Cromwell, IA Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Cromwell, IA in one place.
A chance of rain showers. Sunny, with a high near 97. Heat index values as high as 109. Northwest wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Cromwell, IA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 27, 2026 7:46 PM CDT.
The active forecast window currently covers Jul 27 to Aug 2, 2026 for Cromwell, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 27 to Aug 2, 2026
- Latest sync
- Jul 27, 2026 7:46 PM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Cromwell
This Afternoon looks like the warmest upcoming period in Cromwell at 97 degrees F.
Saturday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Friday Night at about 8 to 13 mph N.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 27, 2026 7:46 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- DMX
- Radar station
- KDMX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers before 7pm, then patchy smoke. Partly cloudy, with a low around 73. Heat index values as high as 109. East northeast wind 2 to 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Patchy smoke. Mostly sunny, with a high near 87. East northeast wind around 7 mph.
Patchy smoke. Partly cloudy, with a low around 68. East southeast wind around 7 mph.
Patchy smoke before 8am. Sunny, with a high near 87. Southeast wind around 6 mph.
Partly cloudy, with a low around 68.
A slight chance of showers and thunderstorms between 7am and 1pm. Partly sunny, with a high near 86. Chance of precipitation is 20%.
A chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 80%.
Showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 80%.
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65. Chance of precipitation is 50%.
Mostly sunny, with a high near 82.
Mostly clear, with a low around 64.
Sunny, with a high near 85.
Mostly clear, with a low around 65.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Jul 27
|
Chance Rain Showers
|
97°F |
5 mph
NW
|
|
Tonight
Jul 27
|
Slight Chance Rain Showers then Patchy Smoke
|
73°F |
2 to 6 mph
ENE
|
|
Tuesday
Jul 28
|
Patchy Smoke
|
87°F |
7 mph
ENE
|
|
Tuesday Night
Jul 28
|
Patchy Smoke
|
68°F |
7 mph
ESE
|
|
Wednesday
Jul 29
|
Patchy Smoke then Sunny
|
87°F |
6 mph
SE
|
|
Wednesday Night
Jul 29
|
Partly Cloudy
|
68°F |
6 mph
SE
|
|
Thursday
Jul 30
|
Slight Chance Showers And Thunderstorms
|
86°F |
6 to 9 mph
SSE
|
|
Thursday Night
Jul 30
|
Chance Showers And Thunderstorms
|
68°F |
6 to 9 mph
SSE
|
|
Friday
Jul 31
|
Showers And Thunderstorms
|
82°F |
6 to 12 mph
W
|
|
Friday Night
Jul 31
|
Chance Showers And Thunderstorms
|
65°F |
8 to 13 mph
N
|
|
Saturday
Aug 1
|
Mostly Sunny
|
82°F |
9 to 13 mph
N
|
|
Saturday Night
Aug 1
|
Mostly Clear
|
64°F |
3 to 10 mph
NNE
|
|
Sunday
Aug 2
|
Sunny
|
85°F |
5 mph
NNE
|
|
Sunday Night
Aug 2
|
Mostly Clear
|
65°F |
6 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Cromwell.