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Hourly Weather Forecast for O'Fallon, Missouri 63366 - The Weather Channel | Weather.com
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Hourly Weather-

As of 8:55 pm CDT
alertLevel3

There is a marginal risk of severe weather tonight. Wind, tornadoes and hail are possible. Look out for powerful tornadoes.

Rain

Thunderstorms possible after 12 AM. Gusty winds and small hail are possible.

Friday, April 3

9 pm

Mostly Cloudy Night Mostly Cloudy
76°
Rain drop 16%
S 10 mph
Subtract

Mostly Cloudy

  • Temperature feels like
    Feels Like76°
  • WindS 10 mph
  • Humidity
    Humidity60%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover60%
  • Rain drop
    Rain Amount0 in

10 pm

Mostly Cloudy Night Mostly Cloudy
74°
Rain drop 17%
S 10 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like74°
  • WindS 10 mph
  • Humidity
    Humidity66%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover70%
  • Rain drop
    Rain Amount0 in

11 pm

Cloudy Cloudy
73°
Rain drop 18%
S 11 mph
Add

Cloudy

  • Temperature feels like
    Feels Like73°
  • WindS 11 mph
  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover80%
  • Rain drop
    Rain Amount0 in

Saturday, April 4

12 am

Showers Few Showers
71°
Rain drop 34%
S 12 mph
Add

Few Showers

  • Temperature feels like
    Feels Like71°
  • WindS 12 mph
  • Humidity
    Humidity77%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover96%
  • Rain drop
    Rain Amount0 in

1 am

Thunderstorms Thunderstorms
70°
Rain drop 99%
SSW 12 mph
Add

Thunderstorms

  • Temperature feels like
    Feels Like70°
  • WindSSW 12 mph
  • Humidity
    Humidity78%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover94%
  • Rain drop
    Rain Amount0.09 in

2 am

Thunderstorms Heavy Thunderstorms
68°
Rain drop 100%
SSW 12 mph
Add

Heavy Thunderstorms

  • Temperature feels like
    Feels Like68°
  • WindSSW 12 mph
  • Humidity
    Humidity80%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover91%
  • Rain drop
    Rain Amount0.34 in
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3 am

Thunderstorms Thunderstorms
67°
Rain drop 100%
SW 9 mph
Add

Thunderstorms

  • Temperature feels like
    Feels Like67°
  • WindSW 9 mph
  • Humidity
    Humidity84%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover99%
  • Rain drop
    Rain Amount0.3 in

4 am

Thunderstorms Thunderstorms
64°
Rain drop 89%
WSW 7 mph
Add

Thunderstorms

  • Temperature feels like
    Feels Like64°
  • WindWSW 7 mph
  • Humidity
    Humidity88%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover99%
  • Rain drop
    Rain Amount0.09 in

5 am

Rain Rain
62°
Rain drop 87%
W 8 mph
Add

Rain

  • Temperature feels like
    Feels Like61°
  • WindW 8 mph
  • Humidity
    Humidity90%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.06 in

6 am

Rain Rain
59°
Rain drop 76%
W 9 mph
Add

Rain

  • Temperature feels like
    Feels Like58°
  • WindW 9 mph
  • Humidity
    Humidity90%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.04 in

7 am

Showers Showers
57°
Rain drop 36%
WNW 9 mph
Add

Showers

  • Temperature feels like
    Feels Like55°
  • WindWNW 9 mph
  • Humidity
    Humidity90%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover99%
  • Rain drop
    Rain Amount0.01 in

8 am

Cloudy Cloudy
54°
Rain drop 21%
WNW 10 mph
Add

Cloudy

  • Temperature feels like
    Feels Like51°
  • WindWNW 10 mph
  • Humidity
    Humidity89%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover99%
  • Rain drop
    Rain Amount0 in

9 am

Cloudy Cloudy
53°
Rain drop 11%
WNW 12 mph
Add

Cloudy

  • Temperature feels like
    Feels Like49°
  • WindWNW 12 mph
  • Humidity
    Humidity86%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover98%
  • Rain drop
    Rain Amount0 in

10 am

Cloudy Cloudy
51°
Rain drop 7%
WNW 14 mph
Add

Cloudy

  • Temperature feels like
    Feels Like46°
  • WindWNW 14 mph
  • Humidity
    Humidity84%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover98%
  • Rain drop
    Rain Amount0 in

11 am

Cloudy Cloudy
50°
Rain drop 6%
WNW 14 mph
Add

Cloudy

  • Temperature feels like
    Feels Like45°
  • WindWNW 14 mph
  • Humidity
    Humidity79%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover99%
  • Rain drop
    Rain Amount0 in

