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

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000
FNUS55 KBYZ 212128
FWFBYZ

Fire Weather Planning Forecast for SCen and SErn Montana
National Weather Service Billings MT
328 PM MDT Mon Aug 21 2017

.DISCUSSION...

Warm and dry for the next several days with high pressure in place
across the area and no rain chances. Humidity values will remain
in the teens to low 20 percent range each afternoon through
Wednesday. Thunderstorm chances increase Thursday and Friday
afternoon as a cold front moves through the region. Additional
lightning starts caused by thunderstorms Thur/Fri could become
enhanced by stronger winds behind the front on Friday. Walsh

MTZ123-221015-
Gallatin National Forest-
328 PM MDT Mon Aug 21 2017

.Tonight...
* Sky/weather...........Clear.
* Min temperature.......44-54 at 5000 feet...39-49 at 7000 feet.
*   24 hr trend.........3 degrees warmer.
* Max humidity..........54-64 percent.
*   24 hr trend.........1 percent drier.
* Wind (20 ft)
*  Slope/valley.........East winds 5 to 10 mph.
*  Ridgetop.............East 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.TUESDAY...
* Sky/weather...........Sunny.
* Max temperature.......79-88 at 5000 feet...71-81 at 7000 feet.
*   24 hr trend.........6 degrees warmer.
* Min humidity..........14-20 percent at 5000 feet...17-26 percent
  at 7000 feet.
*   24 hr trend.........Unchanged.
* Wind (20 ft)
*  Slope/valley.........West winds 5 to 10 mph.
*  Ridgetop.............Southwest 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.

.TUESDAY NIGHT...
* Sky/weather...........Clear.
* Min temperature.......49-57 at 5000 feet...43-53 at 7000 feet.
*   24 hr trend.........3 degrees warmer.
* Max humidity..........51-61 percent at 5000 feet...56-66 percent
  at 7000 feet.
*   24 hr trend.........1 percent wetter.
* Wind (20 ft)
*  Slope/valley.........Southwest winds 5 to 10 mph.
*  Ridgetop.............West 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.WEDNESDAY...
* Sky/weather...........Sunny.
* Max temperature.......80-90 at 5000 feet...71-81 at 7000 feet.
*   24 hr trend.........2 degrees warmer.
* Min humidity..........15-20 percent at 5000 feet...18-27 percent
  at 7000 feet.
*   24 hr trend.........1 percent drier.
* Wind (20 ft)
*  Slope/valley.........West winds 5 to 10 mph.
*  Ridgetop.............Northwest 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........5.


.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Mostly cloudy. Isolated showers and
thunderstorms. Lows 50 to 58. Southwest winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 48 to 58. Highs 73 to 83. Southwest winds 5 to 15 mph.
.FRIDAY...Partly cloudy. Lows 45 to 55. Highs 71 to 81. West
winds 5 to 15 mph.
.SATURDAY...Mostly clear. Lows 45 to 53. Highs 74 to 84.
Southwest winds 5 to 10 mph.
.SUNDAY...Clear. Lows 45 to 53. Highs 76 to 86.
.MONDAY...Sunny. Highs 77 to 86.

$$

MTZ124-221015-
Wheatland County/Sweet Grass County-
328 PM MDT Mon Aug 21 2017

.Tonight...
* Sky/weather...........Mostly clear.
* Min temperature.......48-53.
*   24 hr trend.........2 degrees warmer.
* Max humidity..........57-62 percent.
*   24 hr trend.........5 percent wetter.
* Wind (20 ft)
*  Plains...............Northeast winds 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.TUESDAY...
* Sky/weather...........Sunny.
* Max temperature.......83-88.
*   24 hr trend.........5 degrees warmer.
* Min humidity..........17-22 percent.
*   24 hr trend.........2 percent drier.
* Wind (20 ft)
*  Plains...............Southwest winds 5 to 10 mph in the
   morning...becoming southeast in the afternoon.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........2.

