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Forest Lake, IL Hourly Weather Forecast

Next 48 Hours

Mon, Jul 20th 2026

A full day of Smoky haze conditions is expected. Warming trend from 61°F to 89°. Breezy wind, shifting from S to W at 10.3 mph, with humidity levels between 46% to 89%, and an avg barometric pressure of 29.83 inHg.
Mon, Jul 20th Temp Humidity Wind (mph) Pressure (inHg) Precip.
2 AM Smoky Haze at 2 AM on Mon, Jul 20th 2026
Smoky Haze
UV: 0
63°F

Feels
53°F
79% 4 S 29.96 9%
3 AM Smoky Haze at 3 AM on Mon, Jul 20th 2026
Smoky Haze
UV: 0
62°F

Feels
53°F
81% 3.6 S 29.95 10%
4 AM Smoky Haze at 4 AM on Mon, Jul 20th 2026
Smoky Haze
UV: 0
62°F

Feels
52°F
83% 4 SSW 29.94 11%
5 AM Smoky Haze at 5 AM on Mon, Jul 20th 2026
Smoky Haze
UV: 0
61°F

Feels
51°F
87% 4.7 SSW 29.93 13%
6 AM Smoky Haze at 6 AM on Mon, Jul 20th 2026
Smoky Haze
UV: 0
61°F

Feels
51°F
89% 4.5 SSW 29.94 13%
7 AM Smoky Haze at 7 AM on Mon, Jul 20th 2026
Smoky Haze
UV: 0.3
65°F

Feels
55°F
88% 4.5 SSW 29.94 12%
8 AM Smoky Haze at 8 AM on Mon, Jul 20th 2026
Smoky Haze
UV: 1
70°F

Feels
59°F
77% 7.2 SSW 29.94 8%
9 AM Smoky Haze at 9 AM on Mon, Jul 20th 2026
Smoky Haze
UV: 2.2
75°F

Feels
63°F
67% 8.3 SSW 29.92 5%
10 AM Smoky Haze at 10 AM on Mon, Jul 20th 2026
Smoky Haze
UV: 3.7
78°F

Feels
71°F
61% 8.9 SW 29.91 3%
11 AM Smoky Haze at 11 AM on Mon, Jul 20th 2026
Smoky Haze
UV: 4.5
86°F

Feels
89°F
53% 9.8 SW 29.89 2%
12 PM Smoky Haze at 12 PM on Mon, Jul 20th 2026
Smoky Haze
UV: 6.7
89°F

Feels
91°F
46% 10.5 SW 29.88 1%
1 PM Sunny at 1 PM on Mon, Jul 20th 2026
Sunny
UV: 6.7
80°F

Feels
79°F
58% 11 SW 29.85 3%
2 PM Sunny at 2 PM on Mon, Jul 20th 2026
Sunny
UV: 6.4
81°F

Feels
83°F
58% 12.8 SW 29.82 3%
3 PM Sunny at 3 PM on Mon, Jul 20th 2026
Sunny
UV: 5.2
82°F

Feels
84°F
59% 14.3 SW 29.79 4%
4 PM Sunny at 4 PM on Mon, Jul 20th 2026
Sunny
UV: 3.6
81°F

Feels
83°F
64% 14.5 SW 29.78 5%
5 PM Partly Cloudy at 5 PM on Mon, Jul 20th 2026
Partly Cloudy
UV: 1.9
80°F

Feels
77°F
71% 13.6 SW 29.76 8%
6 PM Partly Cloudy at 6 PM on Mon, Jul 20th 2026
Partly Cloudy
UV: 0.8
79°F

Feels
76°F
74% 13.6 SSW 29.7 9%
7 PM Sunny at 7 PM on Mon, Jul 20th 2026
Sunny
UV: 0.3
78°F

Feels
71°F
77% 12.8 SSW 29.66 8%
8 PM Partly Cloudy at 8 PM on Mon, Jul 20th 2026
Partly Cloudy
UV: 0
76°F

Feels
61°F
83% 14.1 SW 29.67 13%
9 PM Scattered Thunderstorms at 9 PM on Mon, Jul 20th 2026
Scattered Thunderstorms
UV: 0
76°F

Feels
60°F
87% 15.4 SW 29.7 16%
10 PM Scattered Thunderstorms at 10 PM on Mon, Jul 20th 2026
Scattered Thunderstorms
UV: 0
77°F

Feels
62°F
83% 18.8 WSW 29.69 14%
11 PM Clear at 11 PM on Mon, Jul 20th 2026
Clear
UV: 0
75°F

Feels
59°F
73% 16.3 W 29.68 7%

Tue, Jul 21st 2026

Skies will shift from Sunny skies to Clear conditions as the day goes on. Warming trend from 62°F to 81°. Breezy wind, shifting from WSW to NNE at 12.6 mph, as humidity fluctuates between 54% to 93%, and an avg barometric pressure of 29.73 inHg.
Tue, Jul 21st Temp Humidity Wind (mph) Pressure (inHg) Precip.
12 AM Partly Cloudy at 12 AM on Tue, Jul 21st 2026
Partly Cloudy
UV: 0
73°F

