186  
FOUS55 KTFX 160631  
PFMTFX  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
1231 AM MDT THU APR 16 2026  
 
MTZ312-171000-  
GREAT FALLS-CASCADE MT  
47.47N 111.38W ELEV. 3663 FT  
1231 AM MDT THU APR 16 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 37 32 28 34 38 34 28 26 24 24 29 41 43 44 35 32 29 26  
DEWPT 31 26 22 17 16 15 12 17 17 16 17 20 20 23 24 25 22 18  
RH 79 78 78 49 40 45 50 68 74 71 60 42 39 43 64 75 75 71  
WIND DIR W W NW NW NW NW NW NW SW S W NW NW W W SW SW SW  
WIND SPD 14 16 18 16 14 16 10 5 5 5 6 10 11 10 6 6 9 10  
CLOUDS B2 B1 SC SC B1 B2 OV SC SC SC B1 B1 B2 B1 B1 SC FW FW  
POP 12HR 40 30 40 50 10  
QPF 12HR 0.01 0.01 0.01 0.03 0.01  
SNOW 12HR 00-00 T T  
RAIN SHWRS  
SNOWSHWRS 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 67 48 41 65 71 54 45 69 73 56 49 59 57  
DEWPT 20 20 23 19 25 26 30 29 33 31 36 34 36 33 37 36 38 37  
PWIND DIR SW SW SW SW W SE SW SE SW  
WIND CHAR GN GN GN GN GN GN GN GN BZ  
AVG CLOUDS FW FW SC FW FW FW SC SC SC FW FW SC FW FW SC B1 B2 B1  
POP 12HR 0 0 0 0 0 5 10 30 40  
RAIN SHWRS S C C C  
TSTMS S  
 
 
MTZ303-171000-  
CUT BANK-GLACIER MT  
48.60N 112.39W ELEV. 3838 FT  
1231 AM MDT THU APR 16 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 28 21 20 24 29 27 22 21 17 15 24 38 43 42 33 28 23 22  
DEWPT 26 19 16 11 12 13 13 15 12 12 15 17 16 17 20 20 19 16  
RH 92 92 84 57 48 55 68 77 80 88 68 42 33 36 58 71 84 77  
WIND DIR NW NW NW NW NW NW NW NW SW W NW N NW NW NW SW W W  
WIND SPD 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 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 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 65 43 36 63 69 49 40 65 71 52 45 57 57  
DEWPT 20 19 21 19 23 24 28 27 29 27 33 32 32 29 34 35 35 35  
PWIND DIR W W SW W NW W SW W W  
WIND CHAR GN GN GN GN GN GN GN GN BZ  
AVG CLOUDS FW FW SC FW FW SC SC SC SC FW FW SC FW FW SC SC B1 B1  
POP 12HR 0 0 0 0 0 5 5 20 40  
RAIN SHWRS S S C  
 
 
MTZ319-171000-  
HELENA-LEWIS & CLARK MT  
46.61N 111.96W ELEV. 3893 FT  
1231 AM MDT THU APR 16 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 35 31 32 38 42 41 33 29 27 25 31 40 43 45 38 32 28 25  
DEWPT 29 27 23 15 15 14 17 18 18 17 19 19 20 22 22 21 19 18  
RH 78 85 69 38 33 33 51 63 68 71 61 42 39 40 52 63 68 74  
WIND DIR W W W W W NW NW W W SW W NW NW N NW SW SW SW  
WIND SPD 8 5 10 11 18 17 10 5 5 5 6 10 13 11 5 4 5 4  
WIND GUST 23 28 28 20 24  
CLOUDS 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 0.01 0.02 0.03 0.05 0.01  
SNOW 12HR 00-00 T T  
RAIN SHWRS  
SNOWSHWRS 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 74 42 74 43 64  
TEMP 46 59 40 31 55 67 48 38 63 72 52 43 66 72 54 44 57 58  
DEWPT 18 19 23 21 24 25 29 28 30 28 31 31 33 30 34 35 35 32  
PWIND DIR SW SW S SW S SW SE SW W  
WIND CHAR LT LT LT LT LT LT LT LT GN  
AVG CLOUDS FW FW SC FW FW SC SC SC B1 SC SC SC FW SC SC B1 B1 B1  
POP 12HR 0 0 0 0 5 5 20 30 50  
RAIN SHWRS S C C C C  
 
 
MTZ326-171000-  
BOZEMAN-GALLATIN MT  
45.78N 111.16W ELEV. 4475 FT  
1231 AM MDT THU APR 16 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 35 29 28 33 37 36 31 26 25 22 26 36 40 42 33 27 23 20  
DEWPT 34 28 27 25 23 20 19 19 19 17 19 20 21 22 24 22 19 16  
RH 96 96 96 72 56 52 61 74 78 81 74 52 46 44 69 81 84 84  
WIND DIR NW NW NW W NW W W NW W SW W W W W W S S S  
WIND SPD 6 4 5 6 9 9 5 4 3 4 5 8 8 6 3 2 3 3  
CLOUDS 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 0.21 0.11 0.02 0.03 0.01  
SNOW 12HR 1 3 T  
RAIN SHWRS  
SNOWSHWRS 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  
 
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 73 39 73 39 63  
TEMP 44 56 36 28 54 64 44 36 63 70 50 42 67 71 51 42 56 57  
DEWPT 19 21 23 18 25 25 29 26 30 27 32 31 33 31 36 35 35 32  
PWIND DIR SW S S S SW SE S SE SW  
WIND CHAR LT LT LT LT LT LT LT LT GN  
AVG CLOUDS FW FW SC FW SC SC SC B1 SC SC B1 SC SC SC B1 B1 B1 B1  
POP 12HR 0 0 0 0 5 5 20 30 50  
RAIN SHWRS S C C C C  
 
