Potomac, Illinois Weather
No Watches or Warnings for Potomac
Issued: 1:11 pm CST Dec 17, 2025 Latitude: 40.305036 Longitude: -87.8005829 View on Google Maps
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Current Conditions at
DANVILLE - (KDNV)
43°
Clear
as of 12:55 PM CST
Rel. Humidity: 65%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Cloud Level(s): Clear
Current Conditions at
RANTOUL - (KTIP)
39°
Clear
as of 12:55 PM CST
Rel. Humidity: 75%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Cloud Level(s): Clear
Current Conditions at
CHAMPAIGN - (KCMI)
37°
Clear
as of 12:53 PM CST
Rel. Humidity: 86%
Dew Point: 34°F
Visibility: 9 Miles
Pressure: 30.02 in.
Flight Rule: VFR
Wind Data
3 MPH
220° Southwest
Cloud Level(s): Clear
Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
41°
Clear
as of 12:55 PM CST
Rel. Humidity: 70%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Cloud Level(s): Clear
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This Afternoon... Partly sunny, with a high near 42. Light and variable wind becoming southeast around 5 mph. |
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Tonight... A 40 percent chance of showers after 3am. Increasing clouds, with a temperature rising to around 46 by 5am. Breezy, with a south wind 7 to 12 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 34 mph. |
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Thursday... Showers, mainly before 3pm. Temperature rising to near 49 by 9am, then falling to around 38 during the remainder of the day. Breezy, with a south wind 16 to 23 mph becoming west in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible. |
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Thursday Night... A chance of rain and snow showers before midnight, then a chance of flurries between midnight and 3am. Mostly cloudy, with a low around 15. Wind chill values between -1 and 9. Breezy, with a west wind 14 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. |
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Friday... Mostly sunny, with a high near 29. West wind 13 to 18 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 28 mph. |
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Friday Night... Partly cloudy, with a low around 22. South wind 6 to 16 mph, with gusts as high as 25 mph. |
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Saturday... Mostly cloudy, with a high near 46. South wind 9 to 16 mph becoming west in the afternoon. Winds could gust as high as 26 mph. |
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Saturday Night... Partly cloudy, with a low around 20. |
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Sunday... Sunny, with a high near 35. |
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Sunday Night... Mostly cloudy, with a low around 22. |
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Monday... Partly sunny, with a high near 41. |
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Monday Night... Mostly cloudy, with a low around 32. |
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Tuesday... Mostly cloudy, with a high near 48. |
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Current Radar Image
Sun Almanac for Potomac, Illinois
Sunrise: 07:08 AM
Sunset: 4:27 PM
Civil Sunrise:06:38 AM
Civil Sunset: 4:57 PM
Nautical Sunrise: 06:04 AM
Nautical Sunset: 5:32 PM
Astro Sunrise: 05:30 AM
Astro Sunset: 6:05 PM
Illinois' Current Temperatures
Illinois' Satellite Image
Illinois' Current Wind Direction
| National Summary |
of upper and lower values of current conditions amongst 5141 locations
in the contiguous United States |
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High
Temp |
81° |
Placida, Florida
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Low
Temp |
14° |
Solon Springs, Wisconsin
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Wind
Speed |
47mph |
Billings, Montana
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Wind
Gust |
64mph |
Spearfish/Clyde Ice, South Dakota
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Wind
Chill |
1° |
Solon Springs, Wisconsin
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High
Pressure |
30.31Hg |
Big Bear City, California
|
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Low
Pressure |
28.96Hg |
Malta, Montana
|
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| # Locations Reporting Snow |
1 |
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| # Locations Reporting Rain |
32 |
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| # Locations Reporting Fog |
6 |
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| Average Temperature in the Contiguous USA |
51° |
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National Weather Service for official information.
