Grand River, IA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Grand River, IA in one place.
Sunny, with a high near 93. Heat index values as high as 100. West wind around 6 mph.
Local Weather Overview
This forecast page for Grand River, 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 17, 2026 4:02 PM CDT.
The active forecast window currently covers Jul 18 to Jul 23, 2026 for Grand River, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 4:02 PM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Grand River
Monday looks like the warmest upcoming period in Grand River at 97 degrees F.
Thursday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Tuesday at about 10 to 15 mph N.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 4:02 PM CDT
- Coverage
- 6 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 showers and thunderstorms between 9pm and 11pm. Partly cloudy, with a low around 71. North northeast wind around 6 mph. Chance of precipitation is 20%.
Sunny, with a high near 93. East southeast wind around 3 mph.
Mostly clear, with a low around 74.
Sunny, with a high near 97.
Mostly clear, with a low around 75.
Sunny, with a high near 90.
Mostly clear, with a low around 64.
Mostly sunny, with a high near 84.
Partly cloudy, with a low around 64.
A slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 85.
A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Sunny
|
93°F |
6 mph
W
|
|
Saturday Night
Jul 18
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
71°F |
6 mph
NNE
|
|
Sunday
Jul 19
|
Sunny
|
93°F |
3 mph
ESE
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
74°F |
6 mph
S
|
|
Monday
Jul 20
|
Sunny
|
97°F |
6 to 12 mph
SSW
|
|
Monday Night
Jul 20
|
Mostly Clear
|
75°F |
7 to 12 mph
W
|
|
Tuesday
Jul 21
|
Sunny
|
90°F |
10 to 15 mph
N
|
|
Tuesday Night
Jul 21
|
Mostly Clear
|
64°F |
6 to 15 mph
N
|
|
Wednesday
Jul 22
|
Mostly Sunny
|
84°F |
7 mph
N
|
|
Wednesday Night
Jul 22
|
Partly Cloudy
|
64°F |
3 to 7 mph
E
|
|
Thursday
Jul 23
|
Slight Chance Showers And Thunderstorms
|
85°F |
6 mph
S
|
|
Thursday Night
Jul 23
|
Slight Chance Showers And Thunderstorms
|
63°F |
7 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grand River.