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

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FNUS55 KBYZ 270928
FWFBYZ

Fire Weather Planning Forecast for SCen and SErn Montana
National Weather Service Billings MT
328 AM MDT Sun May 27 2018

.DISCUSSION...
Look for cooler conditions today across the districts with a
good chance of showers and thunderstorms. Areas from the Big
Horns eastward could see heavy rain and isolated severe storms.
Rainy conditions with seasonably cool temps continue into Monday.
By Tuesday, warmer temps and the usual pattern of isolated to
scattered showers and late day thunderstorms will return. BT

MTZ123-272215-
Gallatin National Forest-
328 AM MDT Sun May 27 2018

.Today...
* Sky/weather...........Mostly cloudy. Scattered rain showers in
  the morning...then Scattered rain showers and thunderstorms in
  the afternoon.
* Max temperature.......60-70 at 5000 feet...51-61 at 7000 feet.
*   24 hr trend.........14 degrees cooler.
* Min humidity..........57-67 percent at 5000 feet...59-69 percent
  at 7000 feet.
*   24 hr trend.........38 percent wetter.
* Wind (20 ft)
*  Slope/valley.........Northeast winds 5 to 15 mph.
*  Ridgetop.............East 15 to 25 mph.
* LAL...................1...no thunderstorms.
* CWR...................50 percent.
* Haines index..........3.

.TONIGHT...
* Sky/weather...........Scattered thunderstorms in the evening.
  Mostly cloudy with Scattered rain showers.
* Min temperature.......43-50 at 5000 feet...36-46 at 7000 feet.
*   24 hr trend.........2 degrees cooler.
* Max humidity..........95-100 percent.
*   24 hr trend.........2 percent wetter.
* Wind (20 ft)
*  Slope/valley.........East winds 5 to 10 mph.
*  Ridgetop.............East 15 to 25 mph.
* LAL...................1...no thunderstorms.
* CWR...................20 percent.

.MONDAY...
* Sky/weather...........Mostly cloudy. Scattered rain showers in
  the morning...then Numerous rain showers with isolated
  thunderstorms in the afternoon.
* Max temperature.......60-70 at 5000 feet...51-61 at 7000 feet.
*   24 hr trend.........1 degree cooler.
* Min humidity..........50-60 percent at 5000 feet...56-66 percent
  at 7000 feet.
*   24 hr trend.........9 percent drier.
* Wind (20 ft)
*  Slope/valley.........Northeast winds 5 to 10 mph.
*  Ridgetop.............Northeast 5 to 15 mph.
* LAL...................2...1 to 8 strikes/15 min/cell.
* CWR...................40 percent.
* Haines index..........2.


.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 43 to 50. West winds 5 to 10 mph.
.TUESDAY...Partly cloudy. Scattered showers with isolated
thunderstorms. Lows 42 to 50. Highs 65 to 74. West winds 5 to
10 mph.
.WEDNESDAY...Mostly cloudy. Numerous showers and thunderstorms
likely. Lows 42 to 52. Highs 66 to 76. South winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. Numerous showers with isolated
thunderstorms. Lows 42 to 52. Highs 61 to 69. South winds 5 to
10 mph.
.FRIDAY...Mostly cloudy. Numerous showers with isolated
thunderstorms. Lows 40 to 50. Highs 60 to 67.
.SATURDAY...Partly sunny. Scattered showers with isolated
thunderstorms. Highs 60 to 68.

$$

MTZ124-272215-
Wheatland County/Sweet Grass County-
328 AM MDT Sun May 27 2018

.Today...
* Sky/weather...........Mostly cloudy. Isolated rain showers in the
  morning...then Scattered rain showers and thunderstorms in the
  afternoon.
* Max temperature.......69-74.
*   24 hr trend.........5 degrees cooler.
* Min humidity..........48-53 percent.
*   24 hr trend.........11 percent wetter.
* Wind (20 ft)
*  Plains...............North winds 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................20 percent.
* Haines index..........2.

