Heathercrest, IL Weather Forecast

Local 7-day forecast

80°
F

Showers And Thunderstorms then Chance Showers And Thunderstorms

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

Tuesday, September 15, 2026
Wind: 10 to 15 mph SW
Tuesday

Showers and thunderstorms before 10am, then a chance of showers and thunderstorms. Mostly cloudy. High near 80, with temperatures falling to around 78 in the afternoon. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Local 7-day forecast

Local Weather Overview

This forecast page for Heathercrest, 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: Sep 15, 2026 12:27 AM CDT.

The active forecast window currently covers Sep 15 to Sep 21, 2026 for Heathercrest, IL.

Page Snapshot

Page focus
city weather
Forecast window
Sep 15 to Sep 21, 2026
Latest sync
Sep 15, 2026 12:27 AM CDT
Forecast office
LOT
Source
NOAA / NWS
Next High
80°F
Tuesday
Next Low
64°F
Tuesday Night
Rain Outlook
13
Periods mentioning precipitation
Windiest
10 to 15 mph
Tuesday

Daily Outlook

Today
Sep 15
Showers And Thunderstorms then Chance Showers And Thunderstorms
80 °F
/ 64°F
Wind 10 to 15 mph
Wed
Sep 16
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
71 °F
/ 67°F
Wind 5 to 10 mph
Thu
Sep 17
Showers And Thunderstorms Likely
76 °F
/ 65°F
Wind 0 to 5 mph
Fri
Sep 18
Chance Rain Showers
78 °F
/ 67°F
Wind 5 to 10 mph
Sat
Sep 19
Chance Showers And Thunderstorms
82 °F
/ 65°F
Wind 10 to 15 mph
Sun
Sep 20
Chance Rain Showers
76 °F
/ 61°F
Wind 10 mph
Mon
Sep 21
Chance Rain Showers then Slight Chance Showers And Thunderstorms
74 °F
Wind 10 mph

This Week in Heathercrest

Saturday looks like the warmest upcoming period in Heathercrest at 82 degrees F.

Sunday Night is the coolest period ahead with temperatures near 61 degrees F.

The strongest winds are forecast for Tuesday at about 10 to 15 mph SW.

Precipitation is mentioned in 13 upcoming forecast periods.

Forecast Details

Last updated
Sep 15, 2026 12:27 AM CDT
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

Tuesday Night
Sep 15
64°F
Chance Showers And Thunderstorms
5 to 10 mph NNW

A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. North northwest wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Wednesday
Sep 16
71°F
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
5 to 10 mph NE

A slight chance of showers and thunderstorms before 7am, then showers and thunderstorms likely between 7am and 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 71. Northeast wind 5 to 10 mph. Chance of precipitation is 60%.

Wednesday Night
Sep 16
67°F
Chance Showers And Thunderstorms
0 to 10 mph ESE

A chance of showers and thunderstorms before 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 67. East southeast wind 0 to 10 mph. Chance of precipitation is 60%.

Thursday
Sep 17
76°F
Showers And Thunderstorms Likely
0 to 5 mph NW

Showers and thunderstorms likely before 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.

Thursday Night
Sep 17
65°F
Mostly Cloudy then Chance Rain Showers
5 mph NE

A chance of rain showers after 1am. Mostly cloudy, with a low around 65.

Friday
Sep 18
78°F
Chance Rain Showers
5 to 10 mph E

A chance of rain showers. Partly sunny, with a high near 78.

Friday Night
Sep 18
67°F
Chance Showers And Thunderstorms
5 to 10 mph SE

A slight chance of rain showers before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67.

Saturday
Sep 19
82°F
Chance Showers And Thunderstorms
10 to 15 mph SW

A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 82.

Saturday Night
Sep 19
65°F
Chance Showers And Thunderstorms
5 to 10 mph NNW

A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65.

Sunday
Sep 20
76°F
Chance Rain Showers
10 mph NE

A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 76.

Sunday Night
Sep 20
61°F
Chance Showers And Thunderstorms
5 to 10 mph NE

A chance of showers and thunderstorms. Mostly cloudy, with a low around 61.

Monday
Sep 21
74°F
Chance Rain Showers then Slight Chance Showers And Thunderstorms
10 mph ENE

A chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 74.

Detailed Forecast

Period Conditions Temp Wind
Tuesday
Sep 15
Showers And Thunderstorms then Chance Showers And Thunderstorms
80°F
10 to 15 mph
SW
Tuesday Night
Sep 15
Chance Showers And Thunderstorms
64°F
5 to 10 mph
NNW
Wednesday
Sep 16
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
71°F
5 to 10 mph
NE
Wednesday Night
Sep 16
Chance Showers And Thunderstorms
67°F
0 to 10 mph
ESE
Thursday
Sep 17
Showers And Thunderstorms Likely
76°F
0 to 5 mph
NW
Thursday Night
Sep 17
Mostly Cloudy then Chance Rain Showers
65°F
5 mph
NE
Friday
Sep 18
Chance Rain Showers
78°F
5 to 10 mph
E
Friday Night
Sep 18
Chance Showers And Thunderstorms
67°F
5 to 10 mph
SE
Saturday
Sep 19
Chance Showers And Thunderstorms
82°F
10 to 15 mph
SW
Saturday Night
Sep 19
Chance Showers And Thunderstorms
65°F
5 to 10 mph
NNW
Sunday
Sep 20
Chance Rain Showers
76°F
10 mph
NE
Sunday Night
Sep 20
Chance Showers And Thunderstorms
61°F
5 to 10 mph
NE
Monday
Sep 21
Chance Rain Showers then Slight Chance Showers And Thunderstorms
74°F
10 mph
ENE
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.