Point Forecast Matrices Issued by NWS Great Falls, MT
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Point Forecast Matrices
National Weather Service Great Falls MT
336 PM MDT Mon Apr 22 2024
MTZ312-231000-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
336 PM MDT Mon Apr 22 2024
Date 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu
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 61 35 72 43
Temp 54 45 40 34 32 41 54 59 61 51 44 40 36 48 66 71 69 59 54 48 44
Dewpt 13 16 20 18 19 21 24 22 22 24 25 23 21 25 25 24 24 28 30 29 28
RH 19 31 44 51 58 44 31 24 22 34 47 50 54 40 21 17 18 30 40 47 53
Wind dir NW NW W SW SW SW SE E E E S SW SW SW SW W W W SW SW SW
Wind spd 17 9 8 6 6 5 5 6 8 6 8 6 9 11 14 16 13 6 5 5 6
Clouds SC SC SC FW FW CL FW SC SC SC SC B1 SC FW FW SC B1 B2 B2 B1 B1
PoP 12hr 0 0 0 0 10
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Date 04/25/24 Fri 04/26/24 Sat 04/27/24 Sun 04/28/24 Mon 04/29/24
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 66 42 55 39 54 38 60 38 63
Temp 62 64 49 43 51 52 44 40 47 53 43 39 54 59 46 39 59 60
Dewpt 29 28 32 33 35 36 38 36 35 36 36 32 32 31 33 29 32 31
PWind dir W NW N N N S SW SW SW
Wind char GN GN GN GN GN GN GN GN GN
Avg clouds SC SC B2 B2 B2 B2 B2 OV B2 B2 B2 B1 SC SC SC SC SC B1
PoP 12hr 5 20 50 50 50 30 30 20 30
Rain S C C C C C C C S S C S S C
$$
MTZ303-231000-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
336 PM MDT Mon Apr 22 2024
Date 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu
MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 29 59 31 64 37
Temp 52 43 38 32 29 40 54 58 59 48 41 35 32 43 61 63 62 51 44 40 38
Dewpt 17 20 24 22 21 25 23 22 21 21 23 23 22 25 23 23 22 24 25 25 26
RH 25 39 57 66 72 55 30 25 23 34 48 61 66 49 23 21 21 34 47 55 62
Wind dir NW NW W W NW NW SE SE SE SE S W W W W W W W W W W
Wind spd 20 10 9 8 8 5 8 11 12 9 6 5 6 9 16 20 21 12 12 13 12
Clouds SC SC FW FW FW FW SC SC SC FW SC SC SC B1 B1 B2 B2 SC SC SC SC
PoP 12hr 0 0 0 0 0
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Date 04/25/24 Fri 04/26/24 Sat 04/27/24 Sun 04/28/24 Mon 04/29/24
MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 61 36 51 34 52 35 59 36 59
Temp 57 59 43 37 47 49 39 35 46 52 40 36 54 56 43 37 54 56
Dewpt 29 28 31 32 33 32 34 32 32 32 32 30 29 26 30 28 28 25
PWind dir W W N N S SW SW W W
Wind char BZ GN GN GN GN GN BZ BZ BZ
Avg clouds SC B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC B1 SC SC
PoP 12hr 0 10 30 30 30 10 10 10 20
Rain S C C C C C S
$$
MTZ319-231000-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
336 PM MDT Mon Apr 22 2024
Date 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu
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 32 64 38 73 44
Temp 56 48 41 36 32 40 54 62 64 54 46 41 38 46 64 72 70 61 53 48 44
Dewpt 13 16 17 17 18 20 22 20 19 21 22 21 22 26 30 29 28 31 32 30 30
RH 18 27 37 45 56 44 28 20 17 27 38 44 52 45 28 20 21 32 44 49 57
Wind dir NW NW W W W N E E E S S S SW SE SW W W W W W W
Wind spd 18 10 5 5 2 1 8 9 9 5 5 4 3 3 10 13 13 6 5 5 5
Clouds FW FW FW FW FW FW SC SC SC FW SC SC SC FW SC B1 B1 B2 B2 B1 B1
PoP 12hr 0 0 0 0 10
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Date 04/25/24 Fri 04/26/24 Sat 04/27/24 Sun 04/28/24 Mon 04/29/24
