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

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11
000
FNUS55 KBYZ 210229
FWFBYZ

Fire Weather Planning Forecast for SCen and SErn Montana
National Weather Service Billings MT
829 PM MDT Sun Aug 20 2017

.DISCUSSION...

...Gusty northerly winds across eastern areas on Monday...

Updated forecast to increase southeasterly wind speeds over zone
133 through the early morning hours, with gusts to 30 mph at times.
Still looking at mainly isolated showers and thunderstorms
tonight over SE MT into W ND. Chambers

Previous Discussion...Showers and thunderstorms are possible this
evening through late tonight across portions of southeast
Montana. Gusty southerly ridgetop winds are possible for eastern
areas tonight as a low level jet develops, before a cold front
turns winds to the north by Monday morning. Gusty northerly winds
can be expected over eastern areas on Monday. Dry conditions look
to persist Monday through at least Tuesday with highs mainly in
the 80s and minimum RH values in the teens to low 20s. Overnight
RH recoveries will continue to be moderate. STP

MTZ123-211015-
Gallatin National Forest-
829 PM MDT Sun Aug 20 2017

.Rest of Tonight...
* Sky/weather...........Partly cloudy. Patchy smoke overnight.
* Min temperature.......46-53 at 5000 feet...40-50 at 7000 feet.
*   24 hr trend.........1 degree warmer.
* Max humidity..........50-60 percent at 5000 feet...54-64 percent
  at 7000 feet.
*   24 hr trend.........13 percent drier.
* Wind (20 ft)
*  Slope/valley.........Northeast winds 5 to 10 mph.
*  Ridgetop.............Northwest 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.MONDAY...
* Sky/weather...........Sunny. Patchy smoke in the morning.
* Max temperature.......74-83 at 5000 feet...66-76 at 7000 feet.
*   24 hr trend.........2 degrees warmer.
* Min humidity..........16-22 percent at 5000 feet...20-30 percent
  at 7000 feet.
*   24 hr trend.........Unchanged.
* Wind (20 ft)
*  Slope/valley.........North winds 5 to 10 mph.
*  Ridgetop.............Light winds.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.

.MONDAY NIGHT...
* Sky/weather...........Clear.
* Min temperature.......46-52 at 5000 feet...40-50 at 7000 feet.
*   24 hr trend.........1 degree warmer.
* Max humidity..........56-66 percent at 5000 feet...63-73 percent
  at 7000 feet.
*   24 hr trend.........8 percent wetter.
* Wind (20 ft)
*  Slope/valley.........East winds 5 to 10 mph.
*  Ridgetop.............Light winds.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.TUESDAY...
* Sky/weather...........Sunny.
* Max temperature.......80-89 at 5000 feet...72-82 at 7000 feet.
*   24 hr trend.........6 degrees warmer.
* Min humidity..........14-19 percent at 5000 feet...16-25 percent
  at 7000 feet.
*   24 hr trend.........3 percent drier.
* Wind (20 ft)
*  Slope/valley.........South winds 5 to 10 mph in the
   morning...becoming northeast in the afternoon.
*  Ridgetop.............Southwest 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........4.


.Forecast days 3 through 7......
.TUESDAY NIGHT...Clear. Lows 48 to 56. Southeast winds 5 to
10 mph.
.WEDNESDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 48 to 57. Highs 80 to 90. Southwest winds 5 to 15 mph.
.THURSDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 47 to 57. Highs 75 to 85. Southwest winds 5 to 15 mph.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
43 to 53. Highs 73 to 81. Southwest winds 5 to 15 mph.
.SATURDAY...Mostly clear. Lows 41 to 49. Highs 75 to 82.
.SUNDAY...Sunny. Highs 77 to 85.

$$

MTZ124-211015-
Wheatland County/Sweet Grass County-
829 PM MDT Sun Aug 20 2017

.Rest of Tonight...
* Sky/weather...........Mostly cloudy. Patchy smoke overnight.
* Min temperature.......48-53.
*   24 hr trend.........3 degrees warmer.
* Max humidity..........53-58 percent.
*   24 hr trend.........19 percent drier.
* Wind (20 ft)
*  Plains...............West winds 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.MONDAY...
* Sky/weather...........Sunny. Patchy smoke in the morning.
* Max temperature.......78-83.
*   24 hr trend.........Unchanged.
* Min humidity..........19-24 percent.
*   24 hr trend.........1 percent wetter.
* Wind (20 ft)
*  Plains...............North winds 5 to 10 mph in the
   morning...becoming east in the afternoon.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........2.

