820  
FNUS71 KCTP 211957  
FWSCTP  
 
SPOT FORECAST FOR SGL 290 GRASS FIELDS...PGC  
NATIONAL WEATHER SERVICE STATE COLLEGE PA  
357 PM EDT SAT MAR 21 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 EDT ON MARCH 22.  
 
IF CONDITIONS BECOME UNREPRESENTATIVE, OR IF YOU HAVE QUESTIONS OR  
CONCERNS WITH THIS FORECAST, CONTACT THE NATIONAL WEATHER SERVICE  
IN STATE COLLEGE.  
 
   
DISCUSSION  
 
* HIGH CLOUDS INCREASING FROM NORTHWEST TO SOUTHEAST ACROSS THE  
DISTRICT LATE TODAY AND TONIGHT.  
* WARMER WITH RAIN AND THUNDERSTORMS SUNDAY AFTERNOON INTO SUNDAY  
NIGHT; RAIN/SNOW MIX IN THE NORTHERN TIER LATE SUNDAY NIGHT.  
* BREEZY AND MUCH COOLER MONDAY WITH PRECIP ENDING BY THE  
AFTERNOON.  
   
SUNDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING,  
THEN SLIGHT CHANCE OF THUNDERSTORMS EARLY IN  
THE EVENING. RAIN SHOWERS EARLY IN THE EVENING.  
MIN TEMPERATURE.....AROUND 40.  
MAX HUMIDITY........93 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS AROUND 5 MPH EARLY IN THE  
EVENING BECOMING LIGHT, THEN BECOMING NORTH 5  
TO 7 MPH WITH GUSTS TO AROUND 17 MPH LATE IN  
THE EVENING. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS IN THE EVENING.  
MIXING HEIGHT.......700 FT AGL.  
TRANSPORT WINDS.....NORTH 8 TO 17 MPH INCREASING TO 17 TO 18 MPH  
OVERNIGHT.  
CHANCE OF THUNDER...41 PERCENT.  
LVORI...............4.  
ADI.................8 TO 21.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%)........... 69 76 90 90 92 94 95 95 96 95 95 94  
WEATHER COV....... CHC CHC DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF  
WEATHER TYPE...... RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV.......... CHC CHC SCH SCH SCH  
CHC OF THDR (%)... 40 40 20 20 20 10 10 10 0 0 0 0  
TEMP.............. 73 70 67 64 61 59 56 53 51 49 48 46  
RH................ 57 63 68 75 81 80 86 89 93 93 89 89  
20 FT WIND DIR.... N NW N N N N N N N N N N  
20 FT WIND SPD.... 5 5 4 4 4 5 5 6 6 6 6 7  
20 FT WIND GUST... 12 11 10 10 11 12 13 13 14 14 16 17  
MIX HGT (KFT)..... 1.7 1.0 0.7 1.0 1.3 1.5 1.6 1.6 1.6 1.6 1.7 1.7  
TRANSP WIND DIR... NW N N N N N N N N N N N  
TRANSP WIND SPD... 13 10 8 9 13 17 18 18 17 17 17 18  
LVORI............. 2 3 3 4 4 4 4 5 5 5 4 4  
ADI............... 8 8 8 12 12 12 12 12 12 21 21 21  
   
MONDAY  
 
SKY/WEATHER.........CLOUDY (90-100 PERCENT) THEN BECOMING MOSTLY  
SUNNY (30-40 PERCENT). RAIN SHOWERS EARLY IN  
THE MORNING.  
MAX TEMPERATURE.....AROUND 50.  
MIN HUMIDITY........44 PERCENT.  
WIND (20 FT)........NORTH WINDS 8 TO 10 MPH WITH GUSTS TO AROUND 20  
MPH.  
MIXING HEIGHT.......6400 FT AGL.  
TRANSPORT WINDS.....NORTH 20 TO 22 MPH.  
CHANCE OF THUNDER...1 PERCENT.  
LVORI...............3.  
ADI.................45 EARLY IN THE MORNING INCREASING TO 100 IN  
THE AFTERNOON.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%)........... 94 94 58 51 44 37 30 24 17 16 15 14  
WEATHER COV....... DEF DEF  
WEATHER TYPE...... RW RW  
TSTM COV..........  
CHC OF THDR (%)... 0 0 0 0 0 0 0 0 0 0 0 0  
TEMP.............. 44 42 41 41 42 44 46 47 48 49 50 49  
RH................ 89 86 82 79 73 65 58 56 51 48 44 44  
20 FT WIND DIR.... N N N N N N N N N N NW NW  
20 FT WIND SPD.... 8 8 9 10 10 10 10 9 9 9 9 9  
20 FT WIND GUST... 18 19 20 20 20 19 19 18 18 18 18 18  
MIX HGT (KFT)..... 1.8 2.0 2.3 2.5 2.8 3.3 3.8 4.5 5.1 5.8 6.3 6.4  
TRANSP WIND DIR... N N N N N N N N N N N N  
TRANSP WIND SPD... 20 21 22 22 21 21 21 21 21 21 22 21  
LVORI............. 4 4 3 3 3 1 1 1 1 1 1 1  
ADI............... 45 45 45 69 69 69 86 86 86 100 100 100  
   
