Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
862
FNUS55 KMSO 230829
FWFMSO
Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho
National Weather Service Missoula MT
229 AM MDT Thu May 23 2024
.DISCUSSION...
Idaho (Zones 102 and 103): Low pressure is situated over central ID and
southwest MT this morning causing widespread precipitation with snow in
the higher terrain. A second system is expected on Saturday into
Sunday. A ridge of high pressure will build over the region during the
first part of next week causing a warming and drying trend.
Northwest MT (Zones 104 and 105): Low pressure is situated over central
ID and southwest MT this morning causing widespread precipitation with
snow in the higher terrain. A second system is expected on Saturday into
Sunday. A ridge of high pressure will build over the region during the
first part of next week causing a warming and drying trend.
West Central MT (Zones 106, 107 and 108): Low pressure is situated over
central ID and southwest MT this morning causing widespread
precipitation with snow in the higher terrain. A second system is
expected on Saturday into Sunday. A ridge of high pressure will build
over the region during the first part of next week causing a warming and
drying trend.
Southwest MT (Zones 109, 110 and 111): Low pressure is situated over
central ID and southwest MT this morning causing widespread
precipitation with snow in the higher terrain. A second system is
expected on Saturday into Sunday. A ridge of high pressure will build
over the region during the first part of next week causing a warming and
drying trend.
View Fire Weather Briefing videos on our YouTube channel
at https://www.youtube.com/NWSMissoula
IDZ102-103-240830-
Palouse/Hells Canyon-Clearwater/Nez Perce-
129 AM PDT Thu May 23 2024
.TODAY...
* Sky/Weather.........Partly cloudy. Patchy fog in the morning.
Snow and chance of rain. Snow level 5500 feet.
* Max Temperature.....55-65 valleys and 40-50 ridges.
* Min Humidity........47-57 percent valleys and 59-69 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Variable less than 7 mph.
* Ridge Top............West 5-10 mph.
* Haines Index........3 very low.
* LAL.................1.
* CWR (> 0.10 Inch)...10 percent.
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....35-40 valleys and 28-38 ridges.
* Max Humidity........74-84 percent.
* 20-Foot Winds.......
* Lower Elevation......Downslope/downvalley 2-5 mph.
* Ridge Top............Southwest 5-10 mph.
* LAL.................1.
* CWR (> 0.10 Inch)...0 percent.
.FRIDAY...
* Sky/Weather.........Partly cloudy. Slight chance of thunderstorms
in the afternoon. Snow level 7000 feet.
* Max Temperature.....65-75 valleys and 50-60 ridges.
* Min Humidity........33-43 percent valleys and 42-52 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Becoming upslope/upvalley 4-8 mph in the
afternoon.
* Ridge Top............Southwest 5-10 mph.
* Haines Index........3 very low.
* LAL.................2.
* CWR (> 0.10 Inch)...0 percent.
.SATURDAY...Mostly cloudy with chance of rain showers and slight chance
of thunderstorms. Lows 40-50. Highs 55-65. Min humidities
40-50 percent. West winds 10-15 mph.
.SUNDAY...Partly cloudy with chance of rain. Lows 40-50. Highs 60-70.
Min humidities 30-40 percent. West winds 10-15 mph.
.MEMORIAL DAY...Mostly clear. Lows 40-50. Highs 70-80. Southwest winds
5-10 mph.
.TUESDAY...Mostly clear. Lows 45-55. Highs 75-85.
.WEDNESDAY...Cooler. Partly cloudy. Chance of rain and slight chance of
thunderstorms. Lows 50-60. Highs 65-75.
$$
MTZ104-105-240830-
Kootenai-Flathead/Glacier Park-
229 AM MDT Thu May 23 2024
.TODAY...
* Sky/Weather.........Partly cloudy. Slight chance of thunderstorms
in the afternoon. Snow level 6000 feet.
* Max Temperature.....60-65 valleys and 43-53 ridges.
* Min Humidity........37-47 percent valleys and 54-64 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Variable less than 7 mph.
* Ridge Top............North 5-15 mph becoming west in the
afternoon.
* Haines Index........3 very low.
* LAL.................3.
* CWR (> 0.10 Inch)...30 percent.
.TONIGHT...
* Sky/Weather.........Mostly cloudy. Rain showers likely and slight
chance of thunderstorms. Snow level 7000 feet.
* Min Temperature.....35-45.
* Max Humidity........100 percent valleys and 88-98 percent ridges.
* 20-Foot Winds.......
* Lower Elevation......Variable less than 5 mph in the evening
becoming downslope/downvalley 1-3 mph.
* Ridge Top............West 5-15 mph.
* LAL.................3.
* CWR (> 0.10 Inch)...50 percent.
.FRIDAY...
* Sky/Weather.........Mostly cloudy. Chance of rain and snow in the
morning, then chance of rain showers and slight chance of
thunderstorms in the afternoon. Snow level 7000 feet.
* Max Temperature.....60-70 valleys and 45-55 ridges.
