968  
FOUS55 KTFX 150631  
PFMTFX  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
1231 AM MDT FRI MAY 15 2026  
 
MTZ312-161000-  
GREAT FALLS-CASCADE MT  
47.47N 111.38W ELEV. 3663 FT  
1231 AM MDT FRI MAY 15 2026  
 
DATE 05/14/26 FRI 05/15/26 SAT 05/16/26 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 42 62 41 57 34  
TEMP 47 43 51 57 60 61 53 48 45 42 48 52 55 53 48 43 40 36  
DEWPT 27 25 26 23 22 22 25 28 28 27 29 24 23 25 28 30 31 30  
RH 45 49 37 27 23 22 33 46 51 55 47 33 29 33 46 60 70 79  
WIND DIR SW SW W W W W W W W SW SW SW W W W NW NW NW  
WIND SPD 16 12 29 26 23 18 11 8 10 11 14 12 11 11 10 12 12 16  
WIND GUST 28 26 41  
CLOUDS FW FW FW SC SC FW SC B2 OV OV OV OV B2 B1 B2 B2 OV OV  
POP 12HR 0 0 10 30 60  
QPF 12HR 0 0 0 0 0.12  
SNOW 12HR 00-00 00-00 00-00  
RAIN S C C C L L D  
SNOW S S  
 
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26  
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 43 30 48 30 60 37 66 43 70  
TEMP 38 40 36 31 42 46 37 32 53 59 44 38 60 64 50 44 65 68  
DEWPT 31 31 31 28 29 29 30 28 30 30 33 31 33 32 35 34 34 34  
PWIND DIR NW N N SE SW SW SW SW SW  
WIND CHAR BZ GN LT LT LT LT GN GN GN  
AVG CLOUDS OV OV B2 B2 B2 B1 B1 SC B1 SC B1 B1 SC SC SC SC SC SC  
POP 12HR 90 60 40 10 5 5 10 5 5  
RAIN D D L C C S  
SNOW D D L C C S  
 
 
MTZ303-161000-  
CUT BANK-GLACIER MT  
48.60N 112.39W ELEV. 3838 FT  
1231 AM MDT FRI MAY 15 2026  
 
DATE 05/14/26 FRI 05/15/26 SAT 05/16/26 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 37 57 34 55 29  
TEMP 43 39 45 52 55 55 46 41 36 35 44 51 53 51 42 37 32 30  
DEWPT 29 26 24 23 22 23 25 28 25 25 24 21 20 24 28 31 29 27  
RH 57 59 43 32 27 29 43 59 64 66 45 30 27 34 57 79 88 88  
WIND DIR W W W W W W W SW W SW W W W W NW NW NW NW  
WIND SPD 16 24 35 33 31 27 19 13 17 18 23 21 23 20 18 14 17 20  
WIND GUST 34 40 47 43 43 40 31 32  
CLOUDS B1 SC FW FW FW FW B2 B2 SC B1 B1 SC B1 B1 B1 B1 B2 OV  
POP 12HR 0 0 5 10 50  
QPF 12HR 0 0 0 0 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN C C C C  
SNOW C L  
 
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26  
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 44 27 52 29 61 36 65 39 67  
TEMP 37 42 34 28 45 50 37 31 54 59 44 38 59 62 47 41 62 64  
DEWPT 27 26 27 24 25 24 28 27 27 28 32 30 31 31 34 33 32 32  
PWIND DIR N N N SE W W W W W  
WIND CHAR WY GN LT LT LT GN GN GN GN  
AVG CLOUDS OV B2 B2 B1 SC SC B1 SC SC SC B1 B1 B1 SC B1 SC SC SC  
POP 12HR 60 20 10 0 5 5 20 5 10  
RAIN C S S  
SNOW L C S  
 
