Point Forecast Matrices Issued by NWS Great Falls, MT
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FOUS55 KTFX 170847
PFMTFX
Point Forecast Matrices
National Weather Service Great Falls MT
247 AM MDT Wed Apr 17 2024
MTZ312-172200-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
247 AM MDT Wed Apr 17 2024
Date Wed 04/17/24 Thu 04/18/24 Fri 04/19/24
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 39 23 42 21 38
Temp 34 31 31 34 37 38 32 28 26 24 29 37 40 41 32 27 24 22 27 32 36 37
Dewpt 28 25 22 20 19 18 16 17 15 14 11 8 8 7 9 9 11 12 13 12 12 12
RH 78 78 69 56 48 44 51 63 62 65 46 29 26 24 37 46 57 65 55 43 36 35
Wind dir NW N NW NW NW N N W W W NW NW N N N NE N NW N N NE NE
Wind spd 10 17 18 21 21 20 10 6 6 6 10 11 12 13 10 10 4 5 8 8 10 12
Clouds B2 OV OV OV OV B2 B1 SC SC SC SC SC SC SC FW FW B1 B1 B1 B2 B1 B1
PoP 12hr 60 20 5 5 5
QPF 12hr 0.03 0 0 0 0
Snow 12hr T 00-00 00-00
Rain S
Snow C L S C S S S
Obvis BS BS BS
Winter Weath Y Y Y
Date Sat 04/20/24 Sun 04/21/24 Mon 04/22/24 Tue 04/23/24
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 22 51 33 57 35 59 35 65
Temp 28 23 40 51 37 36 54 54 42 36 52 58 43 36 57 64
Dewpt 16 15 17 21 24 25 28 24 27 26 27 26 29 26 30 30
PWind dir NE SE SE SW W NW E SW
Wind char GN LT GN BZ GN GN GN GN
Avg clouds B1 SC FW FW FW SC B1 SC SC SC B1 SC SC SC B1 SC
PoP 12hr 10 5 10 20 10 5 5 10
Rain S S
$$
MTZ303-172200-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
247 AM MDT Wed Apr 17 2024
Date Wed 04/17/24 Thu 04/18/24 Fri 04/19/24
MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 37 21 38 18 35
Temp 30 26 28 31 35 36 28 25 23 21 27 35 38 36 28 23 20 19 24 31 34 34
Dewpt 27 23 22 20 19 15 12 13 13 12 11 8 8 5 9 11 12 13 13 13 13 13
RH 88 88 78 63 52 42 50 60 65 68 50 32 28 27 44 59 71 77 62 47 41 41
Wind dir N NW NW NW N N N NW NW NW NW NW N N N N NW NW N N NE NE
Wind spd 23 26 28 31 29 26 13 10 10 11 16 21 23 21 12 10 10 9 10 10 10 11
Wind gust 37
Clouds OV OV B2 B2 B2 SC SC SC SC SC FW FW SC FW FW B1 B1 B2 B2 B2 B2 B2
PoP 12hr 50 5 5 5 5
QPF 12hr 0.01 0 0 0 0
Snow 12hr T 00-00 00-00
Snow C C C
Obvis BS BS BS BS BS BS
Date Sat 04/20/24 Sun 04/21/24 Mon 04/22/24 Tue 04/23/24
MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 20 48 29 55 32 57 32 62
Temp 25 21 37 47 33 31 50 52 37 33 51 55 39 33 55 60
Dewpt 17 16 15 18 21 23 25 23 27 26 25 24 27 26 27 27
PWind dir E SE S W W NW W S
Wind char GN GN GN BZ BZ GN GN GN
Avg clouds B2 SC FW FW FW SC B1 SC SC SC SC SC SC SC B1 SC
PoP 12hr 0 0 5 20 5 0 5 5
Rain S S
Snow S
$$
MTZ319-172200-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
247 AM MDT Wed Apr 17 2024
Date Wed 04/17/24 Thu 04/18/24 Fri 04/19/24
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 42 25 45 24 43
Temp 37 32 32 36 40 40 35 31 28 25 30 38 43 44 36 31 28 24 27 35 41 41
Dewpt 24 23 22 18 18 17 17 17 16 14 12 12 11 11 12 11 10 10 11 13 13 14
RH 59 69 66 47 41 39 47 56 60 62 46 34 27 26 36 43 46 54 50 40 31 33
Wind dir NW NW N N N N N W W W N N N N N N N N N N N N
Wind spd 10 12 18 18 19 18 10 6 5 3 4 6 10 14 11 10 10 8 9 10 12 14
Clouds B2 B2 B2 B2 B1 B1 B1 SC SC SC SC B1 SC SC B1 SC B1 B1 B1 B1 B1 SC
