Point Forecast Matrices Issued by NWS Great Falls, MT
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Point Forecast Matrices
National Weather Service Great Falls MT
317 AM MDT Wed Apr 24 2024
MTZ312-242200-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
317 AM MDT Wed Apr 24 2024
Date Wed 04/24/24 Thu 04/25/24 Fri 04/26/24
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 76 44 67 40 56
Temp 39 52 68 74 73 61 55 49 45 51 61 66 64 55 49 44 41 47 53 55 53
Dewpt 20 24 20 24 26 31 34 33 31 30 28 29 29 30 30 31 31 34 35 35 33
RH 46 33 16 15 17 32 45 54 58 44 28 25 27 38 48 60 67 60 50 47 46
Wind dir SW SW W W W W W W W W W W NW NW NW W W NW N N N
Wind spd 9 11 12 14 12 6 5 5 5 10 10 10 11 10 5 4 5 8 10 10 11
Clouds B2 FW CL FW SC B2 B2 OV SC FW SC SC B2 B2 B2 B2 B2 B2 B2 B2 OV
PoP 12hr 5 20 5 10 50
QPF 12hr 0 0.01 0 0 0.04
Snow 12hr 00-00 00-00 00-00
Rain S S C C C C L
Date Sat 04/27/24 Sun 04/28/24 Mon 04/29/24 Tue 04/30/24
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 39 54 38 62 40 60 37 60
Temp 46 40 48 50 44 39 54 61 45 41 57 58 45 38 54 59
Dewpt 37 33 33 36 37 33 35 32 32 30 32 27 27 24 26 25
PWind dir N NE S SW SW SW SW W
Wind char GN GN GN GN GN BZ BZ GN
Avg clouds OV OV B2 B2 B2 B1 SC SC B1 B1 B1 SC SC SC SC SC
PoP 12hr 60 60 40 20 10 20 20 20
Rain L L L L C S S S S S S S
Snow S
$$
MTZ303-242200-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
317 AM MDT Wed Apr 24 2024
Date Wed 04/24/24 Thu 04/25/24 Fri 04/26/24
MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 70 38 60 37 51
Temp 41 52 68 70 67 56 49 43 39 47 57 60 58 48 42 39 38 41 46 49 49
Dewpt 20 23 22 19 22 25 26 26 27 29 29 29 28 28 30 30 32 33 31 31 30
RH 42 32 17 14 18 30 40 51 62 49 34 31 32 46 62 70 79 73 55 50 48
Wind dir W W W W W W W W W W W W W W W NW NW N N N N
Wind spd 5 10 16 23 23 12 11 11 12 13 18 21 21 11 10 10 12 16 16 13 13
Clouds B1 FW FW FW B1 B2 B2 B1 SC FW SC SC SC B1 B1 OV OV OV OV OV B2
PoP 12hr 0 0 0 5 30
QPF 12hr 0 0 0 0 0.01
Snow 12hr 00-00 00-00 00-00
Rain C C C C C
Date Sat 04/27/24 Sun 04/28/24 Mon 04/29/24 Tue 04/30/24
MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 36 52 34 59 37 56 34 56
Temp 41 37 45 49 41 35 55 57 43 38 54 54 39 35 52 56
Dewpt 32 31 30 32 34 30 29 27 29 27 25 22 24 23 21 22
PWind dir N E S SW SW SW W W
Wind char GN GN GN BZ BZ BZ BZ BZ
Avg clouds OV OV B2 B2 B2 B1 SC SC SC B1 SC SC SC SC B1 SC
PoP 12hr 30 40 20 5 5 10 10 10
Rain C C C C S
$$
MTZ319-242200-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
317 AM MDT Wed Apr 24 2024
Date Wed 04/24/24 Thu 04/25/24 Fri 04/26/24
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 76 45 67 42 56
Temp 40 49 65 74 73 63 55 52 47 51 61 66 64 56 50 46 43 46 53 55 51
Dewpt 15 20 22 16 23 34 37 36 34 32 32 31 30 31 33 32 32 34 37 39 37
RH 36 31 19 11 15 34 51 54 60 48 33 27 28 38 52 58 65 63 54 55 59
Wind dir W N E W W W W W W W NW NW NW NW W W W N N N N
Wind spd 2 2 6 12 11 9 6 5 5 6 9 12 14 10 8 5 4 4 9 12 13
Clouds B2 FW FW SC B1 B2 B2 B2 B1 SC SC B1 B1 B1 B1 OV OV OV OV OV B2
PoP 12hr 10 20 20 20 70
QPF 12hr 0 0.01 0 0 0.08
Snow 12hr 00-00 00-00 00-00
Rain S S S S S C C L L D
Date Sat 04/27/24 Sun 04/28/24 Mon 04/29/24 Tue 04/30/24
