Spot Forecast
Issued by NWS Great Falls, MT

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FWSTFX

Spot Forecast for Project Burn...Blackfeet
National Weather Service Great Falls MT
1137 AM MST Thu Nov 13 2025

Forecast is based on ignition time of 1200 MST on November 13.
If conditions become unrepresentative...contact the National Weather
Service.

...HIGH WIND WARNING IN EFFECT UNTIL 5 PM MST FRIDAY...

.DISCUSSION...

Strong winds are expected over the next 36 hours or so ahead of a
cold front that will push into the area tomorrow night. For the
rest of today, expect winds to gust to continue to increase
through the afternoon, with winds reaching 35-45 mph with gusts in
excess of 60 mph by 1600 today. Winds will remain strong through
midnight or so before gradually tapering off early tomorrow
morning, though winds will still be gusting to around 45 mph
through noon on Friday. Winds will continue to decrease through
the afternoon and evening on Friday, before the arrival of a cold
front around midnight Friday night. Expect dry conditions through
the next 48 hours with only a 20% chance of a very light snow
shower after midnight Friday night, but no accumulation is
expected.

.REST OF TODAY...

Sky/weather.........Mostly sunny (35-45 percent).
CWR.................5 percent.
Chance of thunder...0 percent.
Max temperature.....55-60.
Min humidity........39-44 percent.
Wind (20 ft)........
 Slope/valley.......Windy. Southwest winds 25 to 30 mph. Gusts up
                    to 50 mph increasing to 60 mph late in the
                    afternoon.
Mixing height.......4000 ft AGL.
Transport winds.....Southwest around 45 mph decreasing to around 35
                    mph late in the afternoon.

TIME (MST)      12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........38  45  50  38  34  37
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   10
Chc of thdr (%).0   0   0   0   0   0
Temp............56  57  56  56  55  51
RH..............44  45  46  46  48  54
20 FT wind dir..SW  SW  SW  SW  SW  SW
20 FT wind spd..25  25  30  30  30  25
20 FT wind gust.50  45  50  55  60  55
Mix hgt (kft)...3.5 4.0 3.5 3.5 2.0 1.5
Transp wind dir.SW  SW  SW  SW  SW  SW
Transp wind spd.45  45  45  45  35  35

.TONIGHT...

Sky/weather.........Mostly cloudy (60-70 percent). Chance of rain
                    in the evening, then rain likely overnight.
CWR.................5 percent increasing to 45 percent late in the
                    evening.
Chance of thunder...0 percent.
Min temperature.....41-46.
Max humidity........72-77 percent.
Wind (20 ft)........
 Slope/valley.......Very windy. Southwest winds 30 to 35 mph with
                    gusts to around 60 mph increasing to 40 to 45
                    mph with gusts to around 70 mph early in the
                    evening, then decreasing to around 40
                    mph early in the morning.
Mixing height.......500 ft AGL.
Transport winds.....Southwest around 40 mph increasing to 45 to 50
                    mph in the evening, then decreasing to 25 to 30
                    mph overnight.

TIME (MST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........51  55  55  56  59  58  67  67  69  71  72  82
Weather cov.....CHC CHC CHC CHC CHC CHC CHC CHC CHC LKY CHC LKY
Weather type....RN  RN  RN  RN  RN  RN  RN  RN  RN  RN  RN  RN
Tstm cov........
CWR.............10  10  10  10  10  50  50  50  50  50  50  50
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............51  49  49  48  49  49  50  49  48  46  45  45
RH..............54  59  64  67  68  69  69  71  71  75  75  77
20 FT wind dir..SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  W
20 FT wind spd..30  35  45  40  40  40  30  30  25  25  25  20
20 FT wind gust.60  60  70  65  65  65  55  55  50  45  45  40
Mix hgt (kft)...1.5 1.0 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 1.0
Transp wind dir.SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  W   W
Transp wind spd.40  50  45  45  45  40  40  35  30  30  30  25

.FRIDAY...

Sky/weather.........Mostly cloudy (70-80 percent). Rain likely.
                    Snow likely late in the afternoon, then chance
                    of rain and snow late in the afternoon.
CWR.................45 percent decreasing to 15 percent.
Chance of thunder...0 percent.
Max temperature.....46-51.
Min humidity........58-63 percent.
Wind (20 ft)........
 Slope/valley.......West winds 15 to 20 mph. Gusts up to 45 mph
                    decreasing to 30 mph late in the afternoon.
Mixing height.......4000 ft AGL.
Transport winds.....West 30 to 35 mph increasing to 40 to 45 mph in
                    the late morning and early afternoon, then
                    decreasing to 30 to 35 mph late in the
                    afternoon.

TIME (MST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........82  82  82  82  82  78  78  78  78  78  78  71
Weather cov.....LKY LKY LKY LKY LKY LKY LKY LKY LKY LKY LKY CHC
Weather type....RN  RN  RN  RN  RN  RN  RN  RN  RS  RS  RS  RS
Tstm cov........
CWR.............50  50  50  50  50  40  40  40  40  40  40  20
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............43  43  43  44  45  46  46  46  45  44  42  40
RH..............77  77  77  73  68  64  62  63  64  66  68  70
20 FT wind dir..SW  SW  SW  W   W   W   W   W   W   W   W   W
20 FT wind spd..20  20  15  20  20  20  20  20  20  20  20  15
20 FT wind gust.40  40  45  45  45  40  40  40  45  45  45  30
Mix hgt (kft)...1.0 1.0 2.0 3.0 3.5 3.5 3.5 4.0 3.5 3.0 2.0 1.5
Transp wind dir.W   W   W   W   W   W   W   W   W   W   W   W
Transp wind spd.30  30  30  35  40  40  45  45  45  40  35  30

$$
Forecaster...Ludwig
Requested by...Sheldon Brewer
Type of request...PRESCRIBED
.TAG 2525854.0/TFX
.DELDT 11/13/25
.FormatterVersion 2.0.0
.EMAIL marti.r@blackfeetnation.com,sbrewer@blackfeetnation.com