563
FNUS75 KMSO 151316
FWSMSO
SPOT FORECAST FOR NW MT FAIR AM
NATIONAL WEATHER SERVICE MISSOULA MT
716 AM MDT SAT AUG 15 2026
FORECAST IS BASED ON FORECAST START TIME OF 0800 MDT ON AUGUST 15.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
SKIES STAY MOSTLY CLEAR TODAY WITH LIGHT AND
VARIABLE WINDS. CHANCES FOR THUNDERSTORMS WILL INCREASE THIS
EVENING AND OVERNIGHT TONIGHT (ABOUT 10% CHANCE), STARTING AROUND
1700 MDT AND LASTING UNTIL ABOUT MIDNIGHT. A DIRECT HIT FROM A
THUNDERSTORM WILL MEAN GUSTY OUTFLOW WINDS OF ABOUT 30-40 MPH,
SMALL HAIL, BRIEF HEAVY RAIN, AND FREQUENT LIGHTNING. SUNDAY WILL
START OUT IN A SIMILAR FASHION AS TODAY, THOUGH THERE WILL BE
BETTER CHANCES FOR SHOWERS AND THUNDERSTORMS IN THE AFTERNOON AND
EVENING (ABOUT 20% CHANCE).
REST OF TODAY
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG EARLY IN THE
MORNING.
* CHANCE OF PRECIP....0 PERCENT.
* CHANCE LIGHTNING....5 PERCENT.
* MAX TEMPERATURE.....77-82.
* MIN HUMIDITY........31-36 PERCENT.
* WIND (20 FT)........VARIABLE 1-3 MPH BECOMING SOUTHEAST AROUND 5
MPH LATE IN THE AFTERNOON.
* PRECIP AMOUNT.......0.00 INCHES.
TIME (MDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........29 15 12 13 9 15 16 17 20 24
WEATHER COV.....PTY
WEATHER TYPE....FOG
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 5
TEMP............50 55 61 66 70 73 75 77 78 78
RH..............100 88 78 69 61 55 50 45 41 39
SURFACE WND DIR.NW NW N N N NE E SE SE SE
SURFACE WND SPD.1 1 1 1 1 2 2 3 3 5
SURFACE WND GST.5 5 5 5 5 5 10 10 10 10
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF PRECIP....10 PERCENT.
* CHANCE LIGHTNING....10 PERCENT.
* MIN TEMPERATURE.....47-52.
* MAX HUMIDITY........87-92 PERCENT.
* WIND (20 FT)........VARIABLE 1-3 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........39 63 74 78 57 46 18 32 36 32 38 26
WEATHER COV..... PTY
WEATHER TYPE.... FOG
TSTM COV........
CHC OF PCPN (%).10 10 10 10 10 10 0 0 0 0 0 0
CHC OF LTNG (%).10 10 10 10 10 10 0 0 0 0 0 0
TEMP............79 77 75 68 64 61 59 57 56 55 53 51
RH..............38 41 46 54 63 72 78 79 81 83 86 92
SURFACE WND DIR.SE SE N N S S SE W W W W NW
SURFACE WND SPD.3 2 0 0 1 1 1 1 1 1 1 1
SURFACE WND GST.10 5 5 5 5 5 5 5
SUNDAY
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY FOG EARLY IN THE
MORNING. 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.....78-83.
* MIN HUMIDITY........36-41 PERCENT.
* WIND (20 FT)........VARIABLE 1-3 MPH BECOMING SOUTH AROUND 5 MPH
LATE IN THE AFTERNOON.
* PRECIP AMOUNT.......0.00 INCHES.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........59 59 59 43 43 43 75 75 75 78 78 78
WEATHER COV.....PTY PTY SCH SCH SCH SCH
WEATHER TYPE....FOG FOG RN RW RW RW
TSTM COV........ SCH SCH SCH
CHC OF PCPN (%).0 0 0 0 0 0 10 10 20 20 20 20
CHC OF LTNG (%).0 0 0 0 0 0 10 10 10 20 20 20
TEMP............51 50 54 59 65 69 73 75 77 78 79 78
RH..............92 92 88 76 68 60 54 50 47 44 42 42
SURFACE WND DIR.N N N N N N SE SE SE S S S
SURFACE WND SPD.0 0 0 0 0 0 3 3 3 5 5 5
SURFACE WND GST. 5 5 5 10 10 10 10 10 10
FORECASTER...MESSINA
REQUESTED BY...MICHAEL HINGISS
TYPE OF REQUEST...OTHER
.TAG 2619534.3/MSO
.DELDT 08/15/26
.FORMATTERVERSION 2.0.0
.EMAIL SNUNNALLY@FLATHEADCOUNTY.GOV,KHANSBERRY@FLATHEADCOUNTY.GOV
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