4-Panel


Current Agricultural Weather Conditions in Louisiana
Based on observations at 1200am CDT, Saturday October 20, 2018

Across Louisiana...temperatures are near 62 degrees north, near 71 degrees central, and near 77 degrees south. Current sky conditions are rain north, light rain central, and fair south. In the north, relative humidity is near 100%, and the dew point is near 62 degrees. In the central part of the state, relative humidity is near 92%, and the dew point is near 69 degrees. In the south, relative humidity is near 96%, and the dew point is near 76 degrees. There is patchy fog north. Winds are coming from the southeast at 5 mph in the north, where conditions are not favorable for spraying due to rain. Winds are coming from the northeast at 5 mph in the central, where conditions are not favorable for spraying due to light rain. Winds are calm in the south, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 77 degrees at New Orleans Lakefront and N.O. INTL ARPT. The lowest temperature is 62 degrees at Shreveport.


Current NOWCAST not available:
Nowcasts are not issued routinely during fair weather. Only when
precipitation or other significant weather is occuring in this Parish will these
forecasts be issued. Currently, there is no short term forecast in effect.

All NWS Radars (In near-real time), Current Livestock Heat Stress Index (LSI), Current Wind Chill Map
Hazardous Weather Outlook For ST. MARY County, LA

404 PM CDT Fri Oct 19 2018

 DAY ONE  This Afternoon and Tonight
A slight chance of showers can be expected tonight across much of
the area, with scattered showers and isolated thunderstorms 
possible over the Lakes Region of southeast Texas late tonight. No
severe weather is expected.

 DAYS TWO THROUGH SEVEN  Saturday through Thursday
Scattered showers and a few isolated to widely scattered 
thunderstorms will be possible Saturday. Occasional cloud to 
ground lightning strikes will be the primary hazard, but 
otherwise no severe weather is expected.

Dry weather is forecasted for Saturday night and Sunday. 

An upper level disturbance will slowly approach the Southern
Plains this week. This will bring a chance of showers and
thunderstorms to the area for much of next week. At this time, the
threat for severe weather is low. Heavy rain and frequent 
lightning may occur with some storms.

 SPOTTER INFORMATION STATEMENT  
Spotter activation is not expected at this time.

NWS Severe Weather Map , Convective Outlook


7-Day Forecast For ST. MARY Parish, LA
1218 AM CDT Sat Oct 20 2018

REST OF TONIGHT
Mostly cloudy with a 20 percent chance of showers and thunderstorms. Lows around 70. East winds up to 5 mph.

SATURDAY
Mostly cloudy. Patchy fog in the morning. Slight chance of showers and thunderstorms in the morning, then chance of showers and isolated thunderstorms in the afternoon. Highs in the lower 80s. North winds up to 10 mph. Chance of precipitation 50 percent.

SATURDAY NIGHT
Mostly cloudy. A 20 percent chance of showers in the evening. Lows in the lower 60s. Northeast winds 10 to 15 mph.

SUNDAY
Sunny. Highs in the lower 70s. Northeast winds 10 to 20 mph.

SUNDAY NIGHT
Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 50s. Northeast winds 5 to 15 mph.

MONDAY
Mostly sunny in the morning then becoming mostly cloudy. A 20 percent chance of showers. Highs in the mid 70s.

MONDAY NIGHT
Showers likely. Lows in the lower 60s. Chance of showers 70 percent.

TUESDAY
Showers likely and slight chance of thunderstorms. Highs in the mid 70s. Chance of precipitation 60 percent.

TUESDAY NIGHT
Cloudy with chance of showers and isolated thunderstorms. Lows in the mid 60s. Chance of precipitation 40 percent.

WEDNESDAY
Cloudy with chance of showers and isolated thunderstorms. Highs in the upper 70s. Chance of precipitation 50 percent.

WEDNESDAY NIGHT
Cloudy with chance of showers and isolated thunderstorms. Lows in the upper 60s. Chance of precipitation 50 percent.

