Harvey, IL Weather Forecast

Local 7-day forecast

46°
F

Rain Showers

Track current conditions, temperature changes, wind, and the full daily outlook for Harvey, IL in one place.

Thursday, November 12, 2026
Wind: 15 to 20 mph N
Thursday

Rain showers. Mostly cloudy. High near 46, with temperatures falling to around 44 in the afternoon. North wind 15 to 20 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.

Local 7-day forecast

Local Weather Overview

This forecast page for Harvey, 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 11, 2026 8:40 AM CST.

The active forecast window currently covers Nov 12 to Nov 17, 2026 for Harvey, IL.

Page Snapshot

Page focus
city weather
Forecast window
Nov 12 to Nov 17, 2026
Latest sync
Nov 11, 2026 8:40 AM CST
Forecast office
LOT
Source
NOAA / NWS
Next High
46°F
Thursday
Next Low
34°F
Thursday Night
Rain Outlook
3
Periods mentioning precipitation
Windiest
15 to 20 mph
Thursday

Daily Outlook

Today
Nov 12
Rain Showers
46 °F
/ 34°F
Wind 15 to 20 mph
Fri
Nov 13
Chance Snow Showers
43 °F
/ 30°F
Wind 10 to 15 mph
Sat
Nov 14
Mostly Sunny
45 °F
/ 30°F
Wind 5 mph
Sun
Nov 15
Mostly Sunny
48 °F
/ 31°F
Wind 0 mph
Mon
Nov 16
Mostly Sunny
48 °F
/ 31°F
Wind 0 mph
Tue
Nov 17
Sunny
50 °F
/ 32°F
Wind 0 to 5 mph

This Week in Harvey

Tuesday looks like the warmest upcoming period in Harvey at 50 degrees F.

Friday Night is the coolest period ahead with temperatures near 30 degrees F.

The strongest winds are forecast for Thursday at about 15 to 20 mph N.

Precipitation is mentioned in 3 upcoming forecast periods.

Forecast Details

Last updated
Nov 11, 2026 8:40 AM CST
Coverage
7 days
Time zone
America/Chicago
Forecast office
LOT
Radar station
KLOT

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Thursday Night
Nov 12
34°F
Chance Rain Showers then Chance Snow Showers
10 to 15 mph NNW

A chance of rain showers before midnight, then a chance of snow showers. Mostly cloudy, with a low around 34. North northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

Friday
Nov 13
43°F
Chance Snow Showers
10 to 15 mph NW

A chance of snow showers before 9am, then a chance of rain and snow showers. Mostly sunny, with a high near 43. Northwest wind 10 to 15 mph. Chance of precipitation is 30%.

Friday Night
Nov 13
30°F
Partly Cloudy
5 to 10 mph NW

Partly cloudy, with a low around 30.

Saturday
Nov 14
45°F
Mostly Sunny
5 mph NNW

Mostly sunny, with a high near 45.

Saturday Night
Nov 14
30°F
Partly Cloudy
0 mph

Partly cloudy, with a low around 30.

Sunday
Nov 15
48°F
Mostly Sunny
0 mph

Mostly sunny, with a high near 48.

Sunday Night
Nov 15
31°F
Partly Cloudy
0 mph

Partly cloudy, with a low around 31.

Monday
Nov 16
48°F
Mostly Sunny
0 mph

Mostly sunny, with a high near 48.

Monday Night
Nov 16
31°F
Partly Cloudy
0 mph

Partly cloudy, with a low around 31.

Tuesday
Nov 17
50°F
Sunny
0 to 5 mph SSE

Sunny, with a high near 50.

Tuesday Night
Nov 17
32°F
Mostly Clear
0 to 5 mph SSE

Mostly clear, with a low around 32.

Detailed Forecast

Period Conditions Temp Wind
Thursday
Nov 12
Rain Showers
46°F
15 to 20 mph
N
Thursday Night
Nov 12
Chance Rain Showers then Chance Snow Showers
34°F
10 to 15 mph
NNW
Friday
Nov 13
Chance Snow Showers
43°F
10 to 15 mph
NW
Friday Night
Nov 13
Partly Cloudy
30°F
5 to 10 mph
NW
Saturday
Nov 14
Mostly Sunny
45°F
5 mph
NNW
Saturday Night
Nov 14
Partly Cloudy
30°F
0 mph
Sunday
Nov 15
Mostly Sunny
48°F
0 mph
Sunday Night
Nov 15
Partly Cloudy
31°F
0 mph
Monday
Nov 16
Mostly Sunny
48°F
0 mph
Monday Night
Nov 16
Partly Cloudy
31°F
0 mph
Tuesday
Nov 17
Sunny
50°F
0 to 5 mph
SSE
Tuesday Night
Nov 17
Mostly Clear
32°F
0 to 5 mph
SSE
Harvey 154th %26 Center
Harvey 154th %26 Center image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.