Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Lake-effect snow to create whiteouts, dangerous travel. See the details. Chevron right

Petersburg, IL

26°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Petersburg

Illinois

26°
No results found.
Try searching for a city, zip code or point of interest.
settings
Petersburg, IL Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel

For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center

Today WinterCast Hourly

Daily

Radar MinuteCast® Monthly Air Quality Health & Activities
Winter Weather Advisory

November 28 - January 11

Fri 11/28

38° /31°
4%

WinterCast

1 - 3 in

Sat, 11/29, 4:00 AM - Sat, 11/29, 1:00 PM

Snow

Cold with sun followed by increasing clouds
alerts

Winter Weather Advisory

12:00 AM Saturday - 12:00 AM Sunday

RealFeel®39°

RealFeel Shade™35°

Max UV Index2.0 (Low)

WindW 6 mph

Sat 11/29

40° /26°
93%

WinterCast

1 - 3 in

Sat, 11/29, 4:00 AM - Sat, 11/29, 1:00 PM

Snow

Trace - 0.05 in

Sat, 11/29, 9:00 AM - Sat, 11/29, 1:00 PM

Ice

Cold; a wintry mix in the morning, up to 1" followed by afternoon rain; storm total 1-3"; slippery travel and low visibility; heavier snow north of the city
alerts

Winter Weather Advisory

12:00 AM Saturday - 12:00 AM Sunday

RealFeel®25°

RealFeel Shade™25°

Max UV Index1.0 (Low)

WindSSE 15 mph

Sun 11/30

30° /18°
2%
Breezy in the morning; otherwise, cloudy and very cold

RealFeel®18°

RealFeel Shade™18°

Max UV Index1.0 (Low)

WindNW 14 mph

Mon 12/1

27° /21°
65%
Cloudy and quite cold; intermittent snow and flurries in the afternoon

RealFeel®25°

RealFeel Shade™25°

Max UV Index1.0 (Low)

WindENE 6 mph

Tue 12/2

32° /23°
60%
Intermittent snow and flurries in the morning; otherwise, remaining cloudy and cold

RealFeel®25°

RealFeel Shade™25°

Max UV Index1.0 (Low)

WindNNW 8 mph

Wed 12/3

43° /25°
12%
Not as cold with times of sun and clouds

RealFeel®44°

RealFeel Shade™43°

Max UV Index2.0 (Low)

WindS 6 mph

Thu 12/4

36° /26°
6%
Cold; low clouds in the morning followed by clouds breaking for some sun

RealFeel®43°

RealFeel Shade™41°

Max UV Index1.0 (Low)

WindW 2 mph

Fri 12/5

41° /27°
3%
Sunny

RealFeel®38°

RealFeel Shade™35°

Max UV Index2.0 (Low)

WindW 9 mph

Sat 12/6

48° /34°
49%
Partial sunshine with a stray shower in the afternoon

RealFeel®43°

RealFeel Shade™41°

Max UV Index2.0 (Low)

WindSE 9 mph

Sun 12/7

50° /29°
75%
Rain

RealFeel®41°

RealFeel Shade™41°

Max UV Index1.0 (Low)

WindSSW 14 mph

Mon 12/8

42° /26°
12%
Morning low clouds followed by clouds giving way to some sun

RealFeel®46°

RealFeel Shade™45°

Max UV Index1.0 (Low)

WindNW 5 mph

Tue 12/9

39° /27°
1%
Brilliant sunshine

RealFeel®47°

RealFeel Shade™42°

Max UV Index2.0 (Low)

WindN 4 mph

Wed 12/10

41° /31°
3%
Plenty of sunshine

RealFeel®32°

RealFeel Shade™30°

Max UV Index2.0 (Low)

WindSSE 15 mph

Thu 12/11

47° /28°
25%
After a cloudy start, sun returns

RealFeel®39°

RealFeel Shade™38°

Max UV Index1.0 (Low)

WindNW 14 mph

Fri 12/12

36° /20°
20%
Colder with increasing cloudiness

RealFeel®45°

RealFeel Shade™40°

Max UV Index2.0 (Low)

WindWSW 4 mph

Sat 12/13

39° /34°
25%
After a cloudy start, sunshine returns

RealFeel®32°

RealFeel Shade™32°

Max UV Index1.0 (Low)

WindSSW 12 mph

Sun 12/14

52° /36°
20%
Mostly sunny

RealFeel®53°

RealFeel Shade™50°

Max UV Index2.0 (Low)

WindWSW 7 mph

Mon 12/15

53° /37°
25%
Cloudy

RealFeel®50°

RealFeel Shade™50°

Max UV Index1.0 (Low)

WindS 7 mph

Tue 12/16

54° /36°
20%
Mostly sunny

RealFeel®56°

RealFeel Shade™52°

Max UV Index2.0 (Low)

WindW 6 mph

Wed 12/17

52° /36°
10%
Sunny much of the time

RealFeel®48°

RealFeel Shade™45°

Max UV Index2.0 (Low)

WindSSW 13 mph

Thu 12/18

54° /31°
20%
Plenty of sunshine

RealFeel®48°

RealFeel Shade™46°

Max UV Index2.0 (Low)

WindWNW 15 mph

Fri 12/19

40° /30°
25%
Cloudy and cooler

RealFeel®38°

RealFeel Shade™38°

Max UV Index1.0 (Low)

WindS 6 mph

Sat 12/20

45° /19°
65%
A mix of snow and rain

RealFeel®47°

RealFeel Shade™47°

Max UV Index1.0 (Low)

