685
FOUS55 KTFX 160446
PFMTFX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE GREAT FALLS MT
1046 PM MDT WED APR 15 2026
MTZ312-161000-
GREAT FALLS-CASCADE MT
47.47N 111.38W ELEV. 3663 FT
1046 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 SAT
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 28 39 22 45 25
TEMP 41 37 32 28 34 38 34 28 26 24 24 29 41 43 44 35 32 29 26
DEWPT 38 31 26 23 17 16 15 12 17 17 16 17 20 20 23 24 25 22 18
RH 89 79 78 81 49 40 45 50 68 74 71 60 42 39 43 64 75 75 71
WIND DIR W W W NW NW NW NW NW NW SW S W NW NW W W SW SW SW
WIND SPD 14 14 16 18 16 14 16 10 5 5 5 6 10 11 10 6 6 9 10
CLOUDS OV B2 B1 SC SC B1 B2 OV SC SC SC B1 B1 B2 B1 B1 SC FW FW
POP 12HR 50 30 40 50 10
QPF 12HR 0.07 0.01 0.01 0.03 0.01
SNOW 12HR 00-00 T T
RAIN SHWRS C
SNOWSHWRS C C S S C C C S S C C
TSTMS
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 58 31 69 40 73 42 75 46 66
TEMP 49 58 40 32 60 68 48 41 64 72 54 43 68 73 56 47 59 57
DEWPT 20 20 23 19 25 27 31 28 32 31 35 32 37 32 37 34 38 39
PWIND DIR SW SW SW SW W SE SW S W
WIND CHAR GN GN GN GN GN GN GN GN BZ
AVG CLOUDS FW FW SC FW FW FW SC SC SC SC SC SC FW FW SC B1 B2 B1
POP 12HR 0 0 0 0 5 5 10 30 50
RAIN SHWRS S C C C
TSTMS S
MTZ303-161000-
CUT BANK-GLACIER MT
48.60N 112.39W ELEV. 3838 FT
1046 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 SAT
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 19 30 14 44 21
TEMP 37 28 21 20 24 29 27 22 21 17 15 24 38 43 42 33 28 23 22
DEWPT 29 26 18 16 11 12 13 13 15 12 12 15 17 16 17 20 20 19 16
RH 72 92 88 84 57 48 55 68 77 80 88 68 42 33 36 58 71 84 77
WIND DIR W NW NW NW NW NW NW NW NW SW W NW N NW NW NW SW W W
WIND SPD 19 21 23 26 26 26 21 13 6 4 4 5 13 16 12 5 5 6 10
WIND GUST 33 36 39 40 33 24
CLOUDS B1 B1 B1 OV B2 B2 B2 B2 SC SC B2 B2 B1 SC SC SC FW FW FW
POP 12HR 40 50 20 20 5
QPF 12HR 0.01 0.02 0 0 0
SNOW 12HR 00-00 T 00-00
RAIN SHWRS
SNOWSHWRS C C S C C S S S
OBVIS BS
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 56 26 67 35 71 38 73 42 64
TEMP 49 55 36 27 57 66 43 35 61 70 49 39 65 71 52 43 56 57
DEWPT 20 19 21 19 23 24 28 26 28 27 32 31 35 31 35 33 37 38
PWIND DIR W W SW W N SE S W W
WIND CHAR GN GN GN GN GN GN GN BZ BZ
AVG CLOUDS FW FW SC FW FW SC SC SC SC FW SC SC SC FW SC SC B2 B1
POP 12HR 0 0 0 0 0 5 5 20 40
RAIN SHWRS S C C
MTZ319-161000-
HELENA-LEWIS & CLARK MT
46.61N 111.96W ELEV. 3893 FT
1046 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 SAT
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 27 43 25 46 25
TEMP 38 35 31 32 38 42 41 33 29 27 25 31 40 43 45 38 32 28 25
DEWPT 32 29 27 22 15 15 14 17 18 18 17 19 19 20 22 22 21 19 18
RH 79 78 85 66 38 33 33 51 63 68 71 61 42 39 40 52 63 68 74
WIND DIR W W W W W W NW NW W W SW W NW NW N NW SW SW SW
WIND SPD 10 8 5 10 11 18 17 10 5 5 5 6 10 13 11 5 4 5 4
WIND GUST 21 23 28 28 20 24
CLOUDS B2 B2 B1 B2 B1 B1 B1 B2 SC SC B1 B1 B2 B2 B1 SC FW FW FW
POP 12HR 40 40 40 70 10
QPF 12HR 0.02 0.02 0.03 0.05 0.01
SNOW 12HR 00-00 T T
RAIN SHWRS
SNOWSHWRS C C C S C C S C S C C L L
TSTMS S S
