Weather forecast for tomorrow
Saint Louis, VA

Weather forecast for tomorrow

Thursday, Jun 19.

PM Thunderstorms
5:43 am

8:41 pm
EDT
PM Thunderstorms
88°F / 63°F
  • Wind: 11mph SW
  • Humidity: 69%
  • Precip. probability: 41%
  • Precipitation: 0.2"
  • UV index: 9
Tomorrow, expect thunderstorms and downpours in the afternoon.
The likelihood of rain is low, and light precipitation is predicted. Forecasted temperatures will peak at a hot 87.8°F and dip to a minimum of an enjoyable 62.6°F.
The maximum heat index, which factors the actual air temperature with the relative humidity, is computed to be a steamy 98.6°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
It will feel hotter, with a temperature more typical of July's average maximum of 86.5°F.
Sunrise will be at 5:43 am and sunset at 8:41 pm; tomorrow's daylight will last for 14h and 58min.

Frequently asked questions

What is the weather forecast for Saint Louis for tomorrow?
On Thursday, in Saint Louis, expect thunderstorms and downpours in the afternoon.
Will it rain tomorrow?
With a probability of 41%, light precipitation of 0.2" is anticipated.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature will be 87.8°F, while the lowest temperature will be 62.6°F. The maximum heat index, which adjusts the air temperature based on humidity, is calculated to be 98.6°F.
The maximum temperature will be a couple of degrees higher than the average highest temperature of 82°F in June. The lowest temperature will be in line with the average low of 61°F.
When is the sunrise / sunset tomorrow in Saint Louis?
On Thursday, in Saint Louis, sunrise will be at 5:43 am and sunset at 8:41 pm (EDT).
How long will the day be tomorrow?
Tomorrow, the daylight will last for 14h and 58min.

Hourly weather forecast

12 am
  • 73°F
  • Feels like:
    75°F
Clear
Clear
  • Wind: 2mph SSW
  • Pressure: 29.88"Hg
  • Humidity: 92%
  • Precip. probability: 8%
  • Precipitation: 0"
  • Visibility: 10mi
2 am
  • 72°F
  • Feels like:
    75°F
Partly Cloudy
Partly Cloudy
  • Wind: 2mph SW
  • Pressure: 29.88"Hg
  • Humidity: 94%
  • Precip. probability: 8%
  • Precipitation: 0"
  • Visibility: 10mi
4 am
  • 72°F
  • Feels like:
    73°F
Clear
Clear
  • Wind: 2mph SW
  • Pressure: 29.85"Hg
  • Humidity: 94%
  • Precip. probability: 8%
  • Precipitation: 0"
  • Visibility: 10mi
Sunrise: 5:43 am
6 am
  • 70°F
  • Feels like:
    72°F
Sunny
Sunny
  • Wind: 3mph SSW
  • Pressure: 29.85"Hg
  • Humidity: 96%
  • Precip. probability: 9%
  • Precipitation: 0"
  • Visibility: 9mi
8 am
  • 75°F
  • Feels like:
    81°F
Sunny
Sunny
  • Wind: 4mph SSW
  • Pressure: 29.85"Hg
  • Humidity: 86%
  • Precip. probability: 8%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 82°F
  • Feels like:
    88°F
Sunny
Sunny
  • Wind: 7mph SSW
  • Pressure: 29.83"Hg
  • Humidity: 72%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 86°F
  • Feels like:
    91°F
Partly Cloudy
Partly Cloudy
  • Wind: 10mph SW
  • Pressure: 29.83"Hg
  • Humidity: 63%
  • Precip. probability: 9%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 86°F
  • Feels like:
    91°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 11mph SW
  • Pressure: 29.8"Hg
  • Humidity: 58%
  • Precip. probability: 35%
  • Precipitation: 0.08"
  • Visibility: 7mi
4 pm
  • 84°F
  • Feels like:
    90°F
Showers
Showers
  • Wind: 9mph SW
  • Pressure: 29.77"Hg
  • Humidity: 61%
  • Precip. probability: 41%
  • Precipitation: 0.04"
  • Visibility: 7mi
6 pm
  • 82°F
  • Feels like:
    86°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 8mph WSW
  • Pressure: 29.77"Hg
  • Humidity: 63%
  • Precip. probability: 23%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 79°F
  • Feels like:
    82°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 8mph W
  • Pressure: 29.8"Hg
  • Humidity: 69%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 8:41 pm
10 pm
  • 73°F
  • Feels like:
    75°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 6mph W
  • Pressure: 29.83"Hg
  • Humidity: 77%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
Tomorrow, on Thursday, weather will be unstable, and a mix of cloud-filled, clear, unstable and rain-soaked weather is forecasted.
Rain is forecasted at 2 pm, 4 pm and 5 pm. With moderate precipitation of 0.16", most rainfall is expected at 5 pm.
The temperature will vary between the lowest temperature of 69.8°F and the highest temperature of 86°F. The hottest part of the day will be from noon to 3 pm.
The maximum is expected to resemble July's average high of 86.5°F rather than June's. The expected low will be consistent with the average minimum in June, which is 61°F.
Updated: Jun 18, 2025 @ 19:15:29 UTC
Published by: Weather U.S. | About Us
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