875  
FNUS75 KGGW 022355  
FWSGGW  
 
SPOT FORECAST FOR STATE LINE RX...USFWS  
NATIONAL WEATHER SERVICE GLASGOW MT  
555 PM MDT SAT MAY 2 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1845 MDT ON MAY 02.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE AT (406) 228-9622.  
   
..RED FLAG WARNING IN EFFECT FROM 10 AM TO 9 PM MDT SUNDAY
 
 
   
DISCUSSION
 
 
UPPER RIDGING CONTINUES TO BRING WARM AND DRY WEATHER. CLOUD COVER  
WILL DECREASE THROUGH THE EVENING AND REMAIN SKY CLEAR UNTIL  
TOMORROW NIGHT. WINDS WILL BE MAINLY NORTH AT 20 - 25 MPH WITH  
BRIEF DIRECTIONAL CHANGES TO NW TO W BEING POSSIBLE. THEN IT WILL  
DIMINISH AFTER 9 PM, BECOMING CALM TO LIGHT WITH VARIABLE DIRECTION.  
SOME DIRECTIONALITY RETURNS BEGINNING BETWEEN 3 AND 6 AM, WITH  
SOUTHEAST WINDS GRADUALLY INCREASING TO 10 MPH BEFORE SUNRISE.  
WEST WINDS QUICKLY INCREASE TO 15 TO 20 MPH AFTER SUNRISE BETWEEN  
7 AND 10 AM, AND CONTINUE TO INCREASE AND SHIFT WEST NORTHWEST  
THROUGH 6PM. PEAK WIND GUSTS DURING THE AFTERNOON HOURS TOMORROW  
WILL BE UP TO 45 MPH IN ISOLATED OCCURRENCES. ALONGSIDE GUSTY  
WINDS, MINIMUM RH VALUES DROP AS LOW AS 15% DURING THE AFTERNOON  
TOMORROW.  
   
REST OF TODAY
 
 
SKY/WEATHER.........CLEAR (0-5 PERCENT).  
CWR.................1 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MIN TEMPERATURE.....MISSING.  
MAX HUMIDITY........66 PERCENT.  
WIND (20 FT)........NORTH WINDS AROUND 16 MPH WITH GUSTS TO AROUND  
26 MPH.  
MIXING HEIGHT.......6400 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 21 MPH.  
 
TIME (MDT) 6PM  
SKY (%).........0  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0  
CHC OF THDR (%).0  
TEMP............62  
RH..............25  
20 FT WIND DIR..N TO W  
20 FT WIND SPD..16  
20 FT WIND GUST.26  
MIX HGT (KFT)...6.4  
TRANSP WIND DIR.N  
TRANSP WIND SPD.21  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR (0-5 PERCENT) THEN BECOMING PARTLY CLOUDY  
(40-50 PERCENT) THEN BECOMING CLEAR (0-5  
PERCENT).  
CWR.................1 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MIN TEMPERATURE.....AROUND 36.  
MAX HUMIDITY........66 PERCENT.  
WIND (20 FT)........NORTH WINDS 7 TO 16 MPH WITH GUSTS TO AROUND 26  
MPH DECREASING TO 5 TO 6 MPH LATE IN THE  
EVENING, THEN BECOMING LIGHT AND VARIABLE OVERNIGHT BECOMING  
SOUTHWEST 5 TO 7 MPH OVERNIGHT.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....NORTH 14 TO 21 MPH DECREASING TO 5 TO 12 MPH IN  
THE LATE EVENING AND OVERNIGHT, THEN SHIFTING  
TO THE SOUTHWEST 6 TO 10 MPH OVERNIGHT.  
 
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........0 45 47 0 0 0 0 0 0 0 0 0  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............62 60 54 50 46 42 40 40 38 37 37 37  
RH..............25 28 37 45 50 56 60 62 65 66 65 66  
20 FT WIND DIR..NW NW NW N N N NW W W SW SW SW  
20 FT WIND SPD..16 15 11 7 6 5 4 4 5 5 6 7  
20 FT WIND GUST.26 23 18 12 10 7 6 6 7 8 10 11  
MIX HGT (KFT)...6.4 5.4 0.9 0.6 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.5  
TRANSP WIND DIR.N N N N N N N N SW SW SW SW  
TRANSP WIND SPD.21 20 14 10 12 8 6 5 6 7 9 10  
   
SUNDAY
 
 
SKY/WEATHER.........SUNNY (5-15 PERCENT) THEN BECOMING PARTLY SUNNY  
(60-70 PERCENT).  
CWR.................2 PERCENT.  
CHANCE OF THUNDER...2 PERCENT.  
MAX TEMPERATURE.....AROUND 74.  
MIN HUMIDITY........16 PERCENT.  
WIND (20 FT)........BREEZY. SOUTHWEST WINDS 9 TO 17 MPH WITH GUSTS  
TO AROUND 25 MPH SHIFTING TO THE WEST 18 TO 25  
MPH WITH GUSTS TO AROUND 35 MPH IN THE LATE  
MORNING AND AFTERNOON.  
MIXING HEIGHT.......9500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 12 TO 18 MPH INCREASING TO NORTHWEST  
33 TO 35 MPH.  
 
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........0 2 17 0 0 0 2 16 76 82 59 52  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............36 41 47 53 61 65 68 70 72 73 74 74  
RH..............66 58 48 40 31 25 22 18 17 16 16 17  
20 FT WIND DIR..SW SW W W W W W W W W W W  
20 FT WIND SPD..9 12 14 17 18 22 24 25 25 25 25 24  
20 FT WIND GUST.14 18 22 25 28 31 33 35 35 35 35 34  
MIX HGT (KFT)...0.5 0.6 0.9 2.0 5.6 7.3 8.1 8.4 9.3 9.5 9.3 9.0  
TRANSP WIND DIR.SW SW W W W W W W NW NW NW NW  
TRANSP WIND SPD.12 15 18 23 28 28 30 31 31 33 33 35  
 

 
FORECASTER...JACKSON  
REQUESTED BY...CODY WHITNEY  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2612355.1/GGW  
.DELDT 05/02/26  
.FORMATTERVERSION 2.0.0  
.EMAIL CODY_WHITNEY@FWS.GOV  
 
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