Grimes, IA Weather Forecast
Local 7-day forecast
Patchy Fog then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Grimes, IA in one place.
Patchy fog before 8am, then a chance of showers and thunderstorms between 2pm and 4pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 85. Northeast wind around 3 mph. Chance of precipitation is 30%.
Local Weather Overview
This forecast page for Grimes, 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 10, 2026 8:19 AM CDT.
The active forecast window currently covers Jul 10 to Jul 16, 2026 for Grimes, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 10 to Jul 16, 2026
- Latest sync
- Jul 10, 2026 8:19 AM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Grimes
Wednesday looks like the warmest upcoming period in Grimes at 92 degrees F.
Tonight is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Thursday at about 6 to 10 mph SSW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Jul 10, 2026 8:19 AM 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
Mostly cloudy. Low around 66, with temperatures rising to around 68 overnight. Northeast wind around 3 mph.
Sunny, with a high near 86. East northeast wind 3 to 7 mph.
Mostly clear, with a low around 66. East wind 3 to 7 mph.
Sunny, with a high near 87. East southeast wind around 5 mph.
Clear, with a low around 67.
Sunny, with a high near 89.
Clear, with a low around 68.
Sunny, with a high near 91.
Mostly clear, with a low around 69.
Sunny, with a high near 92.
Mostly clear, with a low around 71.
Sunny, with a high near 92.
Mostly clear, with a low around 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jul 10
|
Patchy Fog then Chance Showers And Thunderstorms
|
85°F |
3 mph
NE
|
|
Tonight
Jul 10
|
Mostly Cloudy
|
66°F |
3 mph
NE
|
|
Saturday
Jul 11
|
Sunny
|
86°F |
3 to 7 mph
ENE
|
|
Saturday Night
Jul 11
|
Mostly Clear
|
66°F |
3 to 7 mph
E
|
|
Sunday
Jul 12
|
Sunny
|
87°F |
5 mph
ESE
|
|
Sunday Night
Jul 12
|
Clear
|
67°F |
6 mph
SE
|
|
Monday
Jul 13
|
Sunny
|
89°F |
5 mph
SE
|
|
Monday Night
Jul 13
|
Clear
|
68°F |
6 mph
SSE
|
|
Tuesday
Jul 14
|
Sunny
|
91°F |
5 mph
S
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
69°F |
5 mph
S
|
|
Wednesday
Jul 15
|
Sunny
|
92°F |
6 mph
SW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
71°F |
6 mph
SSW
|
|
Thursday
Jul 16
|
Sunny
|
92°F |
6 to 10 mph
SSW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
72°F |
9 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grimes.
