Weather forecast for tomorrow
Saint Johns, IL

Weather forecast for tomorrow

Monday, May 12.

Rain / Thunder
5:47 am

7:59 pm
CDT
Rain / Thunder
72°F / 61°F
  • Wind: 7mph E
  • Humidity: 83%
  • Precip. probability: 69%
  • Precipitation: 0.12"
  • UV index: 4
Tomorrow, rain and thunderstorms will develop and persist through the late hours.
Minimal precipitation is predicted. The temperature scale will run from a maximum of a pleasant 71.6°F to a minimum of a breezy 60.8°F.
The expected maximum temperature will be moderately lower than May's typical high of 75.4°F.
Sunrise will be at 5:47 am and sunset at 7:59 pm; tomorrow's daylight will last for 14h and 13min.

Frequently asked questions

What is the weather forecast for Saint Johns for tomorrow?
Tomorrow, in Saint Johns, rain and thunderstorms will affect the area, especially in the afternoon.
Will it rain tomorrow?
There is a high chance of rainfall, but precipitation will be minimal.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature will be 71.6°F, while the lowest temperature will be 60.8°F.
The highest temperature will be a couple of degrees lower than the average maximum of 75.4°F in May. The lowest temperature will be in line with the average low of 58.1°F.
What time are sunrise and sunset tomorrow?
On Monday, in Saint Johns, sunrise will be at 5:47 am and sunset at 7:59 pm (CDT).
How long will the day be tomorrow in Saint Johns?
In Saint Johns, the length of the day tomorrow will be 14h and 13min.

Hourly weather forecast

12 am
  • 64°F
  • Feels like:
    64°F
Cloudy
Cloudy
  • Wind: 6mph ENE
  • Pressure: 30"Hg
  • Humidity: 72%
  • Precip. probability: 17%
  • Precipitation: 0"
  • Visibility: 10mi
2 am
  • 64°F
  • Feels like:
    64°F
Showers
Showers
  • Wind: 4mph E
  • Pressure: 29.97"Hg
  • Humidity: 79%
  • Precip. probability: 49%
  • Precipitation: 0.04"
  • Visibility: 7mi
4 am
  • 63°F
  • Feels like:
    63°F
Showers
Showers
  • Wind: 4mph E
  • Pressure: 29.94"Hg
  • Humidity: 84%
  • Precip. probability: 40%
  • Precipitation: 0.04"
  • Visibility: 7mi
Sunrise: 5:47 am
6 am
  • 63°F
  • Feels like:
    63°F
Showers
Showers
  • Wind: 4mph ENE
  • Pressure: 29.94"Hg
  • Humidity: 89%
  • Precip. probability: 35%
  • Precipitation: 0.04"
  • Visibility: 5mi
8 am
  • 64°F
  • Feels like:
    64°F
Showers
Showers
  • Wind: 6mph E
  • Pressure: 29.94"Hg
  • Humidity: 90%
  • Precip. probability: 47%
  • Precipitation: 0.04"
  • Visibility: 4mi
10 am
  • 66°F
  • Feels like:
    68°F
Cloudy
Cloudy
  • Wind: 6mph ENE
  • Pressure: 29.94"Hg
  • Humidity: 87%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 5mi
12 pm
  • 70°F
  • Feels like:
    70°F
Rain
Rain
  • Wind: 7mph E
  • Pressure: 29.88"Hg
  • Humidity: 81%
  • Precip. probability: 70%
  • Precipitation: 0.08"
  • Visibility: 5mi
2 pm
  • 70°F
  • Feels like:
    72°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 7mph E
  • Pressure: 29.85"Hg
  • Humidity: 80%
  • Precip. probability: 43%
  • Precipitation: 0.04"
  • Visibility: 7mi
4 pm
  • 70°F
  • Feels like:
    72°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 7mph E
  • Pressure: 29.8"Hg
  • Humidity: 79%
  • Precip. probability: 51%
  • Precipitation: 0.04"
  • Visibility: 7mi
6 pm
  • 72°F
  • Feels like:
    72°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph E
  • Pressure: 29.77"Hg
  • Humidity: 77%
  • Precip. probability: 18%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 7:59 pm
8 pm
  • 68°F
  • Feels like:
    68°F
Showers
Showers
  • Wind: 4mph E
  • Pressure: 29.8"Hg
  • Humidity: 90%
  • Precip. probability: 43%
  • Precipitation: 0.04"
  • Visibility: 4mi
10 pm
  • 64°F
  • Feels like:
    64°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 2mph E
  • Pressure: 29.8"Hg
  • Humidity: 93%
  • Precip. probability: 17%
  • Precipitation: 0"
  • Visibility: 2mi
Tomorrow, weather will be unstable, and a mix of cloud-filled, damp, thunderstorm-prone and sunny weather is forecasted.
Rainfall is anticipated from 1 am to 9 am, and from 11 am to 4 pm, 7 pm, 8 pm and at 11 pm. With light precipitation of 0.12", most rainfall is expected at 3 pm.
The temperature will be between the lowest temperature of 62.6°F and the highest temperature of 71.6°F. The warmest part of the day will be at 3 pm, 5 pm and 6 pm.
The forecasted high will be moderately lower than the typical May maximum of 75.4°F. The temperature low is forecasted to be also comparable to the usual May value of 58.1°F.
Updated: May 11, 2025 @ 05:30:44 UTC
Published by: Weather U.S. | About Us
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