890  
FNUS75 KGGW 221604  
FWSGGW  
 
SPOT FORECAST FOR FORGING STEEL LATE SATURDAY MORNING UPDATE...MT OTH  
NATIONAL WEATHER SERVICE GLASGOW MT  
1004 AM MDT SAT APR 22 2017  
 
FORECAST IS BASED ON INCIDENT TIME OF 1100 MDT ON APRIL 22.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE AT (406) 228-4042.  
   
DISCUSSION
 
LOW PRESSURE IN CENTRAL NORTH DAKOTA HAS A STATIONARY  
FRONT WESTWARD INTO THE MISSOURI RIVER VALLEY IN EASTERN MONTANA.  
THIS BOUNDARY IS CAUSING SOME RAIN SHOWERS ALONG THE HIGHWAY 2 CORRIDOR  
THAT WILL STRETCH INTO THE PLENTYWOOD AREA IN THE AFTERNOON.  
ACCUMULATIONS ARE GENERALLY LESS THAN ONE OR TWO HUNDREDTHS OF AN INCH.  
   
REST OF TODAY
 
 
SKY/WEATHER.........CLOUDY (90-100 PERCENT). A SLIGHT CHANCE OF  
SHOWERS EARLY IN THE AFTERNOON.  
CHANCE OF PCPN......25 PERCENT.  
MAX TEMPERATURE.....49-52.  
MIN HUMIDITY........48-53 PERCENT.  
SURFACE WINDS.......EAST-NORTHEAST WINDS 5 TO 10 MPH WITH GUSTS TO 15 MPH.  
 
TIME (MDT) 11 AM 1 PM 3 PM 5 PM  
SKY (%).........96 96 94 95  
WEATHER COV..... S CHC  
WEATHER TYPE....NONE NONE RNSHWR NONE  
TSTM COV........  
CHC OF PCPN (%).10 10 20 10  
TEMP............47 50 51 50  
RH..............72 61 54 54  
SURFACE WIND....NE 9 NE 9 E 11 E 11  
SURFACE WND GST.12 13 15 14  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (85-95 PERCENT). A SLIGHT CHANCE OF  
LIGHT RAIN LATE IN THE EVENING. A CHANCE OF  
LIGHT RAIN EARLY IN THE MORNING.  
CHANCE OF PCPN......30 PERCENT.  
MIN TEMPERATURE.....32-37.  
MAX HUMIDITY........83-88 PERCENT.  
SURFACE WINDS.......EAST WINDS 10 TO 15 MPH.  
 
TIME (MDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........92 91 88 89 89 90  
WEATHER COV..... S CHC S CHC CHANCE  
WEATHER TYPE....NONE NONE NONE RAIN RAIN RAIN  
TSTM COV........  
CHC OF PCPN (%).10 10 10 20 20 30  
TEMP............49 46 42 39 38 37  
RH..............57 67 76 81 84 87  
SURFACE WIND....E 8 E 8 E 9 E 9 E 10 E 10  
SURFACE WND GST.15 15 15 15 15 15  
   
SUNDAY
 
 
SKY/WEATHER.........CLOUDY (90-100 PERCENT). A SLIGHT CHANCE OF  
LIGHT RAIN OR SNOW IN THE MORNING. A CHANCE OF  
LIGHT RAIN IN THE AFTERNOON.  
CHANCE OF PCPN......30 PERCENT.  
MAX TEMPERATURE.....42-47.  
MIN HUMIDITY........55-60 PERCENT.  
SURFACE WINDS.......EAST WINDS 6 TO 16 MPH.  
 
TIME (MDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........93 94 94 94 93 94  
WEATHER COV.....S CHC S CHC S CHC CHANCE CHANCE CHANCE  
WEATHER TYPE....RAIN RNSN RAIN RAIN RAIN RAIN  
TSTM COV........  
CHC OF PCPN (%).20 20 20 30 30 30  
TEMP............34 34 37 41 42 43  
RH..............88 85 76 65 61 60  
SURFACE WIND....E 10 E 12 E 13 E 15 E 15 E 15  
SURFACE WND GST.20 20 25 25 25 25  
 

 
FORECASTER...FRANSEN  
REQUESTED BY...DISPATCH  
TYPE OF REQUEST...HAZMAT  
.TAG 1707513.0/GGW  
.EMAIL RLAGERQUIST@CO.SHERIDAN.MT.US  
 
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