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As of 10:05 CDT

Weather in Leland, IL

45°Current weather

Leland, Saturday, 17 October, 10:05

Clear. Feels like 45°. High 53°, low 36°.

Pressure30.53 inHg
Wind1.2 mph NW
Humidity67%
Visibility6.2 mi
Dew point34°
Sun, 1861° / 40°0Clear
61 °Clear

Leland, Sunday, 18 October

Clear. High 61°, low 40°.

Pressure30.45 inHg
Wind13 mph SW
Humidity51%
Visibility6.2 mi
Dew point39°
Mon, 1964° / 41°0Clear
64 °Clear

Leland, Monday, 19 October

Clear. High 64°, low 41°.

Pressure30.39 inHg
Wind4.3 mph S
Humidity56%
Visibility6.2 mi
Dew point44°
Tue, 2065° / 43°0Clear
65 °Clear

Leland, Tuesday, 20 October

Clear. High 65°, low 43°.

Pressure30.39 inHg
Wind5 mph SE
Humidity47%
Visibility6.2 mi
Dew point43°
Wed, 2167° / 47°0Mostly clear
67 °Mostly clear

Leland, Wednesday, 21 October

Mostly clear. High 67°, low 47°.

Pressure30.27 inHg
Wind5.7 mph SW
Humidity47%
Visibility—
Dew point43°
Thu, 2268° / 48°0Clear
68 °Clear

Leland, Thursday, 22 October

Clear. High 68°, low 48°.

Pressure30.27 inHg
Wind5 mph E
Humidity50%
Visibility—
Dew point46°
Fri, 2370° / 51°0Clear
70 °Clear

Leland, Friday, 23 October

Clear. High 70°, low 51°.

Pressure30.18 inHg
Wind9.2 mph SE
Humidity41%
Visibility—
Dew point42°
Sat, 2468° / 54°0Overcast
68 °Overcast

Leland, Saturday, 24 October

Overcast. High 68°, low 54°.

Pressure30.12 inHg
Wind14.3 mph S
Humidity40%
Visibility—
Dew point41°
Sun, 2566° / 52°0Overcast
66 °Overcast

Leland, Sunday, 25 October

Overcast. High 66°, low 52°.

Pressure30.03 inHg
Wind14.4 mph W
Humidity47%
Visibility—
Dew point45°
Mon, 2663° / 46°0Clear
63 °Clear

Leland, Monday, 26 October

Clear. High 63°, low 46°.

Pressure30.21 inHg
Wind7.1 mph SE
Humidity56%
Visibility—
Dew point43°
Tue, 2772° / 53°0Overcast
72 °Overcast

Leland, Tuesday, 27 October

Overcast. High 72°, low 53°.

Pressure30.00 inHg
Wind16 mph S
Humidity51%
Visibility—
Dew point51°
Wed, 2865° / 59°0.24Rain
65 °Rain

Leland, Wednesday, 28 October

Rain. High 65°, low 59°.

Pressure29.88 inHg
Wind18.1 mph SW
Humidity69%
Visibility—
Dew point53°
Thu, 2961° / 47°0.02Light rain
61 °Light rain

Leland, Thursday, 29 October

Light rain. High 61°, low 47°.

Pressure30.12 inHg
Wind17.5 mph NW
Humidity47%
Visibility—
Dew point38°
Fri, 3069° / 53°0.46Rain
69 °Rain

Leland, Friday, 30 October

Rain. High 69°, low 53°.

Pressure29.77 inHg
Wind20 mph S
Humidity95%
Visibility—
Dew point60°
Sat, 3170° / 49°0.13Light rain
70 °Light rain

Leland, Saturday, 31 October

Light rain. High 70°, low 49°.

Pressure29.65 inHg
Wind26 mph SW
Humidity55%
Visibility—
Dew point44°
Sun, 0157° / 42°0Overcast
57 °Overcast

Leland, Sunday, 1 November

Overcast. High 57°, low 42°.

Pressure30.18 inHg
Wind9.4 mph W
Humidity36%
Visibility—
Dew point27°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Leland, IL are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Leland, IL since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.