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

Now · 8:30 AM

Vandalia Weather & Hourly Forecast

United States · Missouri · 63382

60°F

Mostly sunny

Feels like: 58°F

💧 Humidity 84% 🌡 Pressure 30.33 inHg 💨 Wind 6 mph 👁 Visibility 18.0 mi ☁ Clouds 13% ☀️ UV index 0.3 · Low 🌅 Sunrise 6:53 AM 🌇 Sunset 7:02 PM

Hourly Forecast for Vandalia

Today

9:00 AM

Mostly sunny

60° 💧 0.000 in 💨 6 mph H 84%30.33 inHg

12:00 PM

Mostly cloudy

68° 💧 0.001 in 💨 9 mph H 63%30.33 inHg

3:00 PM

Overcast

70° 💧 0.000 in 💨 8 mph H 57%30.27 inHg

6:00 PM

Partly cloudy

68° 💧 None 💨 9 mph H 63%30.24 inHg

9:00 PM

Clear night

62° 💧 None 💨 6 mph H 80%30.27 inHg

Tomorrow

12:00 AM

Clear night

59° 💧 None 💨 5 mph H 89%30.27 inHg

3:00 AM

Clear night

56° 💧 None 💨 4 mph H 94%30.27 inHg

6:00 AM

Clear night

55° 💧 None 💨 4 mph H 96%30.27 inHg

9:00 AM

Mostly cloudy

62° 💧 0.002 in 💨 5 mph H 85%30.30 inHg

12:00 PM

Overcast

67° 💧 0.002 in 💨 5 mph H 69%30.30 inHg

3:00 PM

Mostly cloudy

70° 💧 None 💨 5 mph H 61%30.24 inHg

6:00 PM

Partly cloudy

70° 💧 None 💨 6 mph H 63%30.21 inHg

9:00 PM

Clear night

63° 💧 None 💨 4 mph H 83%30.21 inHg

Friday

12:00 AM

Partly cloudy night

61° 💧 None 💨 4 mph H 87%30.21 inHg

3:00 AM

Mostly cloudy night

60° 💧 None 💨 4 mph H 92%30.21 inHg

6:00 AM

Partly cloudy night

59° 💧 None 💨 3 mph H 95%30.21 inHg

Today

9:00 AM

Mostly sunny

60° 💧 None 💨 6 mph H 84%30.33 inHg

10:00 AM

Partly cloudy

64° 💧 None 💨 8 mph H 75%30.33 inHg

11:00 AM

Partly cloudy

66° 💧 0.000 in 💨 9 mph H 69%30.33 inHg

12:00 PM

Mostly cloudy

68° 💧 None 💨 9 mph H 63%30.33 inHg

1:00 PM

Overcast

69° 💧 0.000 in 💨 9 mph H 57%30.30 inHg

2:00 PM

Overcast

70° 💧 0.000 in 💨 9 mph H 55%30.27 inHg

3:00 PM

Overcast

70° 💧 0.000 in 💨 8 mph H 57%30.27 inHg

4:00 PM

Overcast

70° 💧 None 💨 8 mph H 58%30.27 inHg

5:00 PM

Mostly cloudy

70° 💧 None 💨 9 mph H 60%30.24 inHg

6:00 PM

Partly cloudy

68° 💧 None 💨 9 mph H 63%30.24 inHg

7:00 PM

Sunny

65° 💧 None 💨 6 mph H 70%30.24 inHg

8:00 PM

Clear night

63° 💧 None 💨 5 mph H 77%30.27 inHg

9:00 PM

Clear night

62° 💧 None 💨 6 mph H 80%30.27 inHg

10:00 PM

Clear night

61° 💧 None 💨 5 mph H 83%30.27 inHg

11:00 PM

Mostly clear night

60° 💧 None 💨 5 mph H 86%30.27 inHg

Tomorrow

12:00 AM

Clear night

59° 💧 None 💨 5 mph H 89%30.27 inHg

1:00 AM

Mostly clear night

58° 💧 None 💨 5 mph H 90%30.27 inHg

2:00 AM

Mostly clear night

57° 💧 None 💨 5 mph H 92%30.27 inHg

3:00 AM

Clear night

56° 💧 None 💨 4 mph H 94%30.27 inHg

4:00 AM

Mostly clear night

56° 💧 None 💨 4 mph H 95%30.27 inHg

5:00 AM

Clear night

55° 💧 None 💨 4 mph H 95%30.27 inHg

6:00 AM

Clear night

55° 💧 None 💨 4 mph H 96%30.27 inHg

7:00 AM

Partly cloudy

55° 💧 None 💨 4 mph H 96%30.27 inHg

8:00 AM

Overcast

58° 💧 None 💨 5 mph H 93%30.30 inHg

9:00 AM

Mostly cloudy

62° 💧 None 💨 5 mph H 85%30.30 inHg

10:00 AM

Overcast

65° 💧 0.001 in 💨 5 mph H 74%30.30 inHg

11:00 AM

Overcast

67° 💧 0.002 in 💨 5 mph H 70%30.30 inHg

12:00 PM

Overcast

67° 💧 0.001 in 💨 5 mph H 69%30.30 inHg

1:00 PM

Overcast

69° 💧 0.001 in 💨 5 mph H 65%30.27 inHg