.TUESDAY NIGHT...
* Sky/weather...........Clear.
* Min temperature.......50-55.
*   24 hr trend.........2 degrees warmer.
* Max humidity..........53-58 percent.
*   24 hr trend.........4 percent drier.
* Wind (20 ft)
*  Plains...............South winds 5 to 10 mph in the
   evening...becoming west overnight.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.WEDNESDAY...
* Sky/weather...........Sunny.
* Max temperature.......88-93.
*   24 hr trend.........5 degrees warmer.
* Min humidity..........15-20 percent.
*   24 hr trend.........2 percent drier.
* Wind (20 ft)
*  Plains...............West winds 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........4.


.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Partly cloudy. Lows 53 to 58. West winds 5 to
10 mph.
.THURSDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 52 to 57. Highs 83 to 88. West winds 5 to 15 mph.
.FRIDAY...Partly cloudy. Lows 49 to 54. Highs 77 to 82. Northwest
winds 5 to 15 mph.
.SATURDAY...Mostly clear. Lows 47 to 52. Highs 81 to 86. West
winds 5 to 10 mph.
.SUNDAY...Clear. Lows 47 to 52. Highs 82 to 87.
.MONDAY...Sunny. Highs 83 to 88.

$$

MTZ125-221015-
Stillwater County-
328 PM MDT Mon Aug 21 2017

.Tonight...
* Sky/weather...........Clear.
* Min temperature.......53-58.
*   24 hr trend.........1 degree warmer.
* Max humidity..........45-50 percent.
*   24 hr trend.........Unchanged.
* Wind (20 ft)
*  Plains...............Southeast winds 5 to 10 mph in the
   evening...becoming southwest overnight.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.TUESDAY...
* Sky/weather...........Sunny.
* Max temperature.......83-88.
*   24 hr trend.........5 degrees warmer.
* Min humidity..........15-20 percent.
*   24 hr trend.........Unchanged.
* Wind (20 ft)
*  Plains...............Southwest winds 5 to 10 mph in the
   morning...becoming east in the afternoon.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.

.TUESDAY NIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......57-62.
*   24 hr trend.........4 degrees warmer.
* Max humidity..........38-43 percent.
*   24 hr trend.........7 percent drier.
* Wind (20 ft)
*  Plains...............Southwest winds 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.WEDNESDAY...
* Sky/weather...........Sunny.
* Max temperature.......87-92.
*   24 hr trend.........4 degrees warmer.
* Min humidity..........14-19 percent.
*   24 hr trend.........1 percent drier.
* Wind (20 ft)
*  Plains...............West winds 5 to 10 mph in the
   morning...becoming north in the afternoon.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........4.


.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Mostly cloudy. Lows 59 to 64. Southwest winds
5 to 15 mph.
.THURSDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 57 to 62. Highs 82 to 87. Southwest winds 5 to 15 mph.
.FRIDAY...Partly cloudy. Lows 53 to 58. Highs 78 to 83. Northwest
winds 5 to 15 mph.
.SATURDAY...Mostly clear. Lows 52 to 57. Highs 81 to 86.
Northwest winds 5 to 10 mph.
.SUNDAY...Mostly clear. Lows 52 to 57. Highs 82 to 87.
.MONDAY...Sunny. Highs 83 to 88.

$$

MTZ126-221015-
Beartooth Ranger District Custer National Forest-
328 PM MDT Mon Aug 21 2017

.Tonight...
* Sky/weather...........Clear.
* Min temperature.......53-58 at 5000 feet...44-54 at 7000 feet.
*   24 hr trend.........2 degrees warmer.
* Max humidity..........37-47 percent at 5000 feet...49-59 percent
  at 7000 feet.
*   24 hr trend.........5 percent drier.
* Wind (20 ft)
*  Slope/valley.........Southeast winds 5 to 10 mph in the
   evening...becoming southwest overnight.
*  Ridgetop.............West 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.TUESDAY...
* Sky/weather...........Sunny.
* Max temperature.......78-86 at 5000 feet...68-78 at 7000 feet.
*   24 hr trend.........5 degrees warmer.
* Min humidity..........15-20 percent at 5000 feet...20-30 percent
  at 7000 feet.
*   24 hr trend.........3 percent drier.
* Wind (20 ft)
*  Slope/valley.........Southeast winds 5 to 10 mph.
*  Ridgetop.............West 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.

