1. Station Data & Metadata
  2. IA_ASOS
  3. or select from map
Information Last Ob Photographs Calibration Meteogram Network Table Neighbors Monthly Summaries Observation History Wind Roses Custom Wind Roses Data Calendar Satellite Cloud Product Download Terminal Aerodome Forecast

Data Calendar for Waterloo

The calendar chart below shows the daily reported climate variables. You can click on a date to display the values for all sites for that day. Time stamps are displayed in the America/Chicago timezone. Wind speeds are in mph and temperatures in Fahrenheit. Values flagged with a (E) are estimated by the IEM.

Year:  

Month:  

 

May 2025Jun 2025 Jul 2025
SundayMondayTuesdayWednesday ThursdayFridaySaturday
01
High: 78
Low: 49
Precip: 0.00
Snow: 0
Snow Depth: 0
Avg Wind: SSE @ 4.3
Gust:
ESE @ 14
(1:57 PM)
RH% Min/Max: 27-89
Feel Min/Max: 50 to 78		02
High: 88
Low: 58
Precip: 0.00
Snow: 0
Snow Depth: 0
Avg Wind: S @ 11.5
Gust:
SSE @ 35
(6:45 PM)
RH% Min/Max: 31-67
Feel Min/Max: 58 to 86		03
High: 74
Low: 57
Precip: 0.13
Snow: 0
Snow Depth: 0
Avg Wind: WSW @ 12.0
Gust:
SW @ 37
(1:38 PM)
RH% Min/Max: 69-93
Feel Min/Max: 57 to 74		04
High: 77
Low: 50
Precip: 0.00
Snow: 0
Snow Depth: 0
Avg Wind: N @ 5.8
Gust:
ENE @ 20
(12:16 PM)
RH% Min/Max: 32-100
Feel Min/Max: 51 to 77		05
High: 81
Low: 50
Precip: 0.00
Snow: 0
Snow Depth: 0
Avg Wind: ESE @ 3.1
Gust:
ENE @ 18
(1:38 PM)
RH% Min/Max: 26-96
Feel Min/Max: 51 to 80		06
High: 80
Low: 62
Precip: 0.00
Snow: 0
Snow Depth: 0
Avg Wind: ENE @ 8.2
Gust:
NE @ 20
(3:47 AM)
RH% Min/Max: 36-78
Feel Min/Max: 62 to 79		07
High: 74
Low: 56
Precip: 0.00
Snow: 0
Snow Depth: 0
Avg Wind: SE @ 5.1
Gust:
SSE @ 19
(1:14 PM)
RH% Min/Max: 40-90
Feel Min/Max: 57 to 73
08
High: 76
Low: 56
Precip: 0.00
Snow: 0
Snow Depth: 0
Avg Wind: WSW @ 13.8
Gust:
W @ 32
(3:43 PM)
RH% Min/Max: 28-90
Feel Min/Max: 56 to 76		09
High: 70
Low: 52
Precip: 0.00
Snow: 0
Snow Depth: 0
Avg Wind: WNW @ 13.8
Gust:
NW @ 37
(3:36 PM)
RH% Min/Max: 42-77
Feel Min/Max: 53 to 69		10
High: 85
Low: 47
Precip: 0.00
Snow: 0
Snow Depth: 0
Avg Wind: WSW @ 8.3
Gust:
W @ 26
(11:59 AM)
RH% Min/Max: 26-93
Feel Min/Max: 48 to 82		11
High: 96
Low: 61
Precip: 1.26
Snow: 0
Snow Depth: 0
Avg Wind: SW @ 10.4
Gust:
N @ 56
(6:49 PM)
RH% Min/Max: 26-87
Feel Min/Max: 64 to 93		12
High: 85
Low: 64
Precip: 0.61
Snow: 0
Snow Depth: 0
Avg Wind: E @ 9.9
Gust:
N @ 27
(11:55 PM)
RH% Min/Max: 55-97
Feel Min/Max: 64 to 86		13
High: 85
Low: 62
Precip: 0.00
Snow: 0
Snow Depth: 0
Avg Wind: ESE @ 9.0
Gust:
E @ 22
(1:09 AM)
RH% Min/Max: 51-87
Feel Min/Max: 62 to 85		14
High: 86
Low: 64
Precip: 0.12
Snow: 0
Snow Depth: 0
Avg Wind: SSE @ 8.0
Gust:
SE @ 22
(12:36 AM)
RH% Min/Max: 55-90
Feel Min/Max: 64 to 88
15
High: 81
Low: 68
Precip: 0.03
Snow: 0
Avg Wind: SE @ 6.8
Gust:
W @ 22
(1:31 AM)
RH% Min/Max: 65-97
Feel Min/Max: 68 to 83		16
High: 85
Low: 68
Precip: 0.23
Snow: 0
Avg Wind: SSE @ 7.8
Gust:
N @ 40
(1:43 PM)
RH% Min/Max: 61-97
Feel Min/Max: 68 to 86		17
High: 83
Low: 63
Precip: 0.01
Snow: 0
Avg Wind: WNW @ 4.8
Gust:
NW @ 29
(8:25 PM)
RH% Min/Max: 51-97
Feel Min/Max: 64 to 84		18
High: 77
Low: 65
Precip: 0.50
Gust:
NNW @ 32
(7:42 PM)
RH% Min/Max: 62-100
Feel Min/Max: 65 to 76		19

Precip: M		2021
22232425262728
29300102030405

The data presented here provided by IEM API webservice: daily.json. A simple CSV option exists as well.

Daily High/Low Plot


Description: This chart of the monthly temperature data. The bars are the observations and the dots are climatology.

Daily Rainfall


Description: This chart is of daily precipitation for the month. The red line would be an average month while the blue line and bars are observations.

Daily Average Wind Speeds


Description: This chart is of the daily average wind speeds.

The data presented here provided by IEM API webservice: daily.json. A simple CSV option exists as well.