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 68 43 55 40 55 38 62 38 63
Temp 62 65 49 43 51 52 45 40 48 54 44 38 53 61 45 39 57 59
Dewpt 33 30 32 33 37 36 36 35 36 35 34 31 33 32 31 29 34 33
PWind dir W W NW NW NW W SW SW SW
Wind char GN GN GN GN LT GN GN GN GN
Avg clouds B1 SC B1 B2 B2 B2 B2 OV B2 B2 B1 B1 B1 B1 SC SC SC B1
PoP 12hr 10 20 70 50 60 30 30 20 40
Rain S C L C C C L C S S C S S S
Rain shwrs C
Tstms S
$$
MTZ326-231000-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
336 PM MDT Mon Apr 22 2024
Date 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu
MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 26 62 33 71 40
Temp 56 44 36 31 26 37 51 59 62 50 42 37 34 44 61 69 70 58 51 45 41
Dewpt 15 17 17 16 15 18 21 22 22 27 27 25 23 27 29 27 30 34 37 36 35
RH 19 33 45 53 62 46 30 24 21 41 55 61 64 51 29 21 22 40 59 70 79
Wind dir NW N W S S NW NE N NE SE SE SE S SW W W W SW S S SW
Wind spd 16 9 5 5 4 3 5 5 6 9 8 5 4 3 5 10 11 6 5 4 3
Clouds FW FW FW FW FW SC SC SC SC SC SC SC SC FW FW FW SC B2 B2 B1 B1
PoP 12hr 0 0 0 5 20
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain S S S
Date 04/25/24 Fri 04/26/24 Sat 04/27/24 Sun 04/28/24 Mon 04/29/24
MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 65 39 53 36 53 33 59 35 63
Temp 59 62 47 40 48 51 42 37 44 52 41 34 51 59 43 36 56 60
Dewpt 38 37 39 36 38 41 37 35 36 36 35 31 35 33 34 30 36 34
PWind dir W W N N NW SW SW S SW
Wind char LT GN LT LT LT LT GN GN GN
Avg clouds B1 B1 B2 OV B2 OV OV OV B2 B2 B2 B2 B1 B1 B1 B1 SC B1
PoP 12hr 50 60 80 70 70 30 40 20 40
Rain S C L L D L L L L C S C C S S
Rain shwrs C C
Tstms S S
$$
MTZ330-231000-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
336 PM MDT Mon Apr 22 2024
Date 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu
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 21 56 25 62 32
Temp 50 39 31 24 21 31 50 56 54 42 34 29 26 37 58 62 59 46 39 35 33
Dewpt 18 19 19 16 16 17 21 19 21 24 23 21 19 22 26 25 27 31 31 32 30
RH 28 44 61 71 81 56 31 23 27 48 64 72 74 54 29 24 29 55 73 89 89
Wind dir SW W N N NE NE SW SW SW S SE S N N SW SW SW S S SE SE
Wind spd 12 5 5 3 2 3 3 8 9 5 3 2 2 1 6 10 11 5 4 2 2
Clouds B1 B1 B1 SC SC SC B1 B1 SC SC SC SC SC FW FW SC B1 B1 B1 B1 B2
PoP 12hr 0 0 0 10 30
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain C C S S C
Date 04/25/24 Fri 04/26/24 Sat 04/27/24 Sun 04/28/24 Mon 04/29/24
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 47 30 48 27 50 27 53
Temp 53 51 38 32 45 45 35 30 44 45 33 28 46 48 35 28 49 50
Dewpt 36 35 35 30 33 33 32 29 32 31 28 25 31 30 30 24 31 30
PWind dir SW SW S N W SW SW SW SW
Wind char LT LT LT LT LT GN GN GN GN
Avg clouds B2 B2 B2 B2 B2 OV B2 B2 B2 B2 B1 B2 B1 B1 B1 SC B1 B1
PoP 12hr 80 70 90 70 80 40 50 20 50
Rain C L C L D L L L D C S C S S C
Rain shwrs D
Snow L L C S C S S
Tstms S
$$
MTZ328-231000-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
336 PM MDT Mon Apr 22 2024
Date 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu
MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 29 61 34 68 39
Temp 55 44 36 32 29 35 49 58 61 50 44 38 35 44 61 68 66 55 48 43 39
Dewpt 10 15 16 18 17 17 18 18 18 20 22 22 21 25 25 24 27 35 38 36 34
