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The table shows the combined weather forecast in Great Falls for three days 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
22.02
Sat
day
12 h
Mostly cloudy +3 664 SW
7 m/s
0.0 -1 -1
22.02
Sat
day
15 h
Cloudy +3 663 SW
8 m/s
0.0 -2 -2
22.02
Sat
even
18 h
Mostly cloudy +3 663 SW
10 m/s
0.0 -2 -2
22.02
Sat
even
21 h
Partly cloudy +4 663 SW
10 m/s
0.0 -2 -2
23.02
Sun
night
00 h
Clear +5 663 SW
9 m/s
0.0 0 0
23.02
Sun
night
03 h
Clear +5 662 SW
9 m/s
0.0 0 0
23.02
Sun
morn
06 h
Mostly cloudy +5 661 SW
8 m/s
0.0 0 0
23.02
Sun
morn
09 h
Partly cloudy +6 659 SW
8 m/s
0.0 +1 +1
23.02
Sun
day
12 h
Partly cloudy +5 659 SW
7 m/s
0.0 +1 +1
23.02
Sun
day
15 h
Mostly cloudy +5 659 SW
6 m/s
0.0 +2 +2
23.02
Sun
even
18 h
Partly cloudy +7 659 SW
5 m/s
0.0 +5 +7
23.02
Sun
even
21 h
Light cloudy +8 659 SW
7 m/s
0.0 +5 +6
24.02
Mon
night
00 h
Partly cloudy +7 659 SW
5 m/s
0.0 +4 +4
24.02
Mon
night
03 h
Mostly cloudy +6 659 SW
3 m/s
0.0 +4 +4
24.02
Mon
morn
06 h
Snow with rain +6 657 SW
5 m/s
0.3 +3 +3
24.02
Mon
morn
09 h
Partly cloudy +6 658 SW
7 m/s
0.1 +3 +3
24.02
Mon
day
12 h
Clear +6 659 SW
10 m/s
0.0 +1 +1
24.02
Mon
day
15 h
Partly cloudy +4 659 W
8 m/s
0.0 -1 -1
24.02
Mon
even
18 h
Clear +6 660 SW
7 m/s
0.0 +2 +3
24.02
Mon
even
21 h
Partly cloudy +8 660 SW
5 m/s
0.0 +5 +7
25.02
Tue
night
00 h
Mostly cloudy +6 658 SW
3 m/s
0.0 +4 +4
25.02
Tue
night
03 h
Mostly cloudy +5 657 SW
4 m/s
0.0 +2 +2
25.02
Tue
morn
06 h
Mostly cloudy +5 656 SW
4 m/s
0.1 +2 +2
Sat, 22.02
Sat
Sat
Sat
Sat
Sun
Sun
Sun
Sun
12 h
15 h
18 h
21 h
00 h
03 h
06 h
09 h
Air temperature,°С
+3
+3
+3
+4
+5
+5
+5
+6
Atmospheric pressure
664
663
663
663
663
662
661
659
Wind
SW
7 m/s
SW
8 m/s
SW
10 m/s
SW
10 m/s
SW
9 m/s
SW
9 m/s
SW
8 m/s
SW
8 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
-1
-2
-2
-2
0
0
0
+1
Tefs,°C
-1
-2
-2
-2
0
0
0
+1
Weather comfort
 
 
 
 
 
 
 
 
Sun
Sun
Sun
Sun
Mon
Mon
Mon
Mon
12 h
15 h
18 h
21 h
00 h
03 h
06 h
09 h
Air temperature,°С
+5
+5
+7
+8
+7
+6
+6
+6
Atmospheric pressure
659
659
659
659
659
659
657
658
Wind
SW
7 m/s
SW
6 m/s
SW
5 m/s
SW
7 m/s
SW
5 m/s
SW
3 m/s
SW
5 m/s
SW
7 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.3
0.1
Tef,°C
+1
+2
+5
+5
+4
+4
+3
+3
Tefs,°C
+1
+2
+7
+6
+4
+4
+3
+3
Weather comfort
 
 
 
 
 
 
 
 
Mon
Mon
Mon
Mon
Tue
Tue
Tue
12 h
15 h
18 h
21 h
00 h
03 h
06 h
Air temperature,°С
+6
+4
+6
+8
+6
+5
+5
Atmospheric pressure
659
659
660
660
658
657
656
Wind
SW
10 m/s
W
8 m/s
SW
7 m/s
SW
5 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
0.1
Tef,°C
+1
-1
+2
+5
+4
+2
+2
Tefs,°C
+1
-1
+3
+7
+4
+2
+2
Weather comfort
 
 
 
 
 
 
 
 
  • Sat, 22.02
  • Sun, 23.02
  • Mon, 24.02
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.