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The table shows the combined weather forecast in Waterloo 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 Waterloo

Date Time Weather type Air temperature, °C Atmospheric pressure Wind Precipitation, mm Tef, °C Tefs, °C Weather comfort
09.12
Tue
day
12 h
Light cloudy -4 732 W
3 m/s
0.0 -8 -8
09.12
Tue
even
18 h
Cloudy -1 729 S
2 m/s
0.0 -3 -2
10.12
Wen
night
00 h
Snow with rain +1 723 SW
5 m/s
0.3 -3 -3
10.12
Wen
morn
06 h
Cloudy +3 723 W
10 m/s
0.0 -2 -2
10.12
Wen
day
12 h
Light snow -2 728 NW
9 m/s
0.4 -9 -9
10.12
Wen
even
18 h
Cloudy -3 735 NW
7 m/s
0.0 -9 -9
11.12
Thu
night
00 h
Cloudy -6 738 NW
5 m/s
0.0 -12 -12
11.12
Thu
morn
06 h
Cloudy -7 739 NW
3 m/s
0.0 -12 -12
11.12
Thu
day
12 h
Mostly cloudy -10 739 NW
1 m/s
0.0 -11 -11
11.12
Thu
even
18 h
Cloudy -7 738 S
2 m/s
0.0 -10 -9
12.12
Fri
night
00 h
Snow -6 736 E
3 m/s
0.9 -11 -11
12.12
Fri
morn
06 h
Snow -6 736 E
2 m/s
0.6 -9 -9
12.12
Fri
day
12 h
Cloudy -6 737 NE
1 m/s
0.0 -7 -7
12.12
Fri
even
18 h
Light snow -5 739 NW
4 m/s
0.0 -10 -10
13.12
Sat
night
00 h
Cloudy -10 742 NW
6 m/s
0.0 -18 -18
13.12
Sat
morn
06 h
Cloudy -15 742 NW
5 m/s
0.0 -23 -23
13.12
Sat
day
12 h
Light snow -17 742 N
3 m/s
0.3 -24 -24
13.12
Sat
even
18 h
Snow -16 744 N
4 m/s
1.2 -23 -23
14.12
Sun
night
00 h
Light snow -17 746 NW
4 m/s
0.3 -25 -25
14.12
Sun
morn
06 h
Clear -21 748 NW
4 m/s
0.0 -30 -30
14.12
Sun
day
12 h
Clear -22 749 NW
5 m/s
0.0 -33 -33
14.12
Sun
even
18 h
Light cloudy -20 748 W
1 m/s
0.0 -23 -20
15.12
Mon
night
00 h
Clear -23 750 NE
3 m/s
0.0 -31 -31
15.12
Mon
morn
06 h
Partly cloudy -13 562 SE
2 m/s
0.0 -17 -17
15.12
Mon
day
12 h
Partly cloudy -17 746 SE
5 m/s
0.0 -27 -27
15.12
Mon
even
18 h
Light snow -13 746 SE
3 m/s
0.4 -20 -18
16.12
Tue
night
00 h
Light cloudy -14 744 E
3 m/s
0.0 -20 -20
16.12
Tue
morn
06 h
Light cloudy -14 744 SE
3 m/s
0.0 -20 -20
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
-4
-1
+1
+3
-2
-3
-6
-7
Atmospheric pressure
732
729
723
723
728
735
738
739
Wind
W
3 m/s
S
2 m/s
SW
5 m/s
W
10 m/s
NW
9 m/s
NW
7 m/s
NW
5 m/s
NW
3 m/s
Precipitation, mm
0.0
0.0
0.3
0.0
0.4
0.0
0.0
0.0
Tef,°C
-8
-3
-3
-2
-9
-9
-12
-12
Tefs,°C
-8
-2
-3
-2
-9
-9
-12
-12
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
-10
-7
-6
-6
-6
-5
-10
-15
Atmospheric pressure
739
738
736
736
737
739
742
742
Wind
NW
1 m/s
S
2 m/s
E
3 m/s
E
2 m/s
NE
1 m/s
NW
4 m/s
NW
6 m/s
NW
5 m/s
Precipitation, mm
0.0
0.0
0.9
0.6
0.0
0.0
0.0
0.0
Tef,°C
-11
-10
-11
-9
-7
-10
-18
-23
Tefs,°C
-11
-9
-11
-9
-7
-10
-18
-23
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
-17
-16
-17
-21
-22
-20
-23
-13
Atmospheric pressure
742
744
746
748
749
748
750
562
Wind
N
3 m/s
N
4 m/s
NW
4 m/s
NW
4 m/s
NW
5 m/s
W
1 m/s
NE
3 m/s
SE
2 m/s
Precipitation, mm
0.3
1.2
0.3
0.0
0.0
0.0
0.0
0.0
Tef,°C
-24
-23
-25
-30
-33
-23
-31
-17
Tefs,°C
-24
-23
-25
-30
-33
-20
-31
-17
Weather comfort
 
 
 
 
 
 
 
 
Mon
Mon
Tue
Tue
12 h
18 h
00 h
06 h
Air temperature,°С
-17
-13
-14
-14
Atmospheric pressure
746
746
744
744
Wind
SE
5 m/s
SE
3 m/s
E
3 m/s
SE
3 m/s
Precipitation, mm
0.0
0.4
0.0
0.0
Tef,°C
-27
-20
-20
-20
Tefs,°C
-27
-18
-20
-20
Weather comfort
 
 
 
 
 
 
 
 
  • Tue, 09.12
  • Thu, 11.12
  • Sat, 13.12
  • Mon, 15.12
Location of a geographical point Waterloo (Iowa, USA): latitude 42.5544 longitude -92.4011 height above sea level 265 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.