• Today

    Jul 23

    95°Lo 77°

    Very hot with clouds and sun

    Fair for lawn mowing
    • Hours of Precip
      0
    • Precip
      6%
    • Hi
      RealFeel
      115°
  • Sun

    Jul 24

    97°Lo 75°

    Partly sunny and very hot

    Fair for lawn mowing
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      116°
    more
  • Mon

    Jul 25

    89°Lo 72°

    A couple of p.m. t-storms

    Fair for lawn mowing
    • Hours of Precip
      2
    • Precip
      61%
    • Hi
      RealFeel
      105°
    more
  • Tue

    Jul 26

    89°Lo 72°

    An a.m. t-storm; partly sunny

    Fair for lawn mowing
    • Hours of Precip
      0.5
    • Precip
      51%
    • Hi
      RealFeel
      104°
    more
  • Wed

    Jul 27

    88°Lo 72°

    Periods of sun with a t-storm

    Good for lawn mowing
    • Hours of Precip
      6
    • Precip
      55%
    • Hi
      RealFeel
      103°
    more
Next Previous
Hi 95° RealFeel® 115° Precipitation 6%

Day

N

E

S

W

  • ESE 5 mph
  • Gusts: 8 mph

Very hot with clouds and sunshine

  • Max UV Index: 7 (High)
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 77° RealFeel® 84° Precipitation 15%

Night

N

E

S

W

  • SSE 6 mph
  • Gusts: 8 mph

Partly cloudy, very warm and very humid

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

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

By the numbers: Recapping the week's stifling central US heat

July 23, 2016; 12:02 PM ET

Stifling heat has been baking the central United States but will finally ease across northern areas this weekend. more >

Current Drought Status

Current Soil Conditions

Sat. Overnight Freeze

Sat. Degree Days

Sat. Evapotranspiration