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 30 68 38 73 42 74 43 64
TEMP 46 59 40 31 55 68 48 38 61 73 52 42 65 73 54 44 56 58
DEWPT 18 19 23 21 24 24 28 27 29 27 31 30 33 32 35 35 35 32
PWIND DIR SW SW S SW S SW S S W
WIND CHAR LT LT LT LT LT LT LT LT GN
AVG CLOUDS FW FW SC FW FW SC B1 SC B1 SC SC FW SC SC B1 B1 B1 B2
POP 12HR 0 0 0 0 5 5 20 40 60
RAIN SHWRS S C C C L
MTZ326-161000-
BOZEMAN-GALLATIN MT
45.78N 111.16W ELEV. 4475 FT
1046 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 SAT
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 25 39 19 43 19
TEMP 40 35 29 28 33 37 36 31 26 25 22 26 36 40 42 33 27 23 20
DEWPT 37 33 28 27 25 23 20 19 19 19 17 19 20 21 22 24 22 19 16
RH 89 92 96 96 72 56 52 61 74 78 81 74 52 46 44 69 81 84 84
WIND DIR NW NW NW NW W NW W W NW W SW W W W W W S S S
WIND SPD 10 6 4 5 6 9 9 5 4 3 4 5 8 8 6 3 2 3 3
CLOUDS OV OV OV OV OV B2 B2 B1 B2 B1 B2 B2 B2 B2 B1 SC FW FW FW
POP 12HR 90 80 50 70 20
QPF 12HR 0.26 0.11 0.02 0.03 0.01
SNOW 12HR 1 3 T
RAIN SHWRS D
SNOWSHWRS D D D D L L C C C S C C L L S S
TSTMS S S
OBVIS PF PF
WINTER WEATH Y Y Y Y Y Y
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 57 27 66 34 72 39 73 39 63
TEMP 44 56 36 28 54 65 44 35 61 71 50 40 67 71 51 40 56 57
DEWPT 19 21 23 18 25 26 29 26 30 28 32 29 34 31 36 31 34 34
PWIND DIR SW S S S SW S S S SW
WIND CHAR LT LT LT LT LT LT LT LT GN
AVG CLOUDS FW FW SC FW SC SC B1 SC SC SC B1 FW SC SC B1 B1 B1 B2
POP 12HR 0 0 0 0 5 5 20 40 60
RAIN SHWRS S C C C L
MTZ330-161000-
WEST YELLOWSTONE-GALLATIN MT
44.69N 111.11W ELEV. 6644 FT
1046 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 SAT
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 25 34 12 36 11
TEMP 32 31 27 27 30 33 29 22 18 14 12 19 31 35 34 25 17 13 11
DEWPT 31 30 26 24 19 18 16 14 12 8 8 11 13 13 16 17 14 11 8
RH 96 96 96 88 63 53 58 71 77 76 84 70 47 40 47 71 88 91 87
WIND DIR SW SW SW SW SW W W S W S SW W W W W W W W SW
WIND SPD 10 9 8 9 9 8 5 3 2 2 2 2 4 5 5 2 1 1 1
WIND GUST 33 27 25 26 25 23 19 14 18 19
CLOUDS OV OV OV OV OV OV B2 B1 SC SC B1 B1 B2 B2 B2 SC SC FW FW
POP 12HR 100 90 70 70 20
QPF 12HR 0.29 0.22 0.02 0.02 0.01
SNOW 12HR 2 4 T
RAIN SHWRS D
SNOWSHWRS D D D D D D L C S C C L L S S
TSTMS S S S
OBVIS PF PF
WINTER STORM W W W W W W W W
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 46 18 58 25 64 31 63 31 52
TEMP 37 45 24 18 50 55 32 25 57 61 38 32 58 59 38 32 46 47
DEWPT 14 18 17 14 21 26 24 20 28 31 29 26 31 32 32 29 31 32
PWIND DIR SW S S S S SE S S SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC FW FW SC SC SC SC SC SC SC SC B1 B1 B1 B1 B2
POP 12HR 0 0 0 0 5 10 30 50 70
RAIN SHWRS C C C C L
SNOWSHWRS C C C L
MTZ328-161000-
DILLON-BEAVERHEAD MT
45.26N 112.55W ELEV. 5357 FT
1046 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 SAT
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 25 38 19 43 20
TEMP 37 32 28 27 34 36 36 28 24 22 21 27 39 42 39 31 26 22 21
DEWPT 34 29 25 24 19 16 12 12 13 14 14 15 18 17 18 18 17 14 13
RH 89 88 88 88 54 43 36 50 62 71 74 60 42 36 42 58 68 71 71
