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

As of 1:45 pm CDT
alertLevel3

Wind Advisory

alertLevel3

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

Rain

Thunderstorms possible around 2:45 PM. A few storms may be severe.

Thursday, April 2

2 pm

Showers Showers/Wind
74°
Rain drop 59%
S 21 mph
Subtract

Showers/Wind

  • Temperature feels like
    Feels Like74°
  • WindS 21 mph
  • Humidity
    Humidity63%
  • UV index
    UV Index4 of 11
  • Cloud
    Cloud Cover82%
  • Rain drop
    Rain Amount0 in

2:15 pm

Windy Cloudy/Wind
74°
Rain drop 16%
S 21 mph

2:30 pm

Windy Cloudy/Wind
74°
Rain drop 15%
S 21 mph

3 pm

Thunderstorms Thunderstorms/Wind
75°
Rain drop 66%
S 22 mph
Add

Thunderstorms/Wind

  • Temperature feels like
    Feels Like75°
  • WindS 22 mph
  • Humidity
    Humidity63%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover80%
  • Rain drop
    Rain Amount0.04 in

4 pm

Windy Mostly Cloudy/Wind
76°
Rain drop 15%
S 22 mph
Add

Mostly Cloudy/Wind

  • Temperature feels like
    Feels Like76°
  • WindS 22 mph
  • Humidity
    Humidity62%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover70%
  • Rain drop
    Rain Amount0 in

5 pm

Windy Partly Cloudy/Wind
76°
Rain drop 15%
SSW 20 mph
Add

Partly Cloudy/Wind

  • Temperature feels like
    Feels Like76°
  • WindSSW 20 mph
  • Humidity
    Humidity60%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover59%
  • Rain drop
    Rain Amount0 in

6 pm

Partly Cloudy Day Partly Cloudy
76°
Rain drop 3%
SSW 19 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like76°
  • WindSSW 19 mph
  • Humidity
    Humidity59%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover32%
  • Rain drop
    Rain Amount0 in

7 pm

Partly Cloudy Day Partly Cloudy
75°
Rain drop 15%
SSW 16 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like75°
  • WindSSW 16 mph
  • Humidity
    Humidity60%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover50%
  • Rain drop
    Rain Amount0 in
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8 pm

Mostly Cloudy Night Mostly Cloudy
72°
Rain drop 18%
SSW 13 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like72°
  • WindSSW 13 mph
  • Humidity
    Humidity66%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover69%
  • Rain drop
    Rain Amount0 in

9 pm

Showers Few Showers
71°
Rain drop 32%
SSW 13 mph
Add

Few Showers

  • Temperature feels like
    Feels Like71°
  • WindSSW 13 mph
  • Humidity
    Humidity68%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover42%
  • Rain drop
    Rain Amount0.01 in

10 pm

Showers Showers
69°
Rain drop 41%
SW 11 mph
Add

Showers

  • Temperature feels like
    Feels Like69°
  • WindSW 11 mph
  • Humidity
    Humidity72%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover66%
  • Rain drop
    Rain Amount0.01 in

11 pm

Showers Few Showers
68°
Rain drop 34%
SW 8 mph
Add

Few Showers

  • Temperature feels like
    Feels Like68°
  • WindSW 8 mph
  • Humidity
    Humidity75%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover40%
  • Rain drop
    Rain Amount0.01 in

Friday, April 3

12 am

Partly Cloudy Night Partly Cloudy
66°
Rain drop 20%
SW 6 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like66°
  • WindSW 6 mph
  • Humidity
    Humidity77%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover56%
  • Rain drop
    Rain Amount0 in

1 am

Partly Cloudy Night Partly Cloudy
64°
Rain drop 24%
WSW 5 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like64°
  • WindWSW 5 mph
  • Humidity
    Humidity79%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover54%
  • Rain drop
    Rain Amount0 in

2 am

Showers Few Showers
63°
Rain drop 32%
WSW 3 mph
Add

Few Showers

  • Temperature feels like
    Feels Like63°
  • WindWSW 3 mph
  • Humidity
    Humidity81%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover65%
  • Rain drop
    Rain Amount0.01 in

3 am

Mostly Cloudy Night Mostly Cloudy
63°
Rain drop 24%
WSW 2 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like63°
  • WindWSW 2 mph
  • Humidity
    Humidity82%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover71%
  • Rain drop
    Rain Amount0 in

4 am

Mostly Cloudy Night Mostly Cloudy
61°
Rain drop 24%
N 2 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like61°
  • WindN 2 mph
  • Humidity
    Humidity86%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover66%
  • Rain drop
    Rain Amount0 in

