Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
274
FOUS55 KTFX 302113
PFMTFX
Point Forecast Matrices
National Weather Service Great Falls MT
313 PM MDT Tue Apr 30 2024
MTZ312-011000-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
313 PM MDT Tue Apr 30 2024
Date 04/30/24 Wed 05/01/24 Thu 05/02/24 Fri
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 51 32 45 30
Temp 48 40 36 31 30 38 48 50 47 40 36 35 33 36 40 44 43 38 35 33 31
Dewpt 15 20 23 21 19 19 19 21 25 27 30 30 28 32 33 30 30 30 29 28 26
RH 26 44 59 66 63 46 31 31 42 59 79 82 82 85 76 57 60 73 78 82 81
Wind dir W N SW SW SW SW W W W W W NW W NW NW NW N NW NW W W
Wind spd 14 5 5 8 10 14 14 17 14 12 12 13 13 13 13 13 12 9 6 5 5
Clouds SC B1 SC SC SC SC B1 B2 B2 OV B2 OV OV OV OV B2 B2 B2 B2 B2 B2
PoP 12hr 10 70 80 90 50
QPF 12hr 0 0.02 0.32 0.14 0.01
Snow 12hr 00-00 00-00 T
Rain S D D D D D D D C C C C S
Rain shwrs C D
Snow S D D D D C C C S
Tstms S S
Date 05/03/24 Sat 05/04/24 Sun 05/05/24 Mon 05/06/24 Tue 05/07/24
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 53 30 63 42 61 42 61 39 59
Temp 45 52 37 31 53 62 49 43 55 57 47 43 56 59 46 40 54 57
Dewpt 28 29 28 24 32 33 33 32 38 40 37 33 34 33 31 30 31 31
PWind dir W E SE E N W SW SW W
Wind char LT LT GN GN GN GN BZ BZ BZ
Avg clouds B1 B1 SC FW SC B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC B1
PoP 12hr 20 5 5 30 40 50 30 30 30
Rain S S C C C C C C C C S S C
Snow S
$$
MTZ303-011000-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
313 PM MDT Tue Apr 30 2024
Date 04/30/24 Wed 05/01/24 Thu 05/02/24 Fri
MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 29 46 32 43 29
Temp 43 36 32 31 30 38 42 43 42 36 35 33 33 36 39 41 42 34 33 31 29
Dewpt 24 25 26 25 24 24 23 27 28 30 31 30 30 31 29 29 28 27 28 28 26
RH 47 64 78 78 78 57 46 53 57 79 85 89 89 82 67 62 57 75 82 88 88
Wind dir W NW W W W W W NW NW NW NW NW NW NW N NW N NW NW NW NW
Wind spd 19 10 9 10 12 18 21 23 21 16 16 17 18 20 24 23 20 11 10 10 9
Wind gust 26
Clouds B1 B2 B1 B1 B2 B2 B2 OV OV OV OV OV OV OV OV OV B1 B2 B2 B2 B2
PoP 12hr 30 80 80 80 20
QPF 12hr 0.01 0.09 0.18 0.06 0
Snow 12hr 00-00 00-00 T
Rain C S C L D D L L D C C S S
Snow C S S S C L D D L L D D C C S S
Date 05/03/24 Sat 05/04/24 Sun 05/05/24 Mon 05/06/24 Tue 05/07/24
MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 50 28 58 37 58 39 55 34 54
Temp 43 49 35 28 49 57 44 38 52 56 43 39 52 53 41 35 51 52
Dewpt 27 26 28 24 29 30 31 30 34 36 35 32 32 31 32 28 30 28
PWind dir NW E SE E N W W W W
Wind char GN GN GN GN GN GN BZ BZ BZ
Avg clouds B2 B1 SC SC SC B1 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1
PoP 12hr 10 0 5 20 40 30 30 30 30
Rain S C C C C C C C S S C
$$
MTZ319-011000-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
313 PM MDT Tue Apr 30 2024
Date 04/30/24 Wed 05/01/24 Thu 05/02/24 Fri
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 53 36 51 32
Temp 49 43 38 35 32 39 47 50 50 44 41 39 36 40 46 47 49 42 37 34 32
Dewpt 16 17 19 19 18 19 20 20 23 24 26 26 26 30 28 29 30 27 28 26 25
RH 26 35 46 52 56 44 34 30 34 45 55 59 67 67 49 49 48 55 70 72 75
Wind dir NW W W W W W W W W W W W W W NW N N N NW W W
Wind spd 16 11 10 10 10 16 19 24 23 18 18 18 16 10 10 10 12 8 5 3 3
Wind gust 28
Clouds SC B2 B2 B2 B2 B1 B1 B1 B1 B1 B2 B2 B2 OV B2 B2 B2 B2 B1 B1 B1
PoP 12hr 10 50 50 70 30
QPF 12hr 0 0.01 0.04 0.09 0
Snow 12hr 00-00 00-00 00-00
Rain C C L C C S S
Rain shwrs C C C L L
Snow C C C L L S S S