.TUESDAY NIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......57-62 at 5000 feet...47-57 at 7000 feet.
*   24 hr trend.........3 degrees warmer.
* Max humidity..........32-40 percent at 5000 feet...43-53 percent
  at 7000 feet.
*   24 hr trend.........6 percent drier.
* Wind (20 ft)
*  Slope/valley.........Southwest winds 5 to 10 mph.
*  Ridgetop.............West 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.WEDNESDAY...
* Sky/weather...........Mostly sunny. Isolated rain showers and
  thunderstorms in the afternoon.
* Max temperature.......79-89 at 5000 feet...71-81 at 7000 feet.
*   24 hr trend.........3 degrees warmer.
* Min humidity..........14-19 percent at 5000 feet...19-29 percent
  at 7000 feet.
*   24 hr trend.........Unchanged.
* Wind (20 ft)
*  Slope/valley.........West winds 5 to 10 mph in the
   morning...becoming northeast in the afternoon.
*  Ridgetop.............West 10 to 20 mph.
* LAL...................2...1 to 8 strikes/15 min/cell.
* CWR...................Zero.
* Haines index..........3.


.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Mostly cloudy. Isolated showers and
thunderstorms. Lows 58 to 63. Southwest winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 55 to 62. Highs 78 to 86. Southwest winds 5 to 15 mph with
gusts to around 30 mph.
.FRIDAY...Partly cloudy. Scattered showers with isolated
thunderstorms. Lows 53 to 59. Highs 74 to 81. Northwest winds
5 to 15 mph.
.SATURDAY...Mostly clear. Lows 53 to 58. Highs 76 to 84.
Northwest winds 5 to 10 mph.
.SUNDAY...Mostly clear. Lows 53 to 58. Highs 77 to 87.
.MONDAY...Sunny. Highs 78 to 87.

$$

MTZ127-221015-
Golden Valley County/Musselshell county-
328 PM MDT Mon Aug 21 2017

.Tonight...
* Sky/weather...........Mostly clear.
* Min temperature.......57-62.
*   24 hr trend.........Unchanged.
* Max humidity..........38-43 percent.
*   24 hr trend.........6 percent wetter.
* Wind (20 ft)
*  Plains...............East winds 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.TUESDAY...
* Sky/weather...........Sunny.
* Max temperature.......82-87.
*   24 hr trend.........6 degrees warmer.
* Min humidity..........14-19 percent.
*   24 hr trend.........2 percent drier.
* Wind (20 ft)
*  Plains...............South winds 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........2.

.TUESDAY NIGHT...
* Sky/weather...........Clear.
* Min temperature.......60-65.
*   24 hr trend.........3 degrees warmer.
* Max humidity..........35-40 percent.
*   24 hr trend.........3 percent drier.
* Wind (20 ft)
*  Plains...............South winds 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.WEDNESDAY...
* Sky/weather...........Sunny.
* Max temperature.......86-91.
*   24 hr trend.........4 degrees warmer.
* Min humidity..........13-18 percent.
*   24 hr trend.........1 percent drier.
* Wind (20 ft)
*  Plains...............West winds 5 to 15 mph in the
   morning...becoming north 5 to 10 mph in the afternoon.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.


.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Partly cloudy. Lows 63 to 68. East winds 5 to
15 mph.
.THURSDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 61 to 66. Highs 84 to 89. South winds 5 to 15 mph.
.FRIDAY...Partly cloudy. Lows 58 to 63. Highs 76 to 81. North
winds 5 to 15 mph.
.SATURDAY...Mostly clear. Lows 56 to 61. Highs 79 to 84. East
winds 5 to 15 mph.
.SUNDAY...Mostly clear. Lows 57 to 62. Highs 80 to 85.
.MONDAY...Sunny. Highs 81 to 86.

$$

MTZ128-221015-
Yellowstone County-
328 PM MDT Mon Aug 21 2017

.Tonight...
* Sky/weather...........Mostly clear.
* Min temperature.......54-59.
*   24 hr trend.........2 degrees warmer.
* Max humidity..........48-53 percent.
*   24 hr trend.........1 percent wetter.
* Wind (20 ft)
*  Plains...............Northeast winds 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.TUESDAY...
* Sky/weather...........Sunny.
* Max temperature.......87-92.
*   24 hr trend.........6 degrees warmer.
* Min humidity..........14-19 percent.
*   24 hr trend.........Unchanged.
* Wind (20 ft)
*  Plains...............Southwest winds 5 to 10 mph in the
   morning...becoming southeast in the afternoon.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........2.

