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www.weatherandclimate.eu
The table shows the combined weather forecast Great Falls for a week ahead, automatically compiled according to several independent sources. The time is local. The atmospheric pressure in mm of mercury - at the level of the city (station).
The indicators of Tef (effective temperature), Tefs (effective sun temperature) and verbal characteristics of weather comfort are given (see explanations below).

Weather in Great Falls

Date Time Weather type Air temperature, °C Atmospheric pressure Wind Precipitation, mm Tef, °C Tefs, °C Weather comfort
27.12
Sat
day
12 h
Snow -0 654 W
6 m/s
0.4 -5 -5
27.12
Sat
even
18 h
Snow -14 663 N
5 m/s
0.4 -23 -23
28.12
Sun
night
00 h
Partly cloudy -14 667 NW
3 m/s
0.0 -20 -20
28.12
Sun
morn
06 h
Partly cloudy -16 669 SW
2 m/s
0.0 -21 -21
28.12
Sun
day
12 h
Clear -15 669 E
1 m/s
0.0 -18 -18
28.12
Sun
even
18 h
Clear -8 672 SW
2 m/s
0.0 -11 -9
29.12
Mon
night
00 h
Clear -4 671 SW
5 m/s
0.0 -10 -10
29.12
Mon
morn
06 h
Light cloudy -4 671 SW
3 m/s
0.0 -7 -7
29.12
Mon
day
12 h
Clear -4 671 SW
3 m/s
0.0 -7 -7
29.12
Mon
even
18 h
Clear +1 672 SW
5 m/s
0.0 -3 -2
30.12
Tue
night
00 h
Clear +2 670 SW
4 m/s
0.0 -2 -2
30.12
Tue
morn
06 h
Light cloudy +1 670 SW
3 m/s
0.0 -1 -1
30.12
Tue
day
12 h
Light cloudy 0 670 SW
3 m/s
0.0 -3 -3
30.12
Tue
even
18 h
Light cloudy +4 671 SW
3 m/s
0.0 +2 +3
31.12
Wen
night
00 h
Light cloudy +3 668 SW
4 m/s
0.0 0 0
31.12
Wen
morn
06 h
Clear +4 666 SW
4 m/s
0.0 +1 +1
31.12
Wen
day
12 h
Light cloudy +5 666 S
5 m/s
0.0 +2 +2
31.12
Wen
even
18 h
Light cloudy +6 664 SW
6 m/s
0.0 +3 +4
01.01
Thu
night
00 h
Light cloudy +5 663 SW
4 m/s
0.0 +2 +2
01.01
Thu
morn
06 h
Clear -2 660 SW
2 m/s
0.0 -5 -5
01.01
Thu
day
12 h
Clear -5 660 SW
2 m/s
0.0 -7 -7
01.01
Thu
even
18 h
Clear -2 659 SW
2 m/s
0.0 -5 -3
02.01
Fri
night
00 h
Light cloudy -2 658 NE
2 m/s
0.0 -4 -4
02.01
Fri
morn
06 h
Clear -0 657 NE
1 m/s
0.0 0 0
02.01
Fri
day
12 h
Light cloudy -0 655 SW
2 m/s
0.0 -2 -2
02.01
Fri
even
18 h
Light cloudy +6 656 SW
2 m/s
0.0 +5 +6
03.01
Sat
night
00 h
Partly cloudy +6 656 S
2 m/s
0.0 +4 +4
03.01
Sat
morn
06 h
Mostly cloudy +1 653 SW
2 m/s
0.0 -1 -1
Sat, 27.12
Sat
Sat
Sun
Sun
Sun
Sun
Mon
Mon
12 h
18 h
00 h
06 h
12 h
18 h
00 h
06 h
Air temperature,°С
-0
-14
-14
-16
-15
-8
-4
-4
Atmospheric pressure
654
663
667
669
669
672
671
671
Wind
W
6 m/s
N
5 m/s
NW
3 m/s
SW
2 m/s
E
1 m/s
SW
2 m/s
SW
5 m/s
SW
3 m/s
Precipitation, mm
0.4
0.4
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
-5
-23
-20
-21
-18
-11
-10
-7
Tefs,°C
-5
-23
-20
-21
-18
-9
-10
-7
Weather comfort
 
 
 
 
 
 
 
 
Mon
Mon
Tue
Tue
Tue
Tue
Wen
Wen
12 h
18 h
00 h
06 h
12 h
18 h
00 h
06 h
Air temperature,°С
-4
+1
+2
+1
0
+4
+3
+4
Atmospheric pressure
671
672
670
670
670
671
668
666
Wind
SW
3 m/s
SW
5 m/s
SW
4 m/s
SW
3 m/s
SW
3 m/s
SW
3 m/s
SW
4 m/s
SW
4 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
-7
-3
-2
-1
-3
+2
0
+1
Tefs,°C
-7
-2
-2
-1
-3
+3
0
+1
Weather comfort
 
 
 
 
 
 
 
 
Wen
Wen
Thu
Thu
Thu
Thu
Fri
Fri
12 h
18 h
00 h
06 h
12 h
18 h
00 h
06 h
Air temperature,°С
+5
+6
+5
-2
-5
-2
-2
-0
Atmospheric pressure
666
664
663
660
660
659
658
657
Wind
S
5 m/s
SW
6 m/s
SW
4 m/s
SW
2 m/s
SW
2 m/s
SW
2 m/s
NE
2 m/s
NE
1 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
+2
+3
+2
-5
-7
-5
-4
0
Tefs,°C
+2
+4
+2
-5
-7
-3
-4
0
Weather comfort
 
 
 
 
 
 
 
 
Fri
Fri
Sat
Sat
12 h
18 h
00 h
06 h
Air temperature,°С
-0
+6
+6
+1
Atmospheric pressure
655
656
656
653
Wind
SW
2 m/s
SW
2 m/s
S
2 m/s
SW
2 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
Tef,°C
-2
+5
+4
-1
Tefs,°C
-2
+6
+4
-1
Weather comfort
 
 
 
 
 
 
 
 
  • Sat, 27.12
  • Mon, 29.12
  • Wen, 31.12
  • Fri, 02.01
Location of a geographical point Great Falls (Montana, USA): latitude 47.4733 longitude -111.3822 height above sea level 1117 m.
Navigation:
Notes:
Tef - Effective temperature - the temperature felt by a seasonally dressed person in the shade. The calculation takes into account the influence of humidity, wind speed and atmospheric pressure on the human heat perception.
Tefs - Effective sun temperature - the temperature that a person feels, adjusted for solar radiation. Depends on the amount of cloud cover and the height of the sun above the horizon. At night and in cloudy weather the correction is zero.
Weather comfort - a verbal characteristic that characterizes the favorability or unfavorability of forecast meteorological conditions for a seasonally dressed person. Both relative characteristics are used: warm, cool, cold, very cold, showing how much the expected Tef will be higher or lower than the norm, and absolute ones: the risk of sunstroke, the risk of overheating, hot, very hot, stuffy, very stuffy, comfort, the risk of colds, the risk of frostbite that occur when the Tef, Tefs, air temperature or a combination of certain criteria are reached.