Gold Key Lake · first 14 days — live forecast · rest of month — climate corridor
🗺️ 14-day forecast map
Gold Key Lake & neighbors — hit play
Every city on the map carries real forecast data from the same models as its city page, refreshed several times a day. The icon is the day's overall look; the number is the afternoon high.
Next 14 days at a glance
from the model forecast
Hottest day
33°
Thu, Sep 10
Coldest night
12°
Mon, Sep 7
Days with precip
8 / 14
of 14 forecast days
Nicest day
Mon, Sep 7
mild, dry, light wind
The next 4 weekends
plan ahead
Sat 29 – Sun 30 Aug
28° 13°
57% precip chance
Sat 5 – Sun 6 Sep
16° 12°
47% precip chance
Sat 12 – Sun 13 Sep
25° 15°
typical range
Sat 19 – Sun 20 Sep
24° 13°
typical range
30 days — Gold Key Lake
14 forecast + 16 climatology
Fri · Today Heavy rain
28°17°111.5 mm⌄
Wind7 mph N
Gusts18 mph
UV index7 – High
Precip chance84%
Sunrise06:22
Sunset19:39
Sat · Tomorrow Sunny
27°13°6%⌄
Wind7 mph W
Gusts15 mph
UV index7 – High
Precip chance6%
Sunrise06:23
Sunset19:38
Sunday 30/8 Sunny
28°14°1.7 mm⌄
Wind11 mph SW
Gusts17 mph
UV index7 – High
Precip chance57%
Sunrise06:24
Sunset19:36
Monday 31/8 Mostly cloudy
31°20°1.5 mm⌄
Wind10 mph SW
Gusts27 mph
UV index8 – Very high
Precip chance61%
Sunrise06:25
Sunset19:34
Tuesday 1/9 Showers
30°19°9.0 mm⌄
Wind9 mph NW
Gusts30 mph
UV index8 – Very high
Precip chance84%
Sunrise06:26
Sunset19:33
Wednesday 2/9 Showers
24°18°24.1 mm⌄
Wind7 mph SE
Gusts28 mph
UV index5 – Moderate
Precip chance93%
Sunrise06:27
Sunset19:31
Thursday 3/9 Mostly cloudy
29°19°0.9 mm⌄
Wind9 mph NW
Gusts26 mph
UV index6 – High
Precip chance64%
Sunrise06:28
Sunset19:29
Friday 4/9 Mostly cloudy
24°15°12%⌄
Wind9 mph N
Gusts28 mph
UV index5 – Moderate
Precip chance12%
Sunrise06:29
Sunset19:28
Saturday 5/9 Mostly cloudy
16°13°28%⌄
Wind5 mph NE
Gusts13 mph
UV index4 – Moderate
Precip chance28%
Sunrise06:30
Sunset19:26
Sunday 6/9 Showers
14°12°0.3 mm⌄
Wind5 mph E
Gusts16 mph
UV index3 – Moderate
Precip chance47%
Sunrise06:31
Sunset19:24
Monday 7/9 Mostly cloudy
20°12°21%⌄
Wind8 mph S
Gusts11 mph
UV index5 – Moderate
Precip chance21%
Sunrise06:32
Sunset19:23
Tuesday 8/9 Fog
23°14°1.7 mm⌄
Wind9 mph SW
Gusts21 mph
UV index6 – High
Precip chance73%
Sunrise06:33
Sunset19:21
Wednesday 9/9 Mostly cloudy
31°19°3.1 mm⌄
Wind7 mph SW
Gusts24 mph
UV index7 – High
Precip chance82%
Sunrise06:34
Sunset19:19
Thursday 10/9 Fog
33°23°0.9 mm⌄
Wind9 mph SW
Gusts21 mph
UV index8 – Very high
Precip chance57%
Sunrise06:35
Sunset19:18
Friday 11/9 Rain (climatological)
21°12°35.0 mm⌄
Day≈18–24°
Night≈9–15°
Precip≈11.8 in / September
(climatological)Typical range for these dates · 1991–2020
Saturday 12/9 Partly cloudy (climatological)
25°15°20%⌄
Day≈22–28°
Night≈12–18°
Precip≈11.8 in / September
(climatological)Typical range for these dates · 1991–2020
Sunday 13/9 Partly cloudy (climatological)
25°15°20%⌄
Day≈22–28°
Night≈12–18°
Precip≈11.8 in / September
