Point Forecast Matrices Issued by NWS Great Falls, MT
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PFMTFX
Point Forecast Matrices
National Weather Service Great Falls MT
215 AM MDT Fri Apr 26 2024
MTZ312-262200-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
215 AM MDT Fri Apr 26 2024
Date Fri 04/26/24 Sat 04/27/24 Sun 04/28/24
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 59 41 56 39 61
Temp 44 41 46 54 57 57 52 49 46 43 47 53 55 54 48 46 42 40 47 57 61 59
Dewpt 30 31 32 31 30 30 32 35 36 33 33 35 38 38 40 41 38 35 36 33 31 29
RH 57 67 58 41 35 35 46 58 68 67 58 50 53 54 74 83 86 82 65 40 32 32
Wind dir W W NW NW N N N NE N N E E NW NW W SW SW SW SW W W W
Wind spd 5 6 9 10 10 10 8 9 6 5 5 5 8 8 5 5 5 8 12 14 17 16
Clouds B1 B1 B2 B2 B2 B2 OV OV B2 B2 B2 B2 B2 B2 OV B2 B2 B1 SC SC SC SC
PoP 12hr 20 70 60 50 10
QPF 12hr 0 0.03 0.04 0.07 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S C C L C C C L L C C S S
Date Mon 04/29/24 Tue 04/30/24 Wed 05/01/24 Thu 05/02/24
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 58 36 56 33 60 35 68
Temp 45 41 55 53 40 37 51 54 40 34 52 59 44 36 60 64
Dewpt 28 28 30 22 20 17 17 19 22 21 24 26 29 27 32 32
PWind dir SW SW W W W W SE SW
Wind char GN BZ BZ BZ GN GN GN GN
Avg clouds SC B1 B1 B1 SC SC SC SC B1 SC SC B1 SC SC SC SC
PoP 12hr 5 40 10 20 20 20 20 20
Rain shwrs S C S S S S S S S
Snowshwrs S S S
$$
MTZ303-262200-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
215 AM MDT Fri Apr 26 2024
Date Fri 04/26/24 Sat 04/27/24 Sun 04/28/24
MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 53 38 53 35 58
Temp 39 37 42 50 53 53 46 43 41 39 42 48 51 52 45 41 37 36 45 55 58 56
Dewpt 31 31 28 27 28 27 26 29 31 32 31 32 35 36 36 37 33 31 31 28 28 25
RH 73 79 57 41 38 36 45 57 67 76 65 54 54 54 70 85 85 82 58 35 32 30
Wind dir NW NW N N N N N N N N NE SE SE S S SW SW SW SW W W W
Wind spd 10 14 19 19 18 18 10 10 10 9 8 8 11 10 8 6 10 11 18 25 25 25
Clouds SC B2 B2 B2 B1 B1 B2 OV OV B2 B2 B2 OV B2 B2 B1 SC B1 SC FW FW SC
PoP 12hr 20 40 50 20 0
QPF 12hr 0 0.04 0.06 0.02 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S S C C C C C C S S
Date Mon 04/29/24 Tue 04/30/24 Wed 05/01/24 Thu 05/02/24
MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 37 54 33 52 29 55 32 63
Temp 42 38 51 50 36 33 47 51 35 30 48 54 40 33 56 60
Dewpt 27 26 22 18 19 19 19 20 23 22 24 23 27 24 29 28
PWind dir SW W W W W NW SW S
Wind char BZ BZ BZ WY GN GN GN GN
Avg clouds SC B2 B1 SC SC SC B1 SC SC SC B1 B1 SC SC B1 B1
PoP 12hr 0 10 10 20 20 20 10 20
Rain shwrs S S S S S
Snowshwrs S S S S
$$
MTZ319-262200-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
215 AM MDT Fri Apr 26 2024
Date Fri 04/26/24 Sat 04/27/24 Sun 04/28/24
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 57 42 53 39 61
Temp 46 43 48 54 56 55 51 48 46 44 44 50 53 52 49 46 42 39 45 55 59 61
Dewpt 30 32 33 34 34 35 34 36 37 36 36 39 39 39 39 39 36 35 36 36 32 30
RH 53 65 56 46 43 47 52 63 71 73 73 66 59 61 68 76 79 85 70 49 36 31
Wind dir W W NW N N N N N NW NW NW N NW W SW SW SW W W W W W
Wind spd 5 5 5 10 13 12 9 10 9 6 5 5 6 9 5 5 5 5 5 12 18 18
Clouds B1 B2 B2 B2 B2 OV OV OV B2 B2 B2 OV B2 B2 B2 B2 B1 B1 B1 B1 SC SC
PoP 12hr 50 80 80 50 20
QPF 12hr 0.02 0.14 0.07 0.14 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C L L D L L L D D C C S S S S
