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As of 14:02 CDT

Weather in Donnellson, IL

56°Current weather

Donnellson, Friday, 16 October, 14:02

Overcast. Feels like 54°. High 60°, low 50°.

Pressure30.18 inHg
Wind15.9 mph NW
Humidity76%
Visibility6.2 mi
Dew point46°
Sat, 1760° / 41°0Clear
60 °Clear

Donnellson, Saturday, 17 October

Clear. High 60°, low 41°.

Pressure30.56 inHg
Wind3.5 mph NE
Humidity50%
Visibility6.2 mi
Dew point36°
Sun, 1862° / 40°0Clear
62 °Clear

Donnellson, Sunday, 18 October

Clear. High 62°, low 40°.

Pressure30.50 inHg
Wind8.2 mph S
Humidity39%
Visibility6.2 mi
Dew point33°
Mon, 1966° / 41°0Clear
66 °Clear

Donnellson, Monday, 19 October

Clear. High 66°, low 41°.

Pressure30.39 inHg
Wind3.5 mph SE
Humidity44%
Visibility6.2 mi
Dew point41°
Tue, 2069° / 44°0Clear
69 °Clear

Donnellson, Tuesday, 20 October

Clear. High 69°, low 44°.

Pressure30.33 inHg
Wind2.5 mph E
Humidity46%
Visibility6.2 mi
Dew point44°
Wed, 2170° / 50°0Clear
70 °Clear

Donnellson, Wednesday, 21 October

Clear. High 70°, low 50°.

Pressure30.27 inHg
Wind4 mph SE
Humidity36%
Visibility—
Dew point39°
Thu, 2275° / 51°0.01Light rain
75 °Light rain

Donnellson, Thursday, 22 October

Light rain. High 75°, low 51°.

Pressure30.15 inHg
Wind6.8 mph SW
Humidity26%
Visibility—
Dew point34°
Fri, 2375° / 56°0Clear
75 °Clear

Donnellson, Friday, 23 October

Clear. High 75°, low 56°.

Pressure30.18 inHg
Wind10.6 mph E
Humidity39%
Visibility—
Dew point45°
Sat, 2470° / 51°0Overcast
70 °Overcast

Donnellson, Saturday, 24 October

Overcast. High 70°, low 51°.

Pressure30.24 inHg
Wind9.5 mph SE
Humidity47%
Visibility—
Dew point44°
Sun, 2568° / 49°0Overcast
68 °Overcast

Donnellson, Sunday, 25 October

Overcast. High 68°, low 49°.

Pressure30.18 inHg
Wind8 mph SE
Humidity32%
Visibility—
Dew point35°
Mon, 2676° / 52°0Overcast
76 °Overcast

Donnellson, Monday, 26 October

Overcast. High 76°, low 52°.

Pressure30.12 inHg
Wind9.2 mph S
Humidity27%
Visibility—
Dew point35°
Tue, 2766° / 58°0Overcast
66 °Overcast

Donnellson, Tuesday, 27 October

Overcast. High 66°, low 58°.

Pressure30.21 inHg
Wind7.1 mph NW
Humidity52%
Visibility—
Dew point43°
Wed, 2868° / 58°0Overcast
68 °Overcast

Donnellson, Wednesday, 28 October

Overcast. High 68°, low 58°.

Pressure30.09 inHg
Wind8.4 mph SE
Humidity60%
Visibility—
Dew point52°
Thu, 2980° / 60°0.04Light rain
80 °Light rain

Donnellson, Thursday, 29 October

Light rain. High 80°, low 60°.

Pressure29.97 inHg
Wind16.5 mph SW
Humidity43%
Visibility—
Dew point53°
Fri, 3078° / 61°0.28Rain
78 °Rain

Donnellson, Friday, 30 October

Rain. High 78°, low 61°.

Pressure30.06 inHg
Wind11.5 mph NE
Humidity59%
Visibility—
Dew point58°
Sat, 3163° / 59°0.66Heavy rain
63 °Heavy rain

Donnellson, Saturday, 31 October

Heavy rain. High 63°, low 59°.

Pressure30.03 inHg
Wind15 mph E
Humidity88%
Visibility—
Dew point57°

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 Donnellson, 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 Donnellson, 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.