2:00 PM

Overcast

70° 💧 0.001 in 💨 5 mph H 62%30.24 inHg

3:00 PM

Mostly cloudy

70° 💧 None 💨 5 mph H 61%30.24 inHg

4:00 PM

Overcast

71° 💧 None 💨 5 mph H 59%30.21 inHg

5:00 PM

Partly cloudy

71° 💧 None 💨 6 mph H 60%30.21 inHg

6:00 PM

Partly cloudy

70° 💧 None 💨 6 mph H 63%30.21 inHg

7:00 PM

Partly cloudy

68° 💧 None 💨 4 mph H 70%30.21 inHg

8:00 PM

Partly cloudy night

65° 💧 None 💨 3 mph H 79%30.21 inHg

9:00 PM

Clear night

63° 💧 None 💨 4 mph H 83%30.21 inHg

10:00 PM

Clear night

62° 💧 None 💨 4 mph H 85%30.21 inHg

11:00 PM

Mostly clear night

61° 💧 None 💨 4 mph H 86%30.21 inHg

Friday

12:00 AM

Partly cloudy night

61° 💧 None 💨 4 mph H 87%30.21 inHg

1:00 AM

Mostly cloudy night

60° 💧 None 💨 3 mph H 89%30.21 inHg

2:00 AM

Partly cloudy night

60° 💧 None 💨 3 mph H 91%30.21 inHg

3:00 AM

Mostly cloudy night

60° 💧 None 💨 4 mph H 92%30.21 inHg

4:00 AM

Overcast night

59° 💧 None 💨 4 mph H 93%30.21 inHg

5:00 AM

Mostly clear night

59° 💧 None 💨 3 mph H 94%30.21 inHg

6:00 AM

Partly cloudy night

59° 💧 None 💨 3 mph H 95%30.21 inHg

7:00 AM

Overcast

58° 💧 None 💨 3 mph H 95%30.21 inHg

8:00 AM

Overcast

62° 💧 None 💨 5 mph H 90%30.24 inHg

9:00 AM

Light rain

64° 💧 0.005 in 💨 3 mph H 88%30.24 inHg

10:00 AM

Light rain

67° 💧 0.013 in 💨 4 mph H 85%30.24 inHg

11:00 AM

Light rain

67° 💧 0.005 in 💨 2 mph H 84%30.27 inHg

12:00 PM

Light rain

68° 💧 0.042 in 💨 3 mph H 84%30.24 inHg

1:00 PM

Light rain

67° 💧 0.042 in 💨 5 mph H 90%30.21 inHg

2:00 PM

Light rain

68° 💧 0.013 in 💨 5 mph H 86%30.21 inHg

3:00 PM

Mostly cloudy

70° 💧 0.001 in 💨 5 mph H 75%30.18 inHg

4:00 PM

Overcast

71° 💧 0.001 in 💨 5 mph H 69%30.18 inHg

5:00 PM

Overcast

70° 💧 0.003 in 💨 7 mph H 74%30.15 inHg

6:00 PM

Light rain

68° 💧 0.010 in 💨 7 mph H 83%30.15 inHg

7:00 PM

Partly cloudy night

66° 💧 0.002 in 💨 7 mph H 90%30.15 inHg

Saturday

4:00 AM

Overcast night

59° 💧 None 💨 7 mph H 87%30.12 inHg

7:00 AM

Overcast

58° 💧 None 💨 7 mph H 85%30.12 inHg

10:00 AM

Moderate rain

59° 💧 None 💨 6 mph H 90%30.15 inHg

1:00 PM

Moderate rain

60° 💧 None 💨 8 mph H 94%30.12 inHg

4:00 PM

Overcast

65° 💧 None 💨 9 mph H 81%30.06 inHg

7:00 PM

Overcast night

62° 💧 None 💨 9 mph H 86%30.03 inHg

10:00 PM

Mostly cloudy night

60° 💧 None 💨 9 mph H 83%30.06 inHg

Sunday

1:00 AM

Overcast night

59° 💧 None 💨 9 mph H 85%30.03 inHg

4:00 AM

Moderate rain

59° 💧 None 💨 6 mph H 87%30.03 inHg

7:00 AM

Overcast

58° 💧 None 💨 9 mph H 92%30.03 inHg

10:00 AM

Moderate rain

63° 💧 None 💨 9 mph H 84%30.03 inHg

1:00 PM

Overcast

67° 💧 None 💨 8 mph H 75%30.03 inHg

4:00 PM

Partly cloudy

69° 💧 None 💨 9 mph H 65%29.97 inHg

7:00 PM

Mostly clear night

65° 💧 None 💨 6 mph H 76%29.97 inHg

10:00 PM

Mostly clear night

61° 💧 None 💨 4 mph H 86%30.00 inHg

Monday

1:00 AM

Overcast night

60° 💧 None 💨 4 mph H 90%30.00 inHg

4:00 AM

Mostly clear night

60° 💧 None 💨 5 mph H 85%29.97 inHg

7:00 AM

Mostly sunny

58° 💧 None 💨 5 mph H 84%30.00 inHg

10:00 AM

Sunny

66° 💧 None 💨 7 mph H 71%30.00 inHg

1:00 PM

Sunny

73° 💧 None 💨 8 mph H 56%29.97 inHg