.TONIGHT...
* Sky/weather...........Mostly cloudy. Scattered rain showers and
  thunderstorms in the evening...then Isolated rain showers
  overnight.
* Min temperature.......48-53.
*   24 hr trend.........2 degrees cooler.
* Max humidity..........87-92 percent.
*   24 hr trend.........3 percent drier.
* Wind (20 ft)
*  Plains...............East winds 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................20 percent.

.MONDAY...
* Sky/weather...........Mostly cloudy with Scattered rain showers.
  Isolated thunderstorms in the afternoon.
* Max temperature.......67-72.
*   24 hr trend.........2 degrees cooler.
* Min humidity..........46-51 percent.
*   24 hr trend.........2 percent drier.
* Wind (20 ft)
*  Plains...............East winds 5 to 10 mph.
* LAL...................2...1 to 8 strikes/15 min/cell.
* CWR...................20 percent.
* Haines index..........2.


.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 48 to 53. South winds 5 to 15 mph.
.TUESDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 47 to 52. Highs 72 to 77. Northwest winds 5 to 15 mph.
.WEDNESDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 46 to 51. Highs 72 to 77. Southwest winds 5 to 15 mph.
.THURSDAY...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 47 to 52. Highs 63 to 68. Northeast winds
5 to 15 mph.
.FRIDAY...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 45 to 50. Highs 64 to 69.
.SATURDAY...Partly sunny. Scattered showers and thunderstorms.
Highs 66 to 71.

$$

MTZ125-272215-
Stillwater County-
328 AM MDT Sun May 27 2018

.Today...
* Sky/weather...........Cloudy. Scattered rain showers in the
  morning...then Scattered rain showers and thunderstorms in the
  afternoon.
* Max temperature.......64-69.
*   24 hr trend.........11 degrees cooler.
* Min humidity..........56-61 percent.
*   24 hr trend.........19 percent wetter.
* Wind (20 ft)
*  Plains...............Northwest winds 5 to 10 mph in the
   morning...becoming northeast 5 to 15 mph in the afternoon.
* LAL...................1...no thunderstorms.
* CWR...................50 percent.
* Haines index..........2.

.TONIGHT...
* Sky/weather...........Scattered thunderstorms in the evening.
  Cloudy with Scattered rain showers.
* Min temperature.......48-53.
*   24 hr trend.........3 degrees cooler.
* Max humidity..........88-93 percent.
*   24 hr trend.........2 percent wetter.
* Wind (20 ft)
*  Plains...............North winds 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................40 percent.

.MONDAY...
* Sky/weather...........Mostly cloudy with Numerous rain showers.
  Isolated thunderstorms in the afternoon.
* Max temperature.......60-65.
*   24 hr trend.........4 degrees cooler.
* Min humidity..........58-63 percent.
*   24 hr trend.........2 percent wetter.
* Wind (20 ft)
*  Plains...............North winds 5 to 10 mph.
* LAL...................2...1 to 8 strikes/15 min/cell.
* CWR...................50 percent.
* Haines index..........2.


.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 49 to 54. Southwest winds 5 to 10 mph.
.TUESDAY...Warmer. Mostly cloudy. Isolated showers and
thunderstorms. Lows 48 to 53. Highs 71 to 76. West winds 5 to
15 mph.
.WEDNESDAY...Partly cloudy. Scattered showers with isolated
thunderstorms. Lows 49 to 54. Highs 75 to 80. Southwest winds
5 to 15 mph.
.THURSDAY...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 49 to 54. Highs 67 to 72. Northeast winds
5 to 10 mph.
.FRIDAY...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 47 to 52. Highs 66 to 71.
.SATURDAY...Partly sunny. Scattered showers and thunderstorms.
Highs 66 to 71.

$$

MTZ126-272215-
Beartooth Ranger District Custer National Forest-
328 AM MDT Sun May 27 2018

.Today...
* Sky/weather...........Cloudy. Scattered rain showers in the
  morning...then Numerous rain showers and thunderstorms likely in
  the afternoon.
* Max temperature.......61-69 at 5000 feet...51-61 at 7000 feet.
*   24 hr trend.........15 degrees cooler.
* Min humidity..........56-66 percent at 5000 feet...65-75 percent
  at 7000 feet.
*   24 hr trend.........42 percent wetter.
* Wind (20 ft)
*  Slope/valley.........North winds 5 to 15 mph.
*  Ridgetop.............East 15 to 25 mph.
* LAL...................1...no thunderstorms.
* CWR...................60 percent.
* Haines index..........2.

