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As of 18:34 CDT

Weather in Thomson, IL

75°Current weather

Thomson, Saturday, 10 October, 18:34

Overcast. Feels like 75°. High 82°, low 59°.

Pressure29.97 inHg
Wind8.1 mph SE
Humidity53%
Visibility6.2 mi
Dew point57°
Sun, 1179° / 56°0Clear
79 °Clear

Thomson, Sunday, 11 October

Clear. High 79°, low 56°.

Pressure29.94 inHg
Wind7.9 mph S
Humidity62%
Visibility6.2 mi
Dew point57°
Mon, 1281° / 64°0Overcast
81 °Overcast

Thomson, Monday, 12 October

Overcast. High 81°, low 64°.

Pressure29.80 inHg
Wind11.1 mph SW
Humidity64%
Visibility6.2 mi
Dew point65°
Tue, 1376° / 65°0Clear
76 °Clear

Thomson, Tuesday, 13 October

Clear. High 76°, low 65°.

Pressure29.85 inHg
Wind8.5 mph NW
Humidity71%
Visibility6.2 mi
Dew point63°
Wed, 1468° / 59°0.38Rain
68 °Rain

Thomson, Wednesday, 14 October

Rain. High 68°, low 59°.

Pressure30.09 inHg
Wind7.3 mph N
Humidity67%
Visibility6.2 mi
Dew point55°
Thu, 1558° / 54°0.49Rain
58 °Rain

Thomson, Thursday, 15 October

Rain. High 58°, low 54°.

Pressure30.24 inHg
Wind10.6 mph E
Humidity91%
Visibility—
Dew point54°
Fri, 1654° / 36°0Partly cloudy
54 °Partly cloudy

Thomson, Friday, 16 October

Partly cloudy. High 54°, low 36°.

Pressure30.09 inHg
Wind21.4 mph W
Humidity60%
Visibility—
Dew point38°
Sat, 1740° / 31°0Light snow
40 °Light snow

Thomson, Saturday, 17 October

Light snow. High 40°, low 31°.

Pressure30.33 inHg
Wind19.6 mph NW
Humidity60%
Visibility—
Dew point24°
Sun, 1844° / 25°0Clear
44 °Clear

Thomson, Sunday, 18 October

Clear. High 44°, low 25°.

Pressure30.62 inHg
Wind11.2 mph N
Humidity38%
Visibility—
Dew point17°
Mon, 1951° / 31°0Overcast
51 °Overcast

Thomson, Monday, 19 October

Overcast. High 51°, low 31°.

Pressure30.56 inHg
Wind14.7 mph S
Humidity33%
Visibility—
Dew point18°
Tue, 2060° / 38°0Clear
60 °Clear

Thomson, Tuesday, 20 October

Clear. High 60°, low 38°.

Pressure30.33 inHg
Wind14.4 mph S
Humidity40%
Visibility—
Dew point31°
Wed, 2165° / 43°0Clear
65 °Clear

Thomson, Wednesday, 21 October

Clear. High 65°, low 43°.

Pressure30.21 inHg
Wind16.7 mph S
Humidity41%
Visibility—
Dew point36°
Thu, 2266° / 49°0.24Rain
66 °Rain

Thomson, Thursday, 22 October

Rain. High 66°, low 49°.

Pressure30.18 inHg
Wind16.9 mph NW
Humidity42%
Visibility—
Dew point39°
Fri, 2348° / 44°0.09Light rain
48 °Light rain

Thomson, Friday, 23 October

Light rain. High 48°, low 44°.

Pressure30.27 inHg
Wind13 mph NW
Humidity77%
Visibility—
Dew point38°
Sat, 2458° / 44°0Overcast
58 °Overcast

Thomson, Saturday, 24 October

Overcast. High 58°, low 44°.

Pressure30.21 inHg
Wind8.5 mph NE
Humidity60%
Visibility—
Dew point41°
Sun, 2561° / 44°0Overcast
61 °Overcast

Thomson, Sunday, 25 October

Overcast. High 61°, low 44°.

Pressure30.18 inHg
Wind8.5 mph N
Humidity57%
Visibility—
Dew point43°

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 Thomson, 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 Thomson, 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.