Hourly Weather Forecast for O'Fallon, Illinois 62269 - The Weather Channel | Weather.com
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Hourly Weather-

As of 12:17 am CDT
alertLevel3

Wind Advisory

Sunday, March 15

1 am

Mostly Clear Night Mostly Clear
54°
Rain drop 2%
SSE 8 mph
Subtract

Mostly Clear

  • Temperature feels like
    Feels Like52°
  • WindSSE 8 mph
  • Humidity
    Humidity68%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover28%
  • Rain drop
    Rain Amount0 in

1:15 am

Mostly Clear Night Mostly Clear
54°
Rain drop 2%
SSE 8 mph

2 am

Mostly Clear Night Mostly Clear
55°
Rain drop 2%
S 8 mph
Add

Mostly Clear

  • Temperature feels like
    Feels Like53°
  • WindS 8 mph
  • Humidity
    Humidity69%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover20%
  • Rain drop
    Rain Amount0 in

3 am

Partly Cloudy Night Partly Cloudy
55°
Rain drop 2%
S 10 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like52°
  • WindS 10 mph
  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover35%
  • Rain drop
    Rain Amount0 in

4 am

Cloudy Cloudy
56°
Rain drop 2%
S 12 mph
Add

Cloudy

  • Temperature feels like
    Feels Like54°
  • WindS 12 mph
  • Humidity
    Humidity72%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover84%
  • Rain drop
    Rain Amount0 in

5 am

Cloudy Cloudy
57°
Rain drop 2%
S 14 mph
Add

Cloudy

  • Temperature feels like
    Feels Like54°
  • WindS 14 mph
  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover97%
  • Rain drop
    Rain Amount0 in

6 am

Cloudy Cloudy
57°
Rain drop 2%
S 16 mph
Add

Cloudy

  • Temperature feels like
    Feels Like54°
  • WindS 16 mph
  • Humidity
    Humidity72%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover97%
  • Rain drop
    Rain Amount0 in
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7 am

Cloudy Cloudy
58°
Rain drop 9%
S 17 mph
Add

Cloudy

  • Temperature feels like
    Feels Like55°
  • WindS 17 mph
  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover97%
  • Rain drop
    Rain Amount0 in

8 am

Cloudy Cloudy
59°
Rain drop 17%
S 19 mph
Add

Cloudy

  • Temperature feels like
    Feels Like56°
  • WindS 19 mph
  • Humidity
    Humidity72%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover98%
  • Rain drop
    Rain Amount0 in

9 am

Windy Cloudy/Wind
61°
Rain drop 23%
S 21 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like57°
  • WindS 21 mph
  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover99%
  • Rain drop
    Rain Amount0 in

10 am

Windy Cloudy/Wind
63°
Rain drop 18%
S 22 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like60°
  • WindS 22 mph
  • Humidity
    Humidity72%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover97%
  • Rain drop
    Rain Amount0 in

11 am

Windy Cloudy/Wind
65°
Rain drop 10%
SSW 23 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like63°
  • WindSSW 23 mph
  • Humidity
    Humidity70%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover95%
  • Rain drop
    Rain Amount0 in

12 pm

Windy Cloudy/Wind
66°
Rain drop 5%
SSW 25 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like66°
  • WindSSW 25 mph
  • Humidity
    Humidity68%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover97%
  • Rain drop
    Rain Amount0 in

1 pm

Windy Cloudy/Wind
66°
Rain drop 12%
SSW 24 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like66°
  • WindSSW 24 mph
  • Humidity
    Humidity66%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover97%
  • Rain drop
    Rain Amount0 in

2 pm

Scattered Thunderstorms Scattered Strong Storms/Wind
65°
Rain drop 35%
SSW 24 mph
Add

Scattered Strong Storms/Wind

  • Temperature feels like
    Feels Like62°
  • WindSSW 24 mph
  • Humidity
    Humidity66%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover98%
  • Rain drop
    Rain Amount0.01 in

3 pm

Scattered Thunderstorms Scattered Strong Storms/Wind
64°
Rain drop 47%
SSW 23 mph
Add

Scattered Strong Storms/Wind

  • Temperature feels like
    Feels Like61°
  • WindSSW 23 mph
  • Humidity
    Humidity67%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover99%
  • Rain drop
    Rain Amount0.01 in

