699
FNUS75 KTFX 301122
FWSTFX

Spot Forecast for Newton Fire...USFS
National Weather Service Great Falls MT
522 AM MDT Tue Sep 30 2025

Forecast is based on forecast start time of 0600 MDT on September 30.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Scattered showers/isolated thunderstorms are possible today.
Overall the best chance for precipitation is this morning.
Precipitation amounts will be light, generally less than 0.20
inches. A passing shower is possible over the next few days, but
again any precipitation looks light. Do expect a slow cooling
trend through Friday as well.

.TODAY...

Sky/weather.........Mostly cloudy (65-75 percent). Chance of rain in
                    the morning, then chance of rain showers and
                    slight chance of thunderstorms in the
                    afternoon.
CWR.................5 percent.
Chance of thunder...15 percent.
Max temperature.....63-68.
Min humidity........39-44 percent.
Wind (20 ft)........
 Slope/valley.......Southwest winds around 5 mph. Gusty and erratic
                    winds expected near thunderstorms late in the
                    afternoon.
 Ridgetop...........Southwest 20 to 25 mph.
Mixing height.......7000 ft AGL.
Transport winds.....Southwest 10 to 15 mph increasing to 15 to 20
                    mph in the afternoon.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........65  75  75  63  70  69  75  75  79  67  59  61
Weather cov.....CHC CHC SCH SCH SCH SCH     SCH SCH CHC CHC CHC
Weather type....RN  RN  RN  RN  RN  RN      RN  RN  RW  RW  RW
Tstm cov........                                    SCH SCH SCH
CWR.............10  10  10  10  10  10  10  10  10  10  10  10
Chc of thdr (%).10  10  10  10  10  10  10  10  10  20  20  20
Temp............51  49  49  52  56  58  59  62  63  64  64  65
RH..............86  86  86  85  67  62  57  52  48  45  44  44
20 FT wind dir..SW  SW  SW  SW  SW  W   W   W   SW  SW  SW  SW
20 FT wind spd..5   5   5   5   5   5   5   5   5   5   5   5
20 FT wind gust.10  10  15  15  15  15  15  15  15  15  15  15
Ridge wind dir..S   S   S   SW  SW  SW  SW  SW  SW  SW  SW  SW
Ridge wind spd..20  25  25  25  25  20  20  20  20  20  20  20
Mix hgt (kft)...0.1 0.1 0.1 1.0 2.0 3.5 4.0 5.0 6.0 7.0 7.0 6.5
Transp wind dir.SW  SW  SW  SW  W   W   W   W   W   W   SW  SW
Transp wind spd.10  10  10  15  15  15  20  20  15  15  15  15

.TONIGHT...

Sky/weather.........Mostly cloudy (55-65 percent). A chance for
                    a rain shower or isolated thunderstorm.
CWR.................10 percent.
Chance of thunder...16 percent.
Min temperature.....43-48.
Max humidity........64-69 percent.
Wind (20 ft)........
 Slope/valley.......Southwest winds around 5 mph. Gusty and erratic
                    winds expected near thunderstorms early in the
                    evening.
 Ridgetop...........Southwest 15 to 20 mph.
Mixing height.......100 ft AGL.
Transport winds.....Southwest around 15 mph decreasing to 5 to 10
                    mph in the evening and overnight, then
                    increasing to around 15 mph overnight.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........68  58  72  52  47  58  55  35  47  61  54  46
Weather cov.....CHC CHC CHC SCH SCH
Weather type....RW  RW  RW  RN  RN
Tstm cov........SCH SCH SCH
CWR.............10  10  10  10  10  10  10  10  10  10  10  10
Chc of thdr (%).20  20  20  10  10  10  10  10  10  0   0   0
Temp............62  60  57  53  52  51  50  50  49  49  48  47
RH..............45  47  54  59  63  65  67  66  66  67  67  68
20 FT wind dir..SW  SW  SW  SW  S   S   S   S   S   SW  SW  S
20 FT wind spd..5   5   5   5   5   5   5   5   5   5   5   5
20 FT wind gust.10  10  10  10  10  10  15  15  15  15  15  15
Ridge wind dir..SW  SW  SW  SW  SW  W   W   W   SW  SW  SW  SW
Ridge wind spd..20  15  15  15  20  20  20  20  20  15  20  20
Mix hgt (kft)...4.0 1.0 0.5 0.1 0.1 0.1 0.1 0.1 0.5 0.1 0.1 0.1
Transp wind dir.SW  W   W   SW  SW  SW  SW  SW  SW  SW  SW  SW
Transp wind spd.15  5   5   10  10  10  10  10  15  15  15  15

.WEDNESDAY...

Sky/weather.........Partly Cloudy (30-40 percent). Slight chance
                    of a shower or isolated thunderstorm.
CWR.................5 percent.
Chance of thunder...8 percent.
Max temperature.....62-67.
Min humidity........29-34 percent.
Wind (20 ft)........
 Slope/valley.......Southwest winds 5 to 10 mph.
 Ridgetop...........Southwest 25 to 30 mph.
Mixing height.......8500 ft AGL.
Transport winds.....Southwest 10 to 15 mph increasing to 20 to 25
                    mph in the late morning and afternoon.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........45  33  29  14  13  22  30  30  30  57  57  57
Weather cov.....
Weather type....
Tstm cov........
CWR.............10  10  10  10  10  10  10  10  10  10  10  10
Chc of thdr (%).10  10  10  0   0   0   10  10  10  10  10  10
Temp............47  46  45  49  54  57  60  62  63  64  64  63
RH..............66  69  69  59  54  48  43  40  37  34  33  33
20 FT wind dir..S   S   S   SW  SW  SW  SW  SW  SW  SW  SW  SW
20 FT wind spd..5   10  10  10  10  10  10  10  10  10  10  10
20 FT wind gust.15  15  20  20  20  20  20  20  20  20  20  20
Ridge wind dir..SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
Ridge wind spd..25  25  30  30  30  25  25  25  25  25  25  25
Mix hgt (kft)...0.1 0.1 0.5 1.5 3.5 4.5 6.0 6.5 7.5 8.5 8.0 6.5
Transp wind dir.SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
Transp wind spd.15  15  10  15  20  20  20  25  25  25  25  25

$$
Forecaster...Brusda
Requested by...Kyle Miller
Type of request...WILDFIRE
.TAG 2522593.3/TFX
.DELDT 09/30/25
.FormatterVersion 2.0.0
.EMAIL per.frisk@usda.gov,kyle.a.miller@usda.gov,philip.quigley@usda.gov,owen.johnson@usda.gov