Petersburg, Illinois Weather
No Watches or Warnings for Petersburg
Issued: 2:31 pm CST Dec 17, 2025 Latitude: 38.5922715 Longitude: -89.9212127 View on Google Maps
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Current Conditions at
SCOTT AFB - (KBLV)
52°
Mostly Cloudy
as of 1:55 PM CST
Rel. Humidity: 50%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
2 MPH
220° Southwest
Cloud Level(s): Scattered at 4000ft, Broken at 12000ft
Current Conditions at
EAST ST LOUIS - (KCPS)
55°
Clear
as of 1:53 PM CST
Rel. Humidity: 47%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Cloud Level(s): Clear
Current Conditions at
ALTON - (KALN)
54°
Clear
as of 1:50 PM CST
Rel. Humidity: 50%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
5 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
55°
Mostly Cloudy
as of 1:51 PM CST
Rel. Humidity: 50%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
3 MPH
150° Southeast
Cloud Level(s): Few at 20000ft, Broken at 25000ft
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This Afternoon... Sunny, with a high near 54. Calm wind becoming southeast 5 to 7 mph. |
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Tonight... Isolated showers before 3am, then isolated showers after 5am. Increasing clouds, with a temperature rising to around 52 by 4am. South wind 8 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 20%. |
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Thursday... Showers and possibly a thunderstorm before 1pm, then scattered showers between 1pm and 3pm. Temperature falling to around 44 by 5pm. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. |
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Thursday Night... Mostly clear, with a low around 25. Breezy, with a west wind 14 to 21 mph, with gusts as high as 32 mph. |
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Friday... Sunny, with a high near 39. West wind 7 to 11 mph becoming south in the afternoon. Winds could gust as high as 20 mph. |
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Friday Night... Partly cloudy, with a low around 33. |
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Saturday... Mostly sunny, with a high near 56. |
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Saturday Night... Partly cloudy, with a low around 26. |
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Sunday... Mostly sunny, with a high near 43. |
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Sunday Night... Mostly cloudy, with a low around 29. |
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Monday... Partly sunny, with a high near 47. |
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Monday Night... Mostly cloudy, with a low around 41. |
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Tuesday... A 20 percent chance of rain. Partly sunny, with a high near 59. |
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Current Radar Image
Sun Almanac for Petersburg, Illinois
Sunrise: 07:12 AM
Sunset: 4:40 PM
Civil Sunrise:06:42 AM
Civil Sunset: 5:10 PM
Nautical Sunrise: 06:09 AM
Nautical Sunset: 5:43 PM
Astro Sunrise: 05:36 AM
Astro Sunset: 6:16 PM
Illinois' Current Temperatures
Illinois' Satellite Image
Illinois' Current Wind Direction
| National Summary |
of upper and lower values of current conditions amongst 7094 locations
in the contiguous United States |
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High
Temp |
82° |
29 Palms, California
and 1 other location
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Low
Temp |
14° |
Solon Springs, Wisconsin
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Wind
Speed |
62mph |
Cutbank, Montana
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Wind
Gust |
84mph |
Cutbank, Montana
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Wind
Chill |
12° |
Berthoud Pass, Colorado
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High
Pressure |
30.27Hg |
Brookings Arpt, Oregon
and 1 other location
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Low
Pressure |
28.94Hg |
Scobey, Montana
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| # Locations Reporting Snow |
7 |
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| # Locations Reporting Rain |
51 |
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| # Locations Reporting Thunderstorms / Lightning |
1 |
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| # Locations Reporting Fog |
6 |
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| Average Temperature in the Contiguous USA |
53° |
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National Weather Service for official information.