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 40 53 38 61 39 60 36 61
Temp 45 40 46 50 44 39 53 60 47 39 56 57 45 37 54 60
Dewpt 37 36 35 35 37 34 36 33 34 32 35 33 31 28 30 30
PWind dir N N W SW SW W W W
Wind char GN GN LT GN GN GN GN GN
Avg clouds B2 OV OV B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
PoP 12hr 80 80 40 30 20 40 30 30
Rain D L L D C S C S S S C S S C
Rain shwrs C
Tstms S
$$
MTZ326-242200-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
317 AM MDT Wed Apr 24 2024
Date Wed 04/24/24 Thu 04/25/24 Fri 04/26/24
MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 74 39 64 38 54
Temp 36 47 63 72 73 60 54 48 42 46 57 63 62 52 47 43 39 43 47 51 52
Dewpt 21 24 28 26 29 33 37 37 35 36 39 39 37 38 38 36 35 37 39 39 41
RH 54 40 26 18 19 36 52 65 76 68 51 41 39 59 71 76 85 79 74 63 66
Wind dir S E NW NW NW N W W W SW NW NW NW NW W NW W NW N NE NE
Wind spd 4 2 5 8 10 8 5 5 4 3 4 6 8 8 5 4 4 3 5 8 11
Clouds B1 SC FW SC SC B2 B2 B1 B1 B1 B2 B2 B2 OV OV OV OV OV OV OV OV
PoP 12hr 5 20 70 70 90
QPF 12hr 0 0 0.09 0.10 0.16
Snow 12hr 00-00 00-00 00-00
Rain S C C L L L L D D D
Rain shwrs L L L L
Tstms S S S S
Date Sat 04/27/24 Sun 04/28/24 Mon 04/29/24 Tue 04/30/24
MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 36 51 34 59 35 60 33 60
Temp 42 37 44 49 41 35 49 58 43 36 55 57 43 34 52 59
Dewpt 37 33 37 37 36 32 37 35 35 30 36 35 33 28 34 34
PWind dir NE NE SE SW S SW W W
Wind char GN GN LT LT GN GN GN GN
Avg clouds OV OV OV OV B2 B2 B2 B1 B1 B2 B1 B1 B2 B1 B1 B1
PoP 12hr 80 80 50 40 20 40 40 40
Rain D D D D C C C C S S C C C C
Rain shwrs C
Tstms S
$$
MTZ330-242200-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
317 AM MDT Wed Apr 24 2024
Date Wed 04/24/24 Thu 04/25/24 Fri 04/26/24
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 64 32 54 32 48
Temp 24 37 60 64 61 47 41 36 33 39 52 54 50 42 37 35 33 36 45 48 46
Dewpt 19 22 16 12 20 29 33 32 29 32 35 35 36 36 35 33 31 32 35 33 33
RH 81 54 18 13 20 49 73 85 85 76 52 48 58 79 92 92 92 85 68 56 60
Wind dir N N SW SW SW S NE SE N N SW W NW SW SW SW S S SW SW W
Wind spd 0 0 5 9 10 5 2 2 0 0 4 5 8 6 4 2 2 3 4 5 8
Clouds B1 B1 SC B1 SC B1 B2 B1 B2 OV OV OV B2 OV OV OV OV OV OV OV B2
PoP 12hr 5 30 90 80 90
QPF 12hr 0 0.01 0.27 0.35 0.15
Snow 12hr 00-00 00-00 00-00
Rain C C C L L
Rain shwrs D D D D L L D D D
Snow L
Tstms C C C C S S S S S
Date Sat 04/27/24 Sun 04/28/24 Mon 04/29/24 Tue 04/30/24
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 30 46 29 48 27 50 27 51
Temp 36 31 44 44 34 29 45 46 33 28 47 48 35 28 49 51
Dewpt 33 29 31 32 31 27 30 28 28 25 30 30 29 24 30 27
PWind dir N NE SW SW S SW SW SW
Wind char LT LT LT GN GN BZ GN GN
Avg clouds B2 OV OV OV B2 B2 B2 B1 SC B1 B2 B1 B1 B1 B1 B1
PoP 12hr 80 80 60 50 10 50 40 40
Rain L L D L C C C S C C C C C
Rain shwrs D
Snow L L C C S C C
Tstms S
$$
MTZ328-242200-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
317 AM MDT Wed Apr 24 2024
Date Wed 04/24/24 Thu 04/25/24 Fri 04/26/24
MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 70 40 62 39 53
Temp 36 45 61 68 68 56 50 46 41 44 56 61 59 50 46 41 39 42 50 53 49
Dewpt 18 19 20 19 25 35 36 36 35 36 37 33 34 35 37 36 35 36 37 35 36