MONDAY NIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT).  
MIN TEMPERATURE.....AROUND 31.  
MAX HUMIDITY........66 PERCENT.  
WIND (20 FT)........NORTH WINDS 5 TO 8 MPH WITH GUSTS TO AROUND 18  
MPH IN THE EVENING BECOMING LIGHT.  
MIXING HEIGHT.......700 FT AGL.  
TRANSPORT WINDS.....NORTH 9 TO 18 MPH DECREASING TO 6 TO 8 MPH  
OVERNIGHT.  
CHANCE OF THUNDER...0 PERCENT.  
LVORI...............3 IN THE EVENING AND OVERNIGHT.  
ADI.................4 TO 12 IN THE EVENING AND OVERNIGHT.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%)........... 20 27 33 35 37 39 31 24 16 16 15 15  
WEATHER COV.......  
WEATHER TYPE......  
TSTM COV..........  
CHC OF THDR (%)... 0 0 0 0 0 0 0 0 0 0 0 0  
TEMP.............. 48 46 44 42 40 38 37 36 35 34 33 32  
RH................ 44 47 49 51 52 54 54 56 59 61 63 66  
20 FT WIND DIR.... NW N N N N N N N NW NW NW NW  
20 FT WIND SPD.... 8 6 6 5 5 5 4 4 3 3 2 2  
20 FT WIND GUST... 18 16 14 14 13 12 11 10 10 8 8 7  
MIX HGT (KFT)..... 5.6 4.3 3.2 2.7 2.4 2.1 1.7 1.3 1.0 0.8 0.7 0.7  
TRANSP WIND DIR... N N N N N N N N N N N N  
TRANSP WIND SPD... 18 15 12 10 9 9 8 7 6 6 7 7  
LVORI............. 2 2 2 2 2 2 2 3 M M M M  
ADI............... 12 12 12 5 5 5 4 4 4 M M M  
   
TUESDAY  
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
MAX TEMPERATURE.....AROUND 50.  
MIN HUMIDITY........36 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST AROUND 5 MPH  
LATE IN THE AFTERNOON.  
MIXING HEIGHT.......5500 FT AGL.  
TRANSPORT WINDS.....NORTH 7 TO 8 MPH SHIFTING TO THE SOUTHWEST  
AROUND 6 MPH LATE IN THE AFTERNOON.  
CHANCE OF THUNDER...0 PERCENT.  
LVORI...............MISSING.  
ADI.................MISSING.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%)........... 13 12 10 14 17 21 20 19 18 17 16 15  
WEATHER COV.......  
WEATHER TYPE......  
TSTM COV..........  
CHC OF THDR (%)... 0 0 0 0 0 0 0 0 0 0 0 0  
TEMP.............. 31 31 31 33 36 39 42 45 47 48 49 49  
RH................ 69 66 66 61 56 50 45 41 38 37 36 36  
20 FT WIND DIR.... NW NW NW NW NW NW NW W SW SW SW SW  
20 FT WIND SPD.... 2 2 2 2 2 2 3 3 4 5 5 5  
20 FT WIND GUST... 6 6 6 6 6 6 7 7 8 10 10 10  
MIX HGT (KFT)..... 0.7 0.7 1.0 1.8 2.7 3.5 3.9 4.2 4.4 5.0 5.5 5.4  
TRANSP WIND DIR... N N N N N NW NW W W W SW SW  
TRANSP WIND SPD... 7 7 7 7 8 8 7 6 5 6 6 6  
LVORI............. M M M M M M M M M M M M  
ADI............... M M M M M M M M M M M M  
 
 
FORECASTER...LAMBERT  
REQUESTED BY...AARON AYERS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2607010.0/CTP  
.DELDT 03/21/26  
.FORMATTERVERSION 2.0.0  
.EMAIL AAAYERS@PA.GOV  
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