Weather forecast for tomorrow
Saint Johns, IL

Weather forecast for tomorrow

Saturday, Apr 5.

Rain
6:33 am

7:25 pm
CDT
Rain
55°F / 41°F
  • Wind: 16mph N
  • Humidity: 90%
  • Precip. probability: 99%
  • Precipitation: 0.94"
  • UV index: 1
Tomorrow, on Saturday, expect light to moderate rain through the day, with occasional breaks.
Elevated precipitation of 0.94" is anticipated. The predicted temperature range extends from a high of a refreshing 55.4°F to a low of a wintry 41°F.
The forecast high of 55.4°F aligns more closely with March's typical high of 55°F than with April's usual 66°F.
Sunrise will be at 6:33 am and sunset at 7:25 pm; tomorrow's daylight will last for 12h and 52min.

Frequently asked questions

What is the weather forecast for Saint Johns for tomorrow?
Tomorrow, in Saint Johns, expect widespread rain, bringing wet conditions throughout the day.
Will it rain tomorrow?
Yes. With a probability of 99%, substantial precipitation of 0.94" is expected in Saint Johns.
What will be the maximum temperature tomorrow?
Tomorrow, the maximum temperature will be 55.4°F, while the minimum temperature will be 41°F.
The maximum temperature tomorrow will be uncommonly lower than the average highest temperature of 66°F in April. Tomorrow, the lowest temperature will be slightly cooler than the average low temperature.
When are sunrise and sunset tomorrow?
On Saturday, in Saint Johns, sunrise will be at 6:33 am and sunset at 7:25 pm (CDT).
How long will the day be tomorrow?
In Saint Johns, Illinois, the length of the day tomorrow will be 12h and 52min.

Hourly weather forecast

12 am
  • 64°F
  • Feels like:
    63°F
Thunderstorms
Thunderstorms
  • Wind: 10mph SSW
  • Pressure: 29.88"Hg
  • Humidity: 90%
  • Precip. probability: 98%
  • Precipitation: 0.2"
  • Visibility: 2mi
2 am
  • 63°F
  • Feels like:
    63°F
Thunderstorms
Thunderstorms
  • Wind: 7mph SSE
  • Pressure: 29.85"Hg
  • Humidity: 89%
  • Precip. probability: 76%
  • Precipitation: 0.24"
  • Visibility: 2mi
4 am
  • 61°F
  • Feels like:
    61°F
Thunderstorms
Thunderstorms
  • Wind: 9mph WSW
  • Pressure: 29.88"Hg
  • Humidity: 89%
  • Precip. probability: 74%
  • Precipitation: 0.12"
  • Visibility: 2mi
6 am
  • 55°F
  • Feels like:
    54°F
Rain
Rain
  • Wind: 9mph NW
  • Pressure: 29.91"Hg
  • Humidity: 92%
  • Precip. probability: 73%
  • Precipitation: 0.08"
  • Visibility: 2mi
Sunrise: 6:33 am
8 am
  • 52°F
  • Feels like:
    48°F
Light Rain
Light Rain
  • Wind: 9mph NNW
  • Pressure: 29.97"Hg
  • Humidity: 92%
  • Precip. probability: 62%
  • Precipitation: 0.04"
  • Visibility: 2mi
10 am
  • 52°F
  • Feels like:
    48°F
Rain
Rain
  • Wind: 9mph N
  • Pressure: 30.03"Hg
  • Humidity: 90%
  • Precip. probability: 69%
  • Precipitation: 0.04"
  • Visibility: 2mi
12 pm
  • 50°F
  • Feels like:
    45°F
Rain
Rain
  • Wind: 12mph N
  • Pressure: 30.03"Hg
  • Humidity: 91%
  • Precip. probability: 98%
  • Precipitation: 0.12"
  • Visibility: 4mi
2 pm
  • 48°F
  • Feels like:
    43°F
Rain
Rain
  • Wind: 14mph N
  • Pressure: 30.03"Hg
  • Humidity: 90%
  • Precip. probability: 86%
  • Precipitation: 0.12"
  • Visibility: 2mi
4 pm
  • 48°F
  • Feels like:
    43°F
Rain
Rain
  • Wind: 16mph N
  • Pressure: 30.03"Hg
  • Humidity: 87%
  • Precip. probability: 66%
  • Precipitation: 0.08"
  • Visibility: 4mi
6 pm
  • 48°F
  • Feels like:
    43°F
Rain
Rain
  • Wind: 13mph NNE
  • Pressure: 30"Hg
  • Humidity: 87%
  • Precip. probability: 61%
  • Precipitation: 0.04"
  • Visibility: 4mi
Sunset: 7:25 pm
8 pm
  • 46°F
  • Feels like:
    41°F
Showers
Showers
  • Wind: 12mph N
  • Pressure: 30.03"Hg
  • Humidity: 93%
  • Precip. probability: 51%
  • Precipitation: 0.04"
  • Visibility: 4mi
10 pm
  • 48°F
  • Feels like:
    43°F
Showers
Showers
  • Wind: 11mph N
  • Pressure: 30.06"Hg
  • Humidity: 87%
  • Precip. probability: 51%
  • Precipitation: 0.04"
  • Visibility: 4mi
Tomorrow, on Saturday, a combination of rain-soaked, lightning-active and cloud-filled weather is expected.
Rainfall is predicted throughout the entire day, with precipitation varying from a minimal 0.04" to a maximum of 0.28". With moderate precipitation of 0.28", most rainfall is expected at 3 am.
The temperature will be between a minimum of 46.4°F and a maximum of 64.4°F. The warmest part of the day is anticipated around midnight.
The day’s peak temperature will reflect March's norm of 55°F more than April's 66°F. Tomorrow, the forecasted low is also more similar to March's minimum of 38.7°F than the average in April.
Updated: Apr 4, 2025 @ 08:36:39 UTC
Published by: Weather U.S. | About Us
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