National Weather Service forecast

Potomac, Illinois Weather

60°Overnight: Light Rain
Wind S 14 to 17 mph
7-DayHourlyRadar

Potomac 7-Day Forecast

  1. Overnight
    60°F
    Light Rain
    89% chance of precipitation

    Rain. Cloudy, with a low around 60. South wind 14 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.

  2. Wednesday
    65°F
    Chance Light Rain then Mostly Cloudy
    38% chance of precipitation

    A chance of rain before noon. Mostly cloudy, with a high near 65. Southwest wind 12 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

  3. Wednesday Night
    47°F
    Mostly Cloudy
    7% chance of precipitation

    Mostly cloudy, with a low around 47. Southwest wind around 10 mph, with gusts as high as 21 mph.

  4. Thursday
    61°F
    Partly Sunny then Slight Chance Light Rain
    17% chance of precipitation

    A slight chance of rain after 4pm. Partly sunny, with a high near 61. West southwest wind 10 to 15 mph, with gusts as high as 22 mph.

  5. Thursday Night
    43°F
    Chance Light Rain
    30% chance of precipitation

    A chance of rain. Mostly cloudy, with a low around 43. West northwest wind 2 to 6 mph. Chance of precipitation is 30%.

  6. Friday
    54°F
    Slight Chance Light Rain then Mostly Cloudy
    15% chance of precipitation

    A slight chance of rain before noon. Mostly cloudy, with a high near 54. North northwest wind around 9 mph, with gusts as high as 16 mph.

  7. Friday Night
    34°F
    Partly Cloudy

    Partly cloudy, with a low around 34. North northwest wind 2 to 7 mph.

  8. Saturday
    53°F
    Sunny

    Sunny, with a high near 53.

  9. Saturday Night
    32°F
    Mostly Clear
    1% chance of precipitation

    Mostly clear, with a low around 32.

  10. Sunday
    59°F
    Sunny
    2% chance of precipitation

    Sunny, with a high near 59.

  11. Sunday Night
    33°F
    Clear

    Clear, with a low around 33.

  12. Monday
    63°F
    Sunny

    Sunny, with a high near 63.

  13. Monday Night
    38°F
    Mostly Clear
    1% chance of precipitation

    Mostly clear, with a low around 38.

  14. Tuesday
    66°F
    Sunny
    1% chance of precipitation

    Sunny, with a high near 66.

Issued by the National Weather Service (ILX office), updated .

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About Potomac

Population (2020 Census)
689
Coordinates
40.307, -87.798
Elevation
673 ft
NWS forecast office
ILX
Time zone
America/Chicago
Sunrise today
6:24 AM CST
Sunset today
4:45 PM CST
Daylight today
10 h 21 min

Potomac Weather Questions

What is the weather forecast for Potomac, Illinois?

Overnight: Rain. Cloudy, with a low around 60. South wind 14 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible. Wednesday: A chance of rain before noon. Mostly cloudy, with a high near 65. Southwest wind 12 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Will it rain or snow in Potomac this week?

The best chance of precipitation is Overnight at 89%. Periods with a 30% chance or more: Overnight (89%), Wednesday (38%), Thursday Night (30%).

How warm and how cold will it get in Potomac this week?

The warmest day is Tuesday, with a high near 66°F. The coldest night is Saturday Night, with a low near 32°F.

What time are sunrise and sunset in Potomac today?

Sunrise is at 6:24 AM CST and sunset is at 4:45 PM CST, for 10 h 21 min of daylight.

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