Mount Vernon, IA Weather Forecast

Local 7-day forecast

87°
F

Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Mount Vernon, IA in one place.

Tuesday, May 26, 2026
Wind: 5 mph S
Tuesday

Sunny, with a high near 87. South wind around 5 mph.

Local 7-day forecast

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: May 26, 2026 12:22 AM CDT.

The active forecast window currently covers May 26 to Jun 1, 2026 for Mount Vernon, IA.

Page Snapshot

Page focus
city weather
Forecast window
May 26 to Jun 1, 2026
Latest sync
May 26, 2026 12:22 AM CDT
Forecast office
DVN
Source
NOAA / NWS
Next High
87°F
Tuesday
Next Low
60°F
Tuesday Night
Rain Outlook
0
Periods mentioning precipitation
Windiest
5 to 10 mph
Wednesday Night

Daily Outlook

Today
May 26
Sunny
87 °F
/ 60°F
Wind 5 mph
Wed
May 27
Sunny
86 °F
/ 60°F
Wind 0 to 5 mph
Thu
May 28
Sunny
83 °F
/ 57°F
Wind 10 mph
Fri
May 29
Mostly Sunny
82 °F
/ 56°F
Wind 5 to 10 mph
Sat
May 30
Mostly Sunny
80 °F
/ 54°F
Wind 5 to 10 mph
Sun
May 31
Sunny
81 °F
/ 54°F
Wind 5 to 10 mph
Mon
Jun 1
Sunny
83 °F
Wind 5 mph

This Week in Mount Vernon

Tuesday looks like the warmest upcoming period in Mount Vernon at 87 degrees F.

Saturday Night is the coolest period ahead with temperatures near 54 degrees F.

The strongest winds are forecast for Wednesday Night at about 5 to 10 mph NE.

The forecast from May 26 through Jun 1 stays mostly dry.

Forecast Details

Last updated
May 26, 2026 12:22 AM 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 source

Extended Forecast

Tuesday Night
May 26
60°F
Partly Cloudy
0 to 5 mph S

Partly cloudy, with a low around 60. South wind 0 to 5 mph.

Wednesday
May 27
86°F
Sunny
0 to 5 mph NE

Sunny, with a high near 86. Northeast wind 0 to 5 mph.

Wednesday Night
May 27
60°F
Mostly Clear
5 to 10 mph NE

Mostly clear, with a low around 60.

Thursday
May 28
83°F
Sunny
10 mph E

Sunny, with a high near 83.

Thursday Night
May 28
57°F
Partly Cloudy
5 to 10 mph E

Partly cloudy, with a low around 57.

Friday
May 29
82°F
Mostly Sunny
5 to 10 mph E

Mostly sunny, with a high near 82.

Friday Night
May 29
56°F
Partly Cloudy
5 to 10 mph E

Partly cloudy, with a low around 56.

Saturday
May 30
80°F
Mostly Sunny
5 to 10 mph E

Mostly sunny, with a high near 80.

Saturday Night
May 30
54°F
Partly Cloudy
5 to 10 mph E

Partly cloudy, with a low around 54.

Sunday
May 31
81°F
Sunny
5 to 10 mph E

Sunny, with a high near 81.

Sunday Night
May 31
54°F
Mostly Clear
0 to 10 mph E

Mostly clear, with a low around 54.

Monday
Jun 1
83°F
Sunny
5 mph NE

Sunny, with a high near 83.

Detailed Forecast

Period Conditions Temp Wind
Tuesday
May 26
Sunny
87°F
5 mph
S
Tuesday Night
May 26
Partly Cloudy
60°F
0 to 5 mph
S
Wednesday
May 27
Sunny
86°F
0 to 5 mph
NE
Wednesday Night
May 27
Mostly Clear
60°F
5 to 10 mph
NE
Thursday
May 28
Sunny
83°F
10 mph
E
Thursday Night
May 28
Partly Cloudy
57°F
5 to 10 mph
E
Friday
May 29
Mostly Sunny
82°F
5 to 10 mph
E
Friday Night
May 29
Partly Cloudy
56°F
5 to 10 mph
E
Saturday
May 30
Mostly Sunny
80°F
5 to 10 mph
E
Saturday Night
May 30
Partly Cloudy
54°F
5 to 10 mph
E
Sunday
May 31
Sunny
81°F
5 to 10 mph
E
Sunday Night
May 31
Mostly Clear
54°F
0 to 10 mph
E
Monday
Jun 1
Sunny
83°F
5 mph
NE
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Mount-Vernon-Commercial-2 image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.