Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT

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FNUS55 KMSO 241012
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Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho
National Weather Service Missoula MT
412 AM MDT Thu May 24 2018


.DISCUSSION...

Idaho: A very wet air mass remains in place over the northern Rockies
for the next week. Afternoon thunderstorms will be an almost daily
occurrence for central Idaho, and storms are expected to be slow moving
and very wet. Relative humidity is not expected to drop below 30 percent
for the next week, but if it does it will only be for a few hours.

Montana: A very wet air mass remains in place over the northern Rockies
for the next week. Afternoon thunderstorms will be an almost daily
occurrence for west central and southwest Montana, and storms are
expected to be slow moving and very wet. In west central and southwest
Montana, relative humidity is not expected to drop below 30 percent for
the next week, but if it does it will only be for a few hours. The
Kootenai National Forest will be the exception, where humidity will drop
into the mid 20s for several hours on Friday.


View Fire Weather Briefing videos on our YouTube channel
at https://www.youtube.com/NWSMissoula

IDZ102-103-251015-
Palouse/Hells Canyon-Clearwater/Nez Perce-
312 AM PDT Thu May 24 2018

.TODAY...
* Sky/Weather.........Partly cloudy. Numerous rain showers.
  Isolated thunderstorms in the afternoon.
* Max Temperature.....75-85 valleys and 65-75 ridges.
* Min Humidity........34-44 percent valleys and 51-61 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Variable less than 7 mph.
*     Ridge Top............Southwest 5-10 mph.
* Haines Index........2 very low.
* LAL.................2.
* CWR (> 0.10 Inch)...20 percent.

.TONIGHT...
* Sky/Weather.........Mostly cloudy then becoming partly cloudy.
  Chance of rain showers and slight chance of thunderstorms.
* Min Temperature.....43-53.
* Max Humidity........90-97 percent valleys and 84-94 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Variable less than 5 mph in the evening
      becoming downslope/downvalley 1-3 mph.
*     Ridge Top............Southwest 5-10 mph.
* LAL.................3.
* CWR (> 0.10 Inch)...10 percent.

.FRIDAY...
* Sky/Weather.........Mostly cloudy. Chance of thunderstorms in the
  afternoon.
* Max Temperature.....80-85 valleys and 65-75 ridges.
* Min Humidity........35-45 percent valleys and 45-55 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Becoming upslope/upvalley 4-8 mph in the
      afternoon.
*     Ridge Top............Southeast up to 5 mph becoming northeast
      late in the afternoon.
* Haines Index........3 very low.
* LAL.................3.
* CWR (> 0.10 Inch)...20 percent in the Palouse/Hells Canyon...and
  40 percent in the Clearwater/Nez Perce.

.SATURDAY...Cooler. Mostly cloudy with chance of rain showers and
thunderstorms. Lows 50-60. Highs 60-70. Northwest winds 5-10 mph.
.SUNDAY...Partly cloudy with chance of rain showers. Lows 45-55. Highs
65-75. Northwest winds 5-10 mph.
.MEMORIAL DAY...Mostly cloudy with chance of rain showers and slight
chance of thunderstorms. Lows 50-60. Highs 70-80. North winds 5-10 mph.
.TUESDAY...Partly cloudy. Slight chance of rain showers and
thunderstorms. Lows 50-60. Highs 70-80.
.WEDNESDAY...Partly cloudy. Chance of rain showers and slight chance of
thunderstorms. Lows 45-55. Highs 65-75.

$$

MTZ104-105-251015-
Kootenai-Flathead/Glacier Park-
412 AM MDT Thu May 24 2018

.TODAY...
* Sky/Weather.........Mostly cloudy. Scattered rain showers.
  Isolated thunderstorms in the afternoon.
* Max Temperature.....75-80 valleys and 60-70 ridges.
* Min Humidity........33-43 percent valleys and 46-56 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Variable less than 7 mph.
*     Ridge Top............West 5-15 mph.
* Haines Index........2 very low.
* LAL.................3.
* CWR (> 0.10 Inch)...20 percent.

.TONIGHT...
* Sky/Weather.........Partly cloudy. Slight chance of rain showers.
* Min Temperature.....40-50.
* Max Humidity........90-95 percent valleys and 81-91 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Southwest 5-10 mph.
*     Ridge Top............West 5-15 mph.
* LAL.................1.
* CWR (> 0.10 Inch)...0 percent.

.FRIDAY...
* Sky/Weather.........Partly cloudy. Slight chance of thunderstorms
  in the afternoon.
* Max Temperature.....80-85 valleys and 65-75 ridges.
* Min Humidity........31-41 percent.
* 20-Foot Winds.......
*     Lower Elevation......Variable less than 7 mph.
*     Ridge Top............Southwest 5-10 mph.
* Haines Index........3 very low.
* LAL.................2.
* CWR (> 0.10 Inch)...0 percent.

