424  
FNUS75 KTFX 121514  
FWSTFX  
 
SPOT FORECAST FOR PROTECTION DETAIL...UNITED STATES SECRETARY OF THE INTERIOR  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
914 AM MDT SUN JUL 12 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1000 MDT ON JULY 12.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
..RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING
 
 
   
DISCUSSION
 
 
EXPECT PASSING CLOUDS, WITH BREEZY CONDITIONS THIS AFTERNOON.  
TEMPERATURES WILL RISE QUICKLY BETWEEN 12 PM AND 3 PM, (THE DAILY  
AFTERNOON HIGH IS LIKELY TO BE ABOUT 15 DEGREES WARMER THAN THE  
NOON TIME TEMPERATURE TODAY.) THERE IS A 20 PERCENT CHANCE FOR A  
WIND GUST TO EXCEED 40 MPH THIS AFTERNOON. LOOKING DRY TONIGHT,  
BUT A CHANCE FOR THUNDERSTORMS ON MONDAY AFTER 3 PM.  
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY. (30-40 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....98-103.  
MIN HUMIDITY........5-10 PERCENT.  
SURFACE WINDS (MPH).BREEZY. SOUTHWEST WINDS 20 TO 25 MPH.  
WIND GUSTS 30 TO 40 MPH.  
PCPN AMOUNT.........0.00 INCHES.  
SNOWFALL AMOUNT.....0.0 INCHES.  
VISIBILITY..........10.  
 
TIME (MDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........22 19 42 36 45 37 60 60  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0  
CHC OF LTNG (%).0 0 0 0 0 0 0 0  
TEMP............79 82 84 90 96 98 100 99  
RH..............26 21 18 14 11 10 10 10  
SURFACE WND DIR.S S S S S SW SW SW  
SURFACE WND SPD.10 10 15 20 20 25 25 20  
SURFACE WND GST.15 20 25 30 35 35 35 30  
VISIBILITY (SM).10 10 10 10 10 10 10 10  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING  
PARTLY CLOUDY (35-45 PERCENT) AFTER MIDNIGHT.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MIN TEMPERATURE.....58-63.  
MAX HUMIDITY........46-51 PERCENT.  
SURFACE WINDS (MPH).SOUTHWEST WINDS 15 TO 20 MPH SHIFTING TO THE  
NORTHWEST AROUND 10 MPH EARLY IN THE EVENING,  
BECOMING LIGHT (DOWNSLOPE WINDS) AFTER MIDNIGHT.  
PCPN AMOUNT.........0.00 INCHES.  
SNOWFALL AMOUNT.....0.0 INCHES.  
VISIBILITY..........10.  
 
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........55 55 41 43 73 67 64 43 53 23 27 30  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............98 95 89 82 77 76 73 70 68 66 63 62  
RH..............12 16 21 27 31 33 37 40 43 45 48 51  
SURFACE WND DIR.SW SW NW NW NW E SE SE S S S S  
SURFACE WND SPD.20 15 10 10 10 5 5 5 5 5 0 0  
SURFACE WND GST.30 25 20 15 15 10 10 5 5  
VISIBILITY (SM).10 10 10 10 10 10 10 10 10 10 10 10  
 

 
FORECASTER...BRUSDA  
REQUESTED BY...ROBERT ROWLETT  
TYPE OF REQUEST...OTHER  
.TAG 2617257.0/TFX  
.DELDT 07/12/26  
.FORMATTERVERSION 2.0.0  
.EMAIL MTDDC@FIRENET.GOV  
 
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