497
FNUS75 KMSO 161328
FWSMSO
SPOT FORECAST FOR NW MT FAIR AM
NATIONAL WEATHER SERVICE MISSOULA MT
728 AM MDT SUN AUG 16 2026
FORECAST IS BASED ON FORECAST START TIME OF 0800 MDT ON AUGUST 16.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
EXPECT MOSTLY CLEAR SKIES THIS MORNING WITH LIGHT
AND VARIABLE WINDS. CLOUD COVER WILL INCREASE THIS AFTERNOON, AS
WILL CHANCES FOR SHOWERS AND THUNDERSTORMS. THERE WILL BE ABOUT A
30% CHANCE FOR THUNDERSTORMS STARTING AT ABOUT 1600 MDT AND
LASTING THROUGH ABOUT 2000 MDT. A DIRECT HIT FROM A
THUNDERSTORM WILL MEAN GUSTY OUTFLOW WINDS OF ABOUT 30-40 MPH,
SMALL HAIL, HEAVY RAIN, AND FREQUENT LIGHTNING. THUNDERSTORM
CHANCES WILL PERSIST ON MONDAY, THOUGH CHANCES FOR STORMS WILL
ONLY BE ABOUT 10%. PHONE LINES AT NWS MISSOULA HAVE BEEN DOWN. FOR
IMMEDIATE, WEATHER-RELATED CONCERNS, PLEASE CALL NWS GREAT FALLS
AT 406-453-9642.
REST OF TODAY
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN EARLY IN
THE AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE
AFTERNOON, THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE
IN THE AFTERNOON.
* CHANCE OF PRECIP....30 PERCENT.
* CHANCE LIGHTNING....25 PERCENT.
* MAX TEMPERATURE.....78-83.
* MIN HUMIDITY........38-43 PERCENT.
* WIND (20 FT)........VARIABLE 1-3 MPH BECOMING SOUTHEAST AROUND 5
MPH LATE IN THE AFTERNOON.
* PRECIP AMOUNT.......0.08 INCHES.
TIME (MDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........34 43 49 62 41 50 55 77 61 60
WEATHER COV..... SCH SCH CHC CHC SCH
WEATHER TYPE.... RN RN RW RW RW
TSTM COV........ CHC CHC SCH
CHC OF PCPN (%).0 0 0 0 10 20 20 30 30 20
CHC OF LTNG (%).0 0 0 0 10 10 10 30 30 30
TEMP............55 59 65 70 73 76 78 79 79 80
RH..............89 77 68 61 55 51 47 44 43 43
SURFACE WND DIR.NW N N SE SE SE SE SE SE SE
SURFACE WND SPD.1 0 0 1 2 3 3 5 5 5
SURFACE WND GST.5 5 5 10 10 10 10 10
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* CHANCE OF PRECIP....10 PERCENT.
* CHANCE LIGHTNING....UP TO 10 PERCENT.
* MIN TEMPERATURE.....48-53.
* MAX HUMIDITY........84-89 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 (%).........55 37 42 13 18 19 13 25 35 42 50 50
WEATHER COV.....
WEATHER TYPE....
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............78 78 75 69 65 62 60 58 57 56 54 52
RH..............43 45 49 58 66 74 79 82 82 83 85 89
SURFACE WND DIR.SE SE SE NE N N N N N N N N
SURFACE WND SPD.3 2 1 1 0 0 0 0 0 0 0 0
SURFACE WND GST.10 5 5 5 5
MONDAY
* SKY/WEATHER.........MOSTLY CLOUDY.
* CHANCE OF PRECIP....10 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....80-85.
* 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) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........56 71 61 69 70 80 79 79 79 67 67 67
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 10 10 10
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 10 10 10
TEMP............52 51 55 59 65 70 73 76 78 80 81 81
RH..............89 89 86 76 67 60 54 49 44 40 37 36
SURFACE WND DIR.N N N N N E SE SE SE SE SE SE
SURFACE WND SPD.0 0 0 0 0 1 2 2 2 5 5 5
SURFACE WND GST. 5 10 10 10 10 10 10
FORECASTER...MESSINA
REQUESTED BY...MICHAEL HINGISS
TYPE OF REQUEST...OTHER
.TAG 2619534.4/MSO
.DELDT 08/16/26
.FORMATTERVERSION 2.0.0
.EMAIL SNUNNALLY@FLATHEADCOUNTY.GOV,KHANSBERRY@FLATHEADCOUNTY.GOV,JNELSON@FLATHEADCOUNTY.GOV
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