372
FNUS75 KGGW 050227
FWSGGW
SPOT FORECAST FOR HORSESHOE...BLM MCD
NATIONAL WEATHER SERVICE GLASGOW MT
827 PM MDT FRI JUL 4 2025
FORECAST IS BASED ON FORECAST START TIME OF 2100 MDT ON JULY 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE AT (406) 228-9622.
DISCUSSION
CLOUDS WILL CONTINUE TO INCREASE THIS EVENING AS A LIFTING WARM
FRONT MOVES THROUGH THE AREA TONIGHT. INITALLY, EXPECT NORTHEAST WINDS
AND DRY CONDITIONS. VERY LIGHT RAIN SHOWERS AND ISOLATED THUNDERSTORMS
WILL BEGIN AROUND 10PM-MIDNIGHT. GENERAL WINDS WILL STAGNATE OR BECOME
SHOWER DRIVEN WITH THE ARRIVAL OF SHOWERS THIS EVENING. NO WETTING RAINS
ARE EXPECTED WITH THE FIRST WAVE TONIGHT. THE FIRST WAVE OF RAIN WILL
EXIT AROUND 8-10 AM. A SECOND WAVE OF RAIN SHOWERS WITH WETTING RAINS
IS EXPECTED TO ARRIVE AROUND 3-5PM SATURDAY AFTERNOON AND EXIT AROUND
MIDNIGHT. THIS SECOND WAVE HAS A CHANCE FOR SEVERE THUNDERSTORMS WITH
GUSTY WINDS, LARGE HAIL, AND POSSIBLE MUDDY ROADS IN THE AREA IN
THE EVENING HOURS.
REST OF TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS LATE
IN THE EVENING, THEN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS OVERNIGHT.
CWR.................6 PERCENT INCREASING TO 56 PERCENT OVERNIGHT.
CHANCE OF THUNDER...37 PERCENT.
MIN TEMPERATURE.....AROUND 58.
MAX HUMIDITY........71 PERCENT.
WIND (20 FT)........EAST WINDS 6 TO 9 MPH. GUSTS UP TO 21 MPH IN
THE LATE EVENING AND OVERNIGHT. GUSTY AND
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS LATE
IN THE EVENING. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS OVERNIGHT. GUSTY
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
AFTER 3 AM.
MIXING HEIGHT.......900 FT AGL.
TRANSPORT WINDS.....EAST 15 TO 20 MPH.
TIME (MDT) 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........63 73 74 71 85 76 69 61 67
WEATHER COV..... SCH CHC CHC CHC LKY CHC LKY LKY
WEATHER TYPE.... RW RW RW RW RW RW RW RW
TSTM COV........ SCH SCH CHC CHC CHC SCH SCH SCH
CWR.............10 10 10 60 60 60 60 60 60
CHC OF THDR (%).10 20 20 40 40 40 20 20 20
TEMP............76 72 70 69 67 65 63 61 60
RH..............40 47 49 50 53 58 61 67 71
20 FT WIND DIR..NE NE NE NE E E E E E
20 FT WIND SPD..9 9 8 8 8 7 7 7 6
20 FT WIND GUST.17 17 16 16 16 14 14 14 14
MIX HGT (KFT)...1.2 1.3 0.9 1.1 1.5 1.0 1.5 1.3 1.4
TRANSP WIND DIR.E E E E E E E E E
TRANSP WIND SPD.15 16 20 20 18 17 20 18 17
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). CHANCE OF SHOWERS
IN THE MORNING. SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
CWR.................3 PERCENT INCREASING TO 46 PERCENT IN THE
AFTERNOON.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....AROUND 79.
MIN HUMIDITY........47 PERCENT.
WIND (20 FT)........EAST WINDS 6 TO 8 MPH SHIFTING TO THE NORTH
AROUND 8 MPH EARLY IN THE AFTERNOON, THEN
SHIFTING TO THE NORTHEAST LATE IN THE
AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS.
MIXING HEIGHT.......5300 FT AGL.
TRANSPORT WINDS.....EAST 12 TO 20 MPH.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........73 57 57 66 53 53 30 63 49 26 66 66
WEATHER COV.....CHC CHC SCH SCH SCH CHC CHC LKY
WEATHER TYPE....RW RW RW RW RW RW RW RW
TSTM COV........ CHC CHC CHC
CWR.............0 0 0 0 0 0 50 50 50 50 50 50
CHC OF THDR (%).10 10 10 10 10 10 10 10 10 30 30 30
TEMP............60 61 63 64 68 70 72 74 75 76 76 75
RH..............72 70 64 63 55 52 49 46 45 44 44 46
20 FT WIND DIR..E E E E E E E E N E NE E
20 FT WIND SPD..6 7 7 7 8 8 8 8 8 8 8 8
20 FT WIND GUST.14 14 13 14 14 14 14 14 14 14 14 13
MIX HGT (KFT)...1.5 1.7 2.2 2.6 3.2 3.7 4.5 4.8 5.3 5.3 4.4 3.4
TRANSP WIND DIR.E E E E E E E E E E E E
TRANSP WIND SPD.20 20 20 20 18 16 14 12 12 12 13 12
SATURDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). RAIN SHOWERS IN
THE EVENING. CHANCE OF THUNDERSTORMS THROUGH
THE NIGHT. CHANCE OF RAIN SHOWERS OVERNIGHT.
CWR.................62 PERCENT DECREASING TO 5 PERCENT OVERNIGHT.
CHANCE OF THUNDER...46 PERCENT.
MIN TEMPERATURE.....AROUND 55.
MAX HUMIDITY........93 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 7 MPH IN THE EVENING BECOMING
LIGHT. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS IN THE EVENING AND OVERNIGHT.
GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS AFTER 3 AM.
MIXING HEIGHT.......600 FT AGL.
TRANSPORT WINDS.....EAST 10 TO 13 MPH SHIFTING TO THE WEST 9 TO 10
MPH AFTER 3 AM.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........82 82 82 75 58 58 58 58 58 55 55 55
WEATHER COV.....DEF DEF DEF DEF DEF DEF CHC CHC CHC CHC CHC CHC
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........CHC CHC CHC CHC CHC CHC CHC CHC CHC SCH SCH SCH
CWR.............60 60 60 60 60 60 10 10 10 10 10 10
CHC OF THDR (%).50 50 50 40 40 40 40 40 40 20 20 20
TEMP............73 71 69 65 63 62 61 60 59 58 57 56
RH..............49 57 61 72 77 79 80 83 85 88 91 93
20 FT WIND DIR..E E E E E E W W W W W W
20 FT WIND SPD..7 7 7 5 5 5 4 4 4 3 3 3
20 FT WIND GUST.13 13 13 10 10 10 8 8 8 7 7 7
MIX HGT (KFT)...2.6 1.7 1.2 0.6 0.7 0.7 0.7 0.7 0.6 0.6 0.6 0.6
TRANSP WIND DIR.NE E E E SE S SW SW W W W W
TRANSP WIND SPD.13 10 10 12 9 10 12 12 12 10 10 9
FORECASTER...HICKS
REQUESTED BY...HANNAH
TYPE OF REQUEST...WILDFIRE
.TAG 2517363.0/GGW
.DELDT 07/04/25
.FORMATTERVERSION 2.0.0
.EMAIL MTMCC@FIRENET.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page