Grundy Center, IA Weather Forecast
Local 7-day forecast
Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Grundy Center, IA in one place.
Rain showers. Cloudy. High near 59, with temperatures falling to around 56 in the afternoon. Northwest wind 6 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Grundy Center, 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: Oct 15, 2026 4:30 PM CDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Grundy Center, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 4:30 PM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Grundy Center
Wednesday looks like the warmest upcoming period in Grundy Center at 73 degrees F.
Friday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Friday at about 18 to 28 mph NNW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 4:30 PM 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
Rain showers likely before 10pm. Mostly cloudy. Low around 42, with temperatures rising to around 45 overnight. Northwest wind 18 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
A slight chance of rain showers between 7am and 10am. Mostly cloudy. High near 50, with temperatures falling to around 48 in the afternoon. North northwest wind 18 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Widespread frost after midnight. Mostly clear. Low around 30, with temperatures rising to around 32 overnight. Northwest wind 1 to 15 mph, with gusts as high as 24 mph.
Widespread frost before 9am. Sunny, with a high near 57. Southwest wind 1 to 14 mph, with gusts as high as 18 mph.
Clear, with a low around 39.
Sunny, with a high near 64.
Mostly clear, with a low around 43.
Mostly sunny, with a high near 66.
Partly cloudy, with a low around 45.
Mostly sunny, with a high near 70.
Mostly clear, with a low around 50.
Sunny, with a high near 73.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 54.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 15
|
Rain Showers
|
59°F |
6 to 18 mph
NW
|
|
Tonight
Oct 15
|
Rain Showers Likely then Mostly Cloudy
|
42°F |
18 to 22 mph
NW
|
|
Friday
Oct 16
|
Slight Chance Rain Showers then Mostly Cloudy
|
50°F |
18 to 28 mph
NNW
|
|
Friday Night
Oct 16
|
Mostly Clear then Widespread Frost
|
30°F |
1 to 15 mph
NW
|
|
Saturday
Oct 17
|
Widespread Frost then Sunny
|
57°F |
1 to 14 mph
SW
|
|
Saturday Night
Oct 17
|
Clear
|
39°F |
9 to 13 mph
SSW
|
|
Sunday
Oct 18
|
Sunny
|
64°F |
14 to 18 mph
SSW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
43°F |
6 to 13 mph
S
|
|
Monday
Oct 19
|
Mostly Sunny
|
66°F |
7 mph
S
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
45°F |
5 mph
SSE
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
70°F |
2 to 8 mph
SSE
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
50°F |
7 mph
SE
|
|
Wednesday
Oct 21
|
Sunny
|
73°F |
6 to 12 mph
SSE
|
|
Wednesday Night
Oct 21
|
Partly Cloudy then Slight Chance Rain Showers
|
54°F |
9 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grundy Center.
