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Current weather in Mount Vernon is clear sky.

Where can I find the hourly weather forecast for Mount Vernon?

This page shows hourly weather forecast for Mount Vernon, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Mount Vernon updated regularly?

Weather data for Mount Vernon is updated regularly with the latest available observations and forecasts.

Now · 12:53 PM

Mount Vernon Weather & Hourly Forecast

United States · Missouri · 65712

92°F

Sunny

Feels like: 95°F

💧 Humidity 46% 🌡 Pressure 29.97 inHg 💨 Wind 8 mph 👁 Visibility 26.1 mi ☁ Clouds 2% ☀️ UV index 6.7 · High 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Mount Vernon

Today

1:00 PM

Sunny

92° 💧 0.000 in 💨 8 mph H 46%29.97 inHg

4:00 PM

Sunny

95° 💧 0.000 in 💨 6 mph H 37%29.91 inHg

7:00 PM

Sunny

92° 💧 None 💨 8 mph H 40%29.91 inHg

10:00 PM

Clear night

84° 💧 None 💨 11 mph H 54%30.00 inHg

Tomorrow

1:00 AM

Clear night

81° 💧 None 💨 12 mph H 56%30.00 inHg

4:00 AM

Clear night

77° 💧 None 💨 13 mph H 61%30.03 inHg

7:00 AM

Sunny

75° 💧 None 💨 11 mph H 62%30.06 inHg

10:00 AM

Sunny

85° 💧 None 💨 9 mph H 48%30.06 inHg

1:00 PM

Sunny

95° 💧 0.000 in 💨 7 mph H 38%30.03 inHg

4:00 PM

Sunny

98° 💧 0.000 in 💨 7 mph H 35%29.97 inHg

7:00 PM

Sunny

93° 💧 None 💨 9 mph H 38%29.97 inHg

10:00 PM

Clear night

87° 💧 None 💨 11 mph H 44%30.03 inHg

Wednesday

1:00 AM

Clear night

83° 💧 None 💨 10 mph H 52%30.03 inHg

4:00 AM

Clear night

82° 💧 None 💨 10 mph H 53%30.03 inHg

7:00 AM

Sunny

81° 💧 None 💨 10 mph H 57%30.06 inHg

10:00 AM

Sunny

89° 💧 0.000 in 💨 12 mph H 52%30.06 inHg

Today

1:00 PM

Sunny

92° 💧 0.000 in 💨 8 mph H 46%29.97 inHg

2:00 PM

Strong thunderstorm

94° 💧 None 💨 6 mph H 42%29.97 inHg

3:00 PM

Strong thunderstorm

95° 💧 0.000 in 💨 6 mph H 39%29.94 inHg

4:00 PM

Sunny

95° 💧 None 💨 6 mph H 37%29.91 inHg

5:00 PM

Sunny

95° 💧 None 💨 6 mph H 37%29.91 inHg

6:00 PM

Sunny

94° 💧 0.000 in 💨 7 mph H 37%29.91 inHg

7:00 PM

Sunny

92° 💧 None 💨 8 mph H 40%29.91 inHg

8:00 PM

Clear night

88° 💧 None 💨 10 mph H 45%29.94 inHg

9:00 PM

Clear night

86° 💧 None 💨 10 mph H 50%29.97 inHg

10:00 PM

Clear night

84° 💧 None 💨 11 mph H 54%30.00 inHg

11:00 PM

Clear night

83° 💧 None 💨 12 mph H 53%30.00 inHg

Tomorrow

12:00 AM

Clear night

82° 💧 None 💨 12 mph H 54%30.00 inHg

1:00 AM

Clear night

81° 💧 None 💨 12 mph H 56%30.00 inHg

2:00 AM

Clear night

79° 💧 None 💨 12 mph H 58%30.00 inHg

3:00 AM

Clear night

78° 💧 None 💨 12 mph H 60%30.00 inHg

4:00 AM

Clear night

77° 💧 None 💨 13 mph H 61%30.03 inHg

5:00 AM

Clear night

76° 💧 None 💨 12 mph H 61%30.03 inHg

6:00 AM

Clear night

75° 💧 None 💨 11 mph H 61%30.06 inHg

7:00 AM

Sunny

75° 💧 None 💨 11 mph H 62%30.06 inHg

8:00 AM

Sunny

76° 💧 None 💨 10 mph H 60%30.06 inHg

9:00 AM

Sunny

80° 💧 None 💨 10 mph H 54%30.06 inHg

10:00 AM

Sunny

85° 💧 None 💨 9 mph H 48%30.06 inHg

11:00 AM

Sunny

90° 💧 None 💨 9 mph H 44%30.06 inHg

12:00 PM

Mostly sunny