 
MTZ330-171000-  
WEST YELLOWSTONE-GALLATIN MT  
44.69N 111.11W ELEV. 6644 FT  
1231 AM MDT THU APR 16 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 31 27 27 30 33 29 22 18 14 12 19 31 35 34 25 17 13 11  
DEWPT 29 26 24 19 18 16 14 12 8 8 11 13 13 16 17 14 11 8  
RH 92 96 88 63 53 58 71 77 76 84 70 47 40 47 71 88 91 87  
WIND DIR SW SW SW SW W W S W S SW W W W W W W W SW  
WIND SPD 9 8 9 9 8 5 3 2 2 2 2 4 5 5 2 1 1 1  
WIND GUST 27 25 26 25 23 19 14 18 19  
CLOUDS 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 0.21 0.22 0.02 0.02 0.01  
SNOW 12HR 2 4 T  
RAIN SHWRS  
SNOWSHWRS D D D D D L C S C C L L S S  
TSTMS S S  
OBVIS PF PF  
WINTER STORM 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 26 57 61 38 33 58 59 38 33 46 47  
DEWPT 14 18 17 14 21 25 24 20 27 30 28 26 29 29 32 30 28 27  
PWIND DIR SW S S SE 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 SC B1 B1 B1 B1  
POP 12HR 0 0 0 0 5 10 20 40 50  
RAIN SHWRS S C C C C  
SNOWSHWRS C C C  
 
 
MTZ328-171000-  
DILLON-BEAVERHEAD MT  
45.26N 112.55W ELEV. 5357 FT  
1231 AM MDT THU APR 16 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 32 28 27 34 36 36 28 24 22 21 27 39 42 39 31 26 22 21  
DEWPT 29 25 23 20 16 12 12 13 14 14 15 18 17 18 18 17 14 13  
RH 88 88 85 56 43 36 50 62 71 74 60 42 36 42 58 68 71 71  
WIND DIR W SW NW NW NW NW W SW SW SW SW W W NW SW SW S S  
WIND SPD 11 10 12 13 14 14 10 9 6 6 8 11 12 11 5 5 5 5  
WIND GUST 25  
CLOUDS 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 0.01 0.03 0.01 0 0  
SNOW 12HR 00-00 T T  
RAIN SHWRS  
SNOWSHWRS 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 71 40 70 40 60  
TEMP 44 54 35 29 56 62 43 37 63 68 49 43 66 66 49 42 55 54  
DEWPT 18 19 20 18 25 25 25 24 28 24 28 28 31 28 32 33 32 30  
PWIND DIR SW S S S S S S S S  
WIND CHAR GN GN GN GN GN GN GN GN GN  
AVG CLOUDS FW FW SC FW FW SC B1 B1 SC FW B1 SC SC SC B1 B1 B2 B1  
POP 12HR 0 0 0 0 5 5 20 30 40  
RAIN SHWRS S C C C C  
 
 
MTZ305-171000-  
HAVRE-HILL MT  
48.54N 109.76W ELEV. 2585 FT  
1231 AM MDT THU APR 16 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 37 31 27 32 36 32 25 21 19 19 23 35 43 45 35 29 27 26  
DEWPT 35 28 24 20 18 15 13 14 13 13 15 16 14 17 19 21 20 19  
RH 92 88 88 61 47 49 60 74 77 77 71 45 30 32 52 72 74 74  
WIND DIR W W NW NW NW NW NW NW NW W W NW NW NW NW W SW SW  
WIND SPD 13 17 18 18 19 18 13 11 10 8 8 10 13 13 6 4 4 5  
CLOUDS OV B2 B2 B1 B2 B2 B2 SC B1 B1 SC FW SC SC SC SC B1 SC  
POP 12HR 70 70 30 5 0  
QPF 12HR 0.08 0.01 0 0 0  
SNOW 12HR 00-00 T 00-00  
RAIN SHWRS 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 73 41 77 44 70  
TEMP 49 59 38 30 57 67 47 39 65 71 51 43 69 74 55 46 63 65  
DEWPT 24 21 25 21 27 25 30 30 34 32 36 35 37 35 38 37 40 38  
PWIND DIR SW S SW SW NW E SE E E  
WIND CHAR LT LT LT LT LT LT GN GN GN  
AVG CLOUDS FW FW FW FW FW FW SC SC SC FW FW FW FW FW FW SC B1 B1  
POP 12HR 0 0 0 0 0 5 5 20 30  
RAIN SHWRS S S C  
 
 
MTZ314-171000-  
LEWISTOWN-FERGUS MT  
47.05N 109.46W ELEV. 4144 FT  
1231 AM MDT THU APR 16 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 36 31 28 34 37 35 26 23 21 18 25 37 41 40 31 27 26 24  
DEWPT 34 27 21 20 18 16 14 14 13 12 15 17 15 15 17 19 19 16  
RH 92 85 75 56 46 45 60 68 71 77 65 44 34 36 56 71 74 71  
WIND DIR W W NW NW NW NW NW NW NW W NW NW NW NW W W SW SW  
WIND SPD 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 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 0.08 0.02 0.01 0 0  
SNOW 12HR 00-00 T T  
RAIN SHWRS  
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 64 46 42 66 68 49 45 70 71 53 47 61 58  
DEWPT 18 21 22 19 22 25 27 27 30 31 33 32 34 34 36 35 37 37  
PWIND DIR W SW SW SW W SE SW SE W  
WIND CHAR GN LT LT GN GN GN GN GN GN  
AVG CLOUDS FW FW FW FW FW FW FW 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  
 
 
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