Keystone, IA Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Keystone, IA in one place.
A slight chance of rain showers between 7am and 1pm. Mostly sunny, with a high near 74. West wind 5 to 10 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Keystone, 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: Apr 15, 2026 2:26 AM CDT.
The active forecast window currently covers Apr 16 to Apr 21, 2026 for Keystone, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 16 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 2:26 AM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Keystone
Friday looks like the warmest upcoming period in Keystone at 77 degrees F.
Saturday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Friday at about 10 to 20 mph S.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 2:26 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KDMX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 55.
Showers and thunderstorms likely between 1pm and 4pm, then showers and thunderstorms likely. Partly sunny, with a high near 77. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 37. Chance of precipitation is 70%.
A chance of showers and thunderstorms. Mostly sunny, with a high near 49. Chance of precipitation is 40%.
A slight chance of rain showers before 7pm. Mostly clear, with a low around 30.
Sunny, with a high near 53.
Mostly clear, with a low around 33.
Sunny, with a high near 67.
Mostly clear, with a low around 47.
Sunny, with a high near 71.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 16
|
Slight Chance Rain Showers
|
74°F |
5 to 10 mph
W
|
|
Thursday Night
Apr 16
|
Mostly Clear
|
55°F |
5 to 10 mph
S
|
|
Friday
Apr 17
|
Partly Sunny then Showers And Thunderstorms Likely
|
77°F |
10 to 20 mph
S
|
|
Friday Night
Apr 17
|
Showers And Thunderstorms Likely
|
37°F |
15 mph
SW
|
|
Saturday
Apr 18
|
Chance Showers And Thunderstorms
|
49°F |
15 to 20 mph
NW
|
|
Saturday Night
Apr 18
|
Slight Chance Rain Showers then Mostly Clear
|
30°F |
10 to 15 mph
NW
|
|
Sunday
Apr 19
|
Sunny
|
53°F |
10 to 15 mph
NW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
33°F |
5 to 10 mph
S
|
|
Monday
Apr 20
|
Sunny
|
67°F |
5 to 15 mph
S
|
|
Monday Night
Apr 20
|
Mostly Clear
|
47°F |
15 mph
S
|
|
Tuesday
Apr 21
|
Sunny
|
71°F |
10 to 15 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Keystone.