Home
Futures Markets
Weather
Headline News
Market News
About Us
Contact Us
Educational Materials
USDA Supply & Demand
The Bump Report
Latest Bump Report
Brandt's Market Commentary
Latest Video
Links
State Forecast for
Cedar Rapids , IA
Change Zip Code:
629
FPUS63 KDMX 212120
SFTIA
IAZ001>099-221000-
Tabular State Forecast for Iowa
National Weather Service Des Moines IA
420 PM CDT Fri Aug 21 2026
ROWS INCLUDE...
Daily predominant daytime weather 6AM-6PM
Forecast temperatures...early morning low/daytime high
Probability of precipitation nighttime 6PM-6AM/daytime 6AM-6PM
- indicates temperatures below zero
MM indicates missing data
FCST
FCST
FCST
FCST
FCST
FCST
FCST
Sat
Sun
Mon
Tue
Wed
Thu
Fri
Aug 22
Aug 23
Aug 24
Aug 25
Aug 26
Aug 27
Aug 28
...WESTERN IOWA...
Spencer
Sunny
Ptcldy
Mocldy
Ptcldy
Sunny
Ptcldy
Ptcldy
58/80
52/79
59/78
60/83
60/82
57/81
59/81
00/00
00/00
60/60
20/20
20/20
00/10
40/40
Sioux City
Sunny
Ptcldy
Ptcldy
Ptcldy
Sunny
Ptcldy
Ptcldy
61/81
57/77
62/79
64/82
62/81
61/80
62/80
00/00
00/10
70/70
20/20
30/20
10/10
40/40
Carroll
Sunny
Ptcldy
Shwrs
Ptcldy
Sunny
Ptcldy
Ptcldy
62/82
57/79
62/78
63/83
64/83
62/82
63/82
00/00
00/00
50/50
20/20
20/20
10/10
40/40
Atlantic
Sunny
Ptcldy
Shwrs
Ptcldy
Sunny
Ptcldy
Ptcldy
63/81
58/78
63/78
64/82
64/82
62/81
63/82
10/00
00/00
50/50
10/20
30/30
10/10
40/40
Shenandoah
Sunny
Mocldy
Ptcldy
Ptcldy
Ptcldy
Ptcldy
Ptcldy
66/85
62/81
66/83
67/86
68/86
66/85
67/86
20/10
00/10
50/50
10/10
40/20
10/10
40/40
...CENTRAL IOWA...
Mason City
Sunny
Sunny
Ptcldy
Ptcldy
Sunny
Sunny
Ptcldy
61/79
54/78
58/76
61/82
63/82
60/81
61/81
00/00
00/00
10/20
20/20
30/20
10/10
20/20
Fort Dodge
Sunny
Ptcldy
Mocldy
Ptcldy
Sunny
Ptcldy
Ptcldy
62/82
55/80
61/78
62/83
63/83
61/82
62/82
00/00
00/00
40/40
20/20
20/20
10/10
30/30
Ames
Sunny
Sunny
Ptcldy
Ptcldy
Sunny
Sunny
Ptcldy
64/82
58/79
62/78
64/83
65/83
63/82
64/82
00/00
00/00
30/40
20/20
20/20
20/10
30/30
Marshalltown
Sunny
Sunny
Ptcldy
Ptcldy
Sunny
Sunny
Ptcldy
62/81
56/79
59/77
61/82
64/83
61/81
62/82
00/00
00/00
20/20
10/20
30/30
00/10
20/20
Des Moines
Sunny
Ptcldy
Shwrs
Ptcldy
Sunny
Sunny
Ptcldy
66/82
60/79
65/78
65/83
67/84
66/82
66/83
00/00
00/00
30/50
20/20
30/20
20/10
30/30
Creston
Sunny
Ptcldy
Shwrs
Ptcldy
Sunny
Sunny
Ptcldy
65/83
60/80
65/80
65/84
67/84
65/83
66/84
10/00
00/00
40/50
10/10
30/20
20/10
30/30
Lamoni
Sunny
Ptcldy
Mocldy
Ptcldy
Ptcldy
Sunny
Ptcldy
65/83
61/80
65/79
65/83
67/84
65/83
66/83
10/10
00/00
40/40
10/10
30/30
10/10
20/20
...EASTERN IOWA...