.MONDAY NIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......47-52.
*   24 hr trend.........1 degree cooler.
* Max humidity..........58-63 percent.
*   24 hr trend.........5 percent wetter.
* Wind (20 ft)
*  Plains...............Northeast winds 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.TUESDAY...
* Sky/weather...........Sunny.
* Max temperature.......84-89.
*   24 hr trend.........6 degrees warmer.
* Min humidity..........18-23 percent.
*   24 hr trend.........1 percent drier.
* Wind (20 ft)
*  Plains...............Northwest winds 5 to 10 mph in the
   morning...becoming southeast in the afternoon.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.


.Forecast days 3 through 7......
.TUESDAY NIGHT...Clear. Lows 50 to 55. East winds 5 to 10 mph.
.WEDNESDAY...Partly cloudy. Lows 52 to 57. Highs 89 to 94. West
winds 5 to 15 mph.
.THURSDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 52 to 57. Highs 84 to 89. West winds 10 to 20 mph.
.FRIDAY...Partly cloudy. Lows 46 to 52. Highs 78 to 83. West
winds 5 to 15 mph.
.SATURDAY...Mostly clear. Lows 44 to 49. Highs 79 to 84.
.SUNDAY...Sunny. Highs 82 to 87.

$$

MTZ125-211015-
Stillwater County-
829 PM MDT Sun Aug 20 2017

.Rest of Tonight...
* Sky/weather...........Mostly cloudy. Patchy smoke overnight.
* Min temperature.......52-57.
*   24 hr trend.........4 degrees warmer.
* Max humidity..........44-49 percent.
*   24 hr trend.........17 percent drier.
* Wind (20 ft)
*  Plains...............West winds 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.MONDAY...
* Sky/weather...........Sunny. Patchy smoke in the morning.
* Max temperature.......79-84.
*   24 hr trend.........Unchanged.
* Min humidity..........17-22 percent.
*   24 hr trend.........3 percent drier.
* Wind (20 ft)
*  Plains...............North winds 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.

.MONDAY NIGHT...
* Sky/weather...........Clear.
* Min temperature.......52-57.
*   24 hr trend.........Unchanged.
* Max humidity..........47-52 percent.
*   24 hr trend.........3 percent wetter.
* Wind (20 ft)
*  Plains...............Southeast winds 5 to 10 mph in the
   evening...becoming west overnight.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.TUESDAY...
* Sky/weather...........Sunny.
* Max temperature.......85-90.
*   24 hr trend.........6 degrees warmer.
* Min humidity..........15-20 percent.
*   24 hr trend.........2 percent drier.
* Wind (20 ft)
*  Plains...............West winds 5 to 10 mph in the
   morning...becoming east in the afternoon.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.


.Forecast days 3 through 7......
.TUESDAY NIGHT...Clear. Lows 55 to 60. South winds 5 to 10 mph.
.WEDNESDAY...Partly cloudy. Lows 55 to 60. Highs 87 to 92.
Southwest winds 5 to 15 mph.
.THURSDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 54 to 59. Highs 83 to 88. West winds 5 to 15 mph.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
50 to 55. Highs 79 to 84. West winds 5 to 15 mph.
.SATURDAY...Mostly clear. Lows 48 to 53. Highs 79 to 84.
.SUNDAY...Sunny. Highs 81 to 86.

$$

MTZ126-211015-
Beartooth Ranger District Custer National Forest-
829 PM MDT Sun Aug 20 2017