93° 💧 None 💨 8 mph H 41%30.03 inHg

1:00 PM

Sunny

95° 💧 0.000 in 💨 7 mph H 38%30.03 inHg

2:00 PM

Sunny

97° 💧 None 💨 6 mph H 36%30.00 inHg

3:00 PM

Mostly sunny

98° 💧 None 💨 6 mph H 35%29.97 inHg

4:00 PM

Sunny

98° 💧 0.000 in 💨 7 mph H 35%29.97 inHg

5:00 PM

Sunny

97° 💧 None 💨 8 mph H 35%29.94 inHg

6:00 PM

Sunny

95° 💧 None 💨 9 mph H 35%29.94 inHg

7:00 PM

Sunny

93° 💧 None 💨 9 mph H 38%29.97 inHg

8:00 PM

Clear night

90° 💧 None 💨 10 mph H 43%29.97 inHg

9:00 PM

Clear night

89° 💧 None 💨 10 mph H 43%30.00 inHg

10:00 PM

Clear night

87° 💧 None 💨 11 mph H 44%30.03 inHg

11:00 PM

Clear night

85° 💧 None 💨 10 mph H 48%30.03 inHg

Wednesday

12:00 AM

Clear night

84° 💧 None 💨 10 mph H 52%30.03 inHg

1:00 AM

Clear night

83° 💧 None 💨 10 mph H 52%30.03 inHg

2:00 AM

Clear night

83° 💧 None 💨 11 mph H 52%30.03 inHg

3:00 AM

Clear night

82° 💧 None 💨 10 mph H 52%30.03 inHg

4:00 AM

Clear night

82° 💧 None 💨 10 mph H 53%30.03 inHg

5:00 AM

Clear night

82° 💧 None 💨 10 mph H 53%30.03 inHg

6:00 AM

Clear night

81° 💧 None 💨 10 mph H 54%30.06 inHg

7:00 AM

Sunny

81° 💧 None 💨 10 mph H 57%30.06 inHg

8:00 AM

Sunny

82° 💧 None 💨 10 mph H 58%30.06 inHg

9:00 AM

Sunny

86° 💧 None 💨 10 mph H 55%30.06 inHg

10:00 AM

Sunny

89° 💧 None 💨 12 mph H 52%30.06 inHg

11:00 AM

Sunny

92° 💧 None 💨 12 mph H 47%30.06 inHg

12:00 PM

Sunny

94° 💧 0.000 in 💨 12 mph H 42%30.06 inHg

1:00 PM

Sunny

96° 💧 0.000 in 💨 11 mph H 40%30.03 inHg

2:00 PM

Mostly sunny

97° 💧 0.001 in 💨 10 mph H 38%30.00 inHg

3:00 PM

Mostly sunny

98° 💧 0.001 in 💨 10 mph H 37%29.97 inHg

4:00 PM

Partly cloudy

98° 💧 0.001 in 💨 9 mph H 36%29.94 inHg

5:00 PM

Light rain

93° 💧 0.020 in 💨 11 mph H 45%29.94 inHg

6:00 PM

Light thunderstorms

90° 💧 0.044 in 💨 7 mph H 61%29.94 inHg

7:00 PM

Light thunderstorms

84° 💧 0.012 in 💨 2 mph H 70%29.97 inHg

Thursday

4:00 AM

Overcast night

75° 💧 None 💨 1 mph H 90%30.00 inHg

7:00 AM

Mostly cloudy

75° 💧 None 💨 6 mph H 84%30.00 inHg

10:00 AM

Light rain

81° 💧 None 💨 7 mph H 69%30.03 inHg

1:00 PM

Moderate rain

77° 💧 None 💨 5 mph H 88%30.03 inHg

4:00 PM

Overcast

79° 💧 None 💨 1 mph H 82%29.97 inHg

7:00 PM

Overcast

79° 💧 None 💨 0 mph H 79%29.91 inHg

10:00 PM

Mostly cloudy night

75° 💧 None 💨 4 mph H 94%29.94 inHg

Friday

1:00 AM

Mostly cloudy night

73° 💧 None 💨 5 mph H 98%29.94 inHg

4:00 AM

Overcast night

72° 💧 None 💨 5 mph H 99%29.94 inHg

7:00 AM

Overcast

71° 💧 None 💨 7 mph H 99%29.94 inHg

10:00 AM

Overcast

77° 💧 None 💨 8 mph H 81%29.91 inHg

1:00 PM

Overcast

85° 💧 None 💨 8 mph H 59%29.88 inHg

4:00 PM

Light thunderstorms

84° 💧 None 💨 9 mph H 63%29.83 inHg

7:00 PM

Light rain

71° 💧 None 💨 16 mph H 94%29.85 inHg

10:00 PM

Clear night

73° 💧 None 💨 10 mph H 93%29.85 inHg

Saturday

1:00 AM

Mostly cloudy night

73° 💧 None 💨 11 mph H 94%29.85 inHg

4:00 AM

Mostly clear night

74° 💧 None 💨 9 mph H 85%29.85 inHg

7:00 AM

Light rain

73° 💧 None 💨 7 mph H 89%29.91 inHg

10:00 AM

Mostly cloudy

74° 💧 None 💨 3 mph H 92%29.97 inHg