RH 47 35 20 15 20 45 58 68 79 73 49 35 39 56 71 82 85 79 61 50 61
Wind dir S SW SW SW SW S W W S NW NW NW NW N N N N N N NE N
Wind spd 8 5 5 10 11 8 5 6 6 5 4 8 10 10 6 6 6 5 8 10 11
Clouds B1 SC SC SC B1 B2 B2 B2 B2 B2 B1 B1 B2 OV OV OV OV OV OV OV B2
PoP 12hr 5 20 50 50 80
QPF 12hr 0 0 0.03 0.05 0.18
Snow 12hr 00-00 00-00 00-00
Rain S S S C C C C C C L L
Rain shwrs D D D
Tstms S S S
Date Sat 04/27/24 Sun 04/28/24 Mon 04/29/24 Tue 04/30/24
MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 37 49 34 56 35 57 33 58
Temp 41 39 43 47 39 35 50 55 41 35 54 55 41 34 52 57
Dewpt 36 36 34 35 34 32 34 30 32 29 31 29 30 27 29 26
PWind dir N N W SW SW SW SW SW
Wind char GN GN LT GN GN GN GN GN
Avg clouds B2 OV OV B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC
PoP 12hr 80 80 30 20 10 30 20 30
Rain D D L C S S S S C S S C S
Rain shwrs D
Snow C
Tstms S
$$
MTZ305-242200-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
317 AM MDT Wed Apr 24 2024
Date Wed 04/24/24 Thu 04/25/24 Fri 04/26/24
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 76 44 69 40 62
Temp 42 51 68 75 74 60 54 51 46 51 63 67 68 56 50 45 41 47 59 62 60
Dewpt 22 25 30 23 22 27 28 30 30 30 30 28 29 32 32 32 31 32 34 32 32
RH 44 36 24 14 14 28 36 44 53 44 29 23 23 40 50 60 67 56 39 32 35
Wind dir E SW SW SW SW SW SW SW SW W W W W W W W NW N NE NE NE
Wind spd 5 5 10 12 11 6 9 8 8 11 11 12 12 8 8 6 5 10 10 10 12
Clouds B1 SC FW FW SC SC B2 B2 B1 SC FW SC SC B1 B2 B2 B2 B1 B2 B2 B2
PoP 12hr 0 5 0 0 20
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain S S S
Date Sat 04/27/24 Sun 04/28/24 Mon 04/29/24 Tue 04/30/24
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 38 61 40 65 40 65 38 63
Temp 48 39 54 55 45 40 59 62 48 41 61 63 47 39 56 62
Dewpt 31 28 28 31 33 33 36 32 34 31 31 27 30 28 29 28
PWind dir NE E SE S SW SW W W
Wind char GN GN GN GN GN BZ BZ BZ
Avg clouds B2 B2 B2 B2 B2 B2 B1 SC B1 B1 B1 SC SC B1 SC SC
PoP 12hr 20 20 30 20 5 10 20 20
Rain S S C C S S S S S
$$
MTZ314-242200-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
317 AM MDT Wed Apr 24 2024
Date Wed 04/24/24 Thu 04/25/24 Fri 04/26/24
MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 71 41 61 39 52
Temp 38 52 66 71 70 58 51 46 42 49 58 61 59 52 47 43 40 45 49 50 51
Dewpt 20 24 20 21 23 30 30 30 29 30 31 32 33 34 35 33 31 32 34 36 37
RH 48 33 17 15 17 34 44 53 60 48 36 33 37 50 63 67 70 60 56 58 59
Wind dir SE S W NW N E SW W W W NW NW NW NW W W W NW N N N
Wind spd 6 6 10 10 8 5 6 10 6 9 8 9 8 6 9 10 6 8 9 9 9
Clouds SC SC CL FW FW SC B2 B1 B1 SC SC B1 B1 B2 OV B1 OV B2 OV OV OV
PoP 12hr 0 20 20 40 60
QPF 12hr 0 0 0.04 0.01 0.22
Snow 12hr 00-00 00-00 00-00
Rain S S S S C C C C C C L L C
Date Sat 04/27/24 Sun 04/28/24 Mon 04/29/24 Tue 04/30/24
MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 36 52 36 57 37 60 34 55
Temp 44 37 48 50 40 36 53 55 42 38 56 56 42 35 53 55
Dewpt 35 30 31 33 34 33 34 34 36 32 33 34 31 26 31 29
PWind dir NE E SE SW SW SW W W
Wind char GN GN GN GN GN GN GN GN
Avg clouds OV B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1
PoP 12hr 50 50 50 40 20 40 40 40
Rain C C C C C C C C S C S S C
Rain shwrs C
Snow S
Tstms S
$$
http://www.weather.gov/greatfalls