Prospect, IL Weather Forecast
Local 7-day forecast
Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Prospect, IL in one place.
Clear, with a low around 43. Southwest wind around 8 mph, with gusts as high as 17 mph.
Local Weather Overview
This forecast page for Prospect, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Nov 9, 2026 10:11 PM CST.
The active forecast window currently covers Nov 9 to Nov 16, 2026 for Prospect, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 9 to Nov 16, 2026
- Latest sync
- Nov 9, 2026 10:11 PM CST
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Prospect
Tuesday looks like the warmest upcoming period in Prospect at 65 degrees F.
Friday Night is the coolest period ahead with temperatures near 26 degrees F.
The strongest winds are forecast for Thursday at about 14 to 17 mph NNW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 9, 2026 10:11 PM CST
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Sunny. High near 65, with temperatures falling to around 58 in the afternoon. West northwest wind 1 to 5 mph.
Partly cloudy, with a low around 41. East northeast wind around 2 mph.
A chance of showers and thunderstorms after noon. Partly sunny. High near 62, with temperatures falling to around 55 in the afternoon. South southwest wind 2 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of rain showers. Mostly cloudy, with a low around 40. North northwest wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers. Partly sunny, with a high near 47. North northwest wind 14 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Mostly cloudy, with a low around 29. North northwest wind 12 to 16 mph, with gusts as high as 22 mph.
Mostly sunny, with a high near 43.
Partly cloudy, with a low around 26.
Sunny, with a high near 45.
Mostly clear, with a low around 29.
A slight chance of rain after noon. Sunny, with a high near 50.
Partly cloudy, with a low around 36.
Mostly sunny, with a high near 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tonight
Nov 9
|
Clear
|
43°F |
8 mph
SW
|
|
Tuesday
Nov 10
|
Sunny
|
65°F |
1 to 5 mph
WNW
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
41°F |
2 mph
ENE
|
|
Veterans Day
Nov 11
|
Partly Sunny then Chance Showers And Thunderstorms
|
62°F |
2 to 10 mph
SSW
|
|
Wednesday Night
Nov 11
|
Chance Rain Showers
|
40°F |
14 mph
NNW
|
|
Thursday
Nov 12
|
Chance Rain Showers
|
47°F |
14 to 17 mph
NNW
|
|
Thursday Night
Nov 12
|
Mostly Cloudy
|
29°F |
12 to 16 mph
NNW
|
|
Friday
Nov 13
|
Mostly Sunny
|
43°F |
8 to 13 mph
NNW
|
|
Friday Night
Nov 13
|
Partly Cloudy
|
26°F |
7 mph
NW
|
|
Saturday
Nov 14
|
Sunny
|
45°F |
5 mph
NW
|
|
Saturday Night
Nov 14
|
Mostly Clear
|
29°F |
2 mph
W
|
|
Sunday
Nov 15
|
Sunny then Slight Chance Light Rain
|
50°F |
2 to 7 mph
S
|
|
Sunday Night
Nov 15
|
Partly Cloudy
|
36°F |
5 mph
SSE
|
|
Monday
Nov 16
|
Mostly Sunny
|
57°F |
6 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Prospect.