O'Fallon, IL 10-Day Weather Forecast

Saint Clair County1:53 AM CDT38.59°N, 89.91°WElevation 548 ft

Overview

  1. SatOct 24 Mostly Sunny Mostly Sunny49°76°
  2. TodayOct 25 Partly Sunny Partly Sunny52°78°
  3. MonOct 26 Partly Sunny Partly Sunny51°77°
  4. TueOct 27 Partly Sunny Partly Sunny52°76°
  5. WedOct 28 Mostly Sunny Mostly Sunny54°80°
  6. ThuOct 29 Sunny Sunny55°82°
  7. FriOct 30 Mostly Sunny Mostly Sunny57°81°
  8. SatOct 31 Cloudy Cloudy0.15 in57°77°
  9. SunNov 1 Rain Rain0.48 in63°76°
  10. MonNov 2 Heavy rain Heavy rain0.47 in66°74°

Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.

Saturday October 24

Mostly Sunny
This Afternoon
High 76°
Mostly Sunny

Mostly sunny, with a high near 76. Southeast wind around 6 mph.

Precip 1%Wind SE 6 mph
Partly Cloudy
Tonight
Low 49°
Partly Cloudy

Partly cloudy, with a low around 49. Southeast wind around 3 mph.

Precip 1%Wind SE 3 mph
Rain/precip total0.00 in
Gusts to8 mph
UV index4 Moderate
Sunrise7:18 AM
Sunset6:11 PM
Daylight10 h 52 min
Moon Waxing Gibbous (97%)

Today October 25

Partly Sunny
Sunday
High 78°
Partly Sunny

Partly sunny, with a high near 78. Southeast wind around 3 mph.

Precip 1%Wind SE 3 mph
Mostly Cloudy
Sunday Night
Low 52°
Mostly Cloudy

Mostly cloudy, with a low around 52. Southeast wind around 2 mph.

Precip 1%Wind SE 2 mph
Rain/precip total0.00 in
Gusts to6 mph
UV index5 Moderate
Sunrise7:19 AM
Sunset6:09 PM
Daylight10 h 49 min
Moon Full Moon (100%)

Tomorrow October 26

Partly Sunny
Monday
High 77°
Partly Sunny

Partly sunny, with a high near 77. Southwest wind around 3 mph.

Precip 0%Wind SW 3 mph
Partly Cloudy
Monday Night
Low 51°
Partly Cloudy

Partly cloudy, with a low around 51.

Precip 0%Wind S 2 mph
Rain/precip total0.00 in
Gusts to6 mph
UV index4 Moderate
Sunrise7:21 AM
Sunset6:08 PM
Daylight10 h 47 min
Moon Full Moon (100%)

Tuesday October 27

Partly Sunny
Tuesday
High 76°
Partly Sunny

Partly sunny, with a high near 76.

Precip 0%Wind S 1 to 6 mph
Mostly Cloudy
Tuesday Night
Low 52°
Mostly Cloudy

Mostly cloudy, with a low around 52.

Precip 0%Wind S 5 mph
Rain/precip total0.00 in
Gusts to9 mph
UV index0 Low
Sunrise7:22 AM
Sunset6:07 PM
Daylight10 h 45 min
Moon Waning Gibbous (97%)

Wednesday October 28

Mostly Sunny
Wednesday
High 80°
Mostly Sunny

Mostly sunny, with a high near 80.

Precip 0%Wind S 2 to 8 mph
Mostly Clear
Wednesday Night
Low 54°
Mostly Clear

Mostly clear, with a low around 54.

Precip 1%Wind S 3 to 7 mph
Rain/precip total0.00 in
Gusts to13 mph
Sunrise7:23 AM
Sunset6:06 PM
Daylight10 h 42 min
Moon Waning Gibbous (92%)

Thursday October 29

Sunny
Thursday
High 82°
Sunny

Sunny, with a high near 82.

Precip 1%Wind S 3 to 8 mph
Mostly Clear
Thursday Night
Low 55°
Mostly Clear

Mostly clear, with a low around 55.

Precip 8%Wind S 3 to 7 mph
Rain/precip total0.00 in
Gusts to12 mph
Sunrise7:24 AM
Sunset6:04 PM
Daylight10 h 40 min
Moon Waning Gibbous (84%)

Friday October 30

Mostly Sunny
Friday
High 81°
Mostly Sunny

Mostly sunny, with a high near 81.

Precip 8%Wind S 3 to 9 mph
Mostly Cloudy
Friday Night
Low 57°
Mostly Cloudy

Mostly cloudy, with a low around 57.

Precip 9%Wind S 7 mph
Rain/precip total0.00 in
Gusts to13 mph
Sunrise7:25 AM
Sunset6:03 PM
Daylight10 h 38 min
Moon Waning Gibbous (75%)

Saturday October 31

Extended outlook
Cloudy
Saturday
High 77°
Cloudy
Rain
Saturday Night
Low 57°
Rain
Rain/precip total0.15 in
Sunrise7:26 AM
Sunset6:02 PM
Daylight10 h 36 min
Moon Waning Gibbous (64%)

Sunday November 1

Extended outlook
Rain
Sunday
High 76°
Rain
Heavy rain
Sunday Night
Low 63°
Heavy rain
Rain/precip total0.48 in
Sunrise6:27 AM
Sunset5:01 PM
Daylight10 h 34 min
Moon Last Quarter (52%)

Monday November 2

Extended outlook
Heavy rain
Monday
High 74°
Heavy rain
Cloudy
Monday Night
Low 66°
Cloudy
Rain/precip total0.47 in
Sunrise6:28 AM
Sunset5:00 PM
Daylight10 h 31 min
Moon Last Quarter (41%)

National Weather Service forecast updated 11 hrs ago.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.