Weather O Fallon for next 7 days Illinois

Weather forecast

in world / United States / Illinois / O Fallon
01.04 Tue
1°/13°
Partly cloudy
Precipitation 0%

01 april tuesday

Partly cloudy

Feels like 13°C

icon triangle bottom

1°C

icon triangle top

13°C

Partly cloudy

Precipitation Precipitation: 0 in
Pressure Pressure: 1015 mb
Humidity Humidity: 69%
Wind Wind: E , 2 m/s

Sunrise Sunrise 06:45

Sunset Sunset 19:25

night

01:00

Cloudy

4°

04:00

Partly cloudy

7°

morning

07:00

Partly cloudy

11°

10:00

Overcast

14°

day

13:00

Clear

14°

16:00

Partly cloudy

12°

evening

19:00

Clear

12°

22:00

Cloudy

13°

02.04 Wed
10°/25°
Overcast and rain
Precipitation 89%
03.04 Thu
10°/14°
Overcast and rain
Precipitation 79%
04.04 Fri
11°/17°
Overcast and showers
Precipitation 88%
05.04 Sat
7°/9°
Overcast and showers
Precipitation 83%
06.04 Sun
5°/13°
Cloudy
Precipitation 0%
07.04 Mon
-1°/7°
Clear
Precipitation 0%

⚡News

1

April 2025

US Weather April 2025: Polar Vortex to Freeze Spring Out of America

US Weather April 2025: Polar Vortex to Freeze Spring Out of America

Weather in April 2025, forecasters are eyeing a scenario where this vortex stumbles, splitting or elongating in ways that shove cold air southward into North America.

29

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Arctic Blast Unleashes Chaos: Canada Faces a Crippling Snowstorm

A formidable weather system is barreling toward Canada, poised to deliver a punishing blow as March draws to a close. Meteorologists are sounding the alarm for a colossal snowstorm set to strike on March 31, 2025, driven by a potent Arctic blast that will plunge the nation into a deep freeze.

29

March 2025

Tropical Storm Dianne Threatens to Unleash Chaos Across Australia

The million-dollar question on everyone’s mind is whether Tropical Storm Dianne will escalate into a cyclone. As of now, the BOM gives it a 65% chance of reaching cyclone status within the next 48 hours.

29

March 2025

Massive Earthquake in Bangkok, Thailand! 7.7 Magnitude Quake Collapses Buildings in Myanmar

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28

March 2025

Bangkok Shaken to Its Core: Earthquake Chaos Unleashes Destruction and Panic on March 28

The March 28, 2025, earthquake has shattered Bangkok’s sense of security. A city known for its vibrant chaos now faces a different kind— one that could reshape its future. Stay tuned as this story develops, and brace yourself: Mother Nature isn’t done yet.

27

March 2025

Devils Horns on the Sun: What Americans Should Expect from the Partial Solar Eclipse on March 29

The “devil’s horns” nickname is pure clickbait fun—there’s no mischief here, just shadows and light. Still, it’s this kind of imagery that makes astronomy thrilling. So, Solar Eclipse on March 29, 2025, grab your gear, head outside (preferably in the West), and catch the Sun sporting its eerie crescent. It might just spark a lifelong curiosity about the universe!
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