WindNE 6 mph

Sun 12/21

37° /19°
5%
Plenty of sunshine

RealFeel®39°

RealFeel Shade™35°

Max UV Index2.0 (Low)

WindW 6 mph

Mon 12/22

36° /28°
20%
Mostly sunny

RealFeel®27°

RealFeel Shade™25°

Max UV Index2.0 (Low)

WindS 14 mph

Tue 12/23

44° /27°
20%
Not as cold with plenty of sunshine

RealFeel®42°

RealFeel Shade™39°

Max UV Index2.0 (Low)

WindW 8 mph

Wed 12/24

37° /25°
20%
Plenty of sunshine

RealFeel®43°

RealFeel Shade™38°

Max UV Index2.0 (Low)

WindSW 5 mph

Thu 12/25

45° /18°
25%
Intervals of clouds and sunshine

RealFeel®40°

RealFeel Shade™40°

Max UV Index1.0 (Low)

WindSW 10 mph

Fri 12/26

47° /16°
25%
Intervals of clouds and sunshine

RealFeel®42°

RealFeel Shade™42°

Max UV Index2.0 (Low)

WindN 12 mph

Sat 12/27

32° /17°
20%
Colder with plenty of sun

RealFeel®36°

RealFeel Shade™33°

Max UV Index2.0 (Low)

WindNNE 5 mph

Sun 12/28

33° /24°
25%
Cloudy

RealFeel®30°

RealFeel Shade™30°

Max UV Index1.0 (Low)

WindSE 7 mph

Mon 12/29

35° /32°
63%
Cloudy with a little snow mixing with, then changing to rain late in the day

RealFeel®32°

RealFeel Shade™32°

Max UV Index1.0 (Low)

WindSW 7 mph

Tue 12/30

40° /32°
55%
A little rain in the morning; otherwise, cloudy

RealFeel®35°

RealFeel Shade™35°

Max UV Index1.0 (Low)

WindS 7 mph

Wed 12/31

49° /31°
25%
Cloudy and not as cool

RealFeel®51°

RealFeel Shade™51°

Max UV Index1.0 (Low)

WindNW 5 mph

Thu 1/1

46° /30°
25%
Cloudy

RealFeel®41°

RealFeel Shade™41°

Max UV Index1.0 (Low)

WindNW 10 mph

Fri 1/2

40° /28°
25%
Cloudy

RealFeel®38°

RealFeel Shade™38°

Max UV Index1.0 (Low)

WindENE 6 mph

Sat 1/3

40° /32°
25%
Cloudy

RealFeel®39°

RealFeel Shade™39°

Max UV Index1.0 (Low)

WindNNE 5 mph

Sun 1/4

43° /33°
75%
Rain and freezing rain in the morning; remaining cloudy with a couple of showers in the afternoon

RealFeel®46°

RealFeel Shade™46°

Max UV Index1.0 (Low)

WindSSE 5 mph

Mon 1/5

49° /29°
20%
Partly sunny

RealFeel®49°

RealFeel Shade™45°

Max UV Index2.0 (Low)

WindWNW 8 mph

Tue 1/6

41° /21°
20%
Mostly sunny

RealFeel®40°

RealFeel Shade™37°

Max UV Index2.0 (Low)

WindNNW 7 mph

Wed 1/7

33° /16°
55%
Considerable cloudiness and colder with occasional snow and flurries, mainly early, a stray flurry late in the day

RealFeel®29°

RealFeel Shade™29°

Max UV Index1.0 (Low)

WindNNW 7 mph

Thu 1/8

31° /17°
25%
Mostly cloudy

RealFeel®31°

RealFeel Shade™31°

Max UV Index2.0 (Low)

WindWSW 6 mph

Fri 1/9

34° /13°
55%
Mostly cloudy; a couple of morning flurries followed by a bit of snow in the afternoon

RealFeel®35°

RealFeel Shade™35°

Max UV Index1.0 (Low)

WindW 6 mph

Sat 1/10

32° /27°
1%
Times of clouds and sun

RealFeel®26°

RealFeel Shade™25°

Max UV Index2.0 (Low)

WindN 9 mph

Sun 1/11

38° /30°
40%
Partly sunny with a shower in places in the afternoon

RealFeel®32°

RealFeel Shade™29°

Max UV Index2.0 (Low)

WindSE 10 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather News

Magnitude 6.0 earthquake shakes Alaska on Thanksgiving morning

11 hours ago

Winter Weather

Lake-effect snow to create dangerous travel, whiteouts near Great Lake...

13 hours ago

Severe Weather

Firefighters responding to lightning strike forced to shelter from tor...

1 day ago

Winter Weather

Weekend winter storm to blanket Chicago, St. Louis, Detroit in snow

12 hours ago

Skiers injured and rescued after avalanche on Austrian ski resort

18 hours ago 0:24
More Stories

Featured Stories

Astronomy

NASA Mars spacecraft flip maneuver challenges theory of underground la...

18 hours ago

Recreation

National Parks to cost as much as Disney for some guests in 2026

1 day ago

Weather News

President pardons Gobble and Waddle, two lucky Thanksgiving turkeys

1 day ago

Astronomy

NASA reduces Boeing’s Starliner missions after fumbled test flight

2 days ago

Weather News

This volcano erupted for the first time in 10,000 years

2 days ago

World North America United States Illinois Petersburg

Weather Near Petersburg:

  • O'Fallon, MO
  • St. Charles, MO
  • St. Louis, MO
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2025 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | Do Not Sell My Data checkmark Confirmed Not Selling Your Data | Data Sources

...

...

...