.TUESDAY NIGHT...
* Sky/weather...........Clear.
* Min temperature.......58-63.
*   24 hr trend.........4 degrees warmer.
* Max humidity..........48-53 percent.
*   24 hr trend.........Unchanged.
* Wind (20 ft)
*  Plains...............Southeast winds 5 to 10 mph in the
   evening...becoming southwest overnight.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.WEDNESDAY...
* Sky/weather...........Sunny.
* Max temperature.......91-96.
*   24 hr trend.........4 degrees warmer.
* Min humidity..........13-18 percent.
*   24 hr trend.........1 percent drier.
* Wind (20 ft)
*  Plains...............West winds 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.


.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Partly cloudy. Lows 60 to 65. Southeast winds
5 to 10 mph.
.THURSDAY...Mostly cloudy. Isolated showers and thunderstorms.
Lows 59 to 64. Highs 88 to 93. Southwest winds 5 to 15 mph.
.FRIDAY...Partly cloudy. Lows 56 to 61. Highs 81 to 86. North
winds 5 to 15 mph.
.SATURDAY...Mostly clear. Lows 55 to 60. Highs 84 to 89. North
winds 5 to 10 mph.
.SUNDAY...Mostly clear. Lows 55 to 60. Highs 85 to 90.
.MONDAY...Sunny. Highs 86 to 91.

$$

MTZ129-221015-
Crow Indian Reservation/Bighorn Canyon Rec Area-
328 PM MDT Mon Aug 21 2017

.Tonight...
* Sky/weather...........Clear.
* Min temperature.......54-60 at 5000 feet...51-56 at 7000 feet.
*   24 hr trend.........1 degree warmer.
* Max humidity..........46-51 percent.
*   24 hr trend.........3 percent drier.
* Wind (20 ft)
*  Slope/valley.........East winds 5 to 15 mph.
*  Ridgetop.............Light winds.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.TUESDAY...
* Sky/weather...........Sunny.
* Max temperature.......77-87 at 5000 feet...69-79 at 7000 feet.
*   24 hr trend.........5 degrees warmer.
* Min humidity..........15-23 percent at 5000 feet...20-26 percent
  at 7000 feet.
*   24 hr trend.........1 percent drier.
* Wind (20 ft)
*  Slope/valley.........Southeast winds 5 to 10 mph.
*  Ridgetop.............Light winds.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........2.

.TUESDAY NIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......57-62 at 5000 feet...54-59 at 7000 feet.
*   24 hr trend.........4 degrees warmer.
* Max humidity..........37-47 percent at 5000 feet...36-42 percent
  at 7000 feet.
*   24 hr trend.........2 percent drier.
* Wind (20 ft)
*  Slope/valley.........South winds 5 to 10 mph.
*  Ridgetop.............West 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.WEDNESDAY...
* Sky/weather...........Sunny.
* Max temperature.......80-90 at 5000 feet...72-81 at 7000 feet.
*   24 hr trend.........4 degrees warmer.
* Min humidity..........14-21 percent at 5000 feet...18-23 percent
  at 7000 feet.
*   24 hr trend.........1 percent drier.
* Wind (20 ft)
*  Slope/valley.........West winds 5 to 10 mph.
*  Ridgetop.............Northwest 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.


.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Partly cloudy. Lows 58 to 65. East winds 5 to
10 mph.
.THURSDAY...Mostly cloudy. Isolated showers and thunderstorms.
Lows 55 to 65. Highs 78 to 88. South winds 5 to 15 mph.
.FRIDAY...Partly cloudy. Isolated showers. Lows 53 to 60. Highs
72 to 82. North winds 5 to 15 mph.
.SATURDAY...Mostly clear. Lows 53 to 59. Highs 75 to 85.
Southeast winds 5 to 10 mph.
.SUNDAY...Mostly clear. Lows 54 to 59. Highs 76 to 86.
.MONDAY...Sunny. Highs 77 to 87.

$$

MTZ130-221015-
Northern Rosebud/Northern Treasure Counties-
328 PM MDT Mon Aug 21 2017

.Tonight...
* Sky/weather...........Mostly clear.
* Min temperature.......53-58.
*   24 hr trend.........1 degree warmer.
* Max humidity..........52-57 percent.
*   24 hr trend.........3 percent wetter.
* Wind (20 ft)
*  Plains...............East winds 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.TUESDAY...
* Sky/weather...........Sunny.
* Max temperature.......87-92.
*   24 hr trend.........7 degrees warmer.
* Min humidity..........15-20 percent.
*   24 hr trend.........1 percent drier.
* Wind (20 ft)
*  Plains...............Southeast winds 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........2.

