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

As of 6:58 am CDT
alertLevel3

Wind Advisory

alertLevel3

There is a possible risk of severe weather today. Look out for damaging winds and powerful tornadoes.

Sunday, March 15

7 am

Partly Cloudy Night Partly Cloudy
62°
Rain drop 9%
S 15 mph
Subtract

Partly Cloudy

  • Temperature feels like
    Feels Like60°
  • WindS 15 mph
  • Humidity
    Humidity64%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover30%
  • Rain drop
    Rain Amount0 in

7:15 am

Partly Cloudy Day Partly Cloudy
62°
Rain drop 8%
S 15 mph

7:30 am

Partly Cloudy Day Partly Cloudy
62°
Rain drop 8%
S 16 mph

7:45 am

Partly Cloudy Day Partly Cloudy
62°
Rain drop 9%
S 16 mph

8 am

Partly Cloudy Day Partly Cloudy
63°
Rain drop 10%
S 16 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like61°
  • WindS 16 mph
  • Humidity
    Humidity64%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover45%
  • Rain drop
    Rain Amount0 in

9 am

Partly Cloudy Day Partly Cloudy
64°
Rain drop 10%
S 17 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like62°
  • WindS 17 mph
  • Humidity
    Humidity66%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover53%
  • Rain drop
    Rain Amount0 in

10 am

Windy Cloudy/Wind
63°
Rain drop 2%
S 20 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like61°
  • WindS 20 mph
  • Humidity
    Humidity68%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover92%
  • Rain drop
    Rain Amount0 in

11 am

Windy Cloudy/Wind
65°
Rain drop 2%
S 21 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like63°
  • WindS 21 mph
  • Humidity
    Humidity67%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover92%
  • Rain drop
    Rain Amount0 in

12 pm

Windy Cloudy/Wind
66°
Rain drop 4%
SSW 21 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like66°
  • WindSSW 21 mph
  • Humidity
    Humidity64%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover96%
  • Rain drop
    Rain Amount0 in
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1 pm

Windy Cloudy/Wind
66°
Rain drop 18%
SSW 21 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like66°
  • WindSSW 21 mph
  • Humidity
    Humidity62%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover92%
  • Rain drop
    Rain Amount0 in

2 pm

Isolated Thunderstorms Isolated Thunderstorms/Wind
65°
Rain drop 31%
S 21 mph
Add

Isolated Thunderstorms/Wind

  • Temperature feels like
    Feels Like65°
  • WindS 21 mph
  • Humidity
    Humidity63%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover99%
  • Rain drop
    Rain Amount0.01 in

3 pm

Thunderstorms Thunderstorms/Wind
64°
Rain drop 68%
SSW 20 mph
Add

Thunderstorms/Wind

  • Temperature feels like
    Feels Like62°
  • WindSSW 20 mph
  • Humidity
    Humidity63%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover98%
  • Rain drop
    Rain Amount0.03 in

4 pm

Thunderstorms Thunderstorms
63°
Rain drop 99%
SSW 19 mph
Add

Thunderstorms

  • Temperature feels like
    Feels Like60°
  • WindSSW 19 mph
  • Humidity
    Humidity65%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover97%
  • Rain drop
    Rain Amount0.11 in

5 pm

Thunderstorms Thunderstorms
56°
Rain drop 97%
SW 19 mph
Add

Thunderstorms

  • Temperature feels like
    Feels Like52°
  • WindSW 19 mph
  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover99%
  • Rain drop
    Rain Amount0.1 in

6 pm

Thunderstorms Thunderstorms/Wind
49°
Rain drop 73%
WNW 22 mph
Add

Thunderstorms/Wind

  • Temperature feels like
    Feels Like42°
  • WindWNW 22 mph
  • Humidity
    Humidity76%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.08 in

7 pm

Rain Rain/Wind
43°
Rain drop 67%
WNW 22 mph
Add

Rain/Wind

  • Temperature feels like
    Feels Like34°
  • WindWNW 22 mph
  • Humidity
    Humidity81%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.04 in

8 pm

Showers Showers/Wind
40°
Rain drop 49%
WNW 21 mph
Add

Showers/Wind

  • Temperature feels like
    Feels Like31°
  • WindWNW 21 mph
  • Humidity
    Humidity77%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover93%
  • Rain drop
    Rain Amount0.01 in