Feels
60°F
89% 11 WSW 29.66 15%
1 AM Clear at 1 AM on Tue, Jul 21st 2026
Clear
UV: 0
74°F

Feels
59°F
87% 13 WSW 29.64 12%
2 AM Clear at 2 AM on Tue, Jul 21st 2026
Clear
UV: 0
73°F

Feels
57°F
80% 15.9 W 29.65 10%
3 AM Clear at 3 AM on Tue, Jul 21st 2026
Clear
UV: 0
73°F

Feels
58°F
76% 14.1 W 29.63 8%
4 AM Scattered Showers at 4 AM on Tue, Jul 21st 2026
Scattered Showers
UV: 0
72°F

Feels
58°F
82% 12.8 W 29.61 24%
5 AM Clear at 5 AM on Tue, Jul 21st 2026
Clear
UV: 0
71°F

Feels
57°F
90% 10.5 W 29.61 15%
6 AM Sunny at 6 AM on Tue, Jul 21st 2026
Sunny
UV: 0
70°F

Feels
58°F
93% 9.4 W 29.62 15%
7 AM Partly Cloudy at 7 AM on Tue, Jul 21st 2026
Partly Cloudy
UV: 0.4
71°F

Feels
60°F
90% 7.8 W 29.64 15%
8 AM Sunny at 8 AM on Tue, Jul 21st 2026
Sunny
UV: 1.3
74°F

Feels
62°F
76% 8.5 WNW 29.66 8%
9 AM Sunny at 9 AM on Tue, Jul 21st 2026
Sunny
UV: 2.8
76°F

Feels
62°F
64% 11.2 NW 29.68 5%
10 AM Sunny at 10 AM on Tue, Jul 21st 2026
Sunny
UV: 4.7
77°F

Feels
62°F
61% 13.2 NW 29.68 4%
11 AM Sunny at 11 AM on Tue, Jul 21st 2026
Sunny
UV: 6.6
78°F

Feels
68°F
58% 13.9 NW 29.7 3%
12 PM Partly Cloudy at 12 PM on Tue, Jul 21st 2026
Partly Cloudy
UV: 8
80°F

Feels
76°F
55% 13.9 NNW 29.72 5%
1 PM Scattered Showers at 1 PM on Tue, Jul 21st 2026
Scattered Showers
UV: 8.4
81°F

Feels
82°F
54% 14.8 NW 29.73 9%
2 PM Scattered Showers at 2 PM on Tue, Jul 21st 2026
Scattered Showers
UV: 6.5
80°F

Feels
76°F
56% 16.1 NW 29.74 10%
3 PM Scattered Showers at 3 PM on Tue, Jul 21st 2026
Scattered Showers
UV: 5.1
78°F

Feels
65°F
58% 14.5 NW 29.76 12%
4 PM Scattered Showers at 4 PM on Tue, Jul 21st 2026
Scattered Showers
UV: 2.8
77°F

Feels
62°F
59% 14.5 NW 29.76 12%
5 PM Scattered Showers at 5 PM on Tue, Jul 21st 2026
Scattered Showers
UV: 1.7
75°F

Feels
59°F
64% 15.2 NW 29.78 14%
6 PM Scattered Showers at 6 PM on Tue, Jul 21st 2026
Scattered Showers
UV: 0.8
74°F

Feels
58°F
64% 15.4 NNW 29.8 12%
7 PM Partly Cloudy at 7 PM on Tue, Jul 21st 2026
Partly Cloudy
UV: 0.3
72°F

Feels
57°F
64% 13 NNW 29.82 6%
8 PM Sunny at 8 PM on Tue, Jul 21st 2026
Sunny
UV: 0
70°F

Feels
57°F
66% 9.8 NNW 29.84 5%
9 PM Clear at 9 PM on Tue, Jul 21st 2026
Clear
UV: 0
68°F

Feels
55°F
65% 10.3 NNW 29.87 5%
10 PM Partly Cloudy at 10 PM on Tue, Jul 21st 2026
Partly Cloudy
UV: 0
66°F

Feels
53°F
62% 11.2 N 29.91 6%
11 PM Clear at 11 PM on Tue, Jul 21st 2026
Clear
UV: 0
62°F

Feels
47°F
64% 13.4 NNE 29.94 5%

Wed, Jul 22nd 2026

Clear conditions expected later. Temps range from 56° to 58°. Breezy wind from the N at 10.1 mph, while humidity ranges from 67% to 71%, and an avg barometric pressure of 29.98 inHg.
Wed, Jul 22nd Temp Humidity Wind (mph) Pressure (inHg) Precip.
12 AM Clear at 12 AM on Wed, Jul 22nd 2026
Clear
UV: 0
58°F

Feels
45°F
67% 11.4 N 29.97 5%
1 AM Clear at 1 AM on Wed, Jul 22nd 2026
Clear
UV: 0
56°F

Feels
46°F
71% 8.7 N 29.99 6%

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