.TUESDAY NIGHT...
* Sky/weather...........Clear.
* Min temperature.......56-61.
*   24 hr trend.........3 degrees warmer.
* Max humidity..........55-60 percent.
*   24 hr trend.........3 percent wetter.
* Wind (20 ft)
*  Plains...............Southeast winds 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.WEDNESDAY...
* Sky/weather...........Sunny.
* Max temperature.......91-96.
*   24 hr trend.........4 degrees warmer.
* Min humidity..........14-19 percent.
*   24 hr trend.........1 percent drier.
* Wind (20 ft)
*  Plains...............South winds 5 to 10 mph in the
   morning...becoming north in the afternoon.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.


.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Mostly clear. Lows 60 to 65. East winds 5 to
15 mph.
.THURSDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 61 to 66. Highs 90 to 95. Southeast winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Lows 56 to 64. Highs 82 to 87. Northwest
winds 5 to 15 mph.
.SATURDAY...Mostly clear. Lows 54 to 59. Highs 84 to 89. East
winds 5 to 10 mph.
.SUNDAY...Mostly clear. Lows 55 to 60. Highs 85 to 90.
.MONDAY...Sunny. Highs 86 to 91.

$$

MTZ131-221015-
Northern Cheyenne Indian Reservation/Ashland Ranger District
Custer Natl Forest-
328 PM MDT Mon Aug 21 2017

.Tonight...
* Sky/weather...........Mostly clear.
* Min temperature.......51-56.
*   24 hr trend.........1 degree warmer.
* Max humidity..........57-62 percent.
*   24 hr trend.........1 percent drier.
* Wind (20 ft)
*  Slope/valley.........Northeast winds 5 to 10 mph in the
   evening...becoming southeast overnight.
*  Ridgetop.............Northeast 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.TUESDAY...
* Sky/weather...........Sunny.
* Max temperature.......86-91.
*   24 hr trend.........6 degrees warmer.
* Min humidity..........14-19 percent.
*   24 hr trend.........1 percent drier.
* Wind (20 ft)
*  Slope/valley.........Southeast winds 5 to 15 mph.
*  Ridgetop.............South 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........2.

.TUESDAY NIGHT...
* Sky/weather...........Clear.
* Min temperature.......54-59.
*   24 hr trend.........3 degrees warmer.
* Max humidity..........60-65 percent.
*   24 hr trend.........3 percent wetter.
* Wind (20 ft)
*  Slope/valley.........Southeast winds 5 to 10 mph.
*  Ridgetop.............South 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.WEDNESDAY...
* Sky/weather...........Sunny.
* Max temperature.......91-96.
*   24 hr trend.........5 degrees warmer.
* Min humidity..........13-18 percent.
*   24 hr trend.........1 percent drier.
* Wind (20 ft)
*  Slope/valley.........Southwest winds 5 to 10 mph in the
   morning...becoming north in the afternoon.
*  Ridgetop.............Northwest 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.


.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Mostly clear. Lows 56 to 61. East winds 5 to
10 mph.
.THURSDAY...Mostly cloudy. Scattered showers with isolated
thunderstorms. Lows 57 to 62. Highs 88 to 93. South winds 5 to
10 mph.
.FRIDAY...Partly cloudy. Isolated showers. Lows 54 to 60. Highs
82 to 87. North winds 5 to 15 mph.
.SATURDAY...Mostly clear. Lows 52 to 57. Highs 83 to 88. East
winds 5 to 10 mph.
.SUNDAY...Mostly clear. Lows 52 to 57. Highs 84 to 89.
.MONDAY...Sunny. Highs 85 to 90.

