• Today

    Jul 23

    95°Lo 77°

    Very hot with clouds and sun

    Poor for skiing
    • Rain
      0 in
    • Precip
      6%
    • Hours of Precip
      0
  • Sun

    Jul 24

    97°Lo 75°

    Partly sunny and very hot

    Poor for skiing
    • Rain
      0 in
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Mon

    Jul 25

    89°Lo 72°

    A couple of p.m. t-storms

    Poor for skiing
    • Rain
      0.20 in
    • Precip
      61%
    • Hours of Precip
      2
    more
  • Tue

    Jul 26

    89°Lo 72°

    An a.m. t-storm; partly sunny

    Poor for skiing
    • Rain
      0.05 in
    • Precip
      51%
    • Hours of Precip
      0.5
    more
  • Wed

    Jul 27

    88°Lo 72°

    Periods of sun with a t-storm

    Poor for skiing
    • Rain
      0.55 in
    • Precip
      55%
    • Hours of Precip
      6
    more
Next Previous
Next 8 hours >
  Sat
11am
12pm 1pm 2pm 3pm 4pm 5pm 6pm
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Forecast
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 89° 91° 92° 94° 95° 95° 95° 93°
RealFeel® 110° 110° 112° 114° 113° 110° 108° 106°
Humidity 68% 62% 59% 58% 56% 53% 55% 59%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Wind (mph) 4 SSE 5 SSE 5 SSE 5 SE 6 ESE 6 ESE 6 ESE 6 ESE
UV Index 6 7 7 7 6 4 3 1
Cloud Cover 34% 46% 46% 46% 46% 46% 46% 46%
Dew Point 77° 76° 76° 77° 77° 76° 76° 77°
Middle Grid line 100 F Middle Grid line 95 F Middle Grid line 90 F Middle Grid line 85 F

Temperature History - Jul 23

more Historical Weather Data >
  Today Normal Record 7/23/2015
High 95° 89° N/A 87°
Low 77° 68° N/A 69°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:57 AM with 14:24 of sunlight, then sets at 8:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:47 PM with 12:12 of moolight, then sets at 10:59 AM

O'Fallon Weather Report

Gradual cooldown to bring relief from stifling conditions in the central US

July 23, 2016; 9:05 AM ET

Those looking for a break from the heat across the central United States will be in luck as a slow cooldown is in store starting this weekend. more >

Which Reigns Supreme: Skiing in the East or West?

Feb 15, 2012; 5:00 AM ET As the age-old debate rages on, Violeta Yas asks enthusiasts which they prefer, and why.

Radar & Satellite

48 Hour Precipitation Forecast

Sat. Ski Weather