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Butler county, PA Weather and Climate Synopsis

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Regional Weather Summary
National Weather Service State College PA
640 PM EDT Thu Jul 20 2017

A dwindling band of showers and thunderstorms will push southeast
across the state tonight. Lows tonight will range from the low 
60s across the northern mountains, to the mid 70s in Philadelphia.

High pressure will build into the commonwealth on Friday,
resulting in mostly sunny skies with just a slight chance of a
late day thunderstorm over the western counties. Highs will range
from the upper 70s on the Lake Erie shore, to the low 90s across
the southeast part of the state. 

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

Precision Agriculture Weather Forecast For BUTLER County


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Hourly Observations For BUTLER county
200 AM EDT FRI JUL 21 2017

WESTERN PENNSYLVANIA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ERIE           CLEAR     72  66  81 S6        29.95F                  
MEADVILLE      MOCLDY    73  69  87 CALM      30.00F                  
FRANKLIN*      MOCLDY    70  66  88 S6        30.01F                  
NEW CASTLE     CLOUDY    73  72  96 CALM      29.99F                  
BEAVER COUNTY  NOT AVBL                                               
BUTLER*        CLEAR     72  68  88 SW3       30.01S                  
PITTSBURGH INT MOCLDY    75  72  90 SW5       30.00F                  
PITTSBURGH     PTCLDY    73  69  87 SW7       30.00F                  
INDIANA*       CLEAR     70  70 100 CALM      30.05S FOG              
LATROBE        CLEAR     72  72 100 CALM      30.02F                  
WASHINGTON CO* CLEAR     70  68  94 CALM      30.01F                  

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


Current Agricultural Weather Conditions in Pennsylvania
Based on observations at 200am EDT, Friday July 21, 2017

Across Pennsylvania...temperatures are near 73 degrees west, near 74 degrees central, and near 83 degrees east. Current sky conditions are partly cloudy west, partly cloudy central, and mostly cloudy east. In the west, relative humidity is near 87%, and the dew point is near 69 degrees. In the central part of the state, relative humidity is near 85%, and the dew point is near 69 degrees. In the east, relative humidity is near 60%, and the dew point is near 68 degrees. The livestock heat stress category is no stress west, no stress central, and no stress east. Winds are coming from the southwest at 7 mph in the west, where conditions are favorable for spraying. Winds are coming from the west at 5 mph in the central, where conditions are favorable for spraying. Winds are coming from the southwest at 6 mph in the east, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 83 degrees at Philadelphia. The lowest temperature is 66 degrees at Mount Pocono.


Current NOWCAST not available:
Nowcasts are not issued routinely during fair weather. Only when
precipitation or other significant weather is occuring in this county 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 BUTLER County,PA

415 AM EDT Thu Jul 20 2017

 DAY ONE  Today and Tonight.

Severe thunderstorms are possible this afternoon and evening with 
the primary threat coming from damaging wind. Isolated tornadoes are
possible.

 DAYS TWO THROUGH SEVEN  Friday through Wednesday.

There is a slight chance for severe thunderstorms and flash flooding
on Sunday. Damaging wind is expected to be the primary severe threat.

 SPOTTER INFORMATION STATEMENT  

Weather spotters are encouraged to report significant weather
 conditions according to Standard Operating Procedures.

NWS Severe Weather Map , Convective Outlook


7-Day Forecast For BUTLER County, PA
Issued at 116 AM EDT Fri Jul 21 2017

OVERNIGHT
Mostly cloudy. Near steady temperature in the upper 60s. West winds around 5 mph.

TODAY
Partly sunny in the morning, then becoming partly cloudy. Humid with highs in the upper 80s. West winds around 5 mph.

TONIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Humid with lows in the mid 60s. Northwest winds around 5 mph in the evening, becoming light and variable.

SATURDAY
Considerable cloudiness. A chance of showers in the morning, then showers and thunderstorms likely in the afternoon. Humid with highs in the lower 80s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent.

SATURDAY NIGHT
Showers and thunderstorms likely. Humid with lows in the upper 60s. Southwest winds 5 to 10 mph. Chance of rain 70 percent.

SUNDAY
Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 30 percent.

SUNDAY NIGHT
Mostly cloudy. A chance of showers after midnight. Lows in the mid 60s. Chance of rain 40 percent.

MONDAY
Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent.

MONDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 50s.

TUESDAY
Partly cloudy. Highs in the upper 70s.

TUESDAY NIGHT
Mainly clear. Lows in the upper 50s.

WEDNESDAY
Mostly sunny. Highs around 80.

WEDNESDAY NIGHT
Partly cloudy. Lows around 60.

THURSDAY
Partly cloudy in the morning, then becoming partly sunny. Highs in the lower 80s.

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


Medium & Long Range Outlook For Pennsylvania
                                 PENN                                                                     
                 ---------------------------------------------
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                   JUL 26-30 JUL 28-AUG 3    JUL       JUL-SEP                      
                 -----------  -----------  --------  ---------
   Temperature:      Below       Normal      Above      Above                      
 Precipitation:      Above        Above     Normal     Normal                      

....  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
Historical Weather And Climate Facts For Today

///////////////////////
JULY 21ST...HISTORIC WEATHER EVENTS
...1896...
Shelbyville, Kentucky's wettest day on record, with 7.15 inches of rain.
...1911...
The temperature at Painter WY dipped to 10 degrees to equal the record low
for July for the continental U.S. (The Weather Channel)
...1934...
The temperature reached 109 degrees at Cincinnati OH to cap their hottest
summer of record. The state record for Ohio was established that day with a
reading of 113 degrees near the town of Gallipolis. (David Ludlum)
...1975...
Six inches of rain fell across Mercer County NJ in just ten hours causing
the worst flooding in twenty years. Assunpink Creek crested eleven feet
above flood stage at Hamilton and Trenton, the highest level of record.
Traffic was brought to a standstill, and railway service between New York
City and Washington D.C. was cut off for two days. Flooding left 1000
persons homeless, and caused an estimated 25 million dollars damage. (David
Ludlum)
...1987...
Thunderstorms produced severe weather from Utah to North Dakota, spawning a
dozen tornadoes in North Dakota. Thunderstorms in North Dakota also
produced baseball size hail at Clifford which caused four million dollars
damage, and high winds which toppled a couple of eighty foot towers cutting
off power to the town of Blanchard. (The National Weather Summary) (Storm
Data)
...1988...
While cool air invaded the central U.S., unseasonably hot weather continued
over the western states. The temperature at Spring Valley NV soared from a
morning low of 35 degrees to an afternoon high of 95 degrees. Fallon NV
reported an all-time record high of 108 degrees, and Death Valley CA
reported their sixth straight day of 120 degree heat. (The Weather Channel)
(The National Weather Summary)
...1989...
Afternoon thunderstorms over Florida produced wind gusts to 92 mph at
Jacksonville, damaging thirteen light planes at Herlong Field. Five cities
in Texas reported record low temperatures for the date. Corpus Christi TX
equalled their record low for the date with a reading of 71 degrees, and
then tied their record high for the date that afternoon with a reading of
97 degrees. (The National Weather Summary) (Storm Data)
...2006...
After two week's of very hot weather conditions in Kentucky, cool air from
Canada moved into the Bluegrass state and provided temperatures in the upper 70's
and low 80's. (UKAWC)

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