THURSDAY
Cloudy with chance of showers and isolated thunderstorms. Highs in the upper 70s. Chance of precipitation 50 percent.

THURSDAY NIGHT
Mostly cloudy with a 50 percent chance of showers. Lows in the mid 60s.

FRIDAY
Mostly cloudy with a 30 percent chance of showers. Highs in the upper 70s.

12-48 Hr Surface Forecast Maps, TWC 4-Panel Surface Forecast, Fire Danger, Day 1 Precip, Day 2 Precip, Days 1-5 Precip, Severe Weather Pot.-Day 1, Day 2


ST. MARY County, Louisiana Agriculture, Lawn & Garden Weather Advisory

Current Weather Advisory is NOT available

Ag. Weather Forecast Parameter Maps:Spraying Conditions , Dewpoint Temperatures, Livestock Heat Stress

Medium & Long Range Outlook For Louisiana

                            LOUISIANA                                                                     
                 ---------------------------------------------
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                   OCT 25-29 OCT 27-NOV 2    OCT       OCT-DEC                      
                 -----------  -----------  --------  ---------
   Temperature:      Below       Normal                                            
 Precipitation:      Above        Above                                            

....  Medium and long range outlooks provided by NCEP/K. Thomas Priddy
5 Day Rainfall Forecast, 6 to 10 Day , 8 to 14 Day , Text, 30-Day Outook, 90-Day Outook, 120-Day Outlook
Almanac Information

Saturday October 20, 2018 the 293th Day of Year

---------------------------------------------------
SUN
Declination -10.680000
Distance 0.999721 AU
Rise 08:15 EDT Set 19:30 EDT
Transit Meridian 13:52 EDT
Civil Twilight Begins 07:52 EDT Ends 19:53 EDT

Calculations made for central point in the state.
Time in ET -- and will vary due to location and
elevation -- Priddy


Historical Weather And Climate Facts For Today

////////////////////////////
OCTOBER 20TH
HISTORIC WEATHER EVENTS
...1770...
An exceedingly great storm struck eastern New England causing extensive
coastal damage from Massachusetts to Maine, and the highest tide in 47
years. (David Ludlum)
...1983...
Remnants of Pacific Hurricane Tico caused extensive flooding in central and
south central Oklahoma. Oklahoma City set daily rainfall records with 1.45
inch on the 19th, and 6.28 inches on the 20th. (17th-21st) (The Weather
Channel)
...1987...
Cold arctic air invaded the Upper Midwest, and squalls in the Lake Superior
snowbelt produced heavy snow in eastern Ashland County and northern Iron
County of Wisconsin. Totals ranged up to 18 inches at Mellen. In the
western U.S., the record high of 69 degrees at Seattle WA was their
twenty-fifth of the year, their highest number of record highs for any
given year. Bakersfield CA reported a record 146 days in a row with daily
highs 80 degrees or above. (The National Weather Summary) (Storm Data)
...1988...
Unseasonably warm weather continued in the western U.S. In California,
afternoon highs of 96 degrees at Redding and Red Bluff were records for the
date. (The National Weather Summary)
...1989...
Forty-nine cities reported record low temperatures for the date as readings
dipped into the 20s and 30s across much of the south central and
southeastern U.S. Lows of 32 degrees at Lake Charles LA and 42 degrees at
Lakeland FL were records for October, and Little Rock AR reported their
earliest freeze of record. Snow blanketed the higher elevations of Georgia
and the Carolinas. Melbourne FL dipped to 47 degrees shortly before
midnight to surpass the record low established that morning. Showers and
thunderstorms brought heavy rain to parts of the northeastern U.S. Autumn
leaves on the ground clogged drains and ditches causing flooding. Up to
4.10 inches of rain soaked southern Vermont in three days. Flood waters
washed 600 feet of railroad track, resulting in a train derailment. (The
National Weather Summary)(Storm Data)


Ag Weather Center, Department of Biosystems & Agricultural Engineering, University of Kentucky