Keystone, 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 Keystone, IA in one place.
A chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms between 9am and 2pm. Partly sunny, with a high near 80. Southeast wind 10 to 15 mph. Chance of precipitation is 40%.
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: May 30, 2026 3:58 PM CDT.
The active forecast window currently covers May 31 to Jun 5, 2026 for Keystone, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 31 to Jun 5, 2026
- Latest sync
- May 30, 2026 3:58 PM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Keystone
Thursday looks like the warmest upcoming period in Keystone at 86 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Sunday at about 10 to 15 mph SE.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- May 30, 2026 3:58 PM 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
A slight chance of showers and thunderstorms between 7pm and 8pm, then a chance of showers and thunderstorms between 8pm and 9pm, then a slight chance of showers and thunderstorms between 11pm and midnight, then a chance of showers and thunderstorms between midnight and 1am, then a slight chance of showers and thunderstorms between 2am and 3am, then a chance of showers and thunderstorms between 3am and 4am, then a slight chance of showers and thunderstorms between 4am and 5am. Partly cloudy, with a low around 59. East wind 5 to 10 mph. Chance of precipitation is 50%.
A slight chance of showers and thunderstorms. Partly sunny, with a high near 82.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 55.
Sunny, with a high near 82.
Mostly clear, with a low around 53.
Sunny, with a high near 85.
Partly cloudy, with a low around 57.
A chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
May 31
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
80°F |
10 to 15 mph
SE
|
|
Sunday Night
May 31
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
59°F |
5 to 10 mph
E
|
|
Monday
Jun 1
|
Slight Chance Showers And Thunderstorms
|
82°F |
5 mph
E
|
|
Monday Night
Jun 1
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
55°F |
5 mph
E
|
|
Tuesday
Jun 2
|
Sunny
|
82°F |
5 to 10 mph
E
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
53°F |
5 mph
SE
|
|
Wednesday
Jun 3
|
Sunny
|
85°F |
5 to 10 mph
SE
|
|
Wednesday Night
Jun 3
|
Partly Cloudy
|
57°F |
5 to 10 mph
S
|
|
Thursday
Jun 4
|
Chance Showers And Thunderstorms
|
86°F |
10 to 15 mph
S
|
|
Thursday Night
Jun 4
|
Chance Showers And Thunderstorms
|
61°F |
10 mph
S
|
|
Friday
Jun 5
|
Chance Showers And Thunderstorms
|
86°F |
10 mph
SW
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
61°F |
5 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Keystone.