Mount Vernon, IA Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Mount Vernon, IA in one place.
A slight chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 85. Northeast wind around 5 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Mount Vernon, 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 10, 2026 2:33 PM CDT.
The active forecast window currently covers Jul 10 to Jul 16, 2026 for Mount Vernon, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 10 to Jul 16, 2026
- Latest sync
- Jul 10, 2026 2:33 PM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Mount Vernon
Wednesday looks like the warmest upcoming period in Mount Vernon at 92 degrees F.
Saturday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for This Afternoon at about 5 mph NE.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 10, 2026 2:33 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KDVN
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 before 8pm. Partly cloudy, with a low around 66. Northeast wind 0 to 5 mph. Chance of precipitation is 20%.
Sunny, with a high near 86. East wind 0 to 5 mph.
Mostly clear, with a low around 64. East wind 0 to 5 mph.
Sunny, with a high near 87.
Clear, with a low around 66.
Sunny, with a high near 89.
Clear, with a low around 67.
Sunny, with a high near 91.
Clear, with a low around 69.
Sunny, with a high near 92.
Mostly clear, with a low around 70.
Sunny, with a high near 91.
Mostly clear, with a low around 71.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Jul 10
|
Slight Chance Showers And Thunderstorms
|
85°F |
5 mph
NE
|
|
Tonight
Jul 10
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
66°F |
0 to 5 mph
NE
|
|
Saturday
Jul 11
|
Sunny
|
86°F |
0 to 5 mph
E
|
|
Saturday Night
Jul 11
|
Mostly Clear
|
64°F |
0 to 5 mph
E
|
|
Sunday
Jul 12
|
Sunny
|
87°F |
0 to 5 mph
E
|
|
Sunday Night
Jul 12
|
Clear
|
66°F |
0 to 5 mph
SE
|
|
Monday
Jul 13
|
Sunny
|
89°F |
0 to 5 mph
SE
|
|
Monday Night
Jul 13
|
Clear
|
67°F |
0 to 5 mph
S
|
|
Tuesday
Jul 14
|
Sunny
|
91°F |
0 to 5 mph
SW
|
|
Tuesday Night
Jul 14
|
Clear
|
69°F |
0 to 5 mph
SW
|
|
Wednesday
Jul 15
|
Sunny
|
92°F |
0 to 5 mph
W
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
70°F |
0 to 5 mph
S
|
|
Thursday
Jul 16
|
Sunny
|
91°F |
0 to 5 mph
SW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
71°F |
5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mount Vernon.