5 am

Cloudy Cloudy
60°
Rain drop 24%
ENE 3 mph
Add

Cloudy

  • Temperature feels like
    Feels Like60°
  • WindENE 3 mph
  • Humidity
    Humidity86%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover80%
  • Rain drop
    Rain Amount0 in

6 am

Showers Few Showers
60°
Rain drop 31%
E 4 mph
Add

Few Showers

  • Temperature feels like
    Feels Like60°
  • WindE 4 mph
  • Humidity
    Humidity86%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover84%
  • Rain drop
    Rain Amount0.01 in

7 am

Cloudy Cloudy
61°
Rain drop 18%
ESE 4 mph
Add

Cloudy

  • Temperature feels like
    Feels Like61°
  • WindESE 4 mph
  • Humidity
    Humidity84%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover88%
  • Rain drop
    Rain Amount0 in
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8 am

Mostly Cloudy Day Mostly Cloudy
62°
Rain drop 13%
ESE 5 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like62°
  • WindESE 5 mph
  • Humidity
    Humidity84%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover74%
  • Rain drop
    Rain Amount0 in

9 am

Mostly Cloudy Day Mostly Cloudy
65°
Rain drop 6%
SSE 6 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like65°
  • WindSSE 6 mph
  • Humidity
    Humidity81%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover79%
  • Rain drop
    Rain Amount0 in

10 am

Mostly Cloudy Day Mostly Cloudy
70°
Rain drop 4%
S 9 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like70°
  • WindS 9 mph
  • Humidity
    Humidity76%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover78%
  • Rain drop
    Rain Amount0 in

11 am

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

Cloudy

  • Temperature feels like
    Feels Like73°
  • WindS 11 mph
  • Humidity
    Humidity72%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover93%
  • Rain drop
    Rain Amount0 in

12 pm

Cloudy Cloudy
75°
Rain drop 8%
S 12 mph
Add

Cloudy

  • Temperature feels like
    Feels Like76°
  • WindS 12 mph
  • Humidity
    Humidity68%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover92%
  • Rain drop
    Rain Amount0 in

1 pm

Cloudy Cloudy
77°
Rain drop 12%
S 13 mph
Add

Cloudy

  • Temperature feels like
    Feels Like80°
  • WindS 13 mph
  • Humidity
    Humidity65%
  • UV index
    UV Index4 of 11
  • Cloud
    Cloud Cover83%
  • Rain drop
    Rain Amount0 in

2 pm

Mostly Cloudy Day Mostly Cloudy
79°
Rain drop 7%
S 14 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like81°
  • WindS 14 mph
  • Humidity
    Humidity61%
  • UV index
    UV Index4 of 11
  • Cloud
    Cloud Cover75%
  • Rain drop
    Rain Amount0 in

3 pm

Mostly Cloudy Day Mostly Cloudy
80°
Rain drop 9%
S 14 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like82°
  • WindS 14 mph
  • Humidity
    Humidity59%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover77%
  • Rain drop
    Rain Amount0 in

4 pm

Mostly Cloudy Day Mostly Cloudy
80°
Rain drop 2%
S 15 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like83°
  • WindS 15 mph
  • Humidity
    Humidity57%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover76%
  • Rain drop
    Rain Amount0 in

5 pm

Mostly Cloudy Day Mostly Cloudy
81°
Rain drop 1%
S 14 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like83°
  • WindS 14 mph
  • Humidity
    Humidity55%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover65%
  • Rain drop
    Rain Amount0 in

6 pm

Mostly Cloudy Day Mostly Cloudy
79°
Rain drop 1%
S 14 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like82°
  • WindS 14 mph
  • Humidity
    Humidity55%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover65%
  • Rain drop
    Rain Amount0 in

7 pm

Partly Cloudy Day Partly Cloudy
77°
Rain drop 6%
S 11 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like80°
  • WindS 11 mph
  • Humidity
    Humidity59%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover59%
  • Rain drop
    Rain Amount0 in
Advertisement

8 pm

Mostly Cloudy Night Mostly Cloudy
75°
Rain drop 7%
S 9 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like75°
  • WindS 9 mph
  • Humidity
    Humidity63%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover68%
  • Rain drop
    Rain Amount0 in

9 pm

Mostly Cloudy Night Mostly Cloudy
74°
Rain drop 11%
S 10 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like74°
  • WindS 10 mph
  • Humidity
    Humidity65%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover77%
  • Rain drop
    Rain Amount0 in