 
MTZ319-161000-  
HELENA-LEWIS & CLARK MT  
46.61N 111.96W ELEV. 3893 FT  
1231 AM MDT FRI MAY 15 2026  
 
DATE 05/14/26 FRI 05/15/26 SAT 05/16/26 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 39 63 39 55 34  
TEMP 47 42 45 55 61 63 54 46 44 40 43 48 52 51 47 42 37 34  
DEWPT 28 28 24 22 20 19 20 24 27 29 31 28 27 21 25 27 27 28  
RH 47 57 43 27 20 18 26 42 51 64 62 46 38 30 42 55 67 78  
WIND DIR W W W W W W W W W W W NW W NW NW W W NW  
WIND SPD 8 9 18 19 23 20 11 2 3 1 3 5 10 14 13 9 9 9  
WIND GUST 28 27 33 32 32 24  
CLOUDS FW FW SC FW SC SC SC B2 OV OV OV B2 B2 B1 B2 OV OV OV  
POP 12HR 0 5 10 60 50  
QPF 12HR 0 0 0 0.02 0.11  
SNOW 12HR 00-00 00-00 00-00  
RAIN C C L C C C C C S  
SNOW S C D  
 
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26  
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 43 31 49 30 61 35 67 40 71  
TEMP 40 41 37 31 42 48 38 31 53 59 44 35 59 66 50 40 64 69  
DEWPT 29 27 28 27 27 25 28 27 28 26 30 29 31 29 33 33 33 30  
PWIND DIR NW NW N W SW W W W W  
WIND CHAR BZ GN GN LT LT LT LT LT LT  
AVG CLOUDS OV OV OV B2 B2 B1 B1 SC B1 SC B1 SC SC SC B1 SC B1 SC  
POP 12HR 90 50 30 5 10 5 20 5 10  
RAIN S C S C C  
RAIN SHWRS D S  
SNOW D C S C C  
SNOWSHWRS D  
TSTMS S S  
 
 
MTZ326-161000-  
BOZEMAN-GALLATIN MT  
45.78N 111.16W ELEV. 4475 FT  
1231 AM MDT FRI MAY 15 2026  
 
DATE 05/14/26 FRI 05/15/26 SAT 05/16/26 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 65 37 59 29  
TEMP 42 38 47 57 63 65 55 47 43 40 47 55 55 49 40 37 34 30  
DEWPT 28 24 25 23 21 18 21 24 26 25 27 25 31 37 35 33 32 29  
RH 57 57 42 27 20 16 26 40 51 55 45 31 40 63 82 85 92 96  
WIND DIR S SW W W W NW N SW S S W W NW NW NW W W W  
WIND SPD 3 4 14 14 18 14 8 2 2 3 4 8 12 12 10 8 5 5  
WIND GUST 26 32 27 18  
CLOUDS SC SC SC SC SC SC SC B1 B2 OV OV B2 OV OV OV OV OV OV  
POP 12HR 5 0 5 70 100  
QPF 12HR 0 0 0 0.02 0.28  
SNOW 12HR 00-00 00-00 00-00  
RAIN C D D D D S  
RAIN SHWRS C  
SNOW D D D  
TSTMS S  
 
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26  
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 44 26 45 25 56 30 64 35 69  
TEMP 40 41 34 27 39 43 33 28 48 54 39 33 58 62 45 38 63 67  
DEWPT 31 31 29 25 29 29 29 26 29 28 29 27 31 30 32 30 33 32  
PWIND DIR NW NW NW SE SW SW SW SE SW  
WIND CHAR GN GN LT LT LT LT LT LT LT  
AVG CLOUDS OV B2 B2 B2 B2 B1 B1 SC B1 SC B1 B1 SC SC B1 SC SC SC  
POP 12HR 80 50 50 20 10 10 10 10 10  
RAIN S L C C S  
RAIN SHWRS L  
SNOW D L C C C C S  
SNOWSHWRS L  
TSTMS S  
 