.SATURDAY...Cooler. Mostly cloudy with chance of rain showers and
thunderstorms. Lows 45-55. Highs 65-75. Southwest winds 5-10 mph.
.SUNDAY...Mostly cloudy with chance of rain showers and slight chance
of thunderstorms. Lows 45-55. Highs 70-80. West winds 5-10 mph.
.MEMORIAL DAY...Partly cloudy with slight chance of rain showers and
thunderstorms. Lows 45-55. Highs 70-80. Variable winds up to 10 mph.
.TUESDAY...Partly cloudy. Slight chance of rain showers and
thunderstorms. Lows 45-55. Highs 70-80.
.WEDNESDAY...Partly cloudy. Slight chance of rain showers and
thunderstorms. Lows 45-55. Highs 65-75.

$$

MTZ106-108-251015-
West Lolo-East Lolo-
412 AM MDT Thu May 24 2018

.TODAY...
* Sky/Weather.........Mostly cloudy. Scattered rain showers.
  Isolated thunderstorms in the afternoon.
* Max Temperature.....75-80 valleys and 60-70 ridges.
* Min Humidity........30-40 percent valleys and 47-57 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Variable less than 7 mph.
*     Ridge Top............West 5-15 mph.
* Haines Index........2 very low.
* LAL.................3.
* CWR (> 0.10 Inch)...10 percent.

.TONIGHT...
* Sky/Weather.........Partly cloudy. Slight chance of rain showers
  and thunderstorms.
* Min Temperature.....45-50.
* Max Humidity........81-91 percent.
* 20-Foot Winds.......
*     Lower Elevation......West 5-10 mph.
*     Ridge Top............West 5-15 mph decreasing to up to 5 mph
      early in the morning.
* LAL.................2.
* CWR (> 0.10 Inch)...0 percent.

.FRIDAY...
* Sky/Weather.........Partly cloudy. Chance of thunderstorms in the
  afternoon.
* Max Temperature.....75-85 valleys and 70-75 ridges.
* Min Humidity........25-35 percent valleys and 38-48 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Becoming upslope/upvalley 4-8 mph late in
      the afternoon.
*     Ridge Top............West up to 5 mph.
* Haines Index........3 very low.
* LAL.................3.
* CWR (> 0.10 Inch)...10 percent.

.SATURDAY...Cooler. Mostly cloudy with chance of rain showers and
thunderstorms. Lows 50-60. Highs 65-75. Variable winds up to 10 mph.
.SUNDAY...Mostly cloudy with chance of rain showers and slight chance
of thunderstorms. Lows 45-55. Highs 65-75. Northwest winds 5-10 mph.
.MEMORIAL DAY...Mostly cloudy with chance of rain showers and slight
chance of thunderstorms. Lows 45-55. Highs 70-80. North winds 5-10 mph.
.TUESDAY...Mostly cloudy. Slight chance of rain showers and
thunderstorms. Lows 45-55. Highs 70-80.
.WEDNESDAY...Partly cloudy. Chance of rain showers and slight chance of
thunderstorms. Lows 45-55. Highs 65-75.

$$

MTZ107-251015-
Salish and Kootenai Reservation-
412 AM MDT Thu May 24 2018

.TODAY...
* Sky/Weather.........Mostly cloudy. Scattered rain showers.
  Isolated thunderstorms in the afternoon.
* Max Temperature.....75-80 valleys and 60-65 ridges.
* Min Humidity........38-48 percent valleys and 48-58 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Variable less than 7 mph.
*     Ridge Top............West 5-15 mph.
* Haines Index........2 very low.
* LAL.................2.
* CWR (> 0.10 Inch)...10 percent.

.TONIGHT...
* Sky/Weather.........Partly cloudy. Slight chance of rain showers.
* Min Temperature.....45-50.
* Max Humidity........82-92 percent.
* 20-Foot Winds.......
*     Lower Elevation......Southwest 5-10 mph.
*     Ridge Top............West 5-10 mph.
* LAL.................1.
* CWR (> 0.10 Inch)...0 percent.

.FRIDAY...
* Sky/Weather.........Partly cloudy. Chance of thunderstorms in the
  afternoon.
* Max Temperature.....75-80 valleys and 65-70 ridges.
* Min Humidity........34-44 percent.
* 20-Foot Winds.......
*     Lower Elevation......Variable less than 7 mph.
*     Ridge Top............West up to 5 mph.
* Haines Index........3 very low.
* LAL.................3.
* CWR (> 0.10 Inch)...0 percent.