9 pm

Windy Cloudy/Wind
38°
Rain drop 12%
WNW 21 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like28°
  • WindWNW 21 mph
  • Humidity
    Humidity77%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover96%
  • Mixed precipitation
    Precip Amount0 in

10 pm

Windy Cloudy/Wind
36°
Rain drop 13%
WNW 22 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like25°
  • WindWNW 22 mph
  • Humidity
    Humidity76%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover93%
  • Mixed precipitation
    Precip Amount0 in

11 pm

Windy Cloudy/Wind
35°
Rain drop 18%
WNW 20 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like24°
  • WindWNW 20 mph
  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover98%
  • Mixed precipitation
    Precip Amount0 in

Monday, March 16

12 am

Windy Cloudy/Wind
34°
Rain drop 24%
WNW 21 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like23°
  • WindWNW 21 mph
  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover98%
  • Mixed precipitation
    Precip Amount0 in
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1 am

Snow Showers Few Snow Showers/Wind
33°
Rain drop 33%
WNW 20 mph
Add

Few Snow Showers/Wind

  • Temperature feels like
    Feels Like21°
  • WindWNW 20 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover98%
  • Snowflake
    Snow Amount0 in

2 am

Windy Cloudy/Wind
32°
Rain drop 15%
WNW 20 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like20°
  • WindWNW 20 mph
  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover98%
  • Mixed precipitation
    Precip Amount0 in

3 am

Windy Cloudy/Wind
31°
Rain drop 6%
WNW 21 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like18°
  • WindWNW 21 mph
  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover89%
  • Mixed precipitation
    Precip Amount0 in

4 am

Windy Cloudy/Wind
29°
Rain drop 4%
WNW 22 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like16°
  • WindWNW 22 mph
  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover93%
  • Mixed precipitation
    Precip Amount0 in

5 am

Windy Cloudy/Wind
27°
Rain drop 6%
WNW 20 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like14°
  • WindWNW 20 mph
  • Humidity
    Humidity69%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover93%
  • Mixed precipitation
    Precip Amount0 in

6 am

Windy Cloudy/Wind
26°
Rain drop 7%
WNW 20 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like12°
  • WindWNW 20 mph
  • Humidity
    Humidity68%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover94%
  • Mixed precipitation
    Precip Amount0 in

7 am

Windy Cloudy/Wind
24°
Rain drop 6%
WNW 20 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like10°
  • WindWNW 20 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover95%
  • Snowflake
    Snow Amount0 in

8 am

Cloudy Cloudy
23°
Rain drop 5%
WNW 19 mph
Add

Cloudy

  • Temperature feels like
    Feels Like9°
  • WindWNW 19 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover96%
  • Snowflake
    Snow Amount0 in

9 am

Cloudy Cloudy
23°
Rain drop 15%
WNW 19 mph
Add

Cloudy

  • Temperature feels like
    Feels Like9°
  • WindWNW 19 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover95%
  • Snowflake
    Snow Amount0 in

10 am

Cloudy Cloudy
25°
Rain drop 15%
WNW 19 mph
Add

Cloudy

  • Temperature feels like
    Feels Like11°
  • WindWNW 19 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover94%
  • Snowflake
    Snow Amount0 in

11 am

Windy Cloudy/Wind
25°
Rain drop 15%
WNW 21 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like11°
  • WindWNW 21 mph
  • Humidity
    Humidity60%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover94%
  • Mixed precipitation
    Precip Amount0 in

12 pm

Windy Cloudy/Wind
26°
Rain drop 15%
WNW 21 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like12°
  • WindWNW 21 mph
  • Humidity
    Humidity58%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover94%
  • Mixed precipitation
    Precip Amount0 in
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1 pm

Windy Cloudy/Wind
27°
Rain drop 15%
WNW 20 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like13°
  • WindWNW 20 mph
  • Humidity
    Humidity54%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover93%
  • Mixed precipitation
    Precip Amount0 in

2 pm

Windy Cloudy/Wind
28°
Rain drop 15%
WNW 20 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like15°
  • WindWNW 20 mph
  • Humidity
    Humidity50%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover80%
  • Mixed precipitation
    Precip Amount0 in

