945
FOUS55 KTFX 110631
PFMTFX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE GREAT FALLS MT
1231 AM MDT FRI SEP 11 2026
MTZ312-121000-
GREAT FALLS-CASCADE MT
47.47N 111.38W ELEV. 3663 FT
1231 AM MDT FRI SEP 11 2026
DATE 09/10/26 FRI 09/11/26 SAT 09/12/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 49 58 43 58 40
TEMP 54 50 49 51 55 55 51 48 48 45 46 51 57 55 50 47 44 41
DEWPT 48 48 47 45 44 43 43 42 43 41 42 45 45 43 42 41 42 40
RH 80 93 93 80 66 64 74 80 83 86 86 80 64 64 74 79 93 96
WIND DIR NE N NE NE N N N NE NE NE NE NE NE NE NE NE NE NE
WIND SPD 10 9 10 8 8 8 4 5 8 10 10 9 11 14 18 17 14 11
WIND GUST 21
CLOUDS OV OV B2 B2 OV B2 B1 OV B2 OV OV OV B2 B2 B1 B1 B1 B2
POP 12HR 90 90 10 40 20
QPF 12HR 0.25 0.08 0 0.02 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L D S S C S S L
DATE 09/13/26 MON 09/14/26 TUE 09/15/26 WED 09/16/26 THU 09/17/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 59 40 61 39 62 42 60 41 67
TEMP 51 53 45 41 54 58 46 41 56 59 48 43 54 56 46 42 59 63
DEWPT 44 45 41 37 41 39 40 40 43 42 43 43 45 42 42 41 44 44
PWIND DIR NE W W NE E NW W SE SW
WIND CHAR GN GN BZ LT LT LT LT LT LT
AVG CLOUDS B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 SC SC SC FW FW FW FW FW
POP 12HR 70 70 5 10 10 10 20 5 5
RAIN SHWRS L L L C S
MTZ303-121000-
CUT BANK-GLACIER MT
48.60N 112.39W ELEV. 3838 FT
1231 AM MDT FRI SEP 11 2026
DATE 09/10/26 FRI 09/11/26 SAT 09/12/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 43 52 39 50 36
TEMP 47 45 44 46 50 49 46 45 42 41 42 45 48 48 45 44 40 37
DEWPT 45 44 42 41 41 40 41 41 40 40 40 41 41 41 40 40 38 36
RH 93 96 93 83 71 71 83 86 93 96 93 86 77 77 82 86 92 96
WIND DIR N SW N N N N N N NE NE E E E E E E E E
WIND SPD 4 4 5 8 6 8 5 6 6 6 8 10 10 10 9 10 10 11
WIND GUST 20 23
CLOUDS OV OV B2 OV B2 B2 B2 B2 OV OV OV OV OV B2 OV B2 B2 B2
POP 12HR 80 80 30 40 30
QPF 12HR 0.25 0.17 0.05 0.05 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D D C C S C S C S S S S C C L
DATE 09/13/26 MON 09/14/26 TUE 09/15/26 WED 09/16/26 THU 09/17/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 48 36 54 37 54 39 53 37 60
TEMP 42 46 41 38 49 51 43 38 49 51 44 40 48 51 43 38 53 57
DEWPT 42 44 40 37 43 40 41 38 43 42 42 40 43 42 41 38 43 43
PWIND DIR E W NW NW SE S NW SW SW
WIND CHAR GN GN BZ LT LT LT LT LT LT
AVG CLOUDS B2 OV B2 B2 B1 B1 B1 B1 B2 B1 SC SC SC SC FW FW SC FW
POP 12HR 80 60 20 20 10 20 20 5 5
RAIN SHWRS L D L C S S S S S S S
MTZ319-121000-
HELENA-LEWIS & CLARK MT
46.61N 111.96W ELEV. 3893 FT
1231 AM MDT FRI SEP 11 2026
DATE 09/10/26 FRI 09/11/26 SAT 09/12/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 50 65 45 64 44
TEMP 57 52 54 60 61 59 53 51 48 47 49 55 61 59 53 51 48 46
DEWPT 43 46 48 47 44 43 41 42 41 41 42 43 44 42 42 43 43 43
RH 59 80 80 62 53 55 64 71 77 79 77 64 53 53 66 74 83 89
WIND DIR W NW W NW NW N NW NW W N N N N N N N N NE
WIND SPD 5 4 3 6 12 13 12 8 4 0 1 4 11 14 13 11 6 3
WIND GUST 24 24 25
CLOUDS OV B2 B1 B1 B1 B1 B1 B1 B2 OV B2 B1 SC SC B1 B2 B2 B2
POP 12HR 30 70 5 10 30
