024
FOUS55 KTFX 171831
PFMTFX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE GREAT FALLS MT
1231 PM MDT MON AUG 17 2026
MTZ312-172200-
GREAT FALLS-CASCADE MT
47.47N 111.38W ELEV. 3663 FT
1231 PM MDT MON AUG 17 2026
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 82 52 83 53 86
TEMP 80 78 67 61 57 54 61 76 81 80 68 62 56 54 62 79 84 84
DEWPT 44 46 48 48 48 47 48 46 40 40 44 45 43 42 42 40 37 36
RH 28 32 50 62 72 77 62 34 23 24 42 54 62 64 48 25 19 18
WIND DIR NW N E SE SW SW SW W W W S SW SW SW SW W W W
WIND SPD 5 9 5 3 4 4 4 4 6 5 5 8 9 9 9 10 8 6
WIND GUST 17
CLOUDS SC B1 SC SC SC SC FW SC SC B1 SC FW FW SC CL CL CL FW
POP 12HR 30 20 20 10 0
QPF 12HR 0.01 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S
TSTMS S S S S
OBVIS K K K K K K K K K K K K
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 54 84 55 85 59 87 57 83
TEMP 64 55 77 83 66 56 76 83 69 60 80 82 66 59 77 80
DEWPT 39 38 46 43 45 46 48 47 49 50 51 49 50 48 44 39
PWIND DIR SW W NE NW E SW SW SW
WIND CHAR LT LT GN LT GN LT GN GN
AVG CLOUDS FW SC FW FW FW SC FW SC SC B1 B1 B1 B1 SC FW FW
POP 12HR 0 0 0 0 20 30 40 20
RAIN SHWRS S S C C S S
MTZ303-172200-
CUT BANK-GLACIER MT
48.60N 112.39W ELEV. 3838 FT
1231 PM MDT MON AUG 17 2026
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 76 48 77 51 82
TEMP 74 73 63 55 51 49 56 72 76 75 64 58 53 52 60 75 80 80
DEWPT 46 47 49 49 47 46 47 46 41 41 45 44 41 40 42 41 40 40
RH 37 40 60 80 86 89 72 39 28 29 50 59 64 63 51 29 24 24
WIND DIR NW N SW W W NW W SW NW NW SW W W W W W W W
WIND SPD 5 8 4 3 3 2 2 5 10 9 6 9 9 9 9 11 12 12
WIND GUST 16 20 21 23
CLOUDS B1 B1 B1 SC SC B1 SC SC SC SC FW CL FW SC FW FW FW FW
POP 12HR 60 50 20 10 0
QPF 12HR 0.05 0.01 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S S
TSTMS C C S S
OBVIS K K K K K K K K K K K K K K
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 51 77 50 80 54 80 53 74
TEMP 59 52 69 76 59 51 71 79 63 55 73 77 61 55 71 73
DEWPT 41 42 49 45 46 47 48 46 47 47 50 47 46 44 43 40
PWIND DIR W N NE E SE SE SW W
WIND CHAR GN GN LT LT GN LT GN BZ
AVG CLOUDS FW SC FW FW FW FW FW SC SC B1 B2 SC B1 SC SC FW
POP 12HR 0 0 0 0 20 20 30 20
RAIN SHWRS S S S C S S
TSTMS S
MTZ319-172200-
HELENA-LEWIS & CLARK MT
46.61N 111.96W ELEV. 3893 FT
1231 PM MDT MON AUG 17 2026
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 83 54 83 51 85
TEMP 80 82 70 64 59 55 60 74 81 80 69 62 57 53 58 75 83 84
DEWPT 46 43 45 47 47 46 47 48 43 41 43 44 43 43 43 44 37 35
RH 30 25 41 54 64 72 62 40 26 25 39 52 59 69 57 33 19 17
WIND DIR W NW W W W N N NE NW W W SW SW SW N W W NW
WIND SPD 5 10 5 3 1 0 0 3 9 9 5 5 4 3 0 3 10 10
WIND GUST 19 20
CLOUDS SC B2 B1 B1 B1 B1 SC SC SC B2 B2 SC FW SC CL CL FW FW
POP 12HR 20 20 20 10 0