 
MTZ330-161000-  
WEST YELLOWSTONE-GALLATIN MT  
44.69N 111.11W ELEV. 6644 FT  
1231 AM MDT FRI MAY 15 2026  
 
DATE 05/14/26 FRI 05/15/26 SAT 05/16/26 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 31 63 31 56 26  
TEMP 34 31 43 57 61 61 50 40 35 32 41 52 54 54 43 35 29 26  
DEWPT 18 16 20 15 13 10 20 21 22 21 22 17 18 18 26 27 25 25  
RH 51 53 39 19 15 13 30 46 59 63 46 25 24 24 51 72 85 96  
WIND DIR S SE SW W SW W SW SW SW S SW SW SW SW SW SW W NW  
WIND SPD 4 3 5 16 14 13 10 4 1 2 8 18 19 17 10 4 2 1  
WIND GUST 19 29 32 31 26 16 36 35 36 27 16  
CLOUDS CL CL FW SC SC B1 B1 SC SC B2 OV OV B1 B1 B1 B1 B2 B2  
POP 12HR 0 0 5 10 50  
QPF 12HR 0 0 0 0 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN C C  
SNOW C C C L  
 
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26  
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 42 21 40 19 50 24 58 29 65  
TEMP 39 38 28 22 36 38 26 21 45 49 31 26 53 56 37 30 60 63  
DEWPT 19 22 25 21 20 18 23 21 19 20 25 23 23 25 28 26 26 28  
PWIND DIR NW N N N W W SW SW SW  
WIND CHAR LT GN GN LT LT LT LT LT LT  
AVG CLOUDS B2 B2 B2 B2 B2 B1 B1 SC B1 B1 B1 SC SC SC B1 SC SC SC  
POP 12HR 70 40 50 10 10 20 20 5 10  
RAIN S  
RAIN SHWRS S  
SNOW L C C C C S  
SNOWSHWRS L S  
TSTMS S S  
 
 
MTZ328-161000-  
DILLON-BEAVERHEAD MT  
45.26N 112.55W ELEV. 5357 FT  
1231 AM MDT FRI MAY 15 2026  
 
DATE 05/14/26 FRI 05/15/26 SAT 05/16/26 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 65 38 58 28  
TEMP 41 37 46 57 63 65 53 46 42 39 46 55 56 50 40 35 31 29  
DEWPT 25 23 27 22 16 18 21 23 23 20 26 22 24 30 29 28 26 25  
RH 52 56 47 25 16 16 28 40 46 46 45 27 29 46 64 75 81 85  
WIND DIR SW SW SW W W W NW SW S W SW SW W NW N N NW W  
WIND SPD 8 5 8 16 19 17 10 5 4 5 10 20 18 14 16 12 9 9  
WIND GUST 18 26 31 27 25  
CLOUDS FW SC FW FW SC B1 B2 B2 OV OV B2 B2 B2 B2 OV OV OV B2  
POP 12HR 0 0 10 30 70  
QPF 12HR 0 0 0 0 0.20  
SNOW 12HR 00-00 00-00 00-00  
RAIN L L  
RAIN SHWRS C S  
SNOW S L L L  
TSTMS S S  
 
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26  
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 44 25 46 25 56 31 64 36 69  
TEMP 40 41 32 26 40 44 33 28 50 55 39 33 57 62 45 38 63 67  
DEWPT 27 28 26 22 26 26 25 23 26 25 27 24 28 27 29 27 30 29  
PWIND DIR N N N E SW W SW SW SW  
WIND CHAR GN WY BZ LT LT LT LT LT LT  
AVG CLOUDS B2 B2 B2 B2 B1 B1 B1 SC B1 SC B1 B1 SC FW SC SC SC SC  
POP 12HR 70 30 30 10 10 10 10 5 10  
RAIN C  
RAIN SHWRS S S  
SNOW L C C C  
SNOWSHWRS L S  
TSTMS S S  
 