$$

MTZ132-221015-
Custer County-
328 PM MDT Mon Aug 21 2017

.Tonight...
* Sky/weather...........Mostly clear.
* Min temperature.......52-57.
*   24 hr trend.........5 degrees cooler.
* Max humidity..........50-55 percent.
*   24 hr trend.........6 percent drier.
* Wind (20 ft)
*  Plains...............Northeast winds 5 to 15 mph in the
   evening...becoming southeast overnight.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.TUESDAY...
* Sky/weather...........Sunny.
* Max temperature.......83-88.
*   24 hr trend.........6 degrees warmer.
* Min humidity..........17-22 percent.
*   24 hr trend.........2 percent drier.
* Wind (20 ft)
*  Plains...............Southeast winds 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........2.

.TUESDAY NIGHT...
* Sky/weather...........Clear.
* Min temperature.......56-61.
*   24 hr trend.........4 degrees warmer.
* Max humidity..........54-59 percent.
*   24 hr trend.........4 percent wetter.
* Wind (20 ft)
*  Plains...............Southeast winds 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.WEDNESDAY...
* Sky/weather...........Sunny.
* Max temperature.......87-92.
*   24 hr trend.........4 degrees warmer.
* Min humidity..........17-22 percent.
*   24 hr trend.........Unchanged.
* Wind (20 ft)
*  Plains...............East winds 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.


.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Mostly clear. Lows 59 to 64. East winds 5 to
15 mph.
.THURSDAY...Partly cloudy. Scattered showers with isolated
thunderstorms. Lows 60 to 65. Highs 86 to 91. Southeast winds
10 to 20 mph with gusts to around 30 mph.
.FRIDAY...Partly cloudy. Scattered showers with isolated
thunderstorms. Lows 56 to 63. Highs 81 to 86. North winds 5 to
15 mph.
.SATURDAY...Mostly clear. Lows 55 to 60. Highs 81 to 86. East
winds 5 to 15 mph.
.SUNDAY...Mostly clear. Lows 55 to 60. Highs 82 to 87.
.MONDAY...Sunny. Highs 83 to 88.

$$

MTZ133-221015-
Sioux Ranger District Custer National Forest-
328 PM MDT Mon Aug 21 2017

.Tonight...
* Sky/weather...........Mostly clear.
* Min temperature.......49-54.
*   24 hr trend.........5 degrees cooler.
* Max humidity..........57-62 percent.
*   24 hr trend.........21 percent drier.
* Wind (20 ft)
*  Plains...............Northeast winds 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.TUESDAY...
* Sky/weather...........Sunny.
* Max temperature.......81-86.
*   24 hr trend.........3 degrees warmer.
* Min humidity..........22-27 percent.
*   24 hr trend.........3 percent wetter.
* Wind (20 ft)
*  Plains...............Southeast winds 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........2.

.TUESDAY NIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......53-58.
*   24 hr trend.........4 degrees warmer.
* Max humidity..........72-77 percent.
*   24 hr trend.........15 percent wetter.
* Wind (20 ft)
*  Plains...............Southeast winds 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.WEDNESDAY...
* Sky/weather...........Sunny.
* Max temperature.......86-91.
*   24 hr trend.........5 degrees warmer.
* Min humidity..........23-28 percent.
*   24 hr trend.........1 percent wetter.
* Wind (20 ft)
*  Plains...............East winds 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.


.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Mostly clear. Lows 55 to 60. East winds 5 to
15 mph.
.THURSDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 56 to 61. Highs 84 to 89. Southeast winds 10 to 20 mph.
.FRIDAY...Partly cloudy. Scattered showers with isolated
thunderstorms. Lows 55 to 60. Highs 82 to 87. East winds 5 to
15 mph.
.SATURDAY...Mostly clear. Lows 53 to 58. Highs 81 to 86. East
winds 5 to 15 mph.
.SUNDAY...Mostly clear. Lows 52 to 57. Highs 82 to 87.
.MONDAY...Sunny. Highs 83 to 88.

$$

WYZ274-221015-
Sheridan County-
328 PM MDT Mon Aug 21 2017

.Tonight...
* Sky/weather...........Mostly clear.
* Min temperature.......49-54.
*   24 hr trend.........2 degrees cooler.
* Max humidity..........64-69 percent.
*   24 hr trend.........Unchanged.
* Wind (20 ft)
*  Slope/valley.........Northwest winds 5 to 10 mph in the
   evening...becoming south overnight.
*  Ridgetop.............Southeast 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.TUESDAY...
* Sky/weather...........Sunny.
* Max temperature.......84-89.
*   24 hr trend.........5 degrees warmer.
* Min humidity..........18-23 percent.
*   24 hr trend.........Unchanged.
* Wind (20 ft)
*  Slope/valley.........Southeast winds 5 to 10 mph.
*  Ridgetop.............South 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........2.