* Min Humidity........36-46 percent valleys and 52-62 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 10-15 mph.
* Ridge Top............Southwest 10-15 mph.
* Haines Index........2 very low.
* LAL.................3.
* CWR (> 0.10 Inch)...10 percent in the Kootenai...and 30 percent
in the Flathead/Glacier Park.
.SATURDAY...Partly cloudy with rain showers likely and slight chance of
thunderstorms. Lows 40-50. Highs 55-65. Min humidities 40-50 percent.
Southwest winds 10-15 mph.
.SUNDAY...Mostly cloudy with slight chance of rain. Lows 40-50. Highs
55-65. Min humidities 30-40 percent. Southwest winds 10-20 mph.
.MEMORIAL DAY...Partly cloudy. Lows 40-50. Highs 65-75. Southwest winds
10-20 mph.
.TUESDAY...Mostly clear. Lows 45-55. Highs 70-80.
.WEDNESDAY...Cooler. Partly cloudy. Chance of rain. Lows 45-55. Highs
60-70.
$$
MTZ106-108-240830-
West Lolo-East Lolo-
229 AM MDT Thu May 23 2024
.TODAY...
* Sky/Weather.........Partly cloudy. Patchy fog in the morning.
Chance of rain and snow in the morning. Slight chance of
thunderstorms in the afternoon. Snow level 5500 feet.
* Max Temperature.....55-65 valleys and 43-53 ridges.
* Min Humidity........39-49 percent valleys and 52-62 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......West 5-15 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
and thunderstorms. Snow level 7000 feet.
* Min Temperature.....30-40.
* Max Humidity........80-90 percent.
* 20-Foot Winds.......
* Lower Elevation......Southwest 10-15 mph.
* Ridge Top............Southwest 10-15 mph.
* LAL.................2.
* CWR (> 0.10 Inch)...10 percent.
.FRIDAY...
* Sky/Weather.........Partly cloudy. Slight chance of thunderstorms
in the afternoon. Snow level 7000 feet.
* Max Temperature.....60-70 valleys and 50-60 ridges.
* Min Humidity........29-39 percent valleys and 43-53 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Variable less than 7 mph.
* Ridge Top............Southwest 5-15 mph.
* Haines Index........2 very low.
* LAL.................2.
* CWR (> 0.10 Inch)...10 percent.
.SATURDAY...Partly cloudy with rain showers likely and slight chance of
thunderstorms. Lows 40-50. Highs 55-65. Min humidities 40-50 percent.
West winds 10-15 mph.
.SUNDAY...Partly cloudy with slight chance of rain. Lows 40-50. Highs
55-65. Min humidities 25-35 percent. West winds 10-15 mph.
.MEMORIAL DAY...Partly cloudy. Lows 40-50. Highs 65-75. Southwest winds
10-15 mph.
.TUESDAY...Mostly clear. Lows 45-55. Highs 75-85.
.WEDNESDAY...Cooler. Partly cloudy. Chance of rain. Lows 45-55. Highs
65-75.
$$
MTZ107-240830-
Flathead Reservation-
229 AM MDT Thu May 23 2024
.TODAY...
* Sky/Weather.........Partly cloudy. Chance of snow in the morning.
Slight chance of thunderstorms in the afternoon. Snow level 5500
feet.
* Max Temperature.....60-65 valleys and 40-45 ridges.
* Min Humidity........37-47 percent valleys and 49-59 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Becoming upslope/upvalley 4-8 mph in the
afternoon.
* Ridge Top............North 10-15 mph becoming west 5-15 mph in
the afternoon.
* Haines Index........2 very low.
* LAL.................2.
* CWR (> 0.10 Inch)...10 percent.
.TONIGHT...
* Sky/Weather.........Mostly cloudy. Chance of rain showers and
slight chance of thunderstorms. Snow level 7000 feet.
* Min Temperature.....40-45 valleys and 30-35 ridges.
* Max Humidity........79-89 percent.
* 20-Foot Winds.......
* Lower Elevation......Southwest 10-15 mph.
* Ridge Top............Southwest 10-15 mph.
* LAL.................3.
* CWR (> 0.10 Inch)...20 percent in areas west of Highway 93...and
40 percent in the Mission Mtns and areas east of Highway 93.
.FRIDAY...
* Sky/Weather.........Mostly cloudy. Slight chance of rain in the
morning. Slight chance of thunderstorms in the afternoon. Snow
level 7000 feet.
* Max Temperature.....65-70 valleys and 45-50 ridges.
* Min Humidity........37-47 percent valleys and 49-59 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Variable less than 7 mph.
* Ridge Top............Southwest 5-15 mph becoming west 10-15 mph
in the afternoon.
* Haines Index........2 very low.
* LAL.................2.
* CWR (> 0.10 Inch)...10 percent.
.SATURDAY...Mostly cloudy with chance of rain. Lows 40-50. Highs 60-70.
Min humidities 35-45 percent. Southwest winds 10-15 mph.