 
MTZ305-161000-  
HAVRE-HILL MT  
48.54N 109.76W ELEV. 2585 FT  
1231 AM MDT FRI MAY 15 2026  
 
DATE 05/14/26 FRI 05/15/26 SAT 05/16/26 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 40 65 39 63 33  
TEMP 47 44 49 58 63 63 54 49 44 40 48 58 61 59 51 45 41 37  
DEWPT 30 29 30 28 26 25 26 29 28 28 27 28 25 27 31 34 35 33  
RH 51 55 48 32 24 23 34 46 53 62 44 32 25 29 46 65 79 85  
WIND DIR SW W W W W W W W SW SW W SW W W NW NW NW NW  
WIND SPD 13 16 24 24 23 21 12 13 11 11 13 13 12 12 9 10 10 13  
WIND GUST 28 31 35 35 35  
CLOUDS SC B1 SC SC B1 SC FW FW SC SC B1 B2 OV B2 B2 B2 B2 B2  
POP 12HR 5 5 5 20 60  
QPF 12HR 0 0 0 0 0.03  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S S L L D  
 
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26  
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 47 29 51 29 61 35 68 40 72  
TEMP 42 44 37 30 44 49 37 31 54 59 45 38 63 66 50 43 67 70  
DEWPT 34 33 33 29 30 28 31 29 31 30 33 32 35 33 37 35 37 35  
PWIND DIR N N N E S SE SW SW SW  
WIND CHAR BZ GN LT LT LT LT LT LT LT  
AVG CLOUDS B2 B2 OV OV B2 B1 B1 SC SC SC SC B1 B1 SC SC SC SC SC  
POP 12HR 80 60 30 10 5 5 10 5 5  
RAIN D D L S S C  
SNOW S S L S S  
 
 
MTZ314-161000-  
LEWISTOWN-FERGUS MT  
47.05N 109.46W ELEV. 4144 FT  
1231 AM MDT FRI MAY 15 2026  
 
DATE 05/14/26 FRI 05/15/26 SAT 05/16/26 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 38 61 38 56 30  
TEMP 45 40 48 56 59 59 50 45 43 39 47 53 53 48 41 38 36 34  
DEWPT 25 22 24 22 22 22 25 26 26 24 27 26 31 35 34 33 32 32  
RH 45 48 39 26 24 24 37 47 51 54 45 35 43 60 76 82 85 92  
WIND DIR SW W W W W NW NW SW SW SW NW N NW NW NW NW NW NW  
WIND SPD 9 16 26 24 23 18 6 4 3 4 5 5 6 6 6 6 8 11  
WIND GUST 25 28 37  
CLOUDS SC SC SC FW SC FW FW B1 B2 B2 B1 B2 OV OV OV OV OV OV  
POP 12HR 0 0 10 80 90  
QPF 12HR 0 0 0 0.05 0.35  
SNOW 12HR 00-00 00-00 00-00  
RAIN C D D D D S  
RAIN SHWRS L  
SNOW D D D  
TSTMS S  
 
DATE 05/17/26 MON 05/18/26 TUE 05/19/26 WED 05/20/26 THU 05/21/26  
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 40 27 40 26 53 31 61 37 66  
TEMP 36 37 33 28 36 38 31 29 46 51 37 35 57 59 44 41 61 64  
DEWPT 31 32 31 28 29 29 28 27 30 31 30 29 32 34 33 33 34 35  
PWIND DIR NW NW NW S W S W SW W  
WIND CHAR GN GN LT LT LT LT LT LT LT  
AVG CLOUDS OV OV OV OV OV B2 B1 B1 B1 SC B1 B1 SC SC SC SC SC SC  
POP 12HR 90 80 70 30 20 5 20 10 20  
RAIN D D S S L C S  
RAIN SHWRS S S  
SNOW D D D L L L C S  
TSTMS S S  
 
 
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