831  
FNUS75 KBYZ 252010  
FWSBYZ  
 
SPOT FORECAST FOR WEATHER ELEMENT TEST...NWS  
NATIONAL WEATHER SERVICE BILLINGS MT  
210 PM MDT TUE MAR 25 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 1500 MDT ON MARCH 25.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY. SLIGHT CHANCE OF SHOWERS.  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.2 PERCENT.  
MAX TEMPERATURE.....60-64.  
MIN HUMIDITY........43-47 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTH WINDS AROUND 6 MPH.  
 
TIME (MDT) 3PM 4PM 5PM  
SKY (%).........71 58 50  
WEATHER COV.....SCH SCH SCH  
WEATHER TYPE....RW RW RW  
TSTM COV........  
CHC OF LTNG (%).0 0 0  
TEMP............60 61 62  
RH..............45 45 45  
20 FT WIND DIR..N N NE  
20 FT WIND SPD..6 6 6  
20 FT WIND GUST.10 10 10  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY THEN  
BECOMING PARTLY CLOUDY. SLIGHT CHANCE OF RAIN  
SHOWERS EARLY IN THE EVENING.  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.1 PERCENT.  
MIN TEMPERATURE.....38-42.  
MAX HUMIDITY........79-83 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......EAST WINDS 5 TO 6 MPH EARLY IN THE EVENING  
BECOMING LIGHT, THEN BECOMING SOUTHWEST AROUND  
5 MPH AFTER 3 AM.  
 
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........36 25 29 18 29 21 33 43 46 51 50 37  
WEATHER COV.....SCH SCH SCH  
WEATHER TYPE....RW RW RW  
TSTM COV........  
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............61 59 56 52 51 49 47 45 44 43 42 42  
RH..............46 51 59 63 67 70 74 78 80 77 78 76  
20 FT WIND DIR..E E SE SE SE S SW SW SW SW SW SW  
20 FT WIND SPD..6 6 6 5 4 3 3 3 4 5 5 5  
20 FT WIND GUST.10 8 7 6 6 5 4 4 6 6 6 6  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....71-75.  
MIN HUMIDITY........22-26 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 6 MPH SHIFTING TO THE  
NORTH LATE IN THE AFTERNOON.  
 
TIME (MDT) 6 AM 9 AM NOON 3 PM  
SKY (%).........50 41 25 32  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE  
TSTM COV........  
CHC OF LTNG (%).0 0 0 0  
TEMP............41 47 65 72  
RH..............73 60 34 24  
20 FT WIND......SW 5G6 SW 6G7 W 6G10 W 6G7  
 

 
FORECASTER...MIDDENDORF  
REQUESTED BY...VIRGIL MIDDENDORF  
TYPE OF REQUEST...WILDFIRE  
.TAG 2507868.0/BYZ  
.DELDT 03/25/25  
.FORMATTERVERSION 2.0.0  
.EMAIL VIRGIL.MIDDENDORF@NOAA.GOV  
 
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