Mount Vernon, MO Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Mount Vernon, MO in one place.
Showers and thunderstorms before 4pm, then scattered showers and thunderstorms. Mostly cloudy, with a high near 81. Southeast wind 3 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Local Weather Overview
This forecast page for Mount Vernon, MO 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 13, 2026 10:48 PM CDT.
The active forecast window currently covers Oct 14 to Oct 20, 2026 for Mount Vernon, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 14 to Oct 20, 2026
- Latest sync
- Oct 13, 2026 10:48 PM CDT
- Forecast office
- SGF
- Source
- NOAA / NWS
Daily Outlook
This Week in Mount Vernon
Thursday looks like the warmest upcoming period in Mount Vernon at 82 degrees F.
Friday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Friday at about 14 to 18 mph N.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 10:48 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- SGF
- Radar station
- KSGF
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Scattered showers and thunderstorms before 11pm, then a chance of showers and thunderstorms between 11pm and midnight, then a chance of showers and thunderstorms between midnight and 3am, then showers and thunderstorms likely between 3am and 5am, then a chance of showers and thunderstorms. Partly cloudy. Low around 67, with temperatures rising to around 69 overnight. Southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Mostly sunny, with a high near 82. Southwest wind 5 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely. Mostly cloudy, with a low around 49. Northwest wind 8 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of rain showers before 7am. Mostly sunny, with a high near 60. Chance of precipitation is 30%.
Mostly clear, with a low around 37.
Patchy frost before 7am. Sunny, with a high near 64.
Mostly clear, with a low around 42.
Sunny, with a high near 71.
Partly cloudy, with a low around 50.
Mostly sunny, with a high near 75.
Mostly clear, with a low around 54.
Sunny, with a high near 81.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Oct 14
|
Showers And Thunderstorms
|
81°F |
3 to 7 mph
SE
|
|
Wednesday Night
Oct 14
|
Chance Showers And Thunderstorms
|
67°F |
5 mph
SE
|
|
Thursday
Oct 15
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
82°F |
5 to 12 mph
SW
|
|
Thursday Night
Oct 15
|
Showers And Thunderstorms Likely
|
49°F |
8 to 16 mph
NW
|
|
Friday
Oct 16
|
Chance Rain Showers then Mostly Sunny
|
60°F |
14 to 18 mph
N
|
|
Friday Night
Oct 16
|
Mostly Clear
|
37°F |
1 to 12 mph
NE
|
|
Saturday
Oct 17
|
Patchy Frost then Sunny
|
64°F |
1 to 5 mph
E
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
42°F |
1 to 5 mph
SE
|
|
Sunday
Oct 18
|
Sunny
|
71°F |
5 to 8 mph
S
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
50°F |
5 mph
S
|
|
Monday
Oct 19
|
Mostly Sunny
|
75°F |
7 mph
S
|
|
Monday Night
Oct 19
|
Mostly Clear
|
54°F |
3 mph
S
|
|
Tuesday
Oct 20
|
Sunny
|
81°F |
3 to 7 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mount Vernon.
