835
FNUS75 KMSO 211244
FWSMSO
SPOT FORECAST FOR POST MALONE STADIUM CONCERT
NATIONAL WEATHER SERVICE MISSOULA MT
644 AM MDT TUE JUL 21 2026
FORECAST IS BASED ON FORECAST START TIME OF 0800 MDT ON JULY 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
THE PRIMARY WEATHER CONCERN TODAY IS HEAT, WITH
TEMPERATURES WARMING INTO THE MID-90S BY LATE AFTERNOON. PERIODS
OF HIGH CLOUDS WILL MOVE THROUGH MISSOULA TODAY, WITH A MIX OF SUN
AND CLOUDS AT TIMES THROUGH THIS EVENING. A LOW RISK (5 PERCENT)
EXISTS FOR THUNDERSTORMS IN THE VICINITY OF THE CONCERT TODAY AS
ATMOSPHERIC INSTABILITY REMAINS LIMITED. ISOLATED SHOWERS (20%
PROBABILITY) WILL DEVELOP OVER THE HIGHER TERRAIN TODAY, WITH A
WORST CASE SCENARIO OF LIGHT RAIN AT THE CONCERT SHOULD A SHOWER
PASS OVER BETWEEN 500-900PM MDT. EASTERLY WINDS THIS MORNING WILL
SHIFT OUT OF THE NORTH-NORTHWEST BY LATE AFTERNOON INTO THE
EVENING.
REST OF TODAY
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN LATE IN
THE AFTERNOON.
* CHANCE OF PRECIP....20 PERCENT.
* CHANCE LIGHTNING....5 PERCENT.
* MAX TEMPERATURE.....92-97.
* MIN HUMIDITY........20-25 PERCENT.
* WIND (20 FT)........EAST 2-5 MPH THIS MORNING, BECOMING NORTH-
NORTHWEST 4-7 MPH BY LATE AFTERNOON.
* PRECIP AMOUNT.......0.00 INCHES.
TIME (MDT) 8 AM 11 AM 2 PM 5 PM
SKY (%).........38 44 47 44
WEATHER COV.....PATCHY PATCHY PATCHY S CHC
WEATHER TYPE....SMOKE SMOKE SMOKE RAIN
TSTM COV........
CHC OF PCPN (%).0 0 10 20
CHC OF LTNG (%).0 0 10 10
TEMP............65 77 88 93
RH..............65 45 32 27
SURFACE WIND....E 1G5 E 1G5 E 1G5 NW 4G10
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE
EVENING.
* CHANCE OF PRECIP....20 PERCENT.
* CHANCE LIGHTNING....5 PERCENT.
* MIN TEMPERATURE.....60-65.
* MAX HUMIDITY........69-74 PERCENT.
* WIND (20 FT)........VARIABLE 1-3 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
TIME (MDT) 6 PM 9 PM MIDNGT 3 AM
SKY (%).........59 53 48 37
WEATHER COV.....S CHC S CHC PATCHY PATCHY
WEATHER TYPE....RAIN RAIN SMOKE SMOKE
TSTM COV........
CHC OF PCPN (%).20 20 0 0
CHC OF LTNG (%).10 10 0 0
TEMP............94 86 74 70
RH..............26 36 53 60
SURFACE WIND....NW 3G10 NE 3G5 N 0G5 N 0
WEDNESDAY
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN EARLY IN
THE AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN
THE AFTERNOON.
* CHANCE OF PRECIP....20 PERCENT.
* CHANCE LIGHTNING....20 PERCENT.
* MAX TEMPERATURE.....94-99.
* MIN HUMIDITY........22-27 PERCENT.
* WIND (20 FT)........VARIABLE 1-3 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
TIME (MDT) 6 AM 9 AM NOON 3 PM
SKY (%).........40 35 36 56
WEATHER COV.....PATCHY S CHC S CHC
WEATHER TYPE....SMOKE NONE RAIN RNSHWR
TSTM COV........ S CHC
CHC OF PCPN (%).0 0 20 20
CHC OF LTNG (%).0 0 10 20
TEMP............64 70 84 93
RH..............74 59 40 28
SURFACE WIND....N 0 N 0G5 W 2G10 NW 3G10
FORECAST DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. LOWS 61-66. HIGHS 97-102. DIURNAL TERRAIN WINDS TO
10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 61-66. HIGHS 97-102. DIURNAL TERRAIN WINDS TO
10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 60-65. HIGHS 96-101. NORTHWEST WINDS 5-12 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 59-64. HIGHS 93-98.
MONDAY
MOSTLY CLEAR. LOWS 57-62. HIGHS 94-99.
FORECASTER...LUKINBEAL
REQUESTED BY...TIA MEEGAN
TYPE OF REQUEST...OTHER
.TAG 2617539.4/MSO
.DELDT 07/21/26
.FORMATTERVERSION 2.0.0
.EMAIL TIA.MEEGAN@MSO.UMT.EDU
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