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


Armstrong 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
623 PM EDT Thu Apr 25 2024

There will be another frost or freeze risk tonight into early 
Friday morning. Low temperatures tonight will range from the upper
20s in the northern tier to the mid and upper 30s in the 
southwestern part of the Commonwealth. 

Rain free conditions with low humidity will prevail across the 
Keystone State Friday. High temperatures will be in the lower 60s
on Friday. Clouds increase Friday night with rain showers likely 
over the western half of the state Saturday morning. 

A couple of sporadic short duration showers remain possible 
Saturday night into Sunday and thunder is not out of the question
in the southeast, but it does not look like a total washout. 

A major warmup is expected with summer-like temperatures Sunday 
and Monday reaching into the 80s across the Commonwealth. 

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

Precision Agriculture Weather Forecast For ARMSTRONG County


For Your Farm PointAgCast...Click here.

Hourly Observations For ARMSTRONG county
500 AM EDT FRI APR 26 2024

WESTERN PENNSYLVANIA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ERIE           CLEAR     36  26  67 NE7       30.34R                  
MEADVILLE      CLEAR     40  22  48 MISG      30.31R                  
FRANKLIN       CLEAR     37  21  52 E8        30.32R                  
NEW CASTLE     CLEAR     32  30  92 NE6       30.30S                  
BEAVER COUNTY  CLEAR     41  27  57 E3        30.28S                  
BUTLER         CLEAR     38  29  70 NE8       30.30R                  
PITTSBURGH INT PTCLDY    42  30  62 NE3       30.27R                  
PITTSBURGH     CLEAR     43  32  65 NE6       30.27R                  
INDIANA*       MOCLDY    39  32  75 E6        30.35R                  
LATROBE        CLEAR     37  34  87 VRB5      30.29S                  
CONNELLSVILLE  NOT AVBL                                               
WASHINGTON CO*   N/A    N/A N/A N/A MISG        N/A                   

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


Current Agricultural Weather Conditions in Pennsylvania
Based on observations at 500am EDT, Friday April 26, 2024

Across Pennsylvania...temperatures are near 43 degrees west, near 37 degrees central, and near 42 degrees east. Current sky conditions are clear west, clear central, and clear east. In the west, relative humidity is near 65%, and the dew point is near 32 degrees. In the central part of the state, relative humidity is near 53%, and the dew point is near 21 degrees. In the east, relative humidity is near 70%, and the dew point is near 33 degrees. Winds are coming from the northeast at 6 mph in the west, where conditions are favorable for spraying. Winds are coming from the north at 6 mph in the central, where conditions are favorable for spraying. Winds are calm in the east, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 43 degrees at pittsburgh. The lowest temperature is 28 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 ARMSTRONG County,PA

334 AM EDT Fri Apr 26 2024

   FROST ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING  

This Hazardous Weather Outlook is for east central Ohio, western 
Pennsylvania and northern West Virginia.

 DAY ONE  Today and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Frost Advisory.

 DAYS TWO THROUGH SEVEN  Saturday through Thursday.

Hazardous weather is not expected at this time.

 SPOTTER INFORMATION STATEMENT  

Spotter activation is not expected at this time.

NWS Severe Weather Map , Convective Outlook


7-Day Forecast For ARMSTRONG County, PA
Issued at 510 AM EDT Fri Apr 26 2024


FROST ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING

TODAY
Areas of frost this morning. Mostly sunny. Highs in the mid 60s. Southeast winds 10 to 15 mph.

TONIGHT
Mainly clear in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the mid 40s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

SATURDAY
Showers likely. Highs in the mid 60s. Southeast winds 10 to 15 mph. Chance of rain 70 percent.

SATURDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A 20 percent chance of showers. Mild. Lows in the mid 50s. South winds 5 to 10 mph.

SUNDAY
Partly cloudy. A chance of showers and thunderstorms in the afternoon. Much warmer with highs around 80. Southwest winds 10 to 15 mph. Chance of rain 30 percent.

SUNDAY NIGHT
Mainly clear. A chance of showers and thunderstorms in the evening. Mild. Lows in the mid 50s. Chance of rain 30 percent.

MONDAY
Mostly sunny. Unseasonably warm with highs in the lower 80s.

MONDAY NIGHT
Partly cloudy. A chance of showers after midnight. Mild. Lows in the upper 50s. Chance of rain 30 percent.

TUESDAY
Showers likely in the morning, then showers with a chance of thunderstorms in the afternoon. Warm with highs in the mid 70s. Chance of rain 80 percent.

TUESDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A chance of thunderstorms. Showers, mainly in the evening. Mild. Lows in the mid 50s. Chance of rain 80 percent.

WEDNESDAY
Partly cloudy. Warm with highs in the upper 70s.

WEDNESDAY NIGHT
Mainly clear. Mild. Lows in the mid 50s.

THURSDAY
Partly cloudy. A chance of showers in the afternoon. Warm with highs in the mid 70s. Chance of rain 40 percent.

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 
                 MAY 1-MAY 5  MAY 3-MAY 9    JUN       JUN-AUG                      
                 -----------  -----------  --------  ---------
   Temperature:      Above        Above                                            
 Precipitation:      Below        Below                                            

....  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

APRIL 26TH
HISTORIC WEATHER EVENTS
...1834...
Killer frosts were reported in the Deep South. The frost was quite severe
around Huntsville AL, and highlighted a backward spring in the South that
year. (David Ludlum)
...1978...
An unusually strong occluded front swept out of the Gulf of Alaska and
produced the first April thunderstorm of record at Fairbanks. Pea size hail
fell northeast of Fairbanks from thunderstorms whose tops were less than
8000 feet. (The Weather Channel)
...1984...
Severe thunderstorms associated with an intense cyclone spawned a total of
forty-seven tornadoes in two days from Louisiana to Upper Michigan. The
tornadoes killed 16 persons and injured 259 others. (Storm Data)


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