.SATURDAY...Mostly cloudy with chance of rain showers and
thunderstorms. Lows 50-60. Highs 70-80. Variable winds up to 10 mph.
.SUNDAY...Mostly cloudy with chance of rain showers and slight chance
of thunderstorms. Lows 50-60. Highs 70-80. Northwest winds 5-10 mph.
.MEMORIAL DAY...Mostly cloudy with slight chance of rain showers and
thunderstorms. Lows 50-60. Highs 75-85. Variable winds up to 10 mph.
.TUESDAY...Partly cloudy. Chance of rain showers and slight chance of
thunderstorms. Lows 50-60. Highs 75-85.
.WEDNESDAY...Partly cloudy. Chance of rain showers and slight chance of
thunderstorms. Lows 50-60. Highs 70-80.

$$

MTZ109-251015-
Bitterroot-
412 AM MDT Thu May 24 2018

.TODAY...
* Sky/Weather.........Mostly cloudy. Scattered rain showers.
  Isolated thunderstorms in the afternoon.
* Max Temperature.....75-80 valleys and 60-65 ridges.
* Min Humidity........32-42 percent valleys and 50-60 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Variable less than 7 mph.
*     Ridge Top............West 5-10 mph.
* Haines Index........3 very low.
* LAL.................2.
* CWR (> 0.10 Inch)...20 percent.

.TONIGHT...
* Sky/Weather.........Mostly cloudy then becoming partly cloudy.
  Chance of rain showers and slight chance of thunderstorms.
* Min Temperature.....40-50.
* Max Humidity........85-95 percent.
* 20-Foot Winds.......
*     Lower Elevation......Variable less than 5 mph in the evening
      becoming downslope/downvalley 1-3 mph.
*     Ridge Top............Southwest 5-10 mph.
* LAL.................2.
* CWR (> 0.10 Inch)...10 percent.

.FRIDAY...
* Sky/Weather.........Mostly cloudy. Chance of thunderstorms in the
  afternoon.
* Max Temperature.....80-85 valleys and 65-70 ridges.
* Min Humidity........23-33 percent valleys and 34-44 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Variable less than 7 mph.
*     Ridge Top............South up to 5 mph.
* Haines Index........4 low.
* LAL.................3.
* CWR (> 0.10 Inch)...30 percent.

.SATURDAY...Cooler. Mostly cloudy with rain showers likely and chance
of thunderstorms. Lows 45-55. Highs 60-70. Variable winds up to 10 mph.
.SUNDAY...Mostly cloudy with rain showers likely and slight chance of
thunderstorms. Lows 45-55. Highs 60-70. North winds 5-10 mph.
.MEMORIAL DAY...Mostly cloudy with chance of rain showers and slight
chance of thunderstorms. Lows 45-55. Highs 65-75. North winds 5-10 mph.
.TUESDAY...Mostly cloudy. Chance of rain showers and slight chance of
thunderstorms. Lows 45-55. Highs 65-75.
.WEDNESDAY...Partly cloudy. Chance of rain showers and slight chance of
thunderstorms. Lows 45-55. Highs 65-75.

$$

MTZ110-111-251015-
Deerlodge/West Beaverhead-East Beaverhead-
412 AM MDT Thu May 24 2018

.TODAY...
* Sky/Weather.........Mostly cloudy. Chance of rain showers and
  slight chance of thunderstorms.
* Max Temperature.....65-75 valleys and 55-65 ridges.
* Min Humidity........37-47 percent valleys and 46-56 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Southwest 5-15 mph.
*     Ridge Top............Southwest 5-15 mph.
* Haines Index........3 very low.
* LAL.................3.
* CWR (> 0.10 Inch)...30 percent.

.TONIGHT...
* Sky/Weather.........Mostly cloudy then becoming partly cloudy.
  Chance of rain showers and slight chance of thunderstorms.
* Min Temperature.....40-45.
* Max Humidity........89-96 percent valleys and 83-93 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Southwest 5-15 mph until early morning
      becoming downslope/downvalley 2-5 mph.
*     Ridge Top............Southwest 5-15 mph.
* LAL.................3.
* CWR (> 0.10 Inch)...10 percent in the Deerlodge/West
  Beaverhead...and 30 percent in the East Beaverhead.

.FRIDAY...
* Sky/Weather.........Partly cloudy. Chance of thunderstorms in the
  afternoon.
* Max Temperature.....70-80 valleys and 60-70 ridges.
* Min Humidity........29-39 percent.
* 20-Foot Winds.......
*     Lower Elevation......Variable less than 7 mph.
*     Ridge Top............South 5-15 mph.
* Haines Index........4 low.
* LAL.................3.
* CWR (> 0.10 Inch)...10 percent.

.SATURDAY...Mostly cloudy with chance of rain showers and
thunderstorms. Lows 45-55. Highs 65-75. South winds 10-15 mph.
.SUNDAY...Mostly cloudy with chance of rain showers and thunderstorms.
Lows 45-55. Highs 60-70. North winds 5-10 mph.
.MEMORIAL DAY...Mostly cloudy with chance of rain showers and slight
chance of thunderstorms. Lows 40-50. Highs 60-70. North winds 5-15 mph.
.TUESDAY...Mostly cloudy. Chance of rain showers and thunderstorms.
Lows 40-50. Highs 60-70.
.WEDNESDAY...Mostly cloudy. Chance of rain showers and slight chance of
thunderstorms. Lows 40-50. Highs 65-75.

$$


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