National Weather Service forecast

Mount Prospect, Illinois Weather

61°Overnight: Rain Showers
Wind S 15 mph
7-DayHourlyRadar

Mount Prospect 7-Day Forecast

  1. Overnight
    61°F
    Rain Showers
    80% chance of precipitation

    Rain showers. Cloudy. Low around 61, with temperatures rising to around 64 overnight. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

  2. Wednesday
    64°F
    Chance Rain Showers
    38% chance of precipitation

    A chance of rain showers before 1pm. Mostly cloudy. High near 64, with temperatures falling to around 56 in the afternoon. South southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

  3. Wednesday Night
    48°F
    Mostly Cloudy
    11% chance of precipitation

    Mostly cloudy, with a low around 48. Southwest wind around 15 mph, with gusts as high as 25 mph.

  4. Thursday
    56°F
    Chance Rain Showers
    45% chance of precipitation

    A chance of rain showers after 10am. Cloudy, with a high near 56. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

  5. Thursday Night
    41°F
    Rain Showers Likely
    60% chance of precipitation

    Rain showers likely. Cloudy, with a low around 41. Northwest wind 10 to 15 mph. Chance of precipitation is 60%.

  6. Friday
    50°F
    Slight Chance Rain Showers then Mostly Cloudy
    15% chance of precipitation

    A slight chance of rain showers before noon. Mostly cloudy, with a high near 50. Chance of precipitation is 20%.

  7. Friday Night
    36°F
    Partly Cloudy
    3% chance of precipitation

    Partly cloudy, with a low around 36.

  8. Saturday
    51°F
    Mostly Sunny
    1% chance of precipitation

    Mostly sunny, with a high near 51.

  9. Saturday Night
    36°F
    Partly Cloudy

    Partly cloudy, with a low around 36.

  10. Sunday
    56°F
    Sunny
    6% chance of precipitation

    Sunny, with a high near 56.

  11. Sunday Night
    37°F
    Mostly Clear
    1% chance of precipitation

    Mostly clear, with a low around 37.

  12. Monday
    60°F
    Sunny

    Sunny, with a high near 60.

  13. Monday Night
    42°F
    Partly Cloudy
    1% chance of precipitation

    Partly cloudy, with a low around 42.

  14. Tuesday
    61°F
    Sunny

    Sunny, with a high near 61.

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

Mount Prospect Hourly Forecast

Loading the next 48 hours…

Full 100+ hour forecast for Mount Prospect

Mount Prospect Weather Radar

Open the full radar for Mount Prospect

About Mount Prospect

Population (2020 Census)
56,852
Coordinates
42.064, -87.937
Elevation
676 ft
NWS forecast office
LOT
Time zone
America/Chicago
Sunrise today
6:28 AM CST
Sunset today
4:42 PM CST
Daylight today
10 h 14 min

Mount Prospect Weather Questions

What is the weather forecast for Mount Prospect, Illinois?

Overnight: Rain showers. Cloudy. Low around 61, with temperatures rising to around 64 overnight. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible. Wednesday: A chance of rain showers before 1pm. Mostly cloudy. High near 64, with temperatures falling to around 56 in the afternoon. South southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Will it rain or snow in Mount Prospect this week?

The best chance of precipitation is Overnight at 80%. Periods with a 30% chance or more: Overnight (80%), Wednesday (38%), Thursday (45%), Thursday Night (60%).

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

The warmest day is Wednesday, with a high near 64°F. The coldest night is Friday Night, with a low near 36°F.

What time are sunrise and sunset in Mount Prospect today?

Sunrise is at 6:28 AM CST and sunset is at 4:42 PM CST, for 10 h 14 min of daylight.

Weather near Mount Prospect

Largest cities in Illinois

All Illinois cities