1:00 PM

Mostly sunny

82° 💧 None 💨 4 mph H 73%29.97 inHg

4:00 PM

Sunny

84° 💧 None 💨 7 mph H 64%29.94 inHg

7:00 PM

Sunny

80° 💧 None 💨 6 mph H 73%29.94 inHg

10:00 PM

Clear night

75° 💧 None 💨 8 mph H 82%30.03 inHg

Sunday

1:00 AM

Overcast night

72° 💧 None 💨 6 mph H 89%30.06 inHg

7:00 AM

Mostly sunny

75° 💧 None 💨 6 mph H 92%30.00 inHg

1:00 PM

Sunny

72° 💧 None 💨 7 mph H 97%30.03 inHg

7:00 PM

Mostly sunny

89° 💧 None 💨 6 mph H 59%30.03 inHg

Monday

1:00 AM

Clear night

85° 💧 None 💨 2 mph H 75%29.94 inHg

7:00 AM

Mostly sunny

79° 💧 None 💨 10 mph H 78%30.00 inHg

1:00 PM

Sunny

77° 💧 None 💨 10 mph H 78%30.00 inHg

7:00 PM

Sunny

89° 💧 None 💨 12 mph H 59%29.94 inHg

Tuesday

1:00 AM

Clear night

86° 💧 None 💨 8 mph H 60%29.88 inHg

7:00 AM

Sunny

80° 💧 None 💨 7 mph H 72%29.97 inHg

1:00 PM

Light rain

72° 💧 None 💨 9 mph H 98%30.09 inHg

7:00 PM

Mostly sunny

80° 💧 None 💨 10 mph H 50%30.15 inHg

Wednesday

1:00 AM

Clear night

76° 💧 None 💨 9 mph H 45%30.15 inHg

7:00 AM

Sunny

69° 💧 None 💨 9 mph H 57%30.24 inHg

1:00 PM

Mostly sunny

64° 💧 None 💨 10 mph H 73%30.30 inHg

7:00 PM

Sunny

77° 💧 None 💨 10 mph H 46%30.30 inHg

Thursday

1:00 AM

Clear night

75° 💧 None 💨 11 mph H 42%30.24 inHg

7:00 AM

Sunny

66° 💧 None 💨 11 mph H 62%30.33 inHg

1:00 PM

Mostly sunny

60° 💧 None 💨 7 mph H 71%30.33 inHg

7:00 PM

Sunny

78° 💧 None 💨 9 mph H 39%30.30 inHg

Friday

1:00 AM

Clear night

75° 💧 None 💨 9 mph H 39%30.24 inHg

7:00 AM

Partly cloudy

67° 💧 None 💨 8 mph H 52%30.30 inHg

1:00 PM

Partly cloudy

63° 💧 None 💨 6 mph H 71%30.30 inHg

7:00 PM

Mostly cloudy

76° 💧 None 💨 4 mph H 41%30.27 inHg

Saturday

1:00 AM

Partly cloudy night

75° 💧 None 💨 6 mph H 43%30.15 inHg

7:00 AM

Overcast

66° 💧 None 💨 10 mph H 54%30.18 inHg

1:00 PM

Moderate rain

62° 💧 None 💨 4 mph H 87%30.21 inHg

7:00 PM

Overcast

74° 💧 None 💨 3 mph H 46%30.18 inHg

Sunday

1:00 AM

Mostly cloudy night

73° 💧 None 💨 1 mph H 56%30.06 inHg

7:00 AM

Partly cloudy night

65° 💧 None 💨 5 mph H 65%30.06 inHg

1:00 PM

Overcast

66° 💧 None 💨 9 mph H 61%30.03 inHg

7:00 PM

Overcast

76° 💧 None 💨 6 mph H 44%30.03 inHg

Monday

1:00 AM

Overcast night

71° 💧 None 💨 10 mph H 57%29.94 inHg

7:00 AM

Moderate rain

65° 💧 None 💨 9 mph H 88%29.97 inHg

1:00 PM

Moderate rain

63° 💧 None 💨 9 mph H 92%29.97 inHg

7:00 PM

Light rain

65° 💧 None 💨 8 mph H 95%30.00 inHg

Tuesday

1:00 AM

Overcast night

66° 💧 None 💨 4 mph H 96%29.94 inHg

In Mount Vernon and, more broadly, across the state of Missouri: The rest of the day will be mostly sunny with just a few clouds passing through. Temperatures are expected to remain hot, ranging from around 80 to 88 degrees Fahrenheit. Winds will be moderate, coming from the east at speeds up to 10 mph, with gusts reaching as high as 27 mph. No precipitation is expected, so outdoor activities can continue without concern for rain. As the afternoon progresses, expect the warmth to persist, with breezy conditions continuing to provide some relief from the heat. Overall, it looks like a warm and mostly clear day ahead.