Date Mon 04/29/24 Tue 04/30/24 Wed 05/01/24 Thu 05/02/24
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 56 33 56 33 61 36 68
Temp 47 39 52 52 40 33 48 55 41 33 52 60 44 36 60 64
Dewpt 30 30 34 25 21 20 21 21 24 23 27 29 29 28 34 31
PWind dir W W W W W W W SE
Wind char GN GN BZ BZ GN GN GN GN
Avg clouds B1 B2 B1 B2 SC SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr 10 60 20 30 20 20 10 30
Rain shwrs C L S C S S S C
Snowshwrs S S S
Tstms S
$$
MTZ326-262200-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
215 AM MDT Fri Apr 26 2024
Date Fri 04/26/24 Sat 04/27/24 Sun 04/28/24
MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 54 36 56 37 60
Temp 46 42 45 49 51 50 46 44 42 38 42 51 56 54 47 44 41 38 43 52 57 59
Dewpt 39 38 39 40 41 41 40 39 38 36 37 39 37 38 40 40 38 35 38 38 36 35
RH 76 86 79 71 68 71 79 82 86 92 82 63 49 54 76 86 89 89 82 59 45 40
Wind dir W S W SE N N N N NW SW E E E E W SW W W W W W W
Wind spd 5 4 3 5 8 11 10 8 6 4 6 11 12 12 6 5 4 3 4 8 10 13
Clouds OV OV OV OV B2 OV B2 OV OV B2 B2 B2 B2 B2 OV OV OV B2 B2 B1 B1 B1
PoP 12hr 90 60 70 60 50
QPF 12hr 0.17 0.04 0.03 0.09 0.02
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C L D L L L C C L L L L L L C C C C C C S
Tstms S S S
Date Mon 04/29/24 Tue 04/30/24 Wed 05/01/24 Thu 05/02/24
MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 37 57 28 55 28 59 31 66
Temp 44 37 52 50 36 29 46 53 37 29 49 57 41 32 58 64
Dewpt 35 33 35 33 26 21 22 25 27 23 29 31 30 26 34 34
PWind dir W SW W W W SW SE SE
Wind char GN GN GN GN GN GN GN GN
Avg clouds B1 B2 B1 B2 B2 B1 SC B1 B1 B1 SC SC B1 SC SC SC
PoP 12hr 30 80 50 30 20 20 10 20
Rain shwrs S C C D C C S S S S S
Snowshwrs S S S S S
Tstms S
$$
MTZ330-262200-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
215 AM MDT Fri Apr 26 2024
Date Fri 04/26/24 Sat 04/27/24 Sun 04/28/24
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 50 33 52 32 50
Temp 36 35 37 46 50 47 39 36 36 35 38 49 51 47 40 37 35 32 37 47 50 46
Dewpt 35 33 34 35 35 34 34 33 33 31 31 34 34 36 36 35 33 31 32 31 31 31
RH 96 92 89 65 56 60 82 89 89 85 76 56 52 65 85 92 92 96 82 53 48 55
Wind dir N N NW S NW N NE NE N N NE E S SE SW SW SW W W W SW SW
Wind spd 0 0 3 3 4 9 10 8 6 5 6 6 5 8 5 5 3 3 5 8 10 13
Clouds OV OV OV B2 B2 B2 B2 OV OV OV OV B2 B2 B2 OV OV B2 B2 B2 B2 B2 B1
PoP 12hr 80 70 80 70 60
QPF 12hr 0.07 0.04 0.14 0.23 0.03
Snow 12hr 00-00 00-00 00-00
Rain shwrs L D L C C L C C C C C D D L L C C C C L L C
Snowshwrs C C C C C
Tstms C C C S S S S S S
Obvis PF
Winter Storm W W W W W W W W W W W W
Date Mon 04/29/24 Tue 04/30/24 Wed 05/01/24 Thu 05/02/24
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 29 48 21 47 23 53 24 58
Temp 35 29 46 44 30 22 43 45 30 23 48 49 32 25 55 55
Dewpt 31 27 30 27 23 16 18 19 23 18 23 22 24 20 25 26
PWind dir SW SW SW SW SW SW S S
Wind char GN BZ BZ GN GN GN GN GN
Avg clouds B1 B2 B2 B2 B1 SC SC B1 B1 SC SC SC SC FW SC SC
PoP 12hr 30 70 50 40 20 20 10 20
Rain shwrs C S C L C S S
Snowshwrs S C C S C C S
Tstms S S
$$
MTZ328-262200-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
215 AM MDT Fri Apr 26 2024
Date Fri 04/26/24 Sat 04/27/24 Sun 04/28/24
MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 53 38 50 36 57
Temp 44 40 42 47 51 49 43 41 40 39 40 44 48 50 44 41 38 36 40 50 55 56