.TUESDAY NIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......51-56.
*   24 hr trend.........2 degrees warmer.
* Max humidity..........63-68 percent.
*   24 hr trend.........1 percent drier.
* Wind (20 ft)
*  Slope/valley.........Southwest winds 5 to 10 mph.
*  Ridgetop.............South 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.WEDNESDAY...
* Sky/weather...........Sunny.
* Max temperature.......89-94.
*   24 hr trend.........5 degrees warmer.
* Min humidity..........17-22 percent.
*   24 hr trend.........1 percent drier.
* Wind (20 ft)
*  Slope/valley.........Light and variable winds in the
   morning...becoming north 5 to 10 mph in the afternoon.
*  Ridgetop.............Northwest 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.


.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Partly cloudy. Lows 54 to 59. Southwest winds
5 to 10 mph.
.THURSDAY...Mostly cloudy. Isolated showers and thunderstorms.
Lows 54 to 59. Highs 87 to 92. South winds 5 to 10 mph.
.FRIDAY...Partly cloudy. Scattered showers with isolated
thunderstorms. Lows 51 to 56. Highs 81 to 86. Northwest winds
5 to 15 mph.
.SATURDAY...Mostly clear. Lows 49 to 54. Highs 83 to 88.
Southeast winds 5 to 10 mph.
.SUNDAY...Mostly clear. Lows 49 to 54. Highs 84 to 89.
.MONDAY...Sunny. Highs 84 to 89.

$$

WYZ284-221015-
Bighorn National Forest-
328 PM MDT Mon Aug 21 2017

.Tonight...
* Sky/weather...........Mostly clear.
* Min temperature.......43-48.
*   24 hr trend.........3 degrees warmer.
* Max humidity..........64-69 percent.
*   24 hr trend.........5 percent drier.
* Wind (20 ft)
*  At Burgess Jct.......East winds 5 to 10 mph in the
   evening...becoming southwest overnight.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.TUESDAY...
* Sky/weather...........Sunny.
* Max temperature.......67-72.
*   24 hr trend.........5 degrees warmer.
* Min humidity..........26-31 percent.
*   24 hr trend.........5 percent drier.
* Wind (20 ft)
*  At Burgess Jct.......South winds 5 to 10 mph in the
   morning...becoming east in the afternoon.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.

.TUESDAY NIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......43-48.
*   24 hr trend.........Unchanged.
* Max humidity..........63-68 percent.
*   24 hr trend.........1 percent drier.
* Wind (20 ft)
*  At Burgess Jct.......South winds 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.WEDNESDAY...
* Sky/weather...........Sunny. Isolated rain showers and
  thunderstorms in the afternoon.
* Max temperature.......69-74.
*   24 hr trend.........2 degrees warmer.
* Min humidity..........24-29 percent.
*   24 hr trend.........2 percent drier.
* Wind (20 ft)
*  At Burgess Jct.......Southwest winds 5 to 10 mph in the
   morning...becoming north in the afternoon.
* LAL...................2...1 to 8 strikes/15 min/cell.
* CWR...................Zero.
* Haines index..........3.


.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Mostly cloudy. Isolated showers and
thunderstorms. Lows 44 to 49. East winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 43 to 48. Highs 68 to 73. Southwest winds 5 to 15 mph.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 41 to 46. Highs 63 to 68. Northwest winds 5 to 15 mph.
.SATURDAY...Mostly clear. Lows 40 to 45. Highs 65 to 70.
Southwest winds 5 to 10 mph.
.SUNDAY...Mostly clear. Lows 40 to 45. Highs 66 to 71.
.MONDAY...Sunny. Highs 67 to 72.

$$

weather.gov/billings



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