15-Day Weather Outlook for Mount Vernon

TomorrowTomorrow

Mostly sunny 98°/75° 💧 None 💨 13 mph

Wednesday, Sep 9Wed Sep 9

Light thunderstorms 98°/81° 💧 None 💨 12 mph

Thursday, Sep 10Thu Sep 10

Light thunderstorms 84°/75° 💧 0.349 in 💨 7 mph

Friday, Sep 11Fri Sep 11

Light thunderstorms 85°/71° 💧 0.036 in 💨 9 mph

Saturday, Sep 12Sat Sep 12

Light rain 84°/71° 💧 0.439 in 💨 16 mph

Sunday, Sep 13Sun Sep 13

Overcast 80°/72° 💧 0.402 in 💨 8 mph

Monday, Sep 14Mon Sep 14

Mostly sunny 89°/77° 💧 0.028 in 💨 10 mph

Tuesday, Sep 15Tue Sep 15

Light rain 89°/72° 💧 0.053 in 💨 12 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 80°/64° 💧 0.005 in 💨 10 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 77°/60° 💧 None 💨 11 mph

Friday, Sep 18Fri Sep 18

Partly cloudy 78°/63° 💧 None 💨 9 mph

Saturday, Sep 19Sat Sep 19

Moderate rain 76°/62° 💧 0.085 in 💨 10 mph

Sunday, Sep 20Sun Sep 20

Overcast 74°/65° 💧 0.017 in 💨 9 mph

Monday, Sep 21Mon Sep 21

Moderate rain 76°/63° 💧 0.393 in 💨 10 mph

Tuesday, Sep 22Tue Sep 22

Light rain 66°/65° 💧 0.487 in 💨 8 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Mount Vernon

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Mount Vernon

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 1:00 PM

PM2.5 Fine particles Good 4,2µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 4,9µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 82,8µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 0,5µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Mount Vernon

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 7,1High 🙂Fair

Tomorrow UV 8,5Very high 🙂Fair

Wednesday UV 8,5Very high 🙂Fair

Thursday UV 5,9Moderate 🙂Fair

Friday UV 8,0Very high 😊Good

Saturday UV 8,0Very high —Unavailable

Sunday UV 9,0Very high —Unavailable

Hourly UV index today

1:00 PMUV 7,1 2:00 PMUV 6,9 3:00 PMUV 5,5 4:00 PMUV 3,3 5:00 PMUV 1,7 6:00 PMUV 0,7 7:00 PMUV 0,1

Today's weather health advice Open today's recommendations.

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

High heat

Stay hydrated and avoid intense exercise during the hottest part of the day.

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for Mount Vernon

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · MOUNT VERNON, MISSOURI

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 4:00 AM–5:00 AM.

99/100Best-hour score

BEST TIME TONIGHT 4:00 AM–5:00 AM Astronomical darkness: 9:04 PM–5:22 AM

☁ Cloud cover 1% Real hourly forecast for the best viewing hour.

☾ Moonlight 13% Waning Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 75° high at the best hour.

✦ Estimated visible meteors 2–5/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min80%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for Mount Vernon were last refreshed today at 12:53 PM. The current forecast period extends through 09/09/2026 at 10:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.