Griswold, IA Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Griswold, IA in one place.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 3pm, then a slight chance of showers and thunderstorms. Cloudy. High near 75, with temperatures falling to around 73 in the afternoon. East wind 7 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Griswold, 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 1:25 PM CDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for Griswold, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 1:25 PM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Griswold
Friday looks like the warmest upcoming period in Griswold at 84 degrees F.
Monday Night is the coolest period ahead with temperatures near 50 degrees F.
The strongest winds are forecast for Friday at about 10 to 15 mph SSE.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 1:25 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- DMX
- Radar station
- KOAX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 63. East wind 1 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely before 1pm. Mostly cloudy, with a high near 82. East wind 1 to 7 mph. Chance of precipitation is 70%. 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 64. East southeast wind around 9 mph, with gusts as high as 16 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms. Mostly sunny, with a high near 84. South southeast wind 10 to 15 mph, with gusts as high as 22 mph.
A chance of showers and thunderstorms before 1am, then showers and thunderstorms. Partly cloudy, with a low around 65. South wind 9 to 14 mph, with gusts as high as 21 mph.
Showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 79. West southwest wind 8 to 12 mph, with gusts as high as 17 mph.
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 58. North wind 5 to 8 mph.
A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 70. North wind 6 to 10 mph.
Partly cloudy, with a low around 53. North northeast wind 2 to 7 mph.
Partly sunny, with a high near 69. Northeast wind 3 to 7 mph.
Partly cloudy, with a low around 50. East northeast wind 2 to 6 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Chance Showers And Thunderstorms
|
75°F |
7 to 10 mph
E
|
|
Wednesday Night
Sep 16
|
Chance Showers And Thunderstorms
|
63°F |
1 to 6 mph
E
|
|
Thursday
Sep 17
|
Showers And Thunderstorms Likely
|
82°F |
1 to 7 mph
E
|
|
Thursday Night
Sep 17
|
Chance Showers And Thunderstorms
|
64°F |
9 mph
ESE
|
|
Friday
Sep 18
|
Chance Showers And Thunderstorms
|
84°F |
10 to 15 mph
SSE
|
|
Friday Night
Sep 18
|
Chance Showers And Thunderstorms
|
65°F |
9 to 14 mph
S
|
|
Saturday
Sep 19
|
Showers And Thunderstorms
|
79°F |
8 to 12 mph
WSW
|
|
Saturday Night
Sep 19
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
58°F |
5 to 8 mph
N
|
|
Sunday
Sep 20
|
Slight Chance Showers And Thunderstorms
|
70°F |
6 to 10 mph
N
|
|
Sunday Night
Sep 20
|
Partly Cloudy
|
53°F |
2 to 7 mph
NNE
|
|
Monday
Sep 21
|
Partly Sunny
|
69°F |
3 to 7 mph
NE
|
|
Monday Night
Sep 21
|
Partly Cloudy
|
50°F |
2 to 6 mph
ENE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Griswold.