RH 16 30 43 56 60 47 29 21 19 30 41 52 56 47 25 19 23 47 68 76 82
Wind dir NW N NE E S NW N W W NE S S S SW SW SW SW SW SW W SW
Wind spd 13 11 6 5 6 5 5 5 8 6 5 6 6 5 8 13 13 8 5 5 5
Clouds FW FW SC FW FW SC B1 SC SC FW SC SC SC FW FW SC B1 B1 B1 B1 B1
PoP 12hr 0 0 0 5 10
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Date 04/25/24 Fri 04/26/24 Sat 04/27/24 Sun 04/28/24 Mon 04/29/24
MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 63 40 52 36 53 33 57 35 61
Temp 58 60 46 40 46 51 40 36 46 52 41 34 52 55 42 36 55 58
Dewpt 36 33 37 36 36 37 35 34 34 32 33 30 31 27 31 30 32 28
PWind dir W NW N N N W SW SW SW
Wind char LT GN LT GN LT GN GN GN GN
Avg clouds B1 B1 B2 OV B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC B1
PoP 12hr 30 40 70 60 50 20 30 20 30
Rain C C L L L C C C S S S C S S C
Rain shwrs C
Tstms S
$$
MTZ305-231000-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
336 PM MDT Mon Apr 22 2024
Date 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu
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 35 73 42
Temp 56 48 41 37 32 43 58 62 62 52 45 41 36 47 65 72 70 57 52 48 43
Dewpt 22 25 26 26 24 27 28 24 23 26 25 22 23 26 29 25 23 27 28 27 27
RH 26 40 55 64 72 53 32 23 22 36 45 46 59 43 26 17 17 31 39 44 53
Wind dir NW W W SW SW SW W SW S SE SE E S SW SW W W W SW SW SW
Wind spd 23 11 9 5 6 8 5 4 6 5 6 6 5 8 10 13 12 8 8 10 12
Clouds B1 SC SC FW FW CL CL SC SC SC SC B1 SC FW FW B1 B2 B1 B1 SC SC
PoP 12hr 5 0 0 0 5
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Date 04/25/24 Fri 04/26/24 Sat 04/27/24 Sun 04/28/24 Mon 04/29/24
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 68 40 61 40 59 38 64 38 66
Temp 64 66 48 41 57 58 46 40 52 58 44 39 58 62 47 39 61 63
Dewpt 31 29 34 32 34 33 32 31 33 34 36 33 36 31 34 30 33 31
PWind dir W N NE NE E SE SW SW SW
Wind char GN GN GN GN GN GN GN GN GN
Avg clouds SC SC B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC B1 SC SC
PoP 12hr 0 5 20 20 40 20 20 20 20
Rain S S S C C S S S S S
$$
MTZ314-231000-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
336 PM MDT Mon Apr 22 2024
Date 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu
MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 29 57 35 68 42
Temp 51 41 35 31 30 40 52 55 56 46 41 38 36 50 64 68 66 54 50 45 43
Dewpt 14 17 18 18 19 22 23 23 23 22 22 22 21 25 24 25 26 28 29 28 28
RH 22 37 49 58 63 48 32 29 27 38 46 52 54 37 22 20 22 36 44 51 55
Wind dir NW W W SW SW W N E E SE SE SE S SW W W NW SW SW SW W
Wind spd 20 12 10 8 5 5 5 6 8 9 9 9 6 8 11 11 10 5 6 8 6
Clouds SC FW FW FW FW FW FW SC SC SC SC SC SC FW FW FW SC B2 B2 B1 B1
PoP 12hr 0 0 0 0 20
QPF 12hr 0 0 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain S S S S
Date 04/25/24 Fri 04/26/24 Sat 04/27/24 Sun 04/28/24 Mon 04/29/24
MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 62 39 53 37 51 35 57 35 61
Temp 59 60 46 40 50 50 42 38 46 50 40 36 53 55 41 36 58 58
Dewpt 31 33 34 32 36 36 35 31 36 36 34 32 34 33 31 28 32 34
PWind dir NW NW N NE E SE W SW W
Wind char GN GN GN GN GN GN GN GN GN
Avg clouds B1 B1 B2 B2 B2 B2 B2 OV OV B2 B2 B1 B1 B1 B1 SC SC B1
PoP 12hr 20 30 60 50 70 30 40 30 40
Rain S S C C L C C C L C S S C C C
$$
http://www.weather.gov/greatfalls