Snowshwrs C
Tstms S S S S S
Date 05/03/24 Sat 05/04/24 Sun 05/05/24 Mon 05/06/24 Tue 05/07/24
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 57 34 67 43 62 41 61 39 60
Temp 47 56 40 34 55 65 50 43 57 58 47 42 55 58 46 40 54 56
Dewpt 28 27 27 25 31 31 34 32 38 35 35 31 32 31 31 28 31 29
PWind dir NW S SE NE NW W W W W
Wind char LT LT GN GN GN GN BZ BZ BZ
Avg clouds B1 SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 SC B1 B1 B1
PoP 12hr 20 0 5 30 50 40 30 20 40
Rain S S S C C C C C S C S S S C
Snow S
$$
MTZ326-011000-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
313 PM MDT Tue Apr 30 2024
Date 04/30/24 Wed 05/01/24 Thu 05/02/24 Fri
MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 26 48 29 50 27
Temp 45 38 33 31 28 33 40 44 44 37 34 32 30 34 42 46 48 39 35 30 28
Dewpt 21 27 27 27 25 23 19 21 22 26 26 25 24 27 27 27 29 29 28 25 25
RH 38 64 78 85 88 66 42 39 41 64 72 75 78 75 55 47 47 67 75 81 88
Wind dir NW W S SW S W W W W W SW SW SW W W W NW N NW W SW
Wind spd 14 6 5 4 4 8 12 13 16 11 8 10 10 10 11 11 11 6 5 4 3
Clouds B2 B2 B2 OV B2 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1
PoP 12hr 50 50 40 60 30
QPF 12hr 0.04 0.01 0.02 0.05 0
Snow 12hr T 00-00 T
Rain C C C C S
Rain shwrs C
Snow C C C C C S S C C C C L L C S S C
Snowshwrs C
Tstms S
Date 05/03/24 Sat 05/04/24 Sun 05/05/24 Mon 05/06/24 Tue 05/07/24
MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 54 28 65 39 63 36 58 34 59
Temp 44 53 37 29 54 64 48 40 57 59 45 37 51 57 43 35 52 58
Dewpt 28 27 27 23 30 34 34 33 37 37 36 31 34 33 32 28 31 33
PWind dir W SE SE E S SW SW SW W
Wind char LT GN GN GN GN GN GN GN GN
Avg clouds B1 SC SC SC SC B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1
PoP 12hr 30 0 5 30 50 50 40 30 40
Rain S S C C C C C C C S S C
Rain shwrs C
Snow C
Tstms S
$$
MTZ330-011000-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
313 PM MDT Tue Apr 30 2024
Date 04/30/24 Wed 05/01/24 Thu 05/02/24 Fri
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 22 40 19 43 19
Temp 40 33 29 26 23 28 37 39 37 30 24 21 20 28 40 43 41 32 27 22 20
Dewpt 12 16 19 21 18 17 11 10 13 18 18 17 15 17 16 15 15 19 20 19 17
RH 31 49 66 81 81 63 33 30 37 60 77 84 81 63 37 32 34 58 74 88 88
Wind dir SW SW SW SW W W W W W W SW SW SW SW SW SW SW SW NW N N
Wind spd 21 14 6 5 4 8 10 11 11 6 5 5 5 8 12 11 12 5 3 2 2
Wind gust 32
Clouds B1 B1 B2 B2 B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 B2 B1 B1 B1 B1 B1 B1
PoP 12hr 40 60 40 50 40
QPF 12hr 0.02 0.08 0.01 0.01 0.02
Snow 12hr T 1 T
Snow S C C C C C C S S C C C C C C C C C
Snowshwrs L L C
Tstms S S S
Date 05/03/24 Sat 05/04/24 Sun 05/05/24 Mon 05/06/24 Tue 05/07/24
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 48 21 57 33 54 26 48 26 49
Temp 44 46 28 22 51 55 39 33 52 50 34 27 45 46 33 27 46 47
Dewpt 20 22 21 17 23 28 32 29 30 30 28 23 29 28 28 23 26 25
PWind dir NW S S SE S SW SW SW SW
Wind char LT GN GN GN GN GN GN GN GN
Avg clouds B1 B1 SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1
PoP 12hr 30 5 10 40 60 50 50 30 50
Rain C C C C C C C C
Rain shwrs L
Snow C C C C C C S C
Tstms S
$$
MTZ328-011000-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
313 PM MDT Tue Apr 30 2024
Date 04/30/24 Wed 05/01/24 Thu 05/02/24 Fri
MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 25 45 28 50 29
Temp 45 36 31 27 25 31 40 43 44 35 31 29 28 34 45 49 48 40 35 31 30
Dewpt 15 20 23 21 19 17 15 13 16 19 20 21 20 19 17 16 17 23 28 26 25