12 pm

Cloudy Cloudy
50°
Rain drop 5%
WNW 14 mph
Add

Cloudy

  • Temperature feels like
    Feels Like45°
  • WindWNW 14 mph
  • Humidity
    Humidity75%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover98%
  • Rain drop
    Rain Amount0 in

1 pm

Cloudy Cloudy
50°
Rain drop 2%
WNW 14 mph
Add

Cloudy

  • Temperature feels like
    Feels Like45°
  • WindWNW 14 mph
  • Humidity
    Humidity71%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover94%
  • Rain drop
    Rain Amount0 in

2 pm

Cloudy Cloudy
51°
Rain drop 8%
WNW 15 mph
Add

Cloudy

  • Temperature feels like
    Feels Like46°
  • WindWNW 15 mph
  • Humidity
    Humidity66%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover93%
  • Rain drop
    Rain Amount0 in
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3 pm

Cloudy Cloudy
52°
Rain drop 0%
WNW 15 mph
Add

Cloudy

  • Temperature feels like
    Feels Like47°
  • WindWNW 15 mph
  • Humidity
    Humidity61%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover80%
  • Rain drop
    Rain Amount0 in

4 pm

Mostly Cloudy Day Mostly Cloudy
53°
Rain drop 0%
WNW 15 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like48°
  • WindWNW 15 mph
  • Humidity
    Humidity57%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover60%
  • Rain drop
    Rain Amount0 in

5 pm

Partly Cloudy Day Partly Cloudy
53°
Rain drop 0%
WNW 15 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like49°
  • WindWNW 15 mph
  • Humidity
    Humidity52%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover56%
  • Rain drop
    Rain Amount0 in

6 pm

Partly Cloudy Day Partly Cloudy
53°
Rain drop 0%
WNW 15 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like48°
  • WindWNW 15 mph
  • Humidity
    Humidity50%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover46%
  • Rain drop
    Rain Amount0 in

7 pm

Mostly Clear Day Mostly Sunny
51°
Rain drop 0%
WNW 13 mph
Add

Mostly Sunny

  • Temperature feels like
    Feels Like46°
  • WindWNW 13 mph
  • Humidity
    Humidity53%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover29%
  • Rain drop
    Rain Amount0 in

8 pm

Clear Night Clear
49°
Rain drop 0%
WNW 10 mph
Add

Clear

  • Temperature feels like
    Feels Like44°
  • WindWNW 10 mph
  • Humidity
    Humidity57%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover16%
  • Rain drop
    Rain Amount0 in

9 pm

Clear Night Clear
48°
Rain drop 1%
NW 10 mph
Add

Clear

  • Temperature feels like
    Feels Like43°
  • WindNW 10 mph
  • Humidity
    Humidity59%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover16%
  • Rain drop
    Rain Amount0 in

10 pm

Clear Night Clear
46°
Rain drop 1%
WNW 9 mph
Add

Clear

  • Temperature feels like
    Feels Like42°
  • WindWNW 9 mph
  • Humidity
    Humidity61%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover12%
  • Rain drop
    Rain Amount0 in

11 pm

Clear Night Clear
45°
Rain drop 1%
WNW 8 mph
Add

Clear

  • Temperature feels like
    Feels Like41°
  • WindWNW 8 mph
  • Humidity
    Humidity62%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover9%
  • Rain drop
    Rain Amount0 in

Sunday, April 5

12 am

Clear Night Clear
45°
Rain drop 2%
WNW 8 mph
Add

Clear

  • Temperature feels like
    Feels Like40°
  • WindWNW 8 mph
  • Humidity
    Humidity64%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover10%
  • Rain drop
    Rain Amount0 in

1 am

Clear Night Clear
44°
Rain drop 2%
WNW 7 mph
Add

Clear

  • Temperature feels like
    Feels Like39°
  • WindWNW 7 mph
  • Humidity
    Humidity66%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover10%
  • Rain drop
    Rain Amount0 in

2 am

Clear Night Clear
43°
Rain drop 2%
NW 8 mph
Add

Clear

  • Temperature feels like
    Feels Like38°
  • WindNW 8 mph
  • Humidity
    Humidity66%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover10%
  • Rain drop
    Rain Amount0 in
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3 am

Clear Night Clear
42°
Rain drop 2%
NW 8 mph
Add

Clear

  • Temperature feels like
    Feels Like37°
  • WindNW 8 mph
  • Humidity
    Humidity68%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover11%
  • Rain drop
    Rain Amount0 in

4 am

Clear Night Clear
41°
Rain drop 3%
NW 8 mph
Add

Clear

  • Temperature feels like
    Feels Like35°
  • WindNW 8 mph
  • Humidity
    Humidity71%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover9%
  • Rain drop
    Rain Amount0 in

