Click on button above to view PA Watches/Warnings/Special Wx Statements.


Union county, PA Weather and Climate Synopsis

To access other UK Agricultural Weather Center Pages use the pull-down menu below.

(Click image to zoom) or Click Here

36 Hr. Forecast Map
All Radar images NOAA/UKAWC
Satellite images from NOAA

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





US Weekly Rainfall Departure



US Weekly Temperature Departure
Also see:




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



Regional Weather Summary
National Weather Service State College PA
634 PM EDT Mon Mar 18 2024

Areas west of I99 and north of I80 will have multiple rounds of 
snow flurries/showers through Thursday. The southeast will have 
variable cloudiness, but will generally stay dry through the same
period. Colder then normal temperatures through Wednesday morning will
be more uncomfortable with gusty west to northwest winds.

Snow accumulation will be confined to the higher elevations of 
the northern and western mountains. Just a few inches of snow will
build up over the next few days in the lake effect snow belt with
just an occasional dusting to an inch in the Laurel Highlands and
northern Alleghenies.

Lows tonight will be below freezing everywhere across the 
Commonwealth, running between the lower 20s in the northwest to
the lower 30s in the piedmont region. Highs on Tuesday will be
slightly milder running from the mid 30s across the northern tier
counties to the mid 40s across the southern tier counties. Expect
milder temperatures on Wednesday before turning colder again
Thursday

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

Precision Agriculture Weather Forecast For UNION County


For Your Farm PointAgCast...Click here.

Hourly Observations For UNION county
500 AM EDT TUE MAR 19 2024

Eastern Pennsylvania
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
Philadelphia   PTCLDY    36  21  54 W9        29.80F WCI  29          
Allentown      CLOUDY    34  18  52 NW14G22   29.76S WCI  25          
Scranton       CLOUDY    31  21  66 NW9G21    29.76R WCI  23          

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


Current Agricultural Weather Conditions in Pennsylvania
Based on observations at 500am EDT, Tuesday March 19, 2024

Across Pennsylvania...temperatures are near 30 degrees west, near 30 degrees central, and near 36 degrees east. Current sky conditions are cloudy west, partly cloudy central, and partly cloudy east. In the west, relative humidity is near 75%, and the dew point is near 23 degrees. In the central part of the state, relative humidity is near 63%, and the dew point is near 19 degrees. In the east, relative humidity is near 54%, and the dew point is near 21 degrees. Winds are coming from the west at 12 mph with gusts at 18 mph in the west, where conditions are not favorable for spraying due to strong winds. Winds are coming from the west at 12 mph in the central, where conditions are favorable for spraying. Winds are coming from the west at 9 mph in the east, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 36 degrees at Philadelphia and Harrisburg. The lowest temperature is 24 degrees at Johnstown.


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 UNION County,PA

758 PM EDT Mon Mar 18 2024

 DAY ONE  Tonight.

The probability for widespread hazardous weather is low.

 DAYS TWO THROUGH SEVEN  Tuesday through Sunday.

Windy and dry conditions may lead to dangerous wildfire spread 
conditions Thursday afternoon.

 SPOTTER INFORMATION STATEMENT  

Spotter activation is not expected at this time.

NWS Severe Weather Map , Convective Outlook


7-Day Forecast For UNION County, PA
Issued at 431 AM EDT Tue Mar 19 2024

TODAY
Cloudy. A slight chance of snow showers this afternoon. Highs in the lower 40s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of snow 20 percent.

TONIGHT
Mostly cloudy. A slight chance of snow showers in the evening. Lows in the mid 30s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of snow 20 percent.

WEDNESDAY
Mostly cloudy with a chance of snow or rain showers. Little or no snow accumulation. Highs in the mid 40s. West winds 15 to 20 mph. Gusts up to 35 mph in the afternoon. Chance of precipitation 50 percent.

WEDNESDAY NIGHT
Mostly cloudy with a chance of snow showers in the evening, then partly cloudy after midnight. Little or no snow accumulation. Lows in the mid 20s. West winds 15 to 20 mph with gusts up to 35 mph. Chance of snow 40 percent.

THURSDAY
Mostly sunny. Highs in the upper 30s. Northwest winds 15 to 20 mph with gusts up to 30 mph.

THURSDAY NIGHT
Mostly clear. Lows in the lower 20s.

FRIDAY
Mostly sunny. Highs in the lower 40s.

FRIDAY NIGHT
Rain and snow likely. Not as cool with lows in the lower 30s. Chance of precipitation 70 percent.

SATURDAY
Mostly cloudy with rain likely in the morning, then partly sunny with a chance of rain showers in the afternoon. Highs in the upper 40s. Chance of rain 70 percent.

SATURDAY NIGHT
Partly cloudy. Lows in the mid 20s.

SUNDAY
Sunny. Highs in the lower 40s.

SUNDAY NIGHT
Partly cloudy. Lows in the mid 20s.

MONDAY
Partly sunny. Highs in the upper 40s.

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 
                   MAR 24-28 MAR 26-APR 1    JUN       JUN-AUG                      
                 -----------  -----------  --------  ---------
   Temperature:      Above        Above      Above      Above                      
 Precipitation:      Above        Above      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
Historical Weather And Climate Facts For Today

MARCH 19TH
HISTORIC WEATHER EVENTS
...1950...
Timberline Lodge reported 246 inches of snow on the ground, a record for
the state of Oregon. (The Weather Channel)
...1935...
Suffocating dust storms occurred frequently in southeastern Colorado
between the 12th and the 25th of the month. Six people died, and many
livestock starved or suffocated. Up to six feet of dust covered the ground.
Schools were closed, and many rural homes were deserted by tenants. (The
Weather Channel)
...1956...
The second heavy snowstorm in just three days hit Boston. Nearby Blue Hill
received 19.5 inches contributing to their snowiest March of record. (David
Ludlum)

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