Grand Mound, IA Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Grand Mound, IA in one place.
A chance of showers and thunderstorms before noon, then a slight chance of showers and thunderstorms between noon and 1pm, then a chance of showers and thunderstorms between 1pm and 2pm, then a slight chance of showers and thunderstorms. Mostly cloudy. High near 77, with temperatures falling to around 70 in the afternoon. Northwest wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Grand Mound, 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: Sep 15, 2026 1:29 PM CDT.
The active forecast window currently covers Sep 15 to Sep 21, 2026 for Grand Mound, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 1:29 PM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Grand Mound
Saturday looks like the warmest upcoming period in Grand Mound at 82 degrees F.
Monday Night is the coolest period ahead with temperatures near 51 degrees F.
The strongest winds are forecast for Saturday at about 5 to 10 mph SW.
Precipitation is mentioned in 13 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 1:29 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KDVN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely. Mostly cloudy, with a low around 60. North wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
A chance of showers and thunderstorms. Mostly cloudy. High near 70, with temperatures falling to around 68 in the afternoon. East wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 64. East wind 0 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms before 1pm. Mostly cloudy, with a high near 81. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 1am, then showers and thunderstorms likely. Partly cloudy, with a low around 65. Chance of precipitation is 60%.
Showers and thunderstorms likely. Partly sunny, with a high near 82. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly sunny, with a high near 73. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 72.
Partly cloudy, with a low around 51.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Sep 15
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
77°F |
5 mph
NW
|
|
Tonight
Sep 15
|
Showers And Thunderstorms Likely
|
60°F |
5 mph
N
|
|
Wednesday
Sep 16
|
Chance Showers And Thunderstorms
|
70°F |
5 mph
E
|
|
Wednesday Night
Sep 16
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms
|
64°F |
0 to 5 mph
E
|
|
Thursday
Sep 17
|
Showers And Thunderstorms
|
81°F |
0 to 5 mph
N
|
|
Thursday Night
Sep 17
|
Chance Showers And Thunderstorms
|
63°F |
0 to 5 mph
NE
|
|
Friday
Sep 18
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
81°F |
5 mph
E
|
|
Friday Night
Sep 18
|
Chance Showers And Thunderstorms
|
65°F |
5 mph
SE
|
|
Saturday
Sep 19
|
Showers And Thunderstorms Likely
|
82°F |
5 to 10 mph
SW
|
|
Saturday Night
Sep 19
|
Chance Showers And Thunderstorms
|
61°F |
5 mph
NW
|
|
Sunday
Sep 20
|
Chance Showers And Thunderstorms
|
73°F |
5 mph
NE
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
55°F |
5 mph
NE
|
|
Monday
Sep 21
|
Slight Chance Rain Showers then Mostly Sunny
|
72°F |
5 mph
NE
|
|
Monday Night
Sep 21
|
Partly Cloudy
|
51°F |
0 to 5 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grand Mound.