4 pm

Strong Storms alertLevel3
Strong Storms/Wind
62°
Rain drop 94%
SSW 21 mph
Add

Strong Storms/Wind

  • Temperature feels like
    Feels Like59°
  • WindSSW 21 mph
  • Humidity
    Humidity69%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover98%
  • Rain drop
    Rain Amount0.07 in

5 pm

Strong Storms alertLevel3
Strong Storms/Wind
57°
Rain drop 100%
SW 20 mph
Add

Strong Storms/Wind

  • Temperature feels like
    Feels Like52°
  • WindSW 20 mph
  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover99%
  • Rain drop
    Rain Amount0.16 in

6 pm

Thunderstorms Thunderstorms/Wind
49°
Rain drop 93%
W 23 mph
Add

Thunderstorms/Wind

  • Temperature feels like
    Feels Like41°
  • WindW 23 mph
  • Humidity
    Humidity85%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.06 in
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7 pm

Rain Rain/Wind
45°
Rain drop 78%
WNW 25 mph
Add

Rain/Wind

  • Temperature feels like
    Feels Like36°
  • WindWNW 25 mph
  • Humidity
    Humidity88%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Rain drop
    Rain Amount0.04 in

8 pm

Showers Showers/Wind
42°
Rain drop 53%
WNW 24 mph
Add

Showers/Wind

  • Temperature feels like
    Feels Like32°
  • WindWNW 24 mph
  • Humidity
    Humidity87%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover97%
  • Rain drop
    Rain Amount0.03 in

9 pm

Windy Cloudy/Wind
39°
Rain drop 24%
WNW 24 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like28°
  • WindWNW 24 mph
  • Humidity
    Humidity79%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover97%
  • Mixed precipitation
    Precip Amount0 in

10 pm

Windy Cloudy/Wind
37°
Rain drop 7%
WNW 24 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like26°
  • WindWNW 24 mph
  • Humidity
    Humidity77%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover92%
  • Mixed precipitation
    Precip Amount0 in

11 pm

Windy Cloudy/Wind
36°
Rain drop 19%
WNW 23 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like24°
  • WindWNW 23 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 21%
WNW 23 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like22°
  • WindWNW 23 mph
  • Humidity
    Humidity75%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover97%
  • Mixed precipitation
    Precip Amount0 in

1 am

Windy Cloudy/Wind
33°
Rain drop 6%
WNW 22 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like21°
  • WindWNW 22 mph
  • Humidity
    Humidity72%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover96%
  • Mixed precipitation
    Precip Amount0 in

2 am

Windy Cloudy/Wind
32°
Rain drop 7%
WNW 22 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like19°
  • WindWNW 22 mph
  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover86%
  • Mixed precipitation
    Precip Amount0 in

3 am

Windy Cloudy/Wind
30°
Rain drop 6%
WNW 22 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like17°
  • WindWNW 22 mph
  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover91%
  • Mixed precipitation
    Precip Amount0 in

4 am

Windy Cloudy/Wind
29°
Rain drop 5%
WNW 21 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like16°
  • WindWNW 21 mph
  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover90%
  • Mixed precipitation
    Precip Amount0 in

5 am

Windy Cloudy/Wind
28°
Rain drop 4%
WNW 21 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like14°
  • WindWNW 21 mph
  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover92%
  • Mixed precipitation
    Precip Amount0 in

6 am

Windy Cloudy/Wind
27°
Rain drop 6%
WNW 21 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like13°
  • WindWNW 21 mph
  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover93%
  • Mixed precipitation
    Precip Amount0 in
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7 am

Cloudy Cloudy
25°
Rain drop 4%
WNW 19 mph
Add

Cloudy

  • Temperature feels like
    Feels Like11°
  • WindWNW 19 mph
  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover95%
  • Mixed precipitation
    Precip Amount0 in

8 am

Cloudy Cloudy
24°
Rain drop 12%
WNW 19 mph
Add

Cloudy

  • Temperature feels like
    Feels Like9°
  • WindWNW 19 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover94%
  • Snowflake
    Snow Amount0 in

9 am

Windy Cloudy/Wind
24°
Rain drop 15%
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 Cover94%
  • Snowflake
    Snow Amount0 in