(climatological)Typical range for these dates · 1991–2020
Monday 14/9 Rain (climatological)
23°13°21.0 mm⌄
Day≈20–26°
Night≈10–16°
Precip≈11.8 in / September
(climatological)Typical range for these dates · 1991–2020
Tuesday 15/9 Partly cloudy (climatological)
21°12°20%⌄
Day≈18–24°
Night≈9–15°
Precip≈11.8 in / September
(climatological)Typical range for these dates · 1991–2020
Wednesday 16/9 Partly cloudy (climatological)
18°11°20%⌄
Day≈15–21°
Night≈8–14°
Precip≈11.8 in / September
(climatological)Typical range for these dates · 1991–2020
Thursday 17/9 Rain (climatological)
18°10°30.0 mm⌄
Day≈15–21°
Night≈7–13°
Precip≈11.8 in / September
(climatological)Typical range for these dates · 1991–2020
Friday 18/9 Partly cloudy (climatological)
22°13°20%⌄
Day≈19–25°
Night≈10–16°
Precip≈11.8 in / September
(climatological)Typical range for these dates · 1991–2020
Saturday 19/9 Partly cloudy (climatological)
22°13°20%⌄
Day≈19–25°
Night≈10–16°
Precip≈11.8 in / September
(climatological)Typical range for these dates · 1991–2020
Sunday 20/9 Rain (climatological)
24°14°33.0 mm⌄
Day≈21–27°
Night≈11–17°
Precip≈11.8 in / September
(climatological)Typical range for these dates · 1991–2020
Monday 21/9 Partly cloudy (climatological)
22°13°20%⌄
Day≈19–25°
Night≈10–16°
Precip≈11.8 in / September
(climatological)Typical range for these dates · 1991–2020
Tuesday 22/9 Partly cloudy (climatological)
21°12°20%⌄
Day≈18–24°
Night≈9–15°
Precip≈11.8 in / September
(climatological)Typical range for these dates · 1991–2020
Wednesday 23/9 Rain (climatological)
20°11°33.0 mm⌄
Day≈17–23°
Night≈8–14°
Precip≈11.8 in / September
(climatological)Typical range for these dates · 1991–2020
Thursday 24/9 Partly cloudy (climatological)
19°11°20%⌄
Day≈16–22°
Night≈8–14°
Precip≈11.8 in / September
(climatological)Typical range for these dates · 1991–2020
Friday 25/9 Partly cloudy (climatological)
20°12°20%⌄
Day≈17–23°
Night≈9–15°
Precip≈11.8 in / September
(climatological)Typical range for these dates · 1991–2020
Saturday 26/9 Rain (climatological)
23°13°26.0 mm⌄
Day≈20–26°
Night≈10–16°
Precip≈11.8 in / September
(climatological)Typical range for these dates · 1991–2020
How does a 30-day outlook work?
The first 14 days are a live model forecast. The back half of the month shows the typical range for those dates — useful for planning, not a literal prediction.
First 14 days: a real forecast, blended from NBM, ECMWF and GFS runs. Trust it most inside three days; by the second week treat it as a lean, not a promise.
Rest of the month: past day 14 we stop pretending to forecast and switch to the climate corridor — the range those dates have produced over three decades computed directly for Gold Key Lake, with mild week-to-week wiggle.
Good question for this page: "Is late August usually humid in Chicago?" Bad question: "Do I need an umbrella on the 29th?" — three weeks out no one knows, and that's the honest answer.