Decorah
Sunny
Sunny
Ptcldy
Ptcldy
Sunny
Sunny
Ptcldy
62/78
56/75
56/75
60/79
63/81
61/80
61/79
00/00
00/00
00/10
20/20
40/40
10/20
20/20
Oelwein
Sunny
Sunny
Ptcldy
Ptcldy
Sunny
Sunny
Ptcldy
62/78
56/75
58/74
61/78
64/80
62/79
62/79
00/00
00/00
00/10
20/20
40/40
10/10
20/20
Waterloo
Sunny
Sunny
Ptcldy
Ptcldy
Sunny
Sunny
Ptcldy
63/79
57/77
59/76
62/80
64/82
62/80
62/81
00/00
00/00
00/10
20/20
40/40
10/10
20/20
Dubuque
Sunny
Sunny
Ptcldy
Ptcldy
Sunny
Sunny
Ptcldy
63/80
58/77
57/77
61/79
65/82
63/80
63/80
50/00
00/00
00/00
20/20
30/30
10/10
10/10
Cedar Rapids
Sunny
Sunny
Ptcldy
Ptcldy
Sunny
Sunny
Ptcldy
64/82
58/80
59/78
62/81
65/83
63/82
63/82
20/00
00/00
00/10
20/20
30/30
10/10
10/20
Iowa City
Sunny
Sunny
Ptcldy
Ptcldy
Sunny
Sunny
Ptcldy
64/82
59/80
60/78
63/81
66/84
64/83
64/82
20/00
00/00
00/10
10/20
30/30
10/10
10/20
Quad Cities
Sunny
Sunny
Ptcldy
Ptcldy
Ptcldy
Sunny
Ptcldy
63/81
59/78
59/77
62/80
65/82
63/81
64/81
60/00
00/00
00/00
10/10
30/30
20/10
10/20
Ottumwa
Sunny
Sunny
Ptcldy
Ptcldy
Ptcldy
Sunny
Ptcldy
65/84
59/81
63/78
64/83
67/84
65/83
65/83
10/00
00/00
10/30
10/10
20/20
10/10
10/20
Burlington
Sunny
Sunny
Ptcldy
Ptcldy
Ptcldy
Sunny
Ptcldy
64/81
59/79
59/77
62/80
65/82
64/82
64/81
20/00
00/00
00/10
10/10
20/20
20/20
20/20
Keokuk
Sunny
Sunny
Ptcldy
Ptcldy
Ptcldy
Sunny
Ptcldy
66/82
61/79
62/77
64/81
67/83
65/82
66/82
10/10
10/00
00/20
10/10
20/20
20/10
10/20
$$
DTN Weather
Local Weather
Radar
County Forecast
State Forecast
DTN Weather Commentary
US Satellite
Current Surface Analysis
Wind Conditions
Today's Forecast Highs
Tonight's Forecast Lows
24 Hr Surface Forecast
Jet Stream Forecast
24 Hr Rainfall Estimate
24 Hr StormPath Accum
48 Hr StormPath Accum
6-10 Day Temp Forecast
6-10 Day Precip Forecast
Thunderstorm Outlook
US Drought Monitor
US Palmer Drought Index
US Crop Moisture Index
US Growing Degree Days
Soil Temperatures
Hurricane Tracking
DTN Weather Summary
Bryce Anderson
–
DTN Meteorologist
Bio
System Moving Through Midwest This Weekend, Another Next Week
» More DTN Weather Commentary
Posted at 12:17PM Fri Aug 21, 2026 CDT
Click here
to get your local weather emailed to you each day.
Copyright DTN. All rights reserved.
Disclaimer
.
This material has been prepared by a sales or trading employee or agent of B.I.S. Commodities and is, or is in the nature of, a solicitation. For full disclaimer
click here