WIND DIR W W SW NW NW NW NW W SW SW SW SW W W NW SW SW S S
WIND SPD 13 11 10 12 13 14 14 10 9 6 6 8 11 12 11 5 5 5 5
WIND GUST 25
CLOUDS B2 B2 OV OV OV B2 B1 B1 B2 B1 SC B1 B1 B1 B1 SC FW FW FW
POP 12HR 70 70 20 30 0
QPF 12HR 0.03 0.03 0.01 0 0
SNOW 12HR 00-00 T T
RAIN SHWRS
SNOWSHWRS L L L L L C S C C
TSTMS S
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 55 28 64 35 70 40 70 40 60
TEMP 44 54 35 29 56 62 43 36 62 68 49 41 66 66 49 41 55 54
DEWPT 18 19 20 18 25 25 26 23 29 25 30 28 32 28 32 31 33 31
PWIND DIR SW S S S SW S S S S
WIND CHAR GN GN GN GN GN GN GN GN BZ
AVG CLOUDS FW FW SC FW FW SC B1 B1 SC SC B1 SC FW SC B1 B1 B1 B1
POP 12HR 0 0 0 0 0 5 20 40 50
RAIN SHWRS S C C C C
MTZ305-161000-
HAVRE-HILL MT
48.54N 109.76W ELEV. 2585 FT
1046 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 SAT
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 26 37 17 46 25
TEMP 41 37 31 27 32 36 32 25 21 19 19 23 35 43 45 35 29 27 26
DEWPT 40 35 28 23 19 18 15 13 14 13 13 15 16 14 17 19 21 20 19
RH 96 92 88 85 58 47 49 60 74 77 77 71 45 30 32 52 72 74 74
WIND DIR W W W NW NW NW NW NW NW NW W W NW NW NW NW W SW SW
WIND SPD 10 13 17 18 18 19 18 13 11 10 8 8 10 13 13 6 4 4 5
CLOUDS OV OV B2 B2 B1 B2 B2 B2 SC B1 B1 SC FW SC SC SC SC B1 SC
POP 12HR 80 70 30 5 0
QPF 12HR 0.10 0.01 0 0 0
SNOW 12HR 00-00 T 00-00
RAIN SHWRS L L
SNOWSHWRS L C S S C S S
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 30 69 37 74 41 77 44 69
TEMP 49 59 38 30 57 68 47 38 63 72 51 42 69 75 55 45 62 65
DEWPT 24 21 25 21 27 25 30 28 33 31 36 33 39 36 39 37 41 39
PWIND DIR SW S SW SW W E SE E E
WIND CHAR LT LT LT GN LT GN GN GN GN
AVG CLOUDS FW FW FW FW FW FW SC SC SC FW FW FW FW FW SC SC B1 B1
POP 12HR 0 0 0 0 0 5 5 20 40
RAIN SHWRS S S C
MTZ314-161000-
LEWISTOWN-FERGUS MT
47.05N 109.46W ELEV. 4144 FT
1046 PM MDT WED APR 15 2026
DATE 04/15/26 THU 04/16/26 FRI 04/17/26 SAT
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 27 38 17 42 22
TEMP 41 36 31 28 34 37 35 26 23 21 18 25 37 41 40 31 27 26 24
DEWPT 40 34 27 22 19 18 16 14 14 13 12 15 17 15 15 17 19 19 16
RH 96 92 85 78 54 46 45 60 68 71 77 65 44 34 36 56 71 74 71
WIND DIR W W W NW NW NW NW NW NW NW W NW NW NW NW W W SW SW
WIND SPD 10 14 17 20 18 18 17 12 10 10 10 12 16 17 13 6 5 5 6
WIND GUST 27 31 28 28 26 27
CLOUDS OV OV B1 B2 B1 B2 B2 B1 B1 B2 B1 B1 B1 B1 SC SC SC FW FW
POP 12HR 90 50 30 40 10
QPF 12HR 0.11 0.02 0.01 0 0
SNOW 12HR 00-00 T T
RAIN SHWRS D
SNOWSHWRS L C C S C C S S C C
TSTMS
DATE 04/18/26 SUN 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26
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 55 31 66 40 70 42 74 44 66
TEMP 46 54 37 32 58 65 46 41 66 68 49 43 70 71 53 45 61 58
DEWPT 18 21 22 19 22 27 27 24 30 32 33 29 35 35 36 33 37 38
PWIND DIR W SW SW SW W SE S SE W
WIND CHAR GN LT LT GN GN GN GN GN GN
AVG CLOUDS FW FW FW FW FW FW SC SC SC SC SC SC FW FW B1 B1 B1 B1
POP 12HR 0 0 0 0 5 5 10 30 50
RAIN SHWRS C C C C
HTTP://WWW.WEATHER.GOV/GREATFALLS
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page