Keystone, IA Weather Forecast
Local 7-day forecast
Patchy Fog then Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Keystone, IA in one place.
Patchy fog before 9am. Sunny, with a high near 91. North wind around 0 mph.
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: Jul 14, 2026 5:48 PM CDT.
The active forecast window currently covers Jul 15 to Jul 20, 2026 for Keystone, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 5:48 PM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Keystone
Thursday looks like the warmest upcoming period in Keystone at 93 degrees F.
Monday Night is the coolest period ahead with temperatures near 67 degrees F.
The strongest winds are forecast for Saturday at about 5 to 10 mph W.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 5:48 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
Partly cloudy, with a low around 70. South wind around 0 mph.
Sunny, with a high near 93.
Mostly clear, with a low around 71.
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 71. Chance of precipitation is 30%.
Sunny, with a high near 93.
Mostly clear, with a low around 69.
Sunny, with a high near 92.
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 70.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 92.
Mostly clear, with a low around 67.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Patchy Fog then Sunny
|
91°F |
0 mph
|
|
Wednesday Night
Jul 15
|
Partly Cloudy
|
70°F |
0 mph
|
|
Thursday
Jul 16
|
Sunny
|
93°F |
0 to 5 mph
SW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
71°F |
0 mph
|
|
Friday
Jul 17
|
Sunny then Chance Showers And Thunderstorms
|
93°F |
0 to 5 mph
SW
|
|
Friday Night
Jul 17
|
Chance Showers And Thunderstorms then Mostly Clear
|
71°F |
5 mph
SW
|
|
Saturday
Jul 18
|
Sunny
|
93°F |
5 to 10 mph
W
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
69°F |
5 mph
N
|
|
Sunday
Jul 19
|
Sunny
|
92°F |
5 mph
SE
|
|
Sunday Night
Jul 19
|
Mostly Clear then Slight Chance Showers And Thunderstorms
|
70°F |
5 mph
S
|
|
Monday
Jul 20
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
92°F |
5 to 10 mph
W
|
|
Monday Night
Jul 20
|
Mostly Clear
|
67°F |
5 to 10 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Keystone.