QPF 12HR 0 0 0.02 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S
TSTMS S S S S
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 54 88 56 88 58 86 56 82
TEMP 63 54 76 87 67 56 77 86 68 58 78 81 65 56 75 79
DEWPT 38 40 42 40 44 46 48 47 51 50 53 51 51 48 48 42
PWIND DIR W N NW NE W S SW W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC FW FW FW SC SC SC B1 B1 B1 B1 B1 SC SC SC
POP 12HR 0 0 0 5 30 40 30 20
RAIN SHWRS C S C C S
TSTMS S S
MTZ326-172200-
BOZEMAN-GALLATIN MT
45.78N 111.16W ELEV. 4475 FT
1231 PM MDT MON AUG 17 2026
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 81 51 80 49 84
TEMP 78 76 63 60 56 52 60 73 78 77 63 58 54 50 59 73 81 82
DEWPT 47 49 50 50 49 48 48 49 45 46 49 48 47 46 46 46 41 39
RH 33 39 62 69 77 86 64 43 31 33 60 69 77 86 62 38 24 22
WIND DIR NW N SE S S SE SE W NW SW S SE SE S N W W W
WIND SPD 4 8 6 4 3 3 1 3 6 6 4 4 3 2 0 3 5 6
CLOUDS B1 B2 B2 B1 B1 SC FW SC SC B1 B2 B2 FW SC CL CL CL FW
POP 12HR 50 30 30 30 0
QPF 12HR 0.01 0.02 0.02 0.01 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S S S C
TSTMS C C S S S C
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 51 88 53 88 55 86 52 83
TEMP 61 51 77 85 65 53 80 86 66 56 78 81 63 54 75 80
DEWPT 43 40 44 39 45 46 47 46 51 51 51 51 54 51 50 45
PWIND DIR SE NW E NE E S SE SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW SC SC SC SC B1 B2 B1 B1 B1 SC SC SC
POP 12HR 0 0 0 0 30 30 40 20
RAIN SHWRS C S S C C S
TSTMS S S S S
MTZ330-172200-
WEST YELLOWSTONE-GALLATIN MT
44.69N 111.11W ELEV. 6644 FT
1231 PM MDT MON AUG 17 2026
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 75 39 75 36 79
TEMP 74 68 58 51 45 41 50 69 73 66 57 49 43 38 49 70 78 76
DEWPT 41 45 47 46 44 41 44 45 40 39 45 44 42 38 41 40 34 33
RH 30 43 67 83 96100 80 42 30 37 64 83 96100 74 33 20 21
WIND DIR SW SW N N N N N SW SW W N N N N N W W W
WIND SPD 10 5 0 0 0 0 0 4 11 3 0 0 0 0 0 5 10 8
WIND GUST 17
CLOUDS B1 B2 OV B2 B2 B1 SC SC B1 B1 B1 SC SC SC FW CL FW FW
POP 12HR 70 60 30 30 0
QPF 12HR 0.03 0.02 0.08 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L S S C C C S
TSTMS C C S S C C C S
OBVIS PF PF
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 39 83 43 84 46 79 43 76
TEMP 52 40 76 79 56 44 78 81 57 47 73 72 55 44 70 69
DEWPT 37 34 41 38 43 40 46 41 47 45 50 48 48 43 47 43
PWIND DIR W SW SW SW E SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC FW FW SC SC SC SC B1 B2 B2 B1 B1 B1 SC B1
POP 12HR 0 0 0 20 30 30 20 30
RAIN SHWRS S C S S C S S C
TSTMS S S C S C
MTZ328-172200-
DILLON-BEAVERHEAD MT
45.26N 112.55W ELEV. 5357 FT
1231 PM MDT MON AUG 17 2026
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 79 49 80 47 83
TEMP 77 73 62 58 54 51 56 71 78 74 62 56 52 48 55 71 81 80
DEWPT 49 52 51 49 47 46 48 50 47 51 50 46 45 43 46 47 42 44