PoP 12hr 100 10 5 10 0
QPF 12hr 0.06 0 0 0 0
Snow 12hr 1 00-00 00-00
Rain C
Snow C L C
Obvis BS BS
Date Sat 04/20/24 Sun 04/21/24 Mon 04/22/24 Tue 04/23/24
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 25 56 35 59 34 61 36 67
Temp 31 25 43 56 41 36 51 58 42 34 51 60 43 36 56 66
Dewpt 16 17 20 23 26 28 30 25 25 25 28 25 27 27 31 31
PWind dir N E S W W NW W E
Wind char GN LT GN GN GN GN GN LT
Avg clouds SC SC FW FW FW SC B1 SC SC SC SC SC SC SC B1 SC
PoP 12hr 10 5 20 20 5 5 5 20
Rain S S S S
$$
MTZ326-172200-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
247 AM MDT Wed Apr 17 2024
Date Wed 04/17/24 Thu 04/18/24 Fri 04/19/24
MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 41 19 43 20 43
Temp 32 29 31 35 39 39 32 27 22 19 25 35 41 43 33 29 24 21 26 35 41 42
Dewpt 27 25 24 21 18 16 17 17 16 14 14 14 13 10 14 16 14 12 13 14 15 15
RH 81 85 75 56 42 39 53 65 77 80 62 41 31 25 45 58 65 68 57 41 34 33
Wind dir SW SW NW N NW N N N W SW NW NW N N NE NE NE NE N N NE E
Wind spd 9 6 11 16 14 14 10 6 4 3 3 5 5 8 8 6 6 4 5 5 6 11
Clouds OV B2 B2 B2 B1 SC SC SC SC FW SC SC SC SC B1 B1 B2 B1 B1 B1 SC SC
PoP 12hr 50 10 5 10 5
QPF 12hr 0.03 0 0 0 0
Snow 12hr T 00-00 00-00
Snow L C C S
Winter Weath Y Y Y
Date Sat 04/20/24 Sun 04/21/24 Mon 04/22/24 Tue 04/23/24
MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 20 53 30 60 30 58 32 66
Temp 29 21 41 53 37 33 53 56 39 31 49 57 40 33 55 65
Dewpt 18 14 21 25 27 26 33 27 25 23 26 26 29 26 32 34
PWind dir E SE SE SW W W E S
Wind char GN LT LT GN GN LT LT LT
Avg clouds SC SC FW FW SC SC B2 B1 B1 SC SC SC B1 B1 B1 B1
PoP 12hr 20 10 10 30 10 5 5 20
Rain C S S
Snow S
$$
MTZ330-172200-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
247 AM MDT Wed Apr 17 2024
Date Wed 04/17/24 Thu 04/18/24 Fri 04/19/24
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 36 9 40 11 43
Temp 31 26 26 34 36 34 24 18 13 10 18 35 40 38 27 21 16 12 20 37 43 41
Dewpt 30 24 21 16 17 14 13 12 8 6 7 9 10 11 14 13 11 7 10 14 14 15
RH 96 92 81 47 45 43 62 77 80 83 61 33 28 32 57 71 80 80 64 38 30 34
Wind dir N N N NW NW N N NE E E NE E W NW N NE NE NE NE N N N
Wind spd 6 8 9 6 9 10 6 5 4 2 3 3 5 8 5 5 3 3 5 4 5 9
Clouds OV OV OV B2 B2 B1 FW FW FW FW FW FW SC B1 SC B1 B1 B1 B1 SC SC SC
PoP 12hr 60 10 5 5 5
QPF 12hr 0.05 0 0 0 0
Snow 12hr 1 00-00 00-00
Snow C L C C C
Winter Storm W W W W W
Date Sat 04/20/24 Sun 04/21/24 Mon 04/22/24 Tue 04/23/24
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 16 53 25 53 23 54 25 58
Temp 23 16 46 50 32 27 50 50 32 24 47 51 32 26 54 55
Dewpt 17 12 21 23 24 22 28 27 24 18 22 24 26 20 26 29
PWind dir NE SE S SW NW W S S
Wind char LT LT LT GN GN LT LT GN
Avg clouds SC SC FW FW FW SC B1 B1 B1 SC SC SC SC B1 B1 B1
PoP 12hr 20 10 5 30 10 5 5 30
Rain S C S C
Snow S S S
$$
MTZ328-172200-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
247 AM MDT Wed Apr 17 2024
Date Wed 04/17/24 Thu 04/18/24 Fri 04/19/24
MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 39 20 42 22 43
Temp 30 28 30 34 37 36 30 26 24 22 24 34 40 41 33 29 25 22 26 35 41 42
Dewpt 28 27 23 18 18 20 21 19 18 17 16 15 13 15 18 18 15 14 14 14 15 15