.TONIGHT...
* Sky/weather...........Cloudy. Thunderstorms likely in the
  evening...then Numerous rain showers overnight. Some
  thunderstorms may produce heavy rainfall in the evening.
* Min temperature.......48-53 at 5000 feet...39-48 at 7000 feet.
*   24 hr trend.........4 degrees cooler.
* Max humidity..........87-97 percent at 5000 feet...90-99 percent
  at 7000 feet.
*   24 hr trend.........4 percent wetter.
* Wind (20 ft)
*  Slope/valley.........North winds 5 to 15 mph.
*  Ridgetop.............East 10 to 20 mph.
* LAL...................1...no thunderstorms.
* CWR...................50 percent.

.MONDAY...
* Sky/weather...........Mostly cloudy. Scattered rain showers in
  the morning...then Numerous rain showers with isolated
  thunderstorms in the afternoon.
* Max temperature.......56-62 at 5000 feet...47-57 at 7000 feet.
*   24 hr trend.........2 degrees cooler.
* Min humidity..........63-73 percent at 5000 feet...69-79 percent
  at 7000 feet.
*   24 hr trend.........6 percent drier.
* Wind (20 ft)
*  Slope/valley.........North winds 5 to 15 mph.
*  Ridgetop.............North 5 to 15 mph.
* LAL...................2...1 to 8 strikes/15 min/cell.
* CWR...................50 percent.
* Haines index..........2.


.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 47 to 52. Northwest winds 5 to 10 mph.
.TUESDAY...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 47 to 52. Highs 64 to 74. Northwest winds
5 to 15 mph.
.WEDNESDAY...Partly cloudy. Scattered showers with isolated
thunderstorms. Lows 48 to 54. Highs 71 to 80. Southwest winds
5 to 15 mph.
.THURSDAY...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 48 to 54. Highs 68 to 76. Southwest winds
5 to 10 mph.
.FRIDAY...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 44 to 52. Highs 66 to 73.
.SATURDAY...Partly sunny. Scattered showers and thunderstorms.
Highs 61 to 71.

$$

MTZ127-272215-
Golden Valley County/Musselshell county-
328 AM MDT Sun May 27 2018

.Today...
* Sky/weather...........Mostly cloudy. Isolated rain showers in the
  morning...then Isolated rain showers and thunderstorms in the
  afternoon.
* Max temperature.......68-73.
*   24 hr trend.........5 degrees cooler.
* Min humidity..........52-57 percent.
*   24 hr trend.........10 percent wetter.
* Wind (20 ft)
*  Plains...............North winds 10 to 20 mph. Gusts up to 30 mph
   in the afternoon.
* LAL...................1...no thunderstorms.
* CWR...................20 percent.
* Haines index..........3.

.TONIGHT...
* Sky/weather...........Mostly cloudy. Isolated rain showers and
  thunderstorms in the evening...then Scattered rain showers
  overnight.
* Min temperature.......50-55.
*   24 hr trend.........5 degrees cooler.
* Max humidity..........78-83 percent.
*   24 hr trend.........7 percent drier.
* Wind (20 ft)
*  Plains...............North winds 10 to 20 mph.
* LAL...................1...no thunderstorms.
* CWR...................30 percent.

.MONDAY...
* Sky/weather...........Mostly cloudy with Numerous rain showers.
  Isolated thunderstorms in the afternoon.
* Max temperature.......60-65.
*   24 hr trend.........8 degrees cooler.
* Min humidity..........61-66 percent.
*   24 hr trend.........9 percent wetter.
* Wind (20 ft)
*  Plains...............North winds 5 to 15 mph.
* LAL...................2...1 to 8 strikes/15 min/cell.
* CWR...................50 percent.
* Haines index..........2.


