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As of 23:16 CDT

Weather in Thomson, IL

61°Current weather

Thomson, Friday, 9 October, 23:16

Clear. Feels like 60°. High 72°, low 54°.

Pressure30.00 inHg
Wind0 mph N
Humidity82%
Visibility6.2 mi
Dew point55°
Sat, 1080° / 60°0Overcast
80 °Overcast

Thomson, Saturday, 10 October

Overcast. High 80°, low 60°.

Pressure30.03 inHg
Wind10.8 mph S
Humidity55%
Visibility6.2 mi
Dew point58°
Sun, 1177° / 55°0Clear
77 °Clear

Thomson, Sunday, 11 October

Clear. High 77°, low 55°.

Pressure29.94 inHg
Wind7.2 mph S
Humidity61%
Visibility6.2 mi
Dew point57°
Mon, 1281° / 65°0Clear
81 °Clear

Thomson, Monday, 12 October

Clear. High 81°, low 65°.

Pressure29.80 inHg
Wind11.3 mph SW
Humidity61%
Visibility6.2 mi
Dew point63°
Tue, 1373° / 64°0Partly cloudy
73 °Partly cloudy

Thomson, Tuesday, 13 October

Partly cloudy. High 73°, low 64°.

Pressure29.88 inHg
Wind8.5 mph NW
Humidity72%
Visibility6.2 mi
Dew point62°
Wed, 1467° / 60°0.71Rain
67 °Rain

Thomson, Wednesday, 14 October

Rain. High 67°, low 60°.

Pressure30.09 inHg
Wind9.8 mph NE
Humidity69%
Visibility—
Dew point56°
Thu, 1566° / 53°0.09Light rain
66 °Light rain

Thomson, Thursday, 15 October

Light rain. High 66°, low 53°.

Pressure30.27 inHg
Wind12.7 mph W
Humidity66%
Visibility—
Dew point49°
Fri, 1659° / 45°0Overcast
59 °Overcast

Thomson, Friday, 16 October

Overcast. High 59°, low 45°.

Pressure29.85 inHg
Wind23.3 mph W
Humidity51%
Visibility—
Dew point39°
Sat, 1743° / 34°0.01Light rain
43 °Light rain

Thomson, Saturday, 17 October

Light rain. High 43°, low 34°.

Pressure30.39 inHg
Wind21.1 mph W
Humidity55%
Visibility—
Dew point26°
Sun, 1851° / 30°0Partly cloudy
51 °Partly cloudy

Thomson, Sunday, 18 October

Partly cloudy. High 51°, low 30°.

Pressure30.39 inHg
Wind14.9 mph S
Humidity37%
Visibility—
Dew point21°
Mon, 1960° / 38°0Clear
60 °Clear

Thomson, Monday, 19 October

Clear. High 60°, low 38°.

Pressure30.33 inHg
Wind7.9 mph S
Humidity44%
Visibility—
Dew point33°
Tue, 2064° / 48°0Overcast
64 °Overcast

Thomson, Tuesday, 20 October

Overcast. High 64°, low 48°.

Pressure30.18 inHg
Wind15.7 mph S
Humidity40%
Visibility—
Dew point35°
Wed, 2160° / 50°0.81Rain
60 °Rain

Thomson, Wednesday, 21 October

Rain. High 60°, low 50°.

Pressure29.97 inHg
Wind17.4 mph SE
Humidity69%
Visibility—
Dew point48°
Thu, 2260° / 55°1.15Rain
60 °Rain

Thomson, Thursday, 22 October

Rain. High 60°, low 55°.

Pressure29.65 inHg
Wind16.1 mph N
Humidity96%
Visibility—
Dew point57°
Fri, 2364° / 53°0Overcast
64 °Overcast

Thomson, Friday, 23 October

Overcast. High 64°, low 53°.

Pressure29.94 inHg
Wind11.8 mph N
Humidity70%
Visibility—
Dew point51°
Sat, 2454° / 42°0Overcast
54 °Overcast

Thomson, Saturday, 24 October

Overcast. High 54°, low 42°.

Pressure29.97 inHg
Wind17.9 mph NW
Humidity60%
Visibility—
Dew point38°

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.