QPF 12HR 0.01 0.05 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L C C C C L
TSTMS S S S
DATE 09/13/26 MON 09/14/26 TUE 09/15/26 WED 09/16/26 THU 09/17/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 62 43 63 39 66 44 63 42 70
TEMP 52 56 49 44 56 59 47 40 58 62 50 45 57 59 49 42 60 66
DEWPT 43 41 40 38 39 36 38 38 41 38 41 41 42 40 41 40 42 41
PWIND DIR N W W NW NE NW N W SE
WIND CHAR LT GN GN LT LT LT LT LT LT
AVG CLOUDS B2 B2 B1 B2 B1 SC SC SC SC SC SC SC SC FW FW FW FW CL
POP 12HR 80 50 5 5 5 5 10 5 5
RAIN SHWRS L D C C
TSTMS S
MTZ326-121000-
BOZEMAN-GALLATIN MT
45.78N 111.16W ELEV. 4475 FT
1231 AM MDT FRI SEP 11 2026
DATE 09/10/26 FRI 09/11/26 SAT 09/12/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 47 71 41 71 40
TEMP 53 48 53 62 67 66 55 50 47 44 47 58 67 69 57 51 43 41
DEWPT 39 37 41 44 44 45 47 48 47 44 43 44 43 44 45 45 43 41
RH 59 65 64 52 43 47 74 93100100 86 59 42 40 64 80100100
WIND DIR S S NW NW NW N N SW W N E NE NE E E E E E
WIND SPD 4 2 4 4 10 10 8 4 4 4 5 3 5 11 14 13 14 12
WIND GUST 21 25
CLOUDS CL B2 SC SC SC B2 B2 B2 B2 B2 B2 SC SC B1 B1 B1 SC B1
POP 12HR 0 10 20 5 20
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S
DATE 09/13/26 MON 09/14/26 TUE 09/15/26 WED 09/16/26 THU 09/17/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 68 36 62 33 68 36 66 37 71
TEMP 57 62 45 37 53 60 43 36 58 66 45 39 57 64 45 40 61 69
DEWPT 43 39 43 37 38 37 39 36 39 38 42 39 42 40 42 39 41 40
PWIND DIR NE SW W E NE E W E SW
WIND CHAR GN GN GN LT LT LT LT LT LT
AVG CLOUDS B1 B1 B1 B1 SC SC SC SC SC SC FW SC SC FW FW FW FW FW
POP 12HR 40 50 5 0 0 0 5 10 5
RAIN SHWRS S C C C
TSTMS S
MTZ330-121000-
WEST YELLOWSTONE-GALLATIN MT
44.69N 111.11W ELEV. 6644 FT
1231 AM MDT FRI SEP 11 2026
DATE 09/10/26 FRI 09/11/26 SAT 09/12/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 36 70 30 71 38
TEMP 40 37 46 63 68 67 53 43 36 31 40 63 70 68 55 48 41 38
DEWPT 32 33 39 39 29 29 34 37 36 31 32 33 29 30 31 33 36 37
RH 73 85 76 41 23 24 48 79100100 73 32 22 24 40 56 82 96
WIND DIR S S SW SW SW SW NW SE N N N SW SW SW S E E SE
WIND SPD 5 5 6 17 17 11 6 2 0 0 0 9 16 9 3 2 3 9
WIND GUST 17 27 21 25 27 20
CLOUDS SC FW FW CL SC B1 B1 SC B1 SC SC FW SC B1 B1 B1 B2 B2
POP 12HR 0 5 0 5 30
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C
DATE 09/13/26 MON 09/14/26 TUE 09/15/26 WED 09/16/26 THU 09/17/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 60 27 57 27 64 29 64 29 67
TEMP 54 55 38 28 49 55 36 27 56 61 39 29 58 61 39 30 61 64
DEWPT 33 23 26 26 30 24 27 25 28 23 28 27 31 27 32 30 35 31
PWIND DIR S SW SW SW SW S SW SE SW
WIND CHAR WY BZ GN LT LT LT LT LT LT
AVG CLOUDS B1 SC SC SC SC FW FW FW SC FW SC SC SC FW FW SC SC FW
POP 12HR 20 10 0 0 0 0 5 5 5
RAIN SHWRS S
MTZ328-121000-
DILLON-BEAVERHEAD MT
45.26N 112.55W ELEV. 5357 FT
1231 AM MDT FRI SEP 11 2026
DATE 09/10/26 FRI 09/11/26 SAT 09/12/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 45 73 38 73 41
TEMP 50 47 52 66 71 69 55 47 42 39 44 59 70 70 57 50 43 41
DEWPT 34 33 38 39 35 39 40 42 42 39 42 42 40 40 41 43 42 41
RH 54 58 59 37 27 33 57 83100100 93 53 33 33 55 77 96100