.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 52 to 57. West winds 5 to 15 mph.
.TUESDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 51 to 56. Highs 69 to 74. Northwest winds 10 to 20 mph with
gusts to around 30 mph.
.WEDNESDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 52 to 57. Highs 73 to 78. South winds 5 to 15 mph.
.THURSDAY...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 52 to 57. Highs 64 to 69. Northeast winds
5 to 15 mph.
.FRIDAY...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 50 to 55. Highs 63 to 68.
.SATURDAY...Partly sunny. Scattered showers and thunderstorms.
Highs 64 to 69.

$$

MTZ128-272215-
Yellowstone County-
328 AM MDT Sun May 27 2018

.Today...
* Sky/weather...........Mostly cloudy. Scattered rain showers in
  the morning...then Scattered rain showers and thunderstorms in
  the afternoon.
* Max temperature.......71-76.
*   24 hr trend.........9 degrees cooler.
* Min humidity..........50-55 percent.
*   24 hr trend.........26 percent wetter.
* Wind (20 ft)
*  Plains...............North winds 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................30 percent.
* Haines index..........3.

.TONIGHT...
* Sky/weather...........Scattered thunderstorms in the evening.
  Mostly cloudy with Scattered rain showers.
* Min temperature.......52-57.
*   24 hr trend.........3 degrees cooler.
* Max humidity..........86-91 percent.
*   24 hr trend.........1 percent drier.
* Wind (20 ft)
*  Plains...............North winds 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................40 percent.

.MONDAY...
* Sky/weather...........Mostly cloudy with Numerous rain showers.
  Isolated thunderstorms in the afternoon.
* Max temperature.......63-68.
*   24 hr trend.........8 degrees cooler.
* Min humidity..........61-66 percent.
*   24 hr trend.........11 percent wetter.
* Wind (20 ft)
*  Plains...............North winds 5 to 15 mph.
* LAL...................2...1 to 8 strikes/15 min/cell.
* CWR...................50 percent.
* Haines index..........2.


.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 51 to 56. Northwest winds 5 to 10 mph.
.TUESDAY...Warmer. Mostly cloudy. Isolated showers and
thunderstorms. Lows 51 to 56. Highs 74 to 79. West winds 5 to
15 mph.
.WEDNESDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 52 to 57. Highs 79 to 84. South winds 5 to 15 mph.
.THURSDAY...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 52 to 57. Highs 71 to 76. Northeast winds
5 to 15 mph.
.FRIDAY...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 50 to 55. Highs 71 to 76.
.SATURDAY...Partly sunny. Scattered showers and thunderstorms.
Highs 69 to 74.

$$

MTZ129-272215-
Crow Indian Reservation/Bighorn Canyon Rec Area-
328 AM MDT Sun May 27 2018

.Today...
* Sky/weather...........Mostly cloudy. Scattered rain showers in
  the morning...then Scattered thunderstorms in the afternoon. Some
  thunderstorms may produce heavy rainfall in the afternoon.
* Max temperature.......59-69 at 5000 feet...53-60 at 7000 feet.
*   24 hr trend.........12 degrees cooler.
* Min humidity..........63-73 percent at 5000 feet...72-79 percent
  at 7000 feet.
*   24 hr trend.........32 percent wetter.
* Wind (20 ft)
*  Slope/valley.........Northwest winds 15 to 25 mph. Gusts up to 30
   mph in the afternoon.
*  Ridgetop.............North 15 to 25 mph.
* LAL...................1...no thunderstorms.
* CWR...................50 percent.
* Haines index..........2.