.Rest of Tonight...
* Sky/weather...........Mostly cloudy. Patchy smoke overnight.
* Min temperature.......53-58 at 5000 feet...43-53 at 7000 feet.
*   24 hr trend.........3 degrees warmer.
* Max humidity..........37-46 percent at 5000 feet...52-62 percent
  at 7000 feet.
*   24 hr trend.........8 percent drier.
* Wind (20 ft)
*  Slope/valley.........West winds 5 to 10 mph.
*  Ridgetop.............West 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.MONDAY...
* Sky/weather...........Mostly sunny. Patchy smoke in the morning.
* Max temperature.......74-83 at 5000 feet...65-75 at 7000 feet.
*   24 hr trend.........2 degrees cooler.
* Min humidity..........17-23 percent at 5000 feet...24-34 percent
  at 7000 feet.
*   24 hr trend.........1 percent drier.
* Wind (20 ft)
*  Slope/valley.........North winds 5 to 10 mph.
*  Ridgetop.............West 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.

.MONDAY NIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......52-57 at 5000 feet...44-54 at 7000 feet.
*   24 hr trend.........1 degree warmer.
* Max humidity..........40-50 percent at 5000 feet...54-64 percent
  at 7000 feet.
*   24 hr trend.........2 percent drier.
* Wind (20 ft)
*  Slope/valley.........East 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.......78-87 at 5000 feet...71-81 at 7000 feet.
*   24 hr trend.........7 degrees warmer.
* Min humidity..........16-21 percent at 5000 feet...21-31 percent
  at 7000 feet.
*   24 hr trend.........4 percent drier.
* Wind (20 ft)
*  Slope/valley.........Southwest winds 5 to 10 mph in the
   morning...becoming southeast in the afternoon.
*  Ridgetop.............West 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.


.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows 55 to 60. South winds 5 to
10 mph.
.WEDNESDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 55 to 60. Highs 81 to 89. Southwest winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 52 to 59. Highs 78 to 85. West winds 5 to 15 mph.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
49 to 57. Highs 73 to 81. West winds 5 to 15 mph.
.SATURDAY...Mostly clear. Lows 49 to 55. Highs 73 to 81.
.SUNDAY...Sunny. Highs 76 to 82.

$$

MTZ127-211015-
Golden Valley County/Musselshell county-
829 PM MDT Sun Aug 20 2017

.Rest of Tonight...
* Sky/weather...........Mostly cloudy. Patchy smoke overnight.
* Min temperature.......58-63.
*   24 hr trend.........2 degrees warmer.
* Max humidity..........34-39 percent.
*   24 hr trend.........9 percent drier.
* Wind (20 ft)
*  Plains...............North winds 10 to 20 mph. Gusts up to 30 mph
   late in the evening.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.MONDAY...
* Sky/weather...........Mostly sunny. Patchy smoke in the morning.
* Max temperature.......77-82.
*   24 hr trend.........1 degree warmer.
* Min humidity..........16-21 percent.
*   24 hr trend.........5 percent drier.
* Wind (20 ft)
*  Plains...............Northeast winds 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........2.

.MONDAY NIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......57-62.
*   24 hr trend.........1 degree cooler.
* Max humidity..........37-42 percent.
*   24 hr trend.........3 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.........5 degrees warmer.
* Min humidity..........15-20 percent.
*   24 hr trend.........1 percent drier.
* Wind (20 ft)
*  Plains...............Southeast winds 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.


.Forecast days 3 through 7......
.TUESDAY NIGHT...Clear. Lows 59 to 64. East winds 5 to 15 mph.
.WEDNESDAY...Mostly clear. Lows 58 to 63. Highs 86 to 91. South
winds 5 to 15 mph.
.THURSDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 56 to 61. Highs 84 to 89. West winds 10 to 20 mph.
.FRIDAY...Partly cloudy. Lows 52 to 57. Highs 76 to 81. Northwest
winds 10 to 20 mph.
.SATURDAY...Mostly clear. Lows 50 to 55. Highs 77 to 82.
.SUNDAY...Sunny. Highs 79 to 84.

$$

MTZ128-211015-
Yellowstone County-
829 PM MDT Sun Aug 20 2017

.Rest of Tonight...
* Sky/weather...........Mostly cloudy. Patchy smoke overnight.
* Min temperature.......55-60.
*   24 hr trend.........Unchanged.
* Max humidity..........44-49 percent.
*   24 hr trend.........1 percent drier.
* Wind (20 ft)
*  Plains...............Northwest winds 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.MONDAY...
* Sky/weather...........Mostly sunny. Patchy smoke in the morning.
* Max temperature.......83-88.
*   24 hr trend.........Unchanged.
* Min humidity..........14-19 percent.
*   24 hr trend.........5 percent drier.
* Wind (20 ft)
*  Plains...............Southwest winds 5 to 15 mph in the
   morning...becoming northeast in the afternoon.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.

