Grant, IA Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Grant, IA in one place.
Showers and thunderstorms. Cloudy. High near 70, with temperatures falling to around 65 in the afternoon. North northeast wind around 9 mph, with gusts as high as 16 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Grant, 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 1:26 PM CDT.
The active forecast window currently covers Sep 15 to Sep 21, 2026 for Grant, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 1:26 PM CDT
- Forecast office
- OAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Grant
Friday looks like the warmest upcoming period in Grant at 85 degrees F.
Monday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Friday at about 10 to 15 mph S.
Precipitation is mentioned in 14 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 1:26 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- OAX
- Radar station
- KOAX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Rain showers likely before 9pm, then a slight chance of showers and thunderstorms between 10pm and midnight, then a chance of showers and thunderstorms between midnight and 1am, then a chance of showers and thunderstorms between 1am and 2am, then showers and thunderstorms likely between 2am and 3am, then a chance of showers and thunderstorms between 3am and 4am, then showers and thunderstorms likely. Mostly cloudy, with a low around 59. Northeast wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm. Mostly cloudy. High near 73, with temperatures falling to around 70 in the afternoon. East wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of showers and thunderstorms between 7pm and 9pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64. East wind 1 to 6 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 81. East wind 2 to 6 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. East southeast wind 6 to 9 mph, with gusts as high as 17 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. South wind 10 to 15 mph, with gusts as high as 22 mph.
A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 67. South southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Showers and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 81. West southwest wind around 9 mph.
A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 62. North wind around 7 mph.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 71. North wind 6 to 9 mph.
A chance of rain showers. Mostly cloudy, with a low around 57. North wind 2 to 7 mph.
A slight chance of rain showers. Mostly cloudy, with a high near 69. North wind 3 to 8 mph.
A slight chance of rain showers before 7pm. Mostly cloudy, with a low around 55. North northeast wind 2 to 6 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Sep 15
|
Showers And Thunderstorms
|
70°F |
9 mph
NNE
|
|
Tonight
Sep 15
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
59°F |
8 mph
NE
|
|
Wednesday
Sep 16
|
Showers And Thunderstorms
|
73°F |
6 to 10 mph
E
|
|
Wednesday Night
Sep 16
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
64°F |
1 to 6 mph
E
|
|
Thursday
Sep 17
|
Chance Showers And Thunderstorms
|
81°F |
2 to 6 mph
E
|
|
Thursday Night
Sep 17
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
66°F |
6 to 9 mph
ESE
|
|
Friday
Sep 18
|
Slight Chance Showers And Thunderstorms
|
85°F |
10 to 15 mph
S
|
|
Friday Night
Sep 18
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
67°F |
8 to 13 mph
SSW
|
|
Saturday
Sep 19
|
Showers And Thunderstorms Likely
|
81°F |
9 mph
WSW
|
|
Saturday Night
Sep 19
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
62°F |
7 mph
N
|
|
Sunday
Sep 20
|
Chance Showers And Thunderstorms
|
71°F |
6 to 9 mph
N
|
|
Sunday Night
Sep 20
|
Chance Rain Showers
|
57°F |
2 to 7 mph
N
|
|
Monday
Sep 21
|
Slight Chance Rain Showers
|
69°F |
3 to 8 mph
N
|
|
Monday Night
Sep 21
|
Slight Chance Rain Showers then Mostly Cloudy
|
55°F |
2 to 6 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grant.