Mount Vernon, IA Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely then Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Mount Vernon, IA in one place.
A chance of rain showers before 7am, then showers and thunderstorms likely between 7am and 11am, then a slight chance of showers and thunderstorms between 11am and noon. Partly sunny, with a high near 77. Southeast wind 5 to 10 mph. Chance of precipitation is 70%.
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: Oct 8, 2026 6:44 PM CDT.
The active forecast window currently covers Oct 9 to Oct 14, 2026 for Mount Vernon, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 9 to Oct 14, 2026
- Latest sync
- Oct 8, 2026 6:44 PM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Mount Vernon
Saturday looks like the warmest upcoming period in Mount Vernon at 83 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Friday at about 5 to 10 mph SE.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 8, 2026 6:44 PM CDT
- Coverage
- 6 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
Clear, with a low around 61. South wind 5 to 10 mph.
Sunny, with a high near 83.
Partly cloudy, with a low around 58.
Sunny, with a high near 79.
Mostly clear, with a low around 60.
Mostly sunny, with a high near 81.
Mostly clear, with a low around 58.
Mostly sunny, with a high near 71.
A chance of rain showers after 1am. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Rain showers likely. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
Rain showers likely. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 9
|
Showers And Thunderstorms Likely then Partly Sunny
|
77°F |
5 to 10 mph
SE
|
|
Friday Night
Oct 9
|
Clear
|
61°F |
5 to 10 mph
S
|
|
Saturday
Oct 10
|
Sunny
|
83°F |
5 to 10 mph
S
|
|
Saturday Night
Oct 10
|
Partly Cloudy
|
58°F |
5 to 10 mph
S
|
|
Sunday
Oct 11
|
Sunny
|
79°F |
5 mph
S
|
|
Sunday Night
Oct 11
|
Mostly Clear
|
60°F |
5 mph
S
|
|
Columbus Day
Oct 12
|
Mostly Sunny
|
81°F |
5 to 10 mph
SW
|
|
Monday Night
Oct 12
|
Mostly Clear
|
58°F |
5 to 10 mph
W
|
|
Tuesday
Oct 13
|
Mostly Sunny
|
71°F |
5 to 10 mph
N
|
|
Tuesday Night
Oct 13
|
Mostly Cloudy then Chance Rain Showers
|
52°F |
5 mph
NE
|
|
Wednesday
Oct 14
|
Rain Showers Likely
|
69°F |
5 to 10 mph
E
|
|
Wednesday Night
Oct 14
|
Rain Showers Likely
|
57°F |
10 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mount Vernon.