RH 29 52 72 78 78 56 36 29 32 52 63 72 71 54 32 26 29 50 75 81 81
Wind dir W NW NE S SW SW W W W SW SW SW SW SW W W N NE NE N N
Wind spd 19 10 5 6 8 8 10 16 16 11 10 10 10 10 8 10 10 9 6 6 5
Wind gust 29
Clouds B1 B1 OV B1 SC B1 B1 B1 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B1
PoP 12hr 30 40 10 30 30
QPF 12hr 0 0.01 0 0 0.02
Snow 12hr 00-00 00-00 00-00
Rain C C
Snow C C C S S C S S C C C C S S
Date 05/03/24 Sat 05/04/24 Sun 05/05/24 Mon 05/06/24 Tue 05/07/24
MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 55 31 64 40 60 36 56 33 57
Temp 46 54 37 31 56 61 47 40 55 57 44 37 52 54 40 34 52 55
Dewpt 24 20 25 23 27 29 36 35 36 32 33 30 31 28 30 26 28 26
PWind dir NW S S SE S SW SW SW SW
Wind char LT GN GN GN GN GN GN GN GN
Avg clouds B1 SC SC SC SC B2 B2 OV B2 B2 B2 B2 B1 B1 SC B1 B1 B1
PoP 12hr 10 0 10 40 50 40 30 20 30
Rain S C C C C C C C S S C C
Snow C S C
$$
MTZ305-011000-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
313 PM MDT Tue Apr 30 2024
Date 04/30/24 Wed 05/01/24 Thu 05/02/24 Fri
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 54 33 48 32
Temp 51 42 36 33 30 39 48 51 49 42 38 36 34 37 45 47 45 40 36 35 33
Dewpt 27 31 30 28 26 27 26 27 30 34 35 33 32 33 35 33 32 33 33 32 30
RH 39 65 79 82 85 62 42 39 48 73 89 89 92 85 68 58 60 76 89 89 89
Wind dir W W SW SW SW SW W W SW SW W W NW NW NW NW NW NW NW NW W
Wind spd 20 12 8 9 10 17 17 16 13 10 9 9 10 12 13 13 16 10 9 10 11
Clouds B1 SC SC B1 SC B1 B1 B2 B2 B2 B2 B2 B2 B2 OV OV OV B2 B2 B2 B2
PoP 12hr 20 60 70 80 30
QPF 12hr 0.01 0.07 0.13 0.16 0.02
Snow 12hr 00-00 00-00 00-00
Rain S L L D D D D C C S S S
Rain shwrs C C L L
Snow S S
Tstms S S S S
Date 05/03/24 Sat 05/04/24 Sun 05/05/24 Mon 05/06/24 Tue 05/07/24
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 52 30 63 40 65 41 61 38 61
Temp 46 51 37 30 56 61 47 41 58 62 48 42 57 58 46 39 54 59
Dewpt 31 29 31 26 32 30 31 31 37 39 39 36 38 38 36 32 36 36
PWind dir NW NE E E E SW W W W
Wind char GN GN GN GN GN GN BZ BZ BZ
Avg clouds B2 B1 SC SC FW SC B1 B2 B2 B1 B2 B2 B1 B1 B1 B1 B1 B1
PoP 12hr 30 5 5 10 30 40 40 30 30
Rain S C S C C C C C C C S C
Snow S
$$
MTZ314-011000-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
313 PM MDT Tue Apr 30 2024
Date 04/30/24 Wed 05/01/24 Thu 05/02/24 Fri
MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 27 48 28 41 27
Temp 47 37 32 29 28 36 44 46 44 36 33 30 29 33 38 41 39 34 33 30 28
Dewpt 18 22 22 21 19 20 18 20 25 29 29 27 26 29 29 31 30 28 29 27 25
RH 31 54 66 72 68 52 35 35 47 75 85 88 88 85 70 67 70 78 85 88 88
Wind dir W W SW SW SW W W SW W SW W W W W NW NW NW NW W W W
Wind spd 17 10 6 6 6 10 10 12 11 10 10 13 12 13 17 17 17 12 10 11 10
Clouds B1 SC B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 OV OV OV OV B2 B2 B2 B2
PoP 12hr 10 50 60 80 40
QPF 12hr 0 0.03 0.20 0.21 0
Snow 12hr 00-00 00-00 1
Rain C L L D D C C
Rain shwrs L
Snow C L L L L L D D C C C C C
Snowshwrs L
Tstms S
Date 05/03/24 Sat 05/04/24 Sun 05/05/24 Mon 05/06/24 Tue 05/07/24
MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 47 27 60 38 63 39 57 36 57
Temp 41 46 33 28 55 58 45 39 57 59 46 40 54 55 44 37 54 55
Dewpt 29 28 28 23 31 29 31 29 37 38 37 33 34 33 32 28 32 32
PWind dir NW S SE SE E W W W W
Wind char GN GN GN GN GN GN BZ BZ BZ
Avg clouds B2 B1 SC FW SC SC B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1
PoP 12hr 40 5 5 20 40 50 40 30 40
Rain C S S C C C C C C S S C
Snow C
$$
http://www.weather.gov/greatfalls