10 am

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

Cloudy/Wind

  • Temperature feels like
    Feels Like11°
  • WindWNW 21 mph
  • Humidity
    Humidity67%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover93%
  • Mixed precipitation
    Precip Amount0 in

11 am

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

Cloudy/Wind

  • Temperature feels like
    Feels Like12°
  • WindWNW 21 mph
  • Humidity
    Humidity63%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover93%
  • Mixed precipitation
    Precip Amount0 in

12 pm

Windy Cloudy/Wind
27°
Rain drop 15%
WNW 23 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like12°
  • WindWNW 23 mph
  • Humidity
    Humidity61%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover90%
  • Mixed precipitation
    Precip Amount0 in

1 pm

Windy Cloudy/Wind
28°
Rain drop 15%
WNW 22 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like14°
  • WindWNW 22 mph
  • Humidity
    Humidity57%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover84%
  • Mixed precipitation
    Precip Amount0 in

2 pm

Windy Mostly Cloudy/Wind
28°
Rain drop 15%
WNW 22 mph
Add

Mostly Cloudy/Wind

  • Temperature feels like
    Feels Like15°
  • WindWNW 22 mph
  • Humidity
    Humidity51%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover78%
  • Mixed precipitation
    Precip Amount0 in

3 pm

Windy Mostly Cloudy/Wind
29°
Rain drop 1%
WNW 21 mph
Add

Mostly Cloudy/Wind

  • Temperature feels like
    Feels Like15°
  • WindWNW 21 mph
  • Humidity
    Humidity49%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover72%
  • Mixed precipitation
    Precip Amount0 in

4 pm

Windy Mostly Cloudy/Wind
29°
Rain drop 0%
WNW 20 mph
Add

Mostly Cloudy/Wind

  • Temperature feels like
    Feels Like16°
  • WindWNW 20 mph
  • Humidity
    Humidity47%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover66%
  • Mixed precipitation
    Precip Amount0 in

5 pm

Partly Cloudy Day Partly Cloudy
30°
Rain drop 0%
WNW 19 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like17°
  • WindWNW 19 mph
  • Humidity
    Humidity47%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover50%
  • Mixed precipitation
    Precip Amount0 in

6 pm

Mostly Clear Day Mostly Sunny
30°
Rain drop 0%
WNW 18 mph
Add

Mostly Sunny

  • Temperature feels like
    Feels Like18°
  • WindWNW 18 mph
  • Humidity
    Humidity46%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover21%
  • Mixed precipitation
    Precip Amount0 in
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7 pm

Mostly Clear Day Mostly Sunny
28°
Rain drop 0%
WNW 16 mph
Add

Mostly Sunny

  • Temperature feels like
    Feels Like17°
  • WindWNW 16 mph
  • Humidity
    Humidity47%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover23%
  • Mixed precipitation
    Precip Amount0 in

8 pm

Mostly Clear Night Mostly Clear
27°
Rain drop 0%
WNW 15 mph
Add

Mostly Clear

  • Temperature feels like
    Feels Like15°
  • WindWNW 15 mph
  • Humidity
    Humidity49%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover20%
  • Mixed precipitation
    Precip Amount0 in

9 pm

Partly Cloudy Night Partly Cloudy
25°
Rain drop 0%
WNW 14 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like13°
  • WindWNW 14 mph
  • Humidity
    Humidity47%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover33%
  • Mixed precipitation
    Precip Amount0 in

10 pm

Clear Night Clear
24°
Rain drop 0%
WNW 13 mph
Add

Clear

  • Temperature feels like
    Feels Like13°
  • WindWNW 13 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover16%
  • Snowflake
    Snow Amount0 in

11 pm

Clear Night Clear
23°
Rain drop 0%
WNW 13 mph
Add

Clear

  • Temperature feels like
    Feels Like11°
  • WindWNW 13 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover14%
  • Snowflake
    Snow Amount0 in

Tuesday, March 17

12 am

Clear Night Clear
22°
Rain drop 0%
NW 13 mph
Add

Clear

  • Temperature feels like
    Feels Like9°
  • WindNW 13 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover8%
  • Snowflake
    Snow Amount0 in
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