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www.weatherandclimate.eu
The table shows the combined weather forecast Lewistown 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 Lewistown

Date Time Weather type Air temperature, °C Atmospheric pressure Wind Precipitation, mm Tef, °C Tefs, °C Weather comfort
05.05
Mon
even
18 h
Snow with rain +2 655 N
4 m/s
3.5 -1 -1
06.05
Tue
night
00 h
Snow with rain +2 657 NE
3 m/s
2.5 0 0
06.05
Tue
morn
06 h
Mostly cloudy +2 658 SW
1 m/s
0.0 +2 +2
06.05
Tue
day
12 h
Mostly cloudy +2 658 SE
1 m/s
0.0 +2 +2
06.05
Tue
even
18 h
Mostly cloudy +7 659 E
3 m/s
0.0 +5 +9
07.05
Wen
night
00 h
Light cloudy +8 658 E
5 m/s
0.0 +6 +8
07.05
Wen
morn
06 h
Clear +4 656 E
1 m/s
0.0 +5 +5
07.05
Wen
day
12 h
Clear +1 653 SE
1 m/s
0.0 +1 +1
07.05
Wen
even
18 h
Clear +17 655 SW
4 m/s
0.0 +16 +27
08.05
Thu
night
00 h
Clear +20 654 S
5 m/s
0.0 +19 +21
08.05
Thu
morn
06 h
Clear +14 652 S
4 m/s
0.0 +13 +13
08.05
Thu
day
12 h
Clear +10 652 S
2 m/s
0.0 +10 +10
08.05
Thu
even
18 h
Clear +20 656 W
2 m/s
0.0 +20 +34
09.05
Fri
night
00 h
Partly cloudy +14 407 N
2 m/s
0.0 +14 +16
09.05
Fri
morn
06 h
Clear +7 347 S
1 m/s
0.0 +7 +7
09.05
Fri
day
12 h
Clear +5 333 S
1 m/s
0.0 +5 +5
09.05
Fri
even
18 h
Clear +8 329 NW
2 m/s
0.0 +8 +24
10.05
Sat
night
00 h
Light cloudy +11 327 N
1 m/s
0.0 +12 +16
Mon, 05.05
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
+2
+2
+2
+2
+7
+8
+4
+1
Atmospheric pressure
655
657
658
658
659
658
656
653
Wind
N
4 m/s
NE
3 m/s
SW
1 m/s
SE
1 m/s
E
3 m/s
E
5 m/s
E
1 m/s
SE
1 m/s
Precipitation, mm
3.5
2.5
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
-1
0
+2
+2
+5
+6
+5
+1
Tefs,°C
-1
0
+2
+2
+9
+8
+5
+1
Weather comfort
 
 
 
 
 
 
 
 
Wen
Thu
Thu
Thu
Thu
Fri
Fri
Fri
18 h
00 h
06 h
12 h
18 h
00 h
06 h
12 h
Air temperature,°С
+17
+20
+14
+10
+20
+14
+7
+5
Atmospheric pressure
655
654
652
652
656
407
347
333
Wind
SW
4 m/s
S
5 m/s
S
4 m/s
S
2 m/s
W
2 m/s
N
2 m/s
S
1 m/s
S
1 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
+16
+19
+13
+10
+20
+14
+7
+5
Tefs,°C
+27
+21
+13
+10
+34
+16
+7
+5
Weather comfort
 
 
 
 
 
 
 
 
Fri
Sat
18 h
00 h
Air temperature,°С
+8
+11
Atmospheric pressure
329
327
Wind
NW
2 m/s
N
1 m/s
Precipitation, mm
0.0
0.0
Tef,°C
+8
+12
Tefs,°C
+24
+16
Weather comfort
 
 
 
 
 
 
 
 
Air temperature,°С
Atmospheric pressure
Wind
Precipitation, mm
Tef,°C
Tefs,°C
Weather comfort
 
 
 
 
 
 
 
 
  • Mon, 05.05
  • Wen, 07.05
  • Fri, 09.05
  • , .
Location of a geographical point Lewistown (Montana, USA): latitude 47.0492 longitude -109.4578 height above sea level 1263 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.