St Louis
Tours Tours Things To See Things To See Weather Forecast

Weather Forecast for St Louis

Missouri, United States of America

select dropwdown icon
Share
Clear

Current Weather - St Louis: -4°C

Missouri, United States of America

Clear

Feels like -9°C

Wind

19 km/h N

Humidity

53%

Pressure

1028 mb

UV Index

0

Visibility

10 km
Partly Cloudy

Partly Cloudy

Friday, January 23, 2026

High

-9°C

Low

-13°C

Rain Chance

0%

Hourly Forecast

Clear -11°C
07:00
Sunny -12°C
08:00
Sunny -12°C
09:00
Sunny -11°C
10:00
Sunny -11°C
11:00
Partly Cloudy -10°C
12:00
Partly Cloudy -10°C
13:00
Overcast -11°C
14:00
Overcast -10°C
15:00
Partly Cloudy -10°C
16:00
Sunny -11°C
17:00
Partly Cloudy -11°C
18:00
Overcast -12°C
19:00
Overcast -12°C
20:00
Overcast -13°C
21:00
Partly Cloudy -13°C
22:00
Cloudy -13°C
23:00
Jan 24

Day Statistics

Maximum Wind

28 km/h

Humidity

33%

Precipitation

0 mm

UV Index

0

Visibility

10 km

Rain Chance

0%

Snow Chance

0%

Sun & Moon

Sunrise

07:13 AM

Sunset

05:13 PM

Moonrise

09:44 AM

Moonset

10:31 PM

Moon Phase

Waxing Crescent

Moon Illumination

18%

Air Quality

PM2.5

6.6

μg/m³

PM10

6.9

μg/m³

NO₂

21.9

μg/m³

O₃

47.6

μg/m³

SO₂

3.6

μg/m³

CO

278.5

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Weather Alerts

Cold Weather Advisory issued January 22 at 1:16PM CST until January 24 at 12:00PM CST by NWS St Louis MO

Clinton; Marion; Washington; Randolph; St. Clair; Monroe; Moniteau; Cole; Osage; Gasconade; St. Charles; Franklin; St. Louis; St. Louis City; Jefferson; Crawford; Washington; St. Francois; Ste. Genevieve; Iron; Madison; Reynolds Jan 22, 01:16 PM - Jan 23, 04:30 AM
Severity: Moderate Urgency: Expected

* WHAT...Very cold wind chills as low as 15 below expected. * WHERE...Portions of south central and southwest Illinois and central, east central, and southeast Missouri. * WHEN...From midnight Friday Night to noon CST Saturday. * IMPACTS...The dangerously cold wind chills as low as 15 below zero could result in hypothermia or frostbite if precautions are not taken.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.

Event: Cold Weather Advisory Certainty: Likely Category: Met

Winter Storm Warning issued January 22 at 1:15PM CST until January 25 at 6:00PM CST by NWS St Louis MO

Bond; Fayette; Clinton; Marion; Washington; Randolph; Madison; St. Clair; Monroe; Boone; Moniteau; Cole; Osage; Callaway; Montgomery; Gasconade; Warren; St. Charles; Franklin; St. Louis; St. Louis City; Jefferson; Crawford; Washington; St. Francois; Ste. Genevieve; Iron; Madison; Reynolds Jan 22, 01:15 PM - Jan 23, 04:15 AM
Severity: Severe Urgency: Expected

* WHAT...Heavy snow expected. Total snow accumulations between 5 and 10 inches with locally higher amounts possible. * WHERE...Portions of south central and southwest Illinois and central, east central, and southeast Missouri. * WHEN...From midnight Friday Night to 6 PM CST Sunday. * IMPACTS...Travel could be very difficult to impossible.

The rapid accumulation of snow will make travel extremely difficult, if not impossible. If travel is necessary, be sure to exercise extreme caution. If you must travel, keep an extra flashlight, food and water in your vehicle in case of an emergency. In Illinois, the latest road conditions can be obtained at www.gettingaroundillinois.com. In Missouri, the latest road conditions can be obtained at traveler.modot.org/map or by calling 1-888-275-6636.

Event: Winter Storm Warning Certainty: Likely Category: Met

Winter Storm Watch issued January 22 at 1:15PM CST until January 25 at 6:00PM CST by NWS St Louis MO

Greene; Macoupin; Montgomery; Pike; Calhoun; Jersey; Monroe; Ralls; Pike; Audrain; Lincoln Jan 22, 01:15 PM - Jan 23, 04:15 AM
Severity: Severe Urgency: Future

* WHAT...Heavy snow possible. Total snow accumulations between 3 and 7 inches possible. * WHERE...Portions of south central, southwest, and west central Illinois and central, east central, and northeast Missouri. * WHEN...From late Friday night through Sunday afternoon. * IMPACTS...Travel could be very difficult.

Monitor the latest forecasts for updates on this situation.

Event: Winter Storm Watch Certainty: Possible Category: Met