Dewpt 37 36 37 38 39 38 38 37 38 37 38 39 39 39 39 37 36 34 33 33 32 30
RH 76 85 82 71 63 66 82 85 92 92 92 82 71 66 82 85 92 92 76 52 41 37
Wind dir SW N N NE NE N N N NE N NE N N N N W W W W W W W
Wind spd 6 6 6 8 11 17 13 11 10 8 8 8 5 5 6 5 5 6 5 6 11 13
Clouds OV OV OV OV B2 B2 OV OV OV OV OV OV B2 B2 B2 B2 B1 B1 B1 B1 SC B1
PoP 12hr 80 80 80 30 20
QPF 12hr 0.17 0.08 0.17 0.01 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C L C L L D D L D D D L L C C S S S S S S
Tstms S S C
Date Mon 04/29/24 Tue 04/30/24 Wed 05/01/24 Thu 05/02/24
MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 36 55 28 54 28 59 33 66
Temp 43 36 52 49 34 28 46 53 36 29 48 58 41 33 59 63
Dewpt 32 30 29 25 22 19 18 19 24 22 24 24 27 25 29 26
PWind dir SW SW W SW W W S S
Wind char GN GN GN GN GN GN GN GN
Avg clouds B2 B2 B1 B2 B1 SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr 10 60 20 20 10 10 10 20
Rain shwrs C L S S S
Snowshwrs S S S
Tstms S
$$
MTZ305-262200-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
215 AM MDT Fri Apr 26 2024
Date Fri 04/26/24 Sat 04/27/24 Sun 04/28/24
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 66 39 65 42 67
Temp 47 41 48 61 64 63 55 49 47 41 48 61 64 63 55 51 47 43 48 60 65 66
Dewpt 31 31 32 32 32 33 31 29 27 25 25 30 30 31 34 33 34 34 37 36 33 32
RH 53 67 54 33 30 32 40 46 45 52 40 31 28 30 45 50 60 70 65 41 30 28
Wind dir SW SW NW N N NE NE E E E E E SE SE SE SE S S SW SW W W
Wind spd 5 5 8 8 10 12 10 11 11 9 12 12 12 14 10 12 9 8 10 12 12 13
Clouds B1 SC FW SC B2 B2 B2 B2 B2 B1 B1 B1 B2 B2 OV OV OV OV B1 SC SC SC
PoP 12hr 20 20 10 30 20
QPF 12hr 0 0 0 0.01 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S C C S S S S
Date Mon 04/29/24 Tue 04/30/24 Wed 05/01/24 Thu 05/02/24
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 63 36 56 33 60 36 67
Temp 48 41 60 60 43 37 51 54 40 34 52 59 42 37 59 66
Dewpt 30 29 28 25 22 22 28 24 26 25 28 28 29 26 30 32
PWind dir W W W W W W E SE
Wind char GN BZ BZ BZ GN GN GN GN
Avg clouds SC SC SC SC B1 SC SC SC B1 SC SC SC SC SC SC SC
PoP 12hr 5 20 20 20 30 20 10 20
Rain shwrs S S S S C C S S S
Snowshwrs S
$$
MTZ314-262200-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
215 AM MDT Fri Apr 26 2024
Date Fri 04/26/24 Sat 04/27/24 Sun 04/28/24
MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 57 38 58 38 58
Temp 45 41 48 53 55 54 48 46 41 38 46 55 58 57 49 46 41 39 45 54 58 56
Dewpt 34 32 32 33 34 34 34 34 30 27 30 33 31 30 30 30 31 33 36 37 34 33
RH 65 70 54 46 45 46 58 63 65 64 53 43 36 35 48 53 67 79 70 52 40 42
Wind dir W SW W NW N NE W E E E SE SE SE SE SE SE SE S W NW NW NW
Wind spd 8 6 6 8 9 9 6 6 11 10 11 13 14 14 10 10 5 4 6 10 9 10
Clouds B1 B2 B2 B2 B2 OV B2 B1 B1 B2 B1 B1 B2 B2 OV B2 B2 OV B2 B1 B1 SC
PoP 12hr 50 40 30 30 50
QPF 12hr 0.03 0 0 0 0.01
Snow 12hr 00-00 00-00 00-00
Rain shwrs S C C S S S S C C C C C C C C C C S
Date Mon 04/29/24 Tue 04/30/24 Wed 05/01/24 Thu 05/02/24
MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 37 56 31 52 30 56 33 65
Temp 43 37 55 48 38 32 48 50 36 31 51 54 40 34 61 63
Dewpt 32 29 32 30 23 17 19 19 23 21 25 26 28 25 32 33
PWind dir W W W W W W SW S
Wind char GN GN BZ BZ GN GN GN GN
Avg clouds B1 B1 B1 B2 B1 SC SC B1 B1 SC SC B1 SC SC SC SC
PoP 12hr 20 70 40 30 30 30 20 20
Rain shwrs S S S L C C C C S S
Snowshwrs C S S
Tstms S
$$
http://www.weather.gov/greatfalls