.MONDAY NIGHT...
* Sky/weather...........Clear.
* Min temperature.......53-58.
*   24 hr trend.........2 degrees cooler.
* Max humidity..........49-54 percent.
*   24 hr trend.........5 percent wetter.
* Wind (20 ft)
*  Plains...............Northeast winds 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.TUESDAY...
* Sky/weather...........Sunny.
* Max temperature.......87-92.
*   24 hr trend.........4 degrees warmer.
* Min humidity..........14-19 percent.
*   24 hr trend.........Unchanged.
* Wind (20 ft)
*  Plains...............West winds 5 to 10 mph in the
   morning...becoming east in the afternoon.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.


.Forecast days 3 through 7......
.TUESDAY NIGHT...Clear. Lows 57 to 62. East winds 5 to 10 mph.
.WEDNESDAY...Mostly clear. Lows 58 to 63. Highs 91 to 96. South
winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. Isolated showers and thunderstorms.
Lows 58 to 63. Highs 88 to 93. West winds 10 to 20 mph.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
54 to 59. Highs 81 to 86. North winds 5 to 15 mph.
.SATURDAY...Mostly clear. Lows 52 to 57. Highs 81 to 86.
.SUNDAY...Sunny. Highs 84 to 89.

$$

MTZ129-211015-
Crow Indian Reservation/Bighorn Canyon Rec Area-
829 PM MDT Sun Aug 20 2017

.Rest of Tonight...
* Sky/weather...........Partly cloudy. Patchy smoke overnight.
* Min temperature.......53-59 at 5000 feet...51-56 at 7000 feet.
*   24 hr trend.........1 degree warmer.
* Max humidity..........48-53 percent.
*   24 hr trend.........3 percent drier.
* Wind (20 ft)
*  Slope/valley.........North winds 5 to 10 mph late in the
   evening...becoming light and variable overnight.
*  Ridgetop.............Northwest 10 to 20 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.MONDAY...
* Sky/weather...........Mostly sunny. Patchy smoke in the morning.
* Max temperature.......73-83 at 5000 feet...67-75 at 7000 feet.
*   24 hr trend.........1 degree cooler.
* Min humidity..........17-27 percent at 5000 feet...23-31 percent
  at 7000 feet.
*   24 hr trend.........4 percent drier.
* Wind (20 ft)
*  Slope/valley.........North winds 5 to 15 mph.
*  Ridgetop.............North 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.

.MONDAY NIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......53-59 at 5000 feet...51-56 at 7000 feet.
*   24 hr trend.........1 degree cooler.
* Max humidity..........46-51 percent.
*   24 hr trend.........2 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.......78-88 at 5000 feet...70-80 at 7000 feet.
*   24 hr trend.........5 degrees warmer.
* Min humidity..........16-24 percent at 5000 feet...21-27 percent
  at 7000 feet.
*   24 hr trend.........3 percent drier.
* Wind (20 ft)
*  Slope/valley.........South winds 5 to 10 mph in the
   morning...becoming northeast in the afternoon.
*  Ridgetop.............Light winds.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.


