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The table shows the combined weather forecast in Williston for 14 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 Williston

Date Time Weather type Air temperature, °C Atmospheric pressure Wind Precipitation, mm Tef, °C Tefs, °C Weather comfort
09.12
Tue
day
12 h
Snow with rain +2 694 SW
6 m/s
0.5 -2 -2
09.12
Tue
even
18 h
Light rain +3 695 NW
9 m/s
0.3 -2 -2
10.12
Wen
night
00 h
Partly cloudy -1 703 NW
10 m/s
0.0 -7 -7
10.12
Wen
morn
06 h
Partly cloudy -8 710 NW
7 m/s
0.0 -16 -16
10.12
Wen
day
12 h
Clear -13 712 NW
3 m/s
0.0 -19 -19
10.12
Wen
even
18 h
Cloudy -11 711 SE
3 m/s
0.0 -16 -16
11.12
Thu
night
00 h
Snow -7 706 SE
6 m/s
0.9 -14 -14
11.12
Thu
morn
06 h
Cloudy -3 704 S
4 m/s
0.2 -7 -7
11.12
Thu
day
12 h
Cloudy -2 703 S
2 m/s
0.1 -4 -4
11.12
Thu
even
18 h
Light snow -1 703 NE
3 m/s
0.0 -4 -4
12.12
Fri
night
00 h
Snow -5 708 N
9 m/s
0.9 -13 -13
12.12
Fri
morn
06 h
Partly cloudy -17 716 NW
6 m/s
0.0 -27 -27
12.12
Fri
day
12 h
Light cloudy -22 717 NW
5 m/s
0.0 -32 -32
12.12
Fri
even
18 h
Cloudy -21 717 NW
4 m/s
0.0 -30 -30
13.12
Sat
night
00 h
Cloudy -20 715 N
2 m/s
0.0 -26 -26
13.12
Sat
morn
06 h
Light snow -20 714 NE
3 m/s
0.3 -27 -27
13.12
Sat
day
12 h
Light snow -20 714 N
3 m/s
0.5 -28 -28
13.12
Sat
even
18 h
Partly cloudy -19 717 NE
3 m/s
0.0 -27 -26
14.12
Sun
night
00 h
Light cloudy -23 716 NE
2 m/s
0.1 -29 -29
14.12
Sun
morn
06 h
Partly cloudy -23 717 S
1 m/s
0.0 -26 -26
14.12
Sun
day
12 h
Mostly cloudy -23 715 SE
2 m/s
0.0 -29 -29
14.12
Sun
even
18 h
Light snow -11 708 SW
4 m/s
0.0 -17 -16
15.12
Mon
night
00 h
Partly cloudy -12 706 SE
7 m/s
0.0 -21 -21
15.12
Mon
morn
06 h
Partly cloudy -8 529 S
2 m/s
0.0 -11 -11
15.12
Mon
day
12 h
Light cloudy -10 710 W
3 m/s
0.0 -15 -15
15.12
Mon
even
18 h
Light cloudy -2 702 S
5 m/s
0.0 -7 -6
16.12
Tue
night
00 h
Light cloudy -8 708 SE
5 m/s
0.0 -15 -15
16.12
Tue
morn
06 h
Light cloudy -9 709 SE
3 m/s
0.0 -13 -13
Tue, 09.12
Tue
Tue
Wen
Wen
Wen
Wen
Thu
Thu
12 h
18 h
00 h
06 h
12 h
18 h
00 h
06 h
Air temperature,°С
+2
+3
-1
-8
-13
-11
-7
-3
Atmospheric pressure
694
695
703
710
712
711
706
704
Wind
SW
6 m/s
NW
9 m/s
NW
10 m/s
NW
7 m/s
NW
3 m/s
SE
3 m/s
SE
6 m/s
S
4 m/s
Precipitation, mm
0.5
0.3
0.0
0.0
0.0
0.0
0.9
0.2
Tef,°C
-2
-2
-7
-16
-19
-16
-14
-7
Tefs,°C
-2
-2
-7
-16
-19
-16
-14
-7
Weather comfort
 
 
 
 
 
 
 
 
Thu
Thu
Fri
Fri
Fri
Fri
Sat
Sat
12 h
18 h
00 h
06 h
12 h
18 h
00 h
06 h
Air temperature,°С
-2
-1
-5
-17
-22
-21
-20
-20
Atmospheric pressure
703
703
708
716
717
717
715
714
Wind
S
2 m/s
NE
3 m/s
N
9 m/s
NW
6 m/s
NW
5 m/s
NW
4 m/s
N
2 m/s
NE
3 m/s
Precipitation, mm
0.1
0.0
0.9
0.0
0.0
0.0
0.0
0.3
Tef,°C
-4
-4
-13
-27
-32
-30
-26
-27
Tefs,°C
-4
-4
-13
-27
-32
-30
-26
-27
Weather comfort
 
 
 
 
 
 
 
 
Sat
Sat
Sun
Sun
Sun
Sun
Mon
Mon
12 h
18 h
00 h
06 h
12 h
18 h
00 h
06 h
Air temperature,°С
-20
-19
-23
-23
-23
-11
-12
-8
Atmospheric pressure
714
717
716
717
715
708
706
529
Wind
N
3 m/s
NE
3 m/s
NE
2 m/s
S
1 m/s
SE
2 m/s
SW
4 m/s
SE
7 m/s
S
2 m/s
Precipitation, mm
0.5
0.0
0.1
0.0
0.0
0.0
0.0
0.0
Tef,°C
-28
-27
-29
-26
-29
-17
-21
-11
Tefs,°C
-28
-26
-29
-26
-29
-16
-21
-11
Weather comfort
 
 
 
 
 
 
 
 
Mon
Mon
Tue
Tue
12 h
18 h
00 h
06 h
Air temperature,°С
-10
-2
-8
-9
Atmospheric pressure
710
702
708
709
Wind
W
3 m/s
S
5 m/s
SE
5 m/s
SE
3 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
Tef,°C
-15
-7
-15
-13
Tefs,°C
-15
-6
-15
-13
Weather comfort
 
 
 
 
 
 
 
 
Air temperature,°С
Atmospheric pressure
Wind
Precipitation, mm
Tef,°C
Tefs,°C
Weather comfort
 
 
 
 
 
 
 
 
Air temperature,°С
Atmospheric pressure
Wind
Precipitation, mm
Tef,°C
Tefs,°C
Weather comfort
 
 
 
 
 
 
 
 
Air temperature,°С
Atmospheric pressure
Wind
Precipitation, mm
Tef,°C
Tefs,°C
Weather comfort
 
 
 
 
 
 
 
 
  • Tue, 09.12
  • Thu, 11.12
  • Sat, 13.12
  • Mon, 15.12
  • , .
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  • , .
Location of a geographical point Williston (North Dakota, USA): latitude 48.1739 longitude -103.6367 height above sea level 580 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.