WIND DIR S S SW W W NW NE NE NE SE W N N NE NE NE NE NE
WIND SPD 11 8 4 5 11 12 11 9 4 3 3 3 6 10 10 12 10 6
WIND GUST 21 17
CLOUDS FW B2 FW FW B1 B1 B2 B2 B1 B1 SC SC B2 B2 B1 B1 B1 B2
POP 12HR 0 0 0 5 20
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S
DATE 09/13/26 MON 09/14/26 TUE 09/15/26 WED 09/16/26 THU 09/17/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 66 36 62 35 67 36 66 37 71
TEMP 58 60 42 36 53 60 42 35 58 65 45 36 58 63 44 38 60 69
DEWPT 35 29 34 33 33 34 37 34 36 33 38 36 38 37 40 37 39 38
PWIND DIR W SW W NE NE NE NW E SW
WIND CHAR BZ BZ GN LT LT LT LT LT LT
AVG CLOUDS B1 SC SC SC SC FW FW FW FW FW FW SC SC FW FW SC FW FW
POP 12HR 20 10 0 0 0 0 5 5 5
RAIN SHWRS S S
MTZ305-121000-
HAVRE-HILL MT
48.54N 109.76W ELEV. 2585 FT
1231 AM MDT FRI SEP 11 2026
DATE 09/10/26 FRI 09/11/26 SAT 09/12/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 46 64 39 59 37
TEMP 51 48 49 55 60 59 52 47 43 41 45 53 56 56 49 46 42 39
DEWPT 44 45 46 45 41 41 41 42 41 40 40 42 41 41 40 41 39 36
RH 77 89 89 69 49 51 66 83 93 96 82 66 57 57 71 83 89 89
WIND DIR NW NW W NW NW NW NW N NE NE NE E E E E E E E
WIND SPD 3 4 5 9 12 14 8 3 3 4 6 8 8 10 10 11 12 14
CLOUDS OV OV OV B1 B1 B2 B1 B2 B2 OV OV OV OV B2 B1 B1 B1 B1
POP 12HR 70 60 5 30 10
QPF 12HR 0.09 0.04 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L S C
DATE 09/13/26 MON 09/14/26 TUE 09/15/26 WED 09/16/26 THU 09/17/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 61 39 62 36 65 40 63 38 68
TEMP 53 55 46 41 52 57 44 40 56 59 48 42 56 58 45 41 60 63
DEWPT 44 47 45 41 45 42 42 40 44 43 43 42 46 44 43 41 45 45
PWIND DIR E S W W E E W S SW
WIND CHAR BZ GN BZ LT LT LT LT LT LT
AVG CLOUDS B1 B2 OV B2 B2 B1 B1 B1 B1 B1 SC SC SC SC SC FW FW FW
POP 12HR 70 90 50 10 5 20 20 5 5
RAIN SHWRS C L D L C S S S
TSTMS S
MTZ314-121000-
LEWISTOWN-FERGUS MT
47.05N 109.46W ELEV. 4144 FT
1231 AM MDT FRI SEP 11 2026
DATE 09/10/26 FRI 09/11/26 SAT 09/12/26 SUN
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 47 58 40 59 37
TEMP 52 48 48 50 54 56 50 46 44 43 45 50 56 58 50 46 42 39
DEWPT 45 45 46 47 47 44 42 42 41 40 41 42 44 41 41 41 39 36
RH 77 89 93 89 77 64 74 86 89 89 86 74 64 53 71 83 89 89
WIND DIR W N NW NW N N N W E E E E E E E E E E
WIND SPD 3 3 4 4 6 6 3 1 1 3 5 5 9 13 16 16 17 17
WIND GUST 19 24 26 27 28
CLOUDS SC B2 OV B1 B2 B2 B1 OV OV OV OV B2 OV B1 B2 B1 B2 B1
POP 12HR 10 90 30 20 30
QPF 12HR 0 0.12 0.01 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S D C C S S S S S C C C
TSTMS S
DATE 09/13/26 MON 09/14/26 TUE 09/15/26 WED 09/16/26 THU 09/17/26
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 62 38 58 35 63 39 60 39 67
TEMP 51 59 45 39 50 57 42 38 56 61 46 41 53 58 45 41 59 65
DEWPT 44 46 42 35 39 38 38 37 40 40 39 39 43 41 40 38 41 42
PWIND DIR SE W W W SE SE W SE SW
WIND CHAR BZ GN WY LT LT LT LT LT LT
AVG CLOUDS B1 B2 OV B1 B1 B1 SC SC SC SC SC SC SC FW FW FW SC FW
POP 12HR 60 80 20 5 10 5 10 10 0
RAIN SHWRS C L D S S
TSTMS S S
HTTP://WWW.WEATHER.GOV/GREATFALLS
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page