.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows 57 to 62. East winds 5 to
15 mph.
.WEDNESDAY...Mostly clear. Lows 53 to 62. Highs 81 to 91.
Southeast winds 5 to 15 mph.
.THURSDAY...Mostly cloudy. Isolated showers and thunderstorms.
Lows 50 to 59. Highs 77 to 87. Northwest winds 5 to 15 mph.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
48 to 57. Highs 72 to 82. North winds 5 to 15 mph.
.SATURDAY...Mostly clear. Lows 48 to 54. Highs 72 to 82.
.SUNDAY...Sunny. Highs 74 to 84.

$$

MTZ130-211015-
Northern Rosebud/Northern Treasure Counties-
829 PM MDT Sun Aug 20 2017

.Rest of Tonight...
* Sky/weather...........Mostly cloudy.
* Min temperature.......57-62.
*   24 hr trend.........1 degree warmer.
* Max humidity..........49-54 percent.
*   24 hr trend.........3 percent wetter.
* Wind (20 ft)
*  Plains...............North winds 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.MONDAY...
* Sky/weather...........Mostly sunny.
* Max temperature.......82-87.
*   24 hr trend.........Unchanged.
* Min humidity..........16-21 percent.
*   24 hr trend.........5 percent drier.
* Wind (20 ft)
*  Plains...............North winds 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........2.

.MONDAY NIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......52-57.
*   24 hr trend.........5 degrees cooler.
* Max humidity..........52-57 percent.
*   24 hr trend.........3 percent wetter.
* Wind (20 ft)
*  Plains...............Northeast winds 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.TUESDAY...
* Sky/weather...........Sunny.
* Max temperature.......86-91.
*   24 hr trend.........4 degrees warmer.
* Min humidity..........15-20 percent.
*   24 hr trend.........1 percent drier.
* Wind (20 ft)
*  Plains...............East winds 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.


.Forecast days 3 through 7......
.TUESDAY NIGHT...Clear. Lows 55 to 60. East winds 5 to 15 mph.
.WEDNESDAY...Mostly clear. Lows 56 to 61. Highs 91 to 96.
Southeast winds 5 to 15 mph.
.THURSDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 58 to 63. Highs 89 to 94. South winds 5 to 15 mph.
.FRIDAY...Partly cloudy. Lows 55 to 60. Highs 83 to 88. Northwest
winds 5 to 15 mph.
.SATURDAY...Mostly clear. Lows 53 to 58. Highs 82 to 87.
.SUNDAY...Sunny. Highs 84 to 89.

$$

MTZ131-211015-
Northern Cheyenne Indian Reservation/Ashland Ranger District
Custer Natl Forest-
829 PM MDT Sun Aug 20 2017

.Rest of Tonight...
* Sky/weather...........Partly cloudy.
* Min temperature.......53-58.
*   24 hr trend.........2 degrees warmer.
* Max humidity..........58-63 percent.
*   24 hr trend.........4 percent drier.
* Wind (20 ft)
*  Slope/valley.........Northwest winds 5 to 10 mph.
*  Ridgetop.............Northwest 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.MONDAY...
* Sky/weather...........Mostly sunny.
* Max temperature.......82-87.
*   24 hr trend.........1 degree cooler.
* Min humidity..........15-20 percent.
*   24 hr trend.........5 percent drier.
* Wind (20 ft)
*  Slope/valley.........North winds 5 to 15 mph.
*  Ridgetop.............North 10 to 20 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.

.MONDAY NIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......50-55.
*   24 hr trend.........3 degrees cooler.
* Max humidity..........57-62 percent.
*   24 hr trend.........1 percent drier.
* Wind (20 ft)
*  Slope/valley.........East winds 5 to 15 mph.
*  Ridgetop.............Northeast 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.TUESDAY...
* Sky/weather...........Sunny.
* Max temperature.......86-91.
*   24 hr trend.........4 degrees warmer.
* Min humidity..........14-19 percent.
*   24 hr trend.........1 percent drier.
* Wind (20 ft)
*  Slope/valley.........Southeast winds 5 to 10 mph.
*  Ridgetop.............Southwest 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.