3 pm

Mostly Cloudy Day Mostly Cloudy
29°
Rain drop 0%
WNW 19 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like16°
  • WindWNW 19 mph
  • Humidity
    Humidity47%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover63%
  • Mixed precipitation
    Precip Amount0 in

4 pm

Partly Cloudy Day Partly Cloudy
29°
Rain drop 0%
WNW 18 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like17°
  • WindWNW 18 mph
  • Humidity
    Humidity46%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover48%
  • Mixed precipitation
    Precip Amount0 in

5 pm

Partly Cloudy Day Partly Cloudy
30°
Rain drop 0%
WNW 18 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like18°
  • WindWNW 18 mph
  • Humidity
    Humidity44%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover53%
  • Mixed precipitation
    Precip Amount0 in

6 pm

Partly Cloudy Day Partly Cloudy
30°
Rain drop 0%
WNW 17 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like18°
  • WindWNW 17 mph
  • Humidity
    Humidity42%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover43%
  • Mixed precipitation
    Precip Amount0 in

7 pm

Partly Cloudy Day Partly Cloudy
28°
Rain drop 0%
WNW 15 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like17°
  • WindWNW 15 mph
  • Humidity
    Humidity44%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover34%
  • Mixed precipitation
    Precip Amount0 in

8 pm

Clear Night Clear
27°
Rain drop 0%
WNW 14 mph
Add

Clear

  • Temperature feels like
    Feels Like16°
  • WindWNW 14 mph
  • Humidity
    Humidity43%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover14%
  • Mixed precipitation
    Precip Amount0 in

9 pm

Mostly Clear Night Mostly Clear
26°
Rain drop 0%
WNW 14 mph
Add

Mostly Clear

  • Temperature feels like
    Feels Like14°
  • WindWNW 14 mph
  • Humidity
    Humidity45%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover20%
  • Mixed precipitation
    Precip Amount0 in

10 pm

Mostly Clear Night Mostly Clear
25°
Rain drop 0%
NW 13 mph
Add

Mostly Clear

  • Temperature feels like
    Feels Like13°
  • WindNW 13 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover21%
  • Snowflake
    Snow Amount0 in

11 pm

Mostly Clear Night Mostly Clear
23°
Rain drop 0%
NW 13 mph
Add

Mostly Clear

  • Temperature feels like
    Feels Like11°
  • WindNW 13 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover24%
  • Snowflake
    Snow Amount0 in

Tuesday, March 17

12 am

Clear Night Clear
22°
Rain drop 0%
NW 12 mph
Add

Clear

  • Temperature feels like
    Feels Like10°
  • WindNW 12 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover15%
  • Snowflake
    Snow Amount0 in
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1 am

Clear Night Clear
21°
Rain drop 0%
NW 11 mph
Add

Clear

  • Temperature feels like
    Feels Like9°
  • WindNW 11 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover5%
  • Snowflake
    Snow Amount0 in

2 am

Clear Night Clear
20°
Rain drop 0%
NW 10 mph
Add

Clear

  • Temperature feels like
    Feels Like9°
  • WindNW 10 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover5%
  • Snowflake
    Snow Amount0 in

3 am

Clear Night Clear
19°
Rain drop 0%
NW 11 mph
Add

Clear

  • Temperature feels like
    Feels Like8°
  • WindNW 11 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover4%
  • Snowflake
    Snow Amount0 in

4 am

Clear Night Clear
18°
Rain drop 0%
NW 10 mph
Add

Clear

  • Temperature feels like
    Feels Like7°
  • WindNW 10 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover3%
  • Snowflake
    Snow Amount0 in

5 am

Clear Night Clear
17°
Rain drop 0%
NW 9 mph
Add

Clear

  • Temperature feels like
    Feels Like6°
  • WindNW 9 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover4%
  • Snowflake
    Snow Amount0 in

6 am

Mostly Clear Night Mostly Clear
16°
Rain drop 0%
NW 8 mph
Add

Mostly Clear

  • Temperature feels like
    Feels Like5°
  • WindNW 8 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover20%
  • Snowflake
    Snow Amount0 in
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