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As of 02:55 CDT

Weather in Lyndon, IL

74°Current weather

Lyndon, Tuesday, 13 October, 02:55

Clear. Feels like 74°. High 80°, low 66°.

Pressure29.74 inHg
Wind11.6 mph W
Humidity68%
Visibility6.2 mi
Dew point62°
Wed, 1473° / 60°0.21Rain
73 °Rain

Lyndon, Wednesday, 14 October

Rain. High 73°, low 60°.

Pressure30.09 inHg
Wind8.6 mph NE
Humidity63%
Visibility6.2 mi
Dew point54°
Thu, 1562° / 56°1.27Heavy rain
62 °Heavy rain

Lyndon, Thursday, 15 October

Heavy rain. High 62°, low 56°.

Pressure30.03 inHg
Wind8.6 mph E
Humidity91%
Visibility3.8 mi
Dew point57°
Fri, 1656° / 47°0.01Light rain
56 °Light rain

Lyndon, Friday, 16 October

Light rain. High 56°, low 47°.

Pressure30.30 inHg
Wind22.5 mph NW
Humidity54%
Visibility6.2 mi
Dew point38°
Sat, 1759° / 38°0Clear
59 °Clear

Lyndon, Saturday, 17 October

Clear. High 59°, low 38°.

Pressure30.47 inHg
Wind11 mph SW
Humidity41%
Visibility—
Dew point31°
Sun, 1863° / 46°0Overcast
63 °Overcast

Lyndon, Sunday, 18 October

Overcast. High 63°, low 46°.

Pressure30.21 inHg
Wind13.9 mph SW
Humidity48%
Visibility—
Dew point40°
Mon, 1957° / 47°0.11Light rain
57 °Light rain

Lyndon, Monday, 19 October

Light rain. High 57°, low 47°.

Pressure30.21 inHg
Wind8 mph S
Humidity59%
Visibility—
Dew point42°
Tue, 2060° / 51°0.18Light rain
60 °Light rain

Lyndon, Tuesday, 20 October

Light rain. High 60°, low 51°.

Pressure30.18 inHg
Wind9.2 mph SE
Humidity88%
Visibility—
Dew point54°
Wed, 2169° / 59°0.08Light rain
69 °Light rain

Lyndon, Wednesday, 21 October

Light rain. High 69°, low 59°.

Pressure30.15 inHg
Wind15.1 mph S
Humidity74%
Visibility—
Dew point59°
Thu, 2274° / 61°0.04Light rain
74 °Light rain

Lyndon, Thursday, 22 October

Light rain. High 74°, low 61°.

Pressure29.94 inHg
Wind23.6 mph S
Humidity66%
Visibility—
Dew point60°
Fri, 2367° / 51°0.33Rain
67 °Rain

Lyndon, Friday, 23 October

Rain. High 67°, low 51°.

Pressure30.06 inHg
Wind29.9 mph S
Humidity57%
Visibility—
Dew point43°
Sat, 2458° / 46°0Mostly clear
58 °Mostly clear

Lyndon, Saturday, 24 October

Mostly clear. High 58°, low 46°.

Pressure30.36 inHg
Wind12.1 mph NW
Humidity44%
Visibility—
Dew point34°
Sun, 2552° / 41°0Light rain
52 °Light rain

Lyndon, Sunday, 25 October

Light rain. High 52°, low 41°.

Pressure30.33 inHg
Wind6.5 mph W
Humidity51%
Visibility—
Dew point32°
Mon, 2656° / 42°0Partly cloudy
56 °Partly cloudy

Lyndon, Monday, 26 October

Partly cloudy. High 56°, low 42°.

Pressure30.06 inHg
Wind10.1 mph W
Humidity58%
Visibility—
Dew point39°
Tue, 2761° / 44°0.04Light rain
61 °Light rain

Lyndon, Tuesday, 27 October

Light rain. High 61°, low 44°.

Pressure29.62 inHg
Wind18 mph NW
Humidity65%
Visibility—
Dew point47°
Wed, 2851° / 45°0Overcast
51 °Overcast

Lyndon, Wednesday, 28 October

Overcast. High 51°, low 45°.

Pressure29.85 inHg
Wind15.9 mph NW
Humidity53%
Visibility—
Dew point34°

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 Lyndon, 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 Lyndon, 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.