.Forecast days 3 through 7......
.TUESDAY NIGHT...Clear. Lows 53 to 58. East winds 5 to 10 mph.
.WEDNESDAY...Mostly clear. Lows 54 to 59. Highs 88 to 93.
Southeast winds 5 to 15 mph.
.THURSDAY...Mostly cloudy. Isolated showers and thunderstorms.
Lows 55 to 60. Highs 88 to 93. South winds 5 to 15 mph.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
53 to 58. Highs 82 to 87. North winds 5 to 15 mph.
.SATURDAY...Mostly clear. Lows 50 to 55. Highs 81 to 86.
.SUNDAY...Sunny. Highs 83 to 88.

$$

MTZ132-211015-
Custer County-
829 PM MDT Sun Aug 20 2017

.Rest of Tonight...
* Sky/weather...........Mostly cloudy with Isolated rain showers
  and thunderstorms.
* Min temperature.......57-62.
*   24 hr trend.........4 degrees warmer.
* Max humidity..........56-61 percent.
*   24 hr trend.........9 percent wetter.
* Wind (20 ft)
*  Plains...............East winds 5 to 15 mph.
* LAL...................2...1 to 8 strikes/15 min/cell.
* CWR...................Less than 10 percent.

.MONDAY...
* Sky/weather...........Partly sunny in the morning then clearing.
* Max temperature.......79-84.
*   24 hr trend.........Unchanged.
* Min humidity..........18-23 percent.
*   24 hr trend.........5 percent drier.
* Wind (20 ft)
*  Plains...............North winds 10 to 20 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.

.MONDAY NIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......52-57.
*   24 hr trend.........5 degrees cooler.
* Max humidity..........52-57 percent.
*   24 hr trend.........4 percent drier.
* 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.........3 degrees warmer.
* Min humidity..........17-22 percent.
*   24 hr trend.........1 percent drier.
* Wind (20 ft)
*  Plains...............East winds 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.


.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows 55 to 60. East winds 5 to
15 mph.
.WEDNESDAY...Clear. Lows 55 to 60. Highs 85 to 90. Southeast
winds 10 to 20 mph.
.THURSDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 56 to 61. Highs 86 to 91. Southeast winds 10 to 20 mph.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
54 to 59. Highs 82 to 87. Northwest winds 10 to 20 mph.
.SATURDAY...Mostly clear. Lows 51 to 56. Highs 80 to 85.
.SUNDAY...Sunny. Highs 80 to 85.

$$

MTZ133-211015-
Sioux Ranger District Custer National Forest-
829 PM MDT Sun Aug 20 2017

.Rest of Tonight...
* Sky/weather...........Mostly cloudy with Isolated rain showers
  and thunderstorms.
* Min temperature.......55-60.
*   24 hr trend.........1 degree warmer.
* Max humidity..........68-73 percent.
*   24 hr trend.........6 percent wetter.
* Wind (20 ft)
*  Plains...............Southeast winds 10 to 20 mph.
* LAL...................2...1 to 8 strikes/15 min/cell.
* CWR...................20 percent.

.MONDAY...
* Sky/weather...........Mostly sunny. Isolated rain showers and
  thunderstorms in the morning.
* Max temperature.......81-86.
*   24 hr trend.........2 degrees warmer.
* Min humidity..........21-26 percent.
*   24 hr trend.........Unchanged.
* Wind (20 ft)
*  Plains...............North winds 10 to 20 mph.
* LAL...................2...1 to 8 strikes/15 min/cell.
* CWR...................Zero.
* Haines index..........3.

.MONDAY NIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......50-55.
*   24 hr trend.........5 degrees cooler.
* Max humidity..........72-77 percent.
*   24 hr trend.........4 percent wetter.
* Wind (20 ft)
*  Plains...............Northeast winds 5 to 15 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.TUESDAY...
* Sky/weather...........Sunny.
* Max temperature.......80-85.
*   24 hr trend.........1 degree cooler.
* Min humidity..........22-27 percent.
*   24 hr trend.........1 percent wetter.
* Wind (20 ft)
*  Plains...............Southeast winds 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.


.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows 52 to 57. East winds 5 to
15 mph.
.WEDNESDAY...Clear. Lows 52 to 57. Highs 82 to 87. Southeast
winds 10 to 20 mph.
.THURSDAY...Partly cloudy. Lows 54 to 59. Highs 83 to 88.
Southeast winds 10 to 20 mph with gusts to around 30 mph.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
53 to 58. Highs 83 to 88. Northwest winds 10 to 20 mph.
.SATURDAY...Partly cloudy. Lows 51 to 56. Highs 80 to 85.
.SUNDAY...Sunny. Highs 80 to 85.

$$

WYZ274-211015-
Sheridan County-
829 PM MDT Sun Aug 20 2017

.Rest of Tonight...
* Sky/weather...........Partly cloudy. Patchy smoke overnight.
* Min temperature.......51-56.
*   24 hr trend.........6 degrees warmer.
* Max humidity..........64-69 percent.
*   24 hr trend.........10 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.

