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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
26.09
Fri
even
18 h
Clear +19 654 W
8 m/s
0.0 +17 +18
27.09
Sat
night
00 h
Clear +20 655 N
4 m/s
0.0 +19 +19
27.09
Sat
morn
06 h
Clear +11 652 S
3 m/s
0.0 +10 +10
27.09
Sat
day
12 h
Clear +9 651 S
2 m/s
0.0 +8 +8
27.09
Sat
even
18 h
Clear +21 655 W
2 m/s
0.0 +19 +27
28.09
Sun
night
00 h
Clear +26 653 S
3 m/s
0.0 +21 +22
28.09
Sun
morn
06 h
Clear +15 650 S
4 m/s
0.0 +14 +14
28.09
Sun
day
12 h
Clear +14 650 S
2 m/s
0.0 +14 +14
28.09
Sun
even
18 h
Clear +23 655 N
2 m/s
0.0 +19 +27
29.09
Mon
night
00 h
Clear +25 654 NE
6 m/s
0.0 +21 +21
29.09
Mon
morn
06 h
Clear +17 653 SE
4 m/s
0.0 +16 +16
29.09
Mon
day
12 h
Light rain +16 652 SE
3 m/s
0.1 +16 +16
29.09
Mon
even
18 h
Clear +24 654 NE
2 m/s
0.0 +20 +27
30.09
Tue
night
00 h
Clear +16 405 S
2 m/s
0.0 +17 +18
30.09
Tue
morn
06 h
Light cloudy +8 343 S
2 m/s
0.0 +8 +8
30.09
Tue
day
12 h
Cloudy +8 328 S
1 m/s
0.0 +9 +9
30.09
Tue
even
18 h
Partly cloudy +11 324 W
3 m/s
0.0 +9 +12
01.10
Wen
night
00 h
Cloudy +11 323 W
2 m/s
0.0 +11 +11
Fri, 26.09
Fri
Sat
Sat
Sat
Sat
Sun
Sun
Sun
18 h
00 h
06 h
12 h
18 h
00 h
06 h
12 h
Air temperature,°С
+19
+20
+11
+9
+21
+26
+15
+14
Atmospheric pressure
654
655
652
651
655
653
650
650
Wind
W
8 m/s
N
4 m/s
S
3 m/s
S
2 m/s
W
2 m/s
S
3 m/s
S
4 m/s
S
2 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
+17
+19
+10
+8
+19
+21
+14
+14
Tefs,°C
+18
+19
+10
+8
+27
+22
+14
+14
Weather comfort
 
 
 
 
 
 
 
 
Sun
Mon
Mon
Mon
Mon
Tue
Tue
Tue
18 h
00 h
06 h
12 h
18 h
00 h
06 h
12 h
Air temperature,°С
+23
+25
+17
+16
+24
+16
+8
+8
Atmospheric pressure
655
654
653
652
654
405
343
328
Wind
N
2 m/s
NE
6 m/s
SE
4 m/s
SE
3 m/s
NE
2 m/s
S
2 m/s
S
2 m/s
S
1 m/s
Precipitation, mm
0.0
0.0
0.0
0.1
0.0
0.0
0.0
0.0
Tef,°C
+19
+21
+16
+16
+20
+17
+8
+9
Tefs,°C
+27
+21
+16
+16
+27
+18
+8
+9
Weather comfort
 
 
 
 
 
 
 
 
Tue
Wen
18 h
00 h
Air temperature,°С
+11
+11
Atmospheric pressure
324
323
Wind
W
3 m/s
W
2 m/s
Precipitation, mm
0.0
0.0
Tef,°C
+9
+11
Tefs,°C
+12
+11
Weather comfort
 
 
 
 
 
 
 
 
Air temperature,°С
Atmospheric pressure
Wind
Precipitation, mm
Tef,°C
Tefs,°C
Weather comfort
 
 
 
 
 
 
 
 
  • Fri, 26.09
  • Sun, 28.09
  • Tue, 30.09
  • , .
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.