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Data Calendar for MARSHALLTOWN

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:  

 

Jun 2026Jul 2026 Aug 2026
SundayMondayTuesdayWednesday ThursdayFridaySaturday
28293001
High: 90
Low: 76
Precip: 0.00
Avg Wind: SSW @ 12.4
Gust:
S @ 29
(3:53 PM)
RH% Min/Max: 56-82
Feel Min/Max: 77 to 99		02
High: 91
Low: 67
Precip: 1.85
Snow: 0.0
Snow Depth: 0.0
Avg Wind: SSW @ 10.5
Gust:
SSW @ 32
(7:24 PM)
RH% Min/Max: 59-97
Feel Min/Max: 69 to 97		03
High: 86
Low: 65
Precip: 1.58
Snow Depth: 0.0
Avg Wind: SE @ 10.0
Gust:
SSW @ 34
(1:02 AM)
RH% Min/Max: 65-100
Feel Min/Max: 65 to 92		04
High: 85
Low: 67
Precip: 0.28
Snow: 0.0
Snow Depth: 0.0
Avg Wind: WNW @ 7.4
Gust:
NNW @ 32
(4:27 PM)
RH% Min/Max: 61-97
Feel Min/Max: 68 to 90
05
High: 85
Low: 65
Precip: 0.00
Snow: 0.0
Snow Depth: 0.0
Avg Wind: NE @ 4.6
RH% Min/Max: 59-100
Feel Min/Max: 65 to 89		06
High: 85
Low: 66
Precip: 0.00
Snow: 0.0
Snow Depth: 0.0
Avg Wind: E @ 4.1
RH% Min/Max: 55-97
Feel Min/Max: 67 to 88		07
High: 88
Low: 64
Precip: 0.00
Snow: 0.0
Snow Depth: 0.0
Avg Wind: SSW @ 3.5
RH% Min/Max: 52-97
Feel Min/Max: 65 to 91		08
High: 87
Low: 67
Precip: 0.08
Snow: 0.0
Snow Depth: 0.0
Avg Wind: S @ 8.2
Gust:
ENE @ 27
(10:20 PM)
RH% Min/Max: 57-93
Feel Min/Max: 68 to 92		09
High: 84
Low: 65
Precip: 0.06
Snow: 0.0
Snow Depth: 0.0
Avg Wind: WSW @ 2.9
RH% Min/Max: 65-100
Feel Min/Max: 65 to 89		10
High: 83
Low: 67
Precip: 0.05
Snow: 0.0
Snow Depth: 0.0
Avg Wind: NE @ 3.6
RH% Min/Max: 67-97
Feel Min/Max: 68 to 88		11
High: 84
Low: 66
Precip: 0.00
Snow Depth: 0.0
Avg Wind: ENE @ 4.7
RH% Min/Max: 49-97
Feel Min/Max: 66 to 85
12
High: 85
Low: 62
Precip: 0.00
RH% Min/Max: 50-93
Feel Min/Max: 63 to 88		13
High: 87
Low: 61
Precip: 0.00
Avg Wind: WSW @ 1.6
RH% Min/Max: 53-93
Feel Min/Max: 70 to 90		14
High: 90
Low: 64
Precip: 0.00
Snow: 0.0
Snow Depth: 0.0
Avg Wind: NNE @ 1.9
RH% Min/Max: 50-100
Feel Min/Max: 65 to 95		15
High: 90
Low: 65
Precip: 0.00
Snow: 0.0
Snow Depth: 0.0
Avg Wind: N @ 1.8
RH% Min/Max: 52-100
Feel Min/Max: 65 to 96		16
High: 90
Low: 67
Precip: 0.00
Snow: 0.0
Snow Depth: 0.0
Avg Wind: WSW @ 2.7
RH% Min/Max: 52-100
Feel Min/Max: 68 to 96		17
High: 89
Low: 71
Precip: 0.00
Snow: 0.0
Snow Depth: 0.0
Avg Wind: SW @ 6.5
Gust:
SW @ 20
(1:15 PM)
RH% Min/Max: 61-97
Feel Min/Max: 71 to 98		18
High: 85
Low: 67
Precip: Trace
Snow: 0.0
Snow Depth: 0.0
Avg Wind: NNW @ 7.6
Gust:
NNE @ 18
(4:45 PM)
RH% Min/Max: 63-93
Feel Min/Max: 69 to 91
19
High: 85
Low: 60
Precip: 0.00
Snow: 0.0
Snow Depth: 0.0
Avg Wind: E @ 6.1
RH% Min/Max: 57-97
Feel Min/Max: 62 to 86		20
High: 90
Low: 68
Precip: 0.83
Snow: 0.0
Snow Depth: 0.0
Avg Wind: S @ 10.0
Gust:
NNE @ 62
(5:22 PM)
RH% Min/Max: 72-97
Feel Min/Max: 69 to 102		21
High: 76
Low: 58
Precip: 0.00
Snow: 0.0
Snow Depth: 0.0
Avg Wind: NW @ 12.4
Gust:
NNW @ 32
(10:00 AM)
RH% Min/Max: 56-97
Feel Min/Max: 59 to 76		22
High: 74
Low: 56
Precip: 0.00
Snow: 0.0
Snow Depth: 0.0
Avg Wind: NE @ 5.8
Gust:
NE @ 17
(2:05 PM)
RH% Min/Max: 55-96
Feel Min/Max: 57 to 73		23
High: 74
Low: 54
Precip: 0.00
RH% Min/Max: 51-93
Feel Min/Max: 55 to 74		24

Precip: M		25
26272829303101

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.