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www.weatherandclimate.info
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
09.06
Mon
day
15 h
Clear +18 666 SW
3 m/s
0.0 +18 +23
09.06
Mon
even
18 h
Clear +27 667 SW
5 m/s
0.0 +23 +32
09.06
Mon
even
21 h
Clear +32 667 W
4 m/s
0.0 +26 +37
10.06
Tue
night
00 h
Light cloudy +33 665 W
6 m/s
0.0 +27 +29
10.06
Tue
night
03 h
Clear +29 664 NW
4 m/s
0.0 +24 +24
10.06
Tue
morn
06 h
Clear +23 664 W
2 m/s
0.0 +19 +19
10.06
Tue
morn
09 h
Clear +18 663 SW
3 m/s
0.0 +18 +18
10.06
Tue
day
12 h
Clear +16 664 SW
1 m/s
0.0 +17 +17
10.06
Tue
day
15 h
Clear +19 666 NW
3 m/s
0.0 +18 +23
10.06
Tue
even
18 h
Clear +22 667 NW
2 m/s
0.0 +19 +35
10.06
Tue
even
21 h
Clear +27 666 NE
3 m/s
0.0 +22 +34
11.06
Wen
night
00 h
Light cloudy +27 665 NE
3 m/s
0.0 +23 +27
11.06
Wen
night
03 h
Rain +23 665 E
2 m/s
0.7 +19 +19
11.06
Wen
morn
06 h
Light cloudy +20 664 E
2 m/s
0.0 +19 +19
11.06
Wen
morn
09 h
Light cloudy +18 664 SE
1 m/s
0.0 +19 +19
11.06
Wen
day
12 h
Clear +16 663 S
1 m/s
0.0 +17 +17
11.06
Wen
day
15 h
Light cloudy +17 665 E
2 m/s
0.0 +17 +22
11.06
Wen
even
18 h
Light cloudy +22 666 N
2 m/s
0.0 +19 +32
11.06
Wen
even
21 h
Partly cloudy +26 665 NE
3 m/s
0.0 +22 +30
12.06
Thu
night
00 h
Light cloudy +26 665 NE
4 m/s
0.0 +21 +24
12.06
Thu
night
03 h
Light cloudy +24 664 NE
3 m/s
0.1 +20 +20
12.06
Thu
morn
06 h
Rain +17 664 NE
4 m/s
1.4 +17 +17
12.06
Thu
morn
09 h
Light rain +17 664 NE
1 m/s
0.3 +18 +18
Mon, 09.06
Mon
Mon
Mon
Tue
Tue
Tue
Tue
Tue
15 h
18 h
21 h
00 h
03 h
06 h
09 h
12 h
Air temperature,°С
+18
+27
+32
+33
+29
+23
+18
+16
Atmospheric pressure
666
667
667
665
664
664
663
664
Wind
SW
3 m/s
SW
5 m/s
W
4 m/s
W
6 m/s
NW
4 m/s
W
2 m/s
SW
3 m/s
SW
1 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
+18
+23
+26
+27
+24
+19
+18
+17
Tefs,°C
+23
+32
+37
+29
+24
+19
+18
+17
Weather comfort
 
 
 
 
 
 
 
 
Tue
Tue
Tue
Wen
Wen
Wen
Wen
Wen
15 h
18 h
21 h
00 h
03 h
06 h
09 h
12 h
Air temperature,°С
+19
+22
+27
+27
+23
+20
+18
+16
Atmospheric pressure
666
667
666
665
665
664
664
663
Wind
NW
3 m/s
NW
2 m/s
NE
3 m/s
NE
3 m/s
E
2 m/s
E
2 m/s
SE
1 m/s
S
1 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.7
0.0
0.0
0.0
Tef,°C
+18
+19
+22
+23
+19
+19
+19
+17
Tefs,°C
+23
+35
+34
+27
+19
+19
+19
+17
Weather comfort
 
 
 
 
 
 
 
 
Wen
Wen
Wen
Thu
Thu
Thu
Thu
15 h
18 h
21 h
00 h
03 h
06 h
09 h
Air temperature,°С
+17
+22
+26
+26
+24
+17
+17
Atmospheric pressure
665
666
665
665
664
664
664
Wind
E
2 m/s
N
2 m/s
NE
3 m/s
NE
4 m/s
NE
3 m/s
NE
4 m/s
NE
1 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.1
1.4
0.3
Tef,°C
+17
+19
+22
+21
+20
+17
+18
Tefs,°C
+22
+32
+30
+24
+20
+17
+18
Weather comfort
 
 
 
 
 
 
 
 
  • Mon, 09.06
  • Tue, 10.06
  • Wen, 11.06
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.