.SUNDAY...Mostly cloudy with slight chance of rain. Lows 40-50. Highs
60-70. Min humidities 30-40 percent. Southwest winds 10-15 mph.
.MEMORIAL DAY...Partly cloudy. Lows 40-50. Highs 70-80. Southwest winds
10-15 mph.
.TUESDAY...Mostly clear. Lows 45-55. Highs 75-85.
.WEDNESDAY...Partly cloudy. Chance of rain. Lows 50-60. Highs 70-80.
$$
MTZ109-240830-
Bitterroot-
229 AM MDT Thu May 23 2024
.TODAY...
* Sky/Weather.........Mostly cloudy. Patchy fog in the morning.
Snow and rain. Snow level 5500 feet.
* Max Temperature.....55-60 valleys and 40-45 ridges.
* Min Humidity........45-55 percent valleys and 60-70 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Northwest 5-15 mph.
* Ridge Top............Northwest 5-15 mph.
* Haines Index........2 very low.
* LAL.................1.
* CWR (> 0.10 Inch)...40 percent in the Darby, Sula, and West Fork
Districts...and 20 percent in areas north of Hamilton.
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....25-35.
* Max Humidity........85-95 percent valleys and 79-89 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Downslope/downvalley 2-5 mph.
* Ridge Top............South 5-10 mph.
* LAL.................1.
* CWR (> 0.10 Inch)...0 percent.
.FRIDAY...
* Sky/Weather.........Partly cloudy. Slight chance of thunderstorms
in the afternoon. Snow level 7000 feet.
* Max Temperature.....65-70 valleys and 45-50 ridges.
* Min Humidity........30-40 percent valleys and 40-50 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Variable less than 7 mph.
* Ridge Top............Southwest 5-10 mph.
* Haines Index........3 very low.
* LAL.................2 in the Darby, Sula, and West Fork
Districts...and 1 in areas north of Hamilton.
* CWR (> 0.10 Inch)...0 percent.
.SATURDAY...Mostly cloudy with rain showers likely with possible snow
and thunderstorms. Lows 35-45. Highs 50-60. Min humidities
35-45 percent. West winds 10-15 mph.
.SUNDAY...Mostly cloudy with slight chance of rain, thunderstorms and
snow. Lows 35-45. Highs 55-65. Min humidities 25-35 percent. West winds
10-15 mph.
.MEMORIAL DAY...Mostly clear. Lows 35-45. Highs 65-75. Southwest winds
10-15 mph.
.TUESDAY...Mostly clear. Lows 40-50. Highs 70-80.
.WEDNESDAY...Partly cloudy. Chance of rain. Lows 45-55. Highs 65-75.
$$
MTZ110-111-240830-
Deerlodge/West Beaverhead-East Beaverhead-
229 AM MDT Thu May 23 2024
.TODAY...
* Sky/Weather.........Mostly cloudy. Patchy dense fog and blowing
snow in the morning. Snow. Chance of snow showers, slight chance
of rain and thunderstorms in the afternoon. Snow level 5000 feet.
* Max Temperature.....45-55 valleys and 35-45 ridges.
* Min Humidity........44-54 percent valleys and 53-63 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Northwest 10-20 mph.
* Ridge Top............Northwest 10-20 mph.
* Haines Index........2 very low.
* LAL.................1 in the Deerlodge/West Beaverhead...and 2 in
the East Beaverhead.
* CWR (> 0.10 Inch)...60 percent in the Deerlodge/West
Beaverhead...and 90 percent in the East Beaverhead.
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....25-30.
* Max Humidity........86-94 percent valleys and 79-89 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 5-15 mph.
* Ridge Top............Southwest 5-15 mph.
* LAL.................1.
* CWR (> 0.10 Inch)...0 percent.
.FRIDAY...
* Sky/Weather.........Partly cloudy. Slight chance of thunderstorms
and snow showers in the afternoon. Snow level 7000 feet.
* Max Temperature.....55-65 valleys and 45-50 ridges.
* Min Humidity........24-34 percent valleys and 34-44 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 5-15 mph.
* Ridge Top............Southwest 5-15 mph.
* Haines Index........3 very low.
* LAL.................2.
* CWR (> 0.10 Inch)...10 percent.
.SATURDAY...Mostly cloudy with rain showers likely with possible snow
and thunderstorms. Lows 35-45. Highs 50-60. Min humidities
35-45 percent. West winds 10-15 mph.
.SUNDAY...Partly cloudy with chance of rain showers, slight chance of
thunderstorms and snow. Lows 35-45. Highs 55-65. Min humidities
25-35 percent. West winds 10-15 mph.
.MEMORIAL DAY...Mostly clear. Lows 35-45. Highs 65-75. Southwest winds
10-15 mph.
.TUESDAY...Mostly clear. Lows 40-50. Highs 70-80.
.WEDNESDAY...Partly cloudy. Chance of rain showers and slight chance of
thunderstorms. Lows 45-55. Highs 65-75.
$$