5 am

Clear Night Clear
40°
Rain drop 4%
NW 7 mph
Add

Clear

  • Temperature feels like
    Feels Like35°
  • WindNW 7 mph
  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover10%
  • Mixed precipitation
    Precip Amount0 in

6 am

Clear Night Clear
39°
Rain drop 4%
NW 7 mph
Add

Clear

  • Temperature feels like
    Feels Like34°
  • WindNW 7 mph
  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover10%
  • Mixed precipitation
    Precip Amount0 in

7 am

Sunny Sunny
39°
Rain drop 4%
NW 7 mph
Add

Sunny

  • Temperature feels like
    Feels Like34°
  • WindNW 7 mph
  • Humidity
    Humidity75%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover8%
  • Mixed precipitation
    Precip Amount0 in

8 am

Sunny Sunny
40°
Rain drop 3%
NW 8 mph
Add

Sunny

  • Temperature feels like
    Feels Like35°
  • WindNW 8 mph
  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover5%
  • Rain drop
    Rain Amount0 in

9 am

Sunny Sunny
43°
Rain drop 1%
NW 10 mph
Add

Sunny

  • Temperature feels like
    Feels Like37°
  • WindNW 10 mph
  • Humidity
    Humidity66%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover4%
  • Rain drop
    Rain Amount0 in

10 am

Sunny Sunny
46°
Rain drop 0%
NW 11 mph
Add

Sunny

  • Temperature feels like
    Feels Like40°
  • WindNW 11 mph
  • Humidity
    Humidity60%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover4%
  • Rain drop
    Rain Amount0 in

11 am

Sunny Sunny
49°
Rain drop 0%
NW 11 mph
Add

Sunny

  • Temperature feels like
    Feels Like44°
  • WindNW 11 mph
  • Humidity
    Humidity53%
  • UV index
    UV Index4 of 11
  • Cloud
    Cloud Cover3%
  • Rain drop
    Rain Amount0 in

12 pm

Sunny Sunny
52°
Rain drop 0%
NW 11 mph
Add

Sunny

  • Temperature feels like
    Feels Like48°
  • WindNW 11 mph
  • Humidity
    Humidity46%
  • UV index
    UV Index6 of 11
  • Cloud
    Cloud Cover1%
  • Rain drop
    Rain Amount0 in

1 pm

Sunny Sunny
55°
Rain drop 0%
NW 11 mph
Add

Sunny

  • Temperature feels like
    Feels Like51°
  • WindNW 11 mph
  • Humidity
    Humidity42%
  • UV index
    UV Index6 of 11
  • Cloud
    Cloud Cover1%
  • Rain drop
    Rain Amount0 in

2 pm

Sunny Sunny
57°
Rain drop 0%
NW 11 mph
Add

Sunny

  • Temperature feels like
    Feels Like54°
  • WindNW 11 mph
  • Humidity
    Humidity39%
  • UV index
    UV Index6 of 11
  • Cloud
    Cloud Cover1%
  • Rain drop
    Rain Amount0 in
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3 pm

Sunny Sunny
58°
Rain drop 0%
NW 12 mph
Add

Sunny

  • Temperature feels like
    Feels Like56°
  • WindNW 12 mph
  • Humidity
    Humidity36%
  • UV index
    UV Index5 of 11
  • Cloud
    Cloud Cover1%
  • Rain drop
    Rain Amount0 in

4 pm

Sunny Sunny
59°
Rain drop 0%
NW 11 mph
Add

Sunny

  • Temperature feels like
    Feels Like58°
  • WindNW 11 mph
  • Humidity
    Humidity35%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover1%
  • Rain drop
    Rain Amount0 in

5 pm

Sunny Sunny
60°
Rain drop 0%
NW 10 mph
Add

Sunny

  • Temperature feels like
    Feels Like58°
  • WindNW 10 mph
  • Humidity
    Humidity34%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover1%
  • Rain drop
    Rain Amount0 in

6 pm

Sunny Sunny
59°
Rain drop 0%
NW 9 mph
Add

Sunny

  • Temperature feels like
    Feels Like58°
  • WindNW 9 mph
  • Humidity
    Humidity36%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover1%
  • Rain drop
    Rain Amount0 in

7 pm

Sunny Sunny
57°
Rain drop 0%
NW 6 mph
Add

Sunny

  • Temperature feels like
    Feels Like56°
  • WindNW 6 mph
  • Humidity
    Humidity39%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover0%
  • Rain drop
    Rain Amount0 in

8 pm

Clear Night Clear
54°
Rain drop 0%
NW 4 mph
Add

Clear

  • Temperature feels like
    Feels Like53°
  • WindNW 4 mph
  • Humidity
    Humidity46%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover0%
  • Rain drop
    Rain Amount0 in
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