.TONIGHT...
* Sky/weather...........Cloudy. Thunderstorms in the evening...then
  rain showers overnight. Some thunderstorms may produce heavy
  rainfall in the evening.
* Min temperature.......46-53 at 5000 feet...43-48 at 7000 feet.
*   24 hr trend.........3 degrees cooler.
* Max humidity..........92-97 percent at 5000 feet...95-100 percent
  at 7000 feet.
*   24 hr trend.........5 percent wetter.
* Wind (20 ft)
*  Slope/valley.........North winds 10 to 20 mph. Gusts up to 30 mph
   in the evening.
*  Ridgetop.............Northeast 15 to 25 mph.
* LAL...................5...more than 25 strikes/15 min/cell.
* CWR...................80 percent.

.MONDAY...
* Sky/weather...........Mostly cloudy. Rain showers in the
  morning...then Numerous rain showers with isolated thunderstorms
  in the afternoon.
* Max temperature.......54-64 at 5000 feet...49-55 at 7000 feet.
*   24 hr trend.........8 degrees cooler.
* Min humidity..........70-80 percent at 5000 feet...78-85 percent
  at 7000 feet.
*   24 hr trend.........11 percent wetter.
* Wind (20 ft)
*  Slope/valley.........Northwest winds 10 to 20 mph.
*  Ridgetop.............Northeast 10 to 20 mph.
* LAL...................2...1 to 8 strikes/15 min/cell.
* CWR...................70 percent.
* Haines index..........2.


.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 46 to 51. West winds 5 to 15 mph.
.TUESDAY...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 46 to 53. Highs 64 to 74. West winds 10 to
20 mph with gusts to around 30 mph.
.WEDNESDAY...Partly cloudy. Lows 48 to 54. Highs 71 to 81. South
winds 5 to 15 mph.
.THURSDAY...Mostly cloudy. Isolated showers and thunderstorms.
Lows 49 to 54. Highs 66 to 76. Northeast winds 5 to 15 mph.
.FRIDAY...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 45 to 54. Highs 65 to 75.
.SATURDAY...Partly sunny. Scattered showers and thunderstorms.
Highs 60 to 70.

$$

MTZ130-272215-
Northern Rosebud/Northern Treasure Counties-
328 AM MDT Sun May 27 2018

.Today...
* Sky/weather...........Mostly cloudy. Isolated rain showers in the
  morning...then Scattered rain showers and thunderstorms in the
  afternoon.
* Max temperature.......75-80.
*   24 hr trend.........8 degrees cooler.
* Min humidity..........54-59 percent.
*   24 hr trend.........16 percent wetter.
* Wind (20 ft)
*  Plains...............North winds 10 to 20 mph.
* LAL...................1...no thunderstorms.
* CWR...................20 percent.
* Haines index..........3.

.TONIGHT...
* Sky/weather...........Thunderstorms likely in the evening. Mostly
  cloudy with Numerous rain showers.
* Min temperature.......56-61.
*   24 hr trend.........3 degrees cooler.
* Max humidity..........87-92 percent.
*   24 hr trend.........3 percent drier.
* Wind (20 ft)
*  Plains...............North winds 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................60 percent.

.MONDAY...
* Sky/weather...........Mostly cloudy with Numerous rain showers.
  Isolated thunderstorms in the afternoon.
* Max temperature.......66-71.
*   24 hr trend.........9 degrees cooler.
* Min humidity..........68-73 percent.
*   24 hr trend.........14 percent wetter.
* Wind (20 ft)
*  Plains...............Northeast winds 5 to 15 mph.
* LAL...................2...1 to 8 strikes/15 min/cell.
* CWR...................70 percent.
* Haines index..........2.