10 pm

Mostly Cloudy Night Mostly Cloudy
72°
Rain drop 10%
S 11 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like72°
  • WindS 11 mph
  • Humidity
    Humidity68%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover66%
  • Rain drop
    Rain Amount0 in

11 pm

Cloudy Cloudy
71°
Rain drop 14%
S 10 mph
Add

Cloudy

  • Temperature feels like
    Feels Like71°
  • WindS 10 mph
  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover91%
  • Rain drop
    Rain Amount0 in

Saturday, April 4

12 am

Scattered Thunderstorms Night Scattered Thunderstorms
70°
Rain drop 57%
S 11 mph
Add

Scattered Thunderstorms

  • Temperature feels like
    Feels Like70°
  • WindS 11 mph
  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover88%
  • Rain drop
    Rain Amount0.06 in

1 am

Thunderstorms Thunderstorms
68°
Rain drop 70%
SSW 11 mph
Add

Thunderstorms

  • Temperature feels like
    Feels Like69°
  • WindSSW 11 mph
  • Humidity
    Humidity78%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover96%
  • Rain drop
    Rain Amount0.16 in

2 am

Thunderstorms Thunderstorms
66°
Rain drop 67%
SW 10 mph
Add

Thunderstorms

  • Temperature feels like
    Feels Like67°
  • WindSW 10 mph
  • Humidity
    Humidity82%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover97%
  • Rain drop
    Rain Amount0.09 in

3 am

Thunderstorms Thunderstorms
65°
Rain drop 70%
SW 8 mph
Add

Thunderstorms

  • Temperature feels like
    Feels Like65°
  • WindSW 8 mph
  • Humidity
    Humidity87%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover99%
  • Rain drop
    Rain Amount0.06 in

4 am

Rain Rain
63°
Rain drop 65%
WSW 8 mph
Add

Rain

  • Temperature feels like
    Feels Like62°
  • WindWSW 8 mph
  • Humidity
    Humidity90%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.06 in

5 am

Rain Rain
62°
Rain drop 68%
WSW 8 mph
Add

Rain

  • Temperature feels like
    Feels Like61°
  • WindWSW 8 mph
  • Humidity
    Humidity87%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.06 in

6 am

Showers Showers
60°
Rain drop 44%
W 8 mph
Add

Showers

  • Temperature feels like
    Feels Like59°
  • WindW 8 mph
  • Humidity
    Humidity91%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover99%
  • Rain drop
    Rain Amount0.02 in

7 am

Showers Showers
58°
Rain drop 36%
W 8 mph
Add

Showers

  • Temperature feels like
    Feels Like56°
  • WindW 8 mph
  • Humidity
    Humidity91%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover94%
  • Rain drop
    Rain Amount0.01 in
Advertisement

8 am

Showers Showers
56°
Rain drop 55%
WNW 8 mph
Add

Showers

  • Temperature feels like
    Feels Like54°
  • WindWNW 8 mph
  • Humidity
    Humidity90%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.03 in

9 am

Showers Showers
55°
Rain drop 45%
WNW 10 mph
Add

Showers

  • Temperature feels like
    Feels Like52°
  • WindWNW 10 mph
  • Humidity
    Humidity87%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.01 in

10 am

Cloudy Cloudy
54°
Rain drop 24%
WNW 13 mph
Add

Cloudy

  • Temperature feels like
    Feels Like50°
  • WindWNW 13 mph
  • Humidity
    Humidity82%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover99%
  • Rain drop
    Rain Amount0 in

11 am

Cloudy Cloudy
53°
Rain drop 8%
WNW 13 mph
Add

Cloudy

  • Temperature feels like
    Feels Like49°
  • WindWNW 13 mph
  • Humidity
    Humidity77%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover92%
  • Rain drop
    Rain Amount0 in

12 pm

Cloudy Cloudy
53°
Rain drop 6%
WNW 14 mph
Add

Cloudy

  • Temperature feels like
    Feels Like48°
  • WindWNW 14 mph
  • Humidity
    Humidity73%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover88%
  • Rain drop
    Rain Amount0 in

1 pm

Cloudy Cloudy
52°
Rain drop 1%
WNW 14 mph
Add

Cloudy

  • Temperature feels like
    Feels Like48°
  • WindWNW 14 mph
  • Humidity
    Humidity70%
  • UV index
    UV Index4 of 11
  • Cloud
    Cloud Cover83%
  • Rain drop
    Rain Amount0 in
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