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The table shows the combined weather forecast in 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
25.10
Sat
even
18 h
Partly cloudy +13 661 SW
2 m/s
0.0 +13 +15
26.10
Sun
night
00 h
Mostly cloudy +16 659 E
3 m/s
0.0 +16 +16
26.10
Sun
morn
06 h
Partly cloudy +11 655 SW
4 m/s
0.0 +9 +9
26.10
Sun
day
12 h
Partly cloudy +7 658 SW
6 m/s
0.1 +4 +4
26.10
Sun
even
18 h
Clear +7 660 SW
10 m/s
0.0 +3 +3
27.10
Mon
night
00 h
Clear +9 661 W
7 m/s
0.0 +6 +6
27.10
Mon
morn
06 h
Partly cloudy +4 659 S
3 m/s
0.0 +2 +2
27.10
Mon
day
12 h
Partly cloudy +3 662 SW
5 m/s
0.0 0 0
27.10
Mon
even
18 h
Mostly cloudy +6 665 SW
8 m/s
0.0 +2 +2
28.10
Tue
night
00 h
Light rain +8 668 W
8 m/s
0.3 +4 +4
28.10
Tue
morn
06 h
Clear +1 669 SW
4 m/s
0.0 -2 -2
28.10
Tue
day
12 h
Clear -1 670 SW
3 m/s
0.0 -4 -4
28.10
Tue
even
18 h
Clear +4 672 SW
4 m/s
0.0 +1 +3
29.10
Wen
night
00 h
Clear +5 503 SW
3 m/s
0.0 +3 +3
29.10
Wen
morn
06 h
Clear +2 461 SW
2 m/s
0.0 0 0
29.10
Wen
day
12 h
Clear +2 449 SW
2 m/s
0.0 0 0
29.10
Wen
even
18 h
Light cloudy +7 446 SW
3 m/s
0.0 +5 +7
30.10
Thu
night
00 h
Partly cloudy +8 443 W
2 m/s
0.0 +8 +8
Sat, 25.10
Sat
Sun
Sun
Sun
Sun
Mon
Mon
Mon
18 h
00 h
06 h
12 h
18 h
00 h
06 h
12 h
Air temperature,°С
+13
+16
+11
+7
+7
+9
+4
+3
Atmospheric pressure
661
659
655
658
660
661
659
662
Wind
SW
2 m/s
E
3 m/s
SW
4 m/s
SW
6 m/s
SW
10 m/s
W
7 m/s
S
3 m/s
SW
5 m/s
Precipitation, mm
0.0
0.0
0.0
0.1
0.0
0.0
0.0
0.0
Tef,°C
+13
+16
+9
+4
+3
+6
+2
0
Tefs,°C
+15
+16
+9
+4
+3
+6
+2
0
Weather comfort
 
 
 
 
 
 
 
 
Mon
Tue
Tue
Tue
Tue
Wen
Wen
Wen
18 h
00 h
06 h
12 h
18 h
00 h
06 h
12 h
Air temperature,°С
+6
+8
+1
-1
+4
+5
+2
+2
Atmospheric pressure
665
668
669
670
672
503
461
449
Wind
SW
8 m/s
W
8 m/s
SW
4 m/s
SW
3 m/s
SW
4 m/s
SW
3 m/s
SW
2 m/s
SW
2 m/s
Precipitation, mm
0.0
0.3
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
+2
+4
-2
-4
+1
+3
0
0
Tefs,°C
+2
+4
-2
-4
+3
+3
0
0
Weather comfort
 
 
 
 
 
 
 
 
Wen
Thu
18 h
00 h
Air temperature,°С
+7
+8
Atmospheric pressure
446
443
Wind
SW
3 m/s
W
2 m/s
Precipitation, mm
0.0
0.0
Tef,°C
+5
+8
Tefs,°C
+7
+8
Weather comfort
 
 
 
 
 
 
 
 
Air temperature,°С
Atmospheric pressure
Wind
Precipitation, mm
Tef,°C
Tefs,°C
Weather comfort
 
 
 
 
 
 
 
 
  • Sat, 25.10
  • Mon, 27.10
  • Wen, 29.10
  • , .
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.