4:00 PM

Overcast

74° 💧 None 💨 7 mph H 52%29.91 inHg

7:00 PM

Clear night

67° 💧 None 💨 5 mph H 69%29.91 inHg

10:00 PM

Mostly cloudy night

63° 💧 None 💨 6 mph H 78%29.91 inHg

Tuesday

1:00 AM

Mostly clear night

61° 💧 None 💨 6 mph H 77%29.94 inHg

7:00 AM

Mostly cloudy

64° 💧 None 💨 9 mph H 71%29.83 inHg

1:00 PM

Light rain

62° 💧 None 💨 8 mph H 80%29.77 inHg

7:00 PM

Light rain

76° 💧 None 💨 5 mph H 78%29.71 inHg

Wednesday

1:00 AM

Moderate rain

67° 💧 None 💨 7 mph H 98%29.65 inHg

7:00 AM

Light rain

68° 💧 None 💨 6 mph H 97%29.56 inHg

1:00 PM

Overcast

62° 💧 None 💨 13 mph H 92%29.65 inHg

7:00 PM

Overcast night

65° 💧 None 💨 13 mph H 76%29.74 inHg

Thursday

1:00 AM

Overcast night

65° 💧 None 💨 9 mph H 73%29.71 inHg

7:00 AM

Overcast night

62° 💧 None 💨 9 mph H 75%29.77 inHg

1:00 PM

Sunny

54° 💧 None 💨 9 mph H 91%29.85 inHg

7:00 PM

Clear night

66° 💧 None 💨 13 mph H 52%29.88 inHg

Friday

1:00 AM

Clear night

62° 💧 None 💨 12 mph H 60%29.91 inHg

7:00 AM

Clear night

55° 💧 None 💨 9 mph H 80%30.00 inHg

1:00 PM

Sunny

49° 💧 None 💨 5 mph H 94%30.09 inHg

7:00 PM

Overcast night

62° 💧 None 💨 8 mph H 56%30.12 inHg

Saturday

1:00 AM

Mostly clear night

58° 💧 None 💨 4 mph H 75%30.09 inHg

7:00 AM

Mostly clear night

52° 💧 None 💨 1 mph H 89%30.15 inHg

1:00 PM

Mostly cloudy

48° 💧 None 💨 2 mph H 98%30.21 inHg

7:00 PM

Partly cloudy night

65° 💧 None 💨 2 mph H 50%30.21 inHg

Sunday

1:00 AM

Mostly cloudy night

61° 💧 None 💨 2 mph H 70%30.18 inHg

7:00 AM

Overcast night

56° 💧 None 💨 5 mph H 77%30.21 inHg

1:00 PM

Mostly sunny

53° 💧 None 💨 4 mph H 86%30.24 inHg

7:00 PM

Partly cloudy night

67° 💧 None 💨 9 mph H 65%30.21 inHg

Monday

1:00 AM

Partly cloudy night

64° 💧 None 💨 8 mph H 75%30.12 inHg

7:00 AM

Overcast night

60° 💧 None 💨 9 mph H 79%30.12 inHg

1:00 PM

Overcast

58° 💧 None 💨 9 mph H 83%30.12 inHg

7:00 PM

Clear night

75° 💧 None 💨 10 mph H 59%30.09 inHg

Tuesday

1:00 AM

Clear night

70° 💧 None 💨 9 mph H 72%30.03 inHg

7:00 AM

Clear night

66° 💧 None 💨 12 mph H 72%30.03 inHg

1:00 PM

Sunny

63° 💧 None 💨 10 mph H 79%30.03 inHg

7:00 PM

Clear night

78° 💧 None 💨 10 mph H 62%30.03 inHg

Wednesday

1:00 AM

Clear night

67° 💧 None 💨 10 mph H 60%30.06 inHg

7:00 AM

Clear night

56° 💧 None 💨 9 mph H 63%30.15 inHg

1:00 PM

Sunny

49° 💧 None 💨 7 mph H 70%30.24 inHg

7:00 PM

Clear night

61° 💧 None 💨 11 mph H 38%30.21 inHg

Thursday

1:00 AM

Clear night

56° 💧 None 💨 9 mph H 51%30.15 inHg

In Vandalia and, more broadly, across the state of Missouri: This morning will start with mostly cloudy skies and mild temperatures around 67 degrees. Winds will be light from the northeast at up to 9 mph, with occasional gusts reaching 18 mph. As the day progresses, temperatures are expected to warm into the low 80s, reaching around 83. Rain may develop, with some areas experiencing about 0.08 inches of accumulation. The highest chance of rain is about 85%, so keep an umbrella handy if you're heading outdoors. Winds will remain light during the afternoon, continuing from the northeast at similar speeds. Overall, it looks like a warm, mostly cloudy day with a good likelihood of some rain, especially later in the day.