RH 92 96 75 51 46 52 69 74 77 81 71 45 33 34 53 63 65 71 60 41 34 33
Wind dir NE NE N N N N NE NE E NE N N NW N NE NE NE NE NE NE NE NE
Wind spd 11 8 8 10 10 11 10 8 5 6 5 4 5 6 10 10 10 10 10 10 10 12
Clouds OV OV B1 B1 B2 B1 B2 B1 SC SC SC FW SC B1 B1 B2 B2 B1 B1 B1 SC SC
PoP 12hr 60 40 5 5 0
QPF 12hr 0.02 0.04 0 0 0
Snow 12hr T T 00-00
Snow C C S C S
Snowshwrs L C
Tstms S S
Date Sat 04/20/24 Sun 04/21/24 Mon 04/22/24 Tue 04/23/24
MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 23 55 35 59 31 58 35 66
Temp 30 23 42 54 40 36 54 55 37 31 49 57 40 35 58 62
Dewpt 19 17 20 23 28 27 30 24 24 22 22 22 26 25 31 28
PWind dir NE NW S SW NW W E SW
Wind char GN LT LT GN GN LT LT LT
Avg clouds SC SC FW FW SC B1 B1 B1 SC SC SC SC SC B1 B1 SC
PoP 12hr 5 0 10 10 0 0 5 10
$$
MTZ305-172200-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
247 AM MDT Wed Apr 17 2024
Date Wed 04/17/24 Thu 04/18/24 Fri 04/19/24
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 40 23 41 22 40
Temp 33 31 33 37 38 38 33 29 27 25 29 37 40 39 31 26 24 22 27 35 38 38
Dewpt 28 25 25 23 22 21 19 18 18 16 11 9 10 9 14 17 17 17 16 16 16 16
RH 82 78 72 56 52 50 56 63 68 68 46 31 28 28 49 68 74 81 63 45 40 40
Wind dir W NW NW NW NW NW NW W W W NW NW NW NW N NW NW NW NW N N N
Wind spd 16 19 27 26 27 26 17 13 11 12 20 21 21 21 12 10 10 10 11 10 9 10
Wind gust 29
Clouds B1 OV OV B2 OV B2 B2 SC SC FW FW FW SC SC SC B1 B2 B2 B1 B2 B2 B2
PoP 12hr 30 20 5 5 5
QPF 12hr 0.01 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Snow C C S S S
Date Sat 04/20/24 Sun 04/21/24 Mon 04/22/24 Tue 04/23/24
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 21 51 29 59 33 60 33 64
Temp 27 21 41 50 34 31 53 55 40 33 53 59 40 34 57 63
Dewpt 19 17 17 19 20 21 28 28 30 27 29 26 29 27 30 29
PWind dir NE SE SE SW W NW E SE
Wind char LT GN GN GN BZ GN GN GN
Avg clouds B1 FW FW FW FW SC SC SC B1 SC SC SC SC SC SC B1
PoP 12hr 0 0 5 20 5 0 0 5
Rain S
$$
MTZ314-172200-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
247 AM MDT Wed Apr 17 2024
Date Wed 04/17/24 Thu 04/18/24 Fri 04/19/24
MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 35 21 37 16 35
Temp 31 28 28 32 35 33 28 26 24 23 27 33 35 36 26 21 18 17 22 29 33 34
Dewpt 23 23 20 20 22 20 19 18 16 14 11 9 8 8 8 8 8 10 11 12 12 12
RH 72 81 71 61 59 58 68 71 71 68 50 36 32 30 46 56 64 73 62 48 41 39
Wind dir NW NW NW NW NW NW NW NW W W NW NW NW NW NW NW NW NW NW NW N N
Wind spd 14 16 18 23 25 21 17 16 16 14 17 18 19 18 12 10 11 10 11 11 10 10
Wind gust 32
Clouds B2 OV B2 OV OV B2 OV B2 B1 B1 SC SC SC SC FW FW SC B2 B2 B2 B2 B1
PoP 12hr 50 20 10 5 5
QPF 12hr 0.06 0.02 0 0 0
Snow 12hr 1 T 00-00
Snow S C C C S S
Obvis BS BS BS BS BS BS
Date Sat 04/20/24 Sun 04/21/24 Mon 04/22/24 Tue 04/23/24
MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 18 46 28 56 31 54 31 62
Temp 23 19 38 45 31 33 53 52 37 32 48 53 36 32 56 60
Dewpt 14 12 15 19 21 23 31 27 26 24 27 26 26 24 31 32
PWind dir E SE S W W NW SE S
Wind char LT GN GN GN BZ GN GN GN
Avg clouds B1 SC FW FW FW SC B1 B1 SC SC B1 SC SC SC B1 B1
PoP 12hr 10 10 5 30 20 5 5 10
Rain S C S
Snow S
$$
http://www.weather.gov/greatfalls