.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 53 to 58. West winds 5 to 10 mph.
.TUESDAY...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 52 to 57. Highs 74 to 79. Northwest winds
10 to 20 mph with gusts to around 30 mph.
.WEDNESDAY...Partly cloudy. Lows 53 to 58. Highs 80 to 85.
Southeast winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 55 to 60. Highs 77 to 82. North winds 5 to
10 mph.
.FRIDAY...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 53 to 58. Highs 73 to 78.
.SATURDAY...Partly sunny. Scattered showers and thunderstorms.
Highs 69 to 74.

$$

MTZ131-272215-
Northern Cheyenne Indian Reservation/Ashland Ranger District
Custer Natl Forest-
328 AM MDT Sun May 27 2018

.Today...
* Sky/weather...........Mostly cloudy. Scattered rain showers in
  the morning...then Scattered thunderstorms in the afternoon. Some
  thunderstorms may produce heavy rainfall in the afternoon.
* Max temperature.......71-76.
*   24 hr trend.........19 degrees cooler.
* Min humidity..........60-65 percent.
*   24 hr trend.........37 percent wetter.
* Wind (20 ft)
*  Slope/valley.........Northwest winds 15 to 25 mph. Gusts up to 30
   mph in the afternoon.
*  Ridgetop.............North 20 to 35 mph.
* LAL...................1...no thunderstorms.
* CWR...................40 percent.
* Haines index..........3.

.TONIGHT...
* Sky/weather...........Cloudy. Thunderstorms in the evening...then
  rain showers overnight. Some thunderstorms may produce heavy
  rainfall in the evening.
* Min temperature.......54-59.
*   24 hr trend.........2 degrees cooler.
* Max humidity..........93-98 percent.
*   24 hr trend.........6 percent wetter.
* Wind (20 ft)
*  Slope/valley.........North winds 10 to 20 mph. Gusts up to 30 mph
   in the evening.
*  Ridgetop.............Northeast 15 to 30 mph.
* LAL...................5...more than 25 strikes/15 min/cell.
* CWR...................80 percent.

.MONDAY...
* Sky/weather...........Mostly cloudy. Numerous rain showers in the
  morning...then Scattered rain showers with isolated thunderstorms
  in the afternoon.
* Max temperature.......63-68.
*   24 hr trend.........8 degrees cooler.
* Min humidity..........70-75 percent.
*   24 hr trend.........10 percent wetter.
* Wind (20 ft)
*  Slope/valley.........North winds 5 to 15 mph.
*  Ridgetop.............Northeast 10 to 20 mph.
* LAL...................2...1 to 8 strikes/15 min/cell.
* CWR...................50 percent.
* Haines index..........2.


.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 49 to 54. Northwest winds 5 to 15 mph.
.TUESDAY...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 48 to 53. Highs 70 to 75. West winds 5 to
15 mph.
.WEDNESDAY...Mostly clear. Lows 49 to 54. Highs 80 to 85. South
winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. Isolated showers and thunderstorms.
Lows 51 to 56. Highs 78 to 83. North winds 5 to 15 mph.
.FRIDAY...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 49 to 54. Highs 76 to 81.
.SATURDAY...Partly sunny. Scattered showers with isolated
thunderstorms. Highs 69 to 74.

$$

MTZ132-272215-
Custer County-
328 AM MDT Sun May 27 2018

.Today...
* Sky/weather...........Mostly cloudy. Isolated rain showers in the
  morning...then Scattered rain showers and thunderstorms in the
  afternoon.
* Max temperature.......74-79.
*   24 hr trend.........12 degrees cooler.
* Min humidity..........55-60 percent.
*   24 hr trend.........26 percent wetter.
* Wind (20 ft)
*  Plains...............North winds 10 to 20 mph.
* LAL...................1...no thunderstorms.
* CWR...................20 percent.
* Haines index..........3.

.TONIGHT...
* Sky/weather...........Mostly cloudy. Numerous rain showers and
  thunderstorms likely in the evening...then rain showers
  overnight.
* Min temperature.......56-61.
*   24 hr trend.........1 degree cooler.
* Max humidity..........89-94 percent.
*   24 hr trend.........4 percent wetter.
* Wind (20 ft)
*  Plains...............Northeast winds 10 to 20 mph.
* LAL...................1...no thunderstorms.
* CWR...................70 percent.

