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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
26.07
Sat
even
18 h
Clear +23 665 NE
1 m/s
0.0 +19 +36
27.07
Sun
night
00 h
Rain +27 665 SE
2 m/s
1.1 +22 +25
27.07
Sun
morn
06 h
Light cloudy +21 664 SE
1 m/s
0.0 +19 +19
27.07
Sun
day
12 h
Clear +15 664 SW
2 m/s
0.0 +15 +15
27.07
Sun
even
18 h
Light cloudy +23 668 NE
3 m/s
0.1 +19 +29
28.07
Mon
night
00 h
Light rain +28 668 E
3 m/s
0.5 +23 +26
28.07
Mon
morn
06 h
Rain +19 668 SE
2 m/s
0.8 +19 +19
28.07
Mon
day
12 h
Light cloudy +15 670 W
1 m/s
0.0 +16 +16
28.07
Mon
even
18 h
Light rain +21 672 NW
1 m/s
0.3 +20 +35
29.07
Tue
night
00 h
Light rain +25 672 E
2 m/s
0.5 +21 +25
29.07
Tue
morn
06 h
Rain +18 671 NE
3 m/s
0.9 +18 +18
29.07
Tue
day
12 h
Light cloudy +16 673 NE
1 m/s
0.0 +16 +16
29.07
Tue
even
18 h
Clear +22 673 NE
2 m/s
0.0 +19 +33
30.07
Wen
night
00 h
Light cloudy +18 503 NE
3 m/s
0.0 +18 +21
30.07
Wen
morn
06 h
Partly cloudy +12 461 NE
2 m/s
0.0 +12 +12
30.07
Wen
day
12 h
Clear +11 451 E
1 m/s
0.0 +12 +12
30.07
Wen
even
18 h
Mostly cloudy +14 448 E
1 m/s
0.0 +15 +22
31.07
Thu
night
00 h
Partly cloudy +16 446 E
2 m/s
0.0 +16 +18
Sat, 26.07
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
+23
+27
+21
+15
+23
+28
+19
+15
Atmospheric pressure
665
665
664
664
668
668
668
670
Wind
NE
1 m/s
SE
2 m/s
SE
1 m/s
SW
2 m/s
NE
3 m/s
E
3 m/s
SE
2 m/s
W
1 m/s
Precipitation, mm
0.0
1.1
0.0
0.0
0.1
0.5
0.8
0.0
Tef,°C
+19
+22
+19
+15
+19
+23
+19
+16
Tefs,°C
+36
+25
+19
+15
+29
+26
+19
+16
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
+21
+25
+18
+16
+22
+18
+12
+11
Atmospheric pressure
672
672
671
673
673
503
461
451
Wind
NW
1 m/s
E
2 m/s
NE
3 m/s
NE
1 m/s
NE
2 m/s
NE
3 m/s
NE
2 m/s
E
1 m/s
Precipitation, mm
0.3
0.5
0.9
0.0
0.0
0.0
0.0
0.0
Tef,°C
+20
+21
+18
+16
+19
+18
+12
+12
Tefs,°C
+35
+25
+18
+16
+33
+21
+12
+12
Weather comfort
 
 
 
 
 
 
 
 
Wen
Thu
18 h
00 h
Air temperature,°С
+14
+16
Atmospheric pressure
448
446
Wind
E
1 m/s
E
2 m/s
Precipitation, mm
0.0
0.0
Tef,°C
+15
+16
Tefs,°C
+22
+18
Weather comfort
 
 
 
 
 
 
 
 
Air temperature,°С
Atmospheric pressure
Wind
Precipitation, mm
Tef,°C
Tefs,°C
Weather comfort
 
 
 
 
 
 
 
 
  • Sat, 26.07
  • Mon, 28.07
  • Wen, 30.07
  • , .
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.