.MONDAY...
* Sky/weather...........Mostly sunny. Patchy smoke in the morning.
* Max temperature.......82-87.
*   24 hr trend.........2 degrees cooler.
* Min humidity..........20-25 percent.
*   24 hr trend.........Unchanged.
* Wind (20 ft)
*  Slope/valley.........North winds 5 to 15 mph.
*  Ridgetop.............North 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.

.MONDAY NIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......48-53.
*   24 hr trend.........3 degrees cooler.
* Max humidity..........67-72 percent.
*   24 hr trend.........3 percent wetter.
* 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.......86-91.
*   24 hr trend.........4 degrees warmer.
* Min humidity..........18-23 percent.
*   24 hr trend.........2 percent drier.
* Wind (20 ft)
*  Slope/valley.........Southwest winds 5 to 10 mph in the
   morning...becoming northeast in the afternoon.
*  Ridgetop.............Light winds.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.


.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows 51 to 56. Southeast winds
5 to 10 mph.
.WEDNESDAY...Partly cloudy. Lows 52 to 57. Highs 89 to 94.
Southeast winds 5 to 10 mph.
.THURSDAY...Mostly cloudy. Isolated showers and thunderstorms.
Lows 52 to 57. Highs 87 to 92. Northwest winds 5 to 15 mph.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 50 to 55. Highs 82 to 87. North winds 5 to 15 mph.
.SATURDAY...Mostly clear. Lows 48 to 53. Highs 81 to 86.
.SUNDAY...Sunny. Highs 82 to 87.

$$

WYZ284-211015-
Bighorn National Forest-
829 PM MDT Sun Aug 20 2017

.Rest of Tonight...
* Sky/weather...........Partly cloudy. Patchy smoke overnight.
* Min temperature.......41-46.
*   24 hr trend.........5 degrees warmer.
* Max humidity..........69-74 percent.
*   24 hr trend.........5 percent drier.
* Wind (20 ft)
*  At Burgess Jct.......West winds 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.MONDAY...
* Sky/weather...........Mostly sunny. Patchy smoke in the morning.
* Max temperature.......63-68.
*   24 hr trend.........5 degrees cooler.
* Min humidity..........34-39 percent.
*   24 hr trend.........14 percent wetter.
* Wind (20 ft)
*  At Burgess Jct.......North winds 5 to 10 mph.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.

.MONDAY NIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......41-46.
*   24 hr trend.........Unchanged.
* Max humidity..........68-73 percent.
*   24 hr trend.........1 percent drier.
* Wind (20 ft)
*  At Burgess Jct.......Northeast winds 5 to 10 mph in the
   evening...becoming southwest overnight.
* LAL...................1...no thunderstorms.
* CWR...................Zero.

.TUESDAY...
* Sky/weather...........Sunny.
* Max temperature.......68-73.
*   24 hr trend.........5 degrees warmer.
* Min humidity..........27-32 percent.
*   24 hr trend.........7 percent drier.
* Wind (20 ft)
*  At Burgess Jct.......West winds 5 to 10 mph in the
   morning...becoming northeast in the afternoon.
* LAL...................1...no thunderstorms.
* CWR...................Zero.
* Haines index..........3.


.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows 43 to 48. Southeast winds
5 to 10 mph.
.WEDNESDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 44 to 49. Highs 71 to 76. Southeast winds 5 to 15 mph.
.THURSDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 44 to 49. Highs 68 to 73. Southwest winds 5 to 15 mph.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 42 to 47. Highs 64 to 69. West winds 5 to 15 mph.
.SATURDAY...Mostly clear. Lows 41 to 46. Highs 63 to 68.
.SUNDAY...Sunny. Highs 64 to 69.

$$

weather.gov/billings



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.