.MONDAY...
* Sky/weather...........Mostly cloudy with Numerous rain showers.
  Isolated thunderstorms in the afternoon.
* Max temperature.......68-73.
*   24 hr trend.........6 degrees cooler.
* Min humidity..........67-72 percent.
*   24 hr trend.........12 percent wetter.
* Wind (20 ft)
*  Plains...............Northeast winds 10 to 20 mph.
* LAL...................2...1 to 8 strikes/15 min/cell.
* CWR...................50 percent.
* Haines index..........2.


.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 52 to 57. Southeast winds 5 to 10 mph.
.TUESDAY...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 52 to 57. Highs 69 to 74. Northwest winds
5 to 15 mph.
.WEDNESDAY...Mostly clear. Lows 54 to 59. Highs 78 to 83. South
winds 5 to 15 mph.
.THURSDAY...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 56 to 61. Highs 77 to 82. East winds 5 to
15 mph.
.FRIDAY...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 52 to 58. Highs 75 to 80.
.SATURDAY...Partly sunny. Scattered showers with isolated
thunderstorms. Highs 68 to 73.

$$

MTZ133-272215-
Sioux Ranger District Custer National Forest-
328 AM MDT Sun May 27 2018

.Today...
* Sky/weather...........Mostly cloudy. Isolated rain showers and
  thunderstorms in the morning.
* Max temperature.......77-82.
*   24 hr trend.........10 degrees cooler.
* Min humidity..........47-52 percent.
*   24 hr trend.........19 percent wetter.
* Wind (20 ft)
*  Plains...............North winds 10 to 20 mph. Gusts up to 30 mph
   in the afternoon.
* LAL...................2...1 to 8 strikes/15 min/cell.
* CWR...................Less than 10 percent.
* Haines index..........3.

.TONIGHT...
* Sky/weather...........Mostly cloudy. Scattered thunderstorms in
  the evening...then rain showers overnight. Some thunderstorms may
  be severe.
* Min temperature.......55-60.
*   24 hr trend.........1 degree cooler.
* Max humidity..........100 percent.
*   24 hr trend.........14 percent wetter.
* Wind (20 ft)
*  Plains...............Northeast winds 10 to 20 mph.
* LAL...................5...more than 25 strikes/15 min/cell.
* CWR...................70 percent.

.MONDAY...
* Sky/weather...........Mostly cloudy with Scattered rain showers.
  Isolated thunderstorms in the afternoon.
* Max temperature.......72-77.
*   24 hr trend.........5 degrees cooler.
* Min humidity..........55-60 percent.
*   24 hr trend.........8 percent wetter.
* Wind (20 ft)
*  Plains...............East winds 10 to 20 mph.
* LAL...................2...1 to 8 strikes/15 min/cell.
* CWR...................30 percent.
* Haines index..........3.


.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 52 to 57. Southwest winds 5 to 15 mph.
.TUESDAY...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 51 to 56. Highs 69 to 74. West winds 5 to
15 mph.
.WEDNESDAY...Mostly clear. Lows 51 to 56. Highs 79 to 84. North
winds 5 to 15 mph.
.THURSDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 53 to 58. Highs 81 to 86. Southeast winds 5 to 15 mph.
.FRIDAY...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 52 to 57. Highs 78 to 83.
.SATURDAY...Mostly sunny. Scattered showers with isolated
thunderstorms. Highs 71 to 76.

$$

WYZ274-272215-
Sheridan County-
328 AM MDT Sun May 27 2018

.Today...
* Sky/weather...........Mostly cloudy. Scattered rain showers in
  the morning...then Scattered thunderstorms in the afternoon. Some
  thunderstorms may produce heavy rainfall in the afternoon.
* Max temperature.......67-72.
*   24 hr trend.........15 degrees cooler.
* Min humidity..........65-70 percent.
*   24 hr trend.........24 percent wetter.
* Wind (20 ft)
*  Slope/valley.........Northwest winds 10 to 20 mph.
*  Ridgetop.............North 15 to 25 mph.
* LAL...................1...no thunderstorms.
* CWR...................40 percent.
* Haines index..........2.