RH 37 48 67 72 77 83 74 47 33 44 65 69 77 83 72 42 25 28
WIND DIR W W E S S S SW N NW N SE S S S SW W W W
WIND SPD 5 8 4 4 4 4 3 2 6 6 3 4 4 4 2 2 8 8
WIND GUST 17
CLOUDS B2 B2 B2 B2 B1 SC FW SC SC B2 B1 SC FW FW CL CL FW FW
POP 12HR 30 50 20 20 0
QPF 12HR 0.02 0.01 0.02 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C S S S S
TSTMS S C S S S S
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 49 86 52 86 53 83 50 81
TEMP 59 50 76 82 62 53 77 82 62 54 75 77 58 52 73 75
DEWPT 41 38 48 48 46 44 50 53 53 50 53 54 51 48 50 48
PWIND DIR S SW S W SE S S SW
WIND CHAR LT LT LT LT LT LT GN LT
AVG CLOUDS SC SC FW FW SC SC SC SC B1 B2 B2 B1 B1 SC SC SC
POP 12HR 0 0 5 5 40 40 30 20
RAIN SHWRS C S C C S
TSTMS S S S S
MTZ305-172200-
HAVRE-HILL MT
48.54N 109.76W ELEV. 2585 FT
1231 PM MDT MON AUG 17 2026
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 82 51 84 54 86
TEMP 80 78 68 61 55 52 61 75 82 82 70 63 60 56 64 78 84 84
DEWPT 47 47 50 50 48 48 48 49 46 46 48 48 47 45 45 47 43 42
RH 31 33 52 67 77 86 62 40 28 28 45 58 62 66 50 33 24 23
WIND DIR NW NW N S S N N E W NW S S SW SW SW W W NW
WIND SPD 5 6 3 3 1 0 0 2 5 5 4 6 9 10 11 10 9 10
CLOUDS B1 SC B1 SC SC SC FW SC SC SC SC B1 FW SC CL CL FW FW
POP 12HR 20 30 20 20 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S S S
TSTMS S S S S S S
OBVIS K K K K K K K K K
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 54 85 54 87 58 89 57 84
TEMP 65 55 78 84 63 55 79 85 67 59 81 86 67 59 78 82
DEWPT 45 43 48 45 47 46 48 46 48 47 50 49 52 48 46 42
PWIND DIR SE N NE E E SE S W
WIND CHAR LT LT LT GN GN GN GN GN
AVG CLOUDS SC SC FW FW FW FW FW FW SC B1 B1 B1 B1 B1 SC FW
POP 12HR 0 0 0 0 10 20 40 10
RAIN SHWRS S C C
TSTMS S
MTZ314-172200-
LEWISTOWN-FERGUS MT
47.05N 109.46W ELEV. 4144 FT
1231 PM MDT MON AUG 17 2026
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 77 50 79 51 82
TEMP 76 75 63 58 55 52 62 75 76 76 64 59 56 52 63 76 81 80
DEWPT 48 48 50 49 47 44 48 47 47 48 49 47 44 40 42 41 41 40
RH 37 38 62 72 74 74 60 37 36 37 58 64 64 63 46 28 24 24
WIND DIR NW NW S S SE S N N W NW S S S SW W W NW NW
WIND SPD 6 5 3 3 3 3 0 2 5 3 4 5 5 5 4 8 9 6
CLOUDS B1 B2 B1 SC SC SC SC SC B1 B2 B1 SC FW SC FW CL CL FW
POP 12HR 30 50 30 20 0
QPF 12HR 0 0.02 0.02 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S S S C S
TSTMS C C S S S C S
OBVIS K K
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 52 84 53 85 56 86 55 82
TEMP 60 54 78 81 61 54 78 82 65 57 80 80 63 57 76 77
DEWPT 41 36 41 43 46 45 48 48 48 48 51 52 52 49 46 46
PWIND DIR S W E E E SE SW W
WIND CHAR LT LT LT LT GN LT LT LT
AVG CLOUDS FW SC FW CL FW SC SC FW SC B1 B1 SC B2 SC SC SC
POP 12HR 0 0 0 0 20 20 40 20
RAIN SHWRS S S C S
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