Spot Forecast
Issued by NWS Missoula, MT

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676
FNUS75 KMSO 142214
FWSMSO

Spot Forecast for Mason 18
National Weather Service Missoula MT
414 PM MDT Tue May 14 2024

Forecast is based on forecast start time of 1700 PDT on May 14.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...Gusty westerly winds will persist through the
evening and decrease around sunset then become variable after
midnight. The area appears to be close to reaching its max
temperature and min humidity for the day should remain near
current readings through 1900 PDT. Slightly warmer and drier
conditions are expected for Wednesday with similar timing and
strength of winds.


.REST OF TODAY...

* Sky/Weather.........Partly cloudy.
* CWR (> 0.10 Inch)...0 percent.
* Chance Lightning....0 percent.
* LAL.................1.
* Max Temperature.....65-67.
* Min Humidity........38-40 percent.
* Wind (20 ft)........West 5-10 mph gusts up to 20 mph.
* Mixing Height.......6500 ft agl.
* Mixing Winds........Northwest 15 mph.
* Precip Amount.......0.00 inches.

TIME (PDT)      5 PM
Sky (%).........35
Weather cov.....
Weather type....NONE
Tstm cov........
CWR.............0
Chc of ltng (%).0
LAL.............1
Temp............66
RH..............39
20 FT wind......W 10G18
Mix hgt (ft)....6500
Transport wind..NW 15
Haines index....2

.TONIGHT...

* Sky/Weather.........Mostly clear.
* CWR (> 0.10 Inch)...0 percent.
* Chance Lightning....0 percent.
* LAL.................1.
* Min Temperature.....44-49.
* Max Humidity........77-82 percent.
* Wind (20 ft)........West 5-10 mph in the evening becoming
  variable 2-5 mph after midnight.
* Mixing Height.......6000 ft agl decreasing to 500 ft agl early in
  the evening.
* Mixing Winds........Northwest 15 mph shifting to the west 5 mph
  in the late evening and overnight, then shifting to the south 5
  mph early in the morning.
* Precip Amount.......0.00 inches.

TIME (PDT)      5 PM      8 PM      11 PM     2 AM
Sky (%).........35        26        13        20
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
CWR.............0         0         0         0
Chc of ltng (%).0         0         0         0
LAL.............1         1         1         1
Temp............66        60        53        48
RH..............39        54        64        74
20 FT wind......W 10G18   W 6G10    W 5       NW 3G5
Mix hgt (ft)....6500      500       500       500
Transport wind..NW 15     W 5       W 5       W 5
Haines index....2         2         2         2

.WEDNESDAY...

* Sky/Weather.........Partly cloudy.
* CWR (> 0.10 Inch)...0 percent.
* Chance Lightning....0 percent.
* LAL.................1.
* Max Temperature.....68-73.
* Min Humidity........34-39 percent.
* Wind (20 ft)........Variable 3-7 mph becoming west 5-10 mph with
gusts up to 20 mph in the afternoon.
* Mixing Height.......2000 ft agl increasing to 6000 ft agl late in
  the morning.
* Mixing Winds........South 5 mph shifting to the west 15 mph
  in the afternoon.
* Haines Index........2 very low.
* Precip Amount.......0.00 inches.

$$
Forecaster...Smith
Requested by...Grangeville Dispatch
Type of request...WILDFIRE
.TAG 2414194.0/MSO
.DELDT 05/14/24
.FormatterVersion 2.0.0
.EMAIL idgvc@firenet.gov