.TONIGHT...
* Sky/weather...........Cloudy. Thunderstorms in the evening...then
  rain showers overnight. Some thunderstorms may produce heavy
  rainfall in the evening.
* Min temperature.......51-56.
*   24 hr trend.........2 degrees cooler.
* Max humidity..........93-98 percent.
*   24 hr trend.........5 percent wetter.
* Wind (20 ft)
*  Slope/valley.........Northwest winds 10 to 20 mph.
*  Ridgetop.............North 15 to 25 mph.
* LAL...................5...more than 25 strikes/15 min/cell.
* CWR...................80 percent.

.MONDAY...
* Sky/weather...........Mostly cloudy. Numerous rain showers in the
  morning...then Scattered rain showers with isolated thunderstorms
  in the afternoon.
* Max temperature.......63-68.
*   24 hr trend.........4 degrees cooler.
* Min humidity..........68-73 percent.
*   24 hr trend.........3 percent wetter.
* Wind (20 ft)
*  Slope/valley.........Northwest winds 5 to 15 mph.
*  Ridgetop.............Northwest 10 to 20 mph.
* LAL...................2...1 to 8 strikes/15 min/cell.
* CWR...................50 percent.
* Haines index..........2.


.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 47 to 52. West winds 5 to 10 mph.
.TUESDAY...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 46 to 51. Highs 69 to 74. Northwest winds
10 to 20 mph with gusts to around 30 mph.
.WEDNESDAY...Partly cloudy. Lows 47 to 52. Highs 79 to 84. South
winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. Isolated showers and thunderstorms.
Lows 49 to 54. Highs 77 to 82. North winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Scattered showers with isolated
thunderstorms. Lows 47 to 52. Highs 76 to 81.
.SATURDAY...Partly sunny. Scattered showers with isolated
thunderstorms. Highs 70 to 75.

$$

WYZ284-272215-
Bighorn National Forest-
328 AM MDT Sun May 27 2018

.Today...
* Sky/weather...........Mostly cloudy. Numerous rain showers in the
  morning...then thunderstorms likely in the afternoon. Some
  thunderstorms may produce heavy rainfall in the afternoon.
* Max temperature.......51-56.
*   24 hr trend.........19 degrees cooler.
* Min humidity..........72-77 percent.
*   24 hr trend.........56 percent wetter.
* Wind (20 ft)
*  At Burgess Jct.......North winds 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................70 percent.
* Haines index..........2.

.TONIGHT...
* Sky/weather...........Cloudy. Thunderstorms in the evening...then
  rain showers overnight. Some thunderstorms may produce heavy
  rainfall in the evening.
* Min temperature.......39-44.
*   24 hr trend.........4 degrees cooler.
* Max humidity..........95-100 percent.
*   24 hr trend.........6 percent wetter.
* Wind (20 ft)
*  At Burgess Jct.......North winds 5 to 15 mph.
* LAL...................5...more than 25 strikes/15 min/cell.
* CWR...................80 percent.

.MONDAY...
* Sky/weather...........Mostly cloudy with Numerous rain showers.
  Isolated thunderstorms in the afternoon.
* Max temperature.......49-54.
*   24 hr trend.........2 degrees cooler.
* Min humidity..........79-84 percent.
*   24 hr trend.........7 percent wetter.
* Wind (20 ft)
*  At Burgess Jct.......Northwest winds 5 to 15 mph.
* LAL...................2...1 to 8 strikes/15 min/cell.
* CWR...................60 percent.
* Haines index..........2.


.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 38 to 43. Northwest winds 5 to 10 mph.
.TUESDAY...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 37 to 42. Highs 54 to 59. Northwest winds
5 to 15 mph.
.WEDNESDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 38 to 43. Highs 62 to 67. Southwest winds 5 to 15 mph.
.THURSDAY...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 41 to 46. Highs 62 to 67. Southwest winds
5 to 15 mph.
.FRIDAY...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 38 to 44. Highs 61 to 66.
.SATURDAY...Mostly sunny. Scattered showers and thunderstorms.
Highs 53 to 58.

$$

weather.gov/billings



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