15-Day Weather Outlook for Vandalia

TomorrowTomorrow

Mostly sunny 71°/55° 💧 None 💨 6 mph

Friday, Sep 25Fri Sep 25

Partly cloudy 71°/58° 💧 None 💨 7 mph

Saturday, Sep 26Sat Sep 26

Moderate rain 65°/58° 💧 0.583 in 💨 9 mph

Sunday, Sep 27Sun Sep 27

Moderate rain 69°/58° 💧 0.566 in 💨 9 mph

Monday, Sep 28Mon Sep 28

Overcast 74°/58° 💧 None 💨 8 mph

Tuesday, Sep 29Tue Sep 29

Light rain 76°/61° 💧 0.175 in 💨 9 mph

Wednesday, Sep 30Wed Sep 30

Moderate rain 68°/62° 💧 1.026 in 💨 13 mph

Thursday, Oct 1Thu Oct 1

Overcast 66°/54° 💧 0.001 in 💨 13 mph

Friday, Oct 2Fri Oct 2

Overcast 62°/49° 💧 None 💨 12 mph

Saturday, Oct 3Sat Oct 3

Mostly sunny 65°/48° 💧 0.001 in 💨 4 mph

Sunday, Oct 4Sun Oct 4

Mostly cloudy 67°/53° 💧 None 💨 9 mph

Monday, Oct 5Mon Oct 5

Partly cloudy 75°/58° 💧 None 💨 10 mph

Tuesday, Oct 6Tue Oct 6

Sunny 78°/63° 💧 None 💨 12 mph

Wednesday, Oct 7Wed Oct 7

Sunny 67°/49° 💧 None 💨 11 mph

Thursday, Oct 8Thu Oct 8

Sunny 56°/56° 💧 None 💨 9 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Vandalia

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Vandalia

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 9:00 AM

PM2.5 Fine particles Good 5,2µg/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 5,7µg/m³

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

O₃ Ozone Good 49,0µg/m³

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

NO₂ Nitrogen dioxide Good 2,8µg/m³

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

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Vandalia

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 6,6High 😊Good

Tomorrow UV 6,6High 🙂Fair

Friday UV 4,2Moderate 🙂Fair

Saturday UV 1,0Low 🙂Fair

Sunday UV 3,0Moderate 🙂Fair

Monday UV 6,0High —Unavailable

Tuesday UV 5,0Moderate —Unavailable

Hourly UV index today

9:00 AMUV 1,1 10:00 AMUV 2,5 11:00 AMUV 4,4 12:00 PMUV 5,9 1:00 PMUV 6,6 2:00 PMUV 5,9 3:00 PMUV 4,7 4:00 PMUV 2,9 5:00 PMUV 1,3 6:00 PMUV 0,4 7:00 PMUV 0,0

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.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Vandalia

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · VANDALIA, MISSOURI

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

92/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 8:31 PM–5:26 AM

☁ Cloud cover 5% Real hourly forecast for the best viewing hour.

☾ Moonlight 95% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 64° high at the best hour.

✦ Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min70%

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

SEP 20–NOV 20

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

ACTIVE NOW

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

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% 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 Vandalia were last refreshed today at 8:30 AM. The current forecast period extends through 25/09/2026 at 6:00 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.