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As of 13:27 CDT

Weather in Donnellson, IL

75°Current weather

Donnellson, Wednesday, 14 October, 13:27

Overcast. Feels like 76°. High 77°, low 69°.

Pressure30.00 inHg
Wind5.3 mph W
Humidity94%
Visibility6.2 mi
Dew point72°
Thu, 1582° / 69°1.79Heavy rain
82 °Heavy rain

Donnellson, Thursday, 15 October

Heavy rain. High 82°, low 69°.

Pressure29.97 inHg
Wind11.1 mph S
Humidity93%
Visibility4.0 mi
Dew point72°
Fri, 1667° / 50°0.05Light rain
67 °Light rain

Donnellson, Friday, 16 October

Light rain. High 67°, low 50°.

Pressure30.18 inHg
Wind18.6 mph NW
Humidity49%
Visibility6.2 mi
Dew point37°
Sat, 1757° / 42°0Clear
57 °Clear

Donnellson, Saturday, 17 October

Clear. High 57°, low 42°.

Pressure30.56 inHg
Wind5 mph NE
Humidity51%
Visibility6.2 mi
Dew point36°
Sun, 1861° / 42°0Clear
61 °Clear

Donnellson, Sunday, 18 October

Clear. High 61°, low 42°.

Pressure30.50 inHg
Wind6.8 mph S
Humidity43%
Visibility6.2 mi
Dew point35°
Mon, 1967° / 43°0Overcast
67 °Overcast

Donnellson, Monday, 19 October

Overcast. High 67°, low 43°.

Pressure30.42 inHg
Wind8 mph S
Humidity38%
Visibility—
Dew point37°
Tue, 2075° / 52°0Overcast
75 °Overcast

Donnellson, Tuesday, 20 October

Overcast. High 75°, low 52°.

Pressure30.27 inHg
Wind6 mph E
Humidity36%
Visibility—
Dew point41°
Wed, 2178° / 60°0Overcast
78 °Overcast

Donnellson, Wednesday, 21 October

Overcast. High 78°, low 60°.

Pressure30.18 inHg
Wind11.4 mph S
Humidity43%
Visibility—
Dew point51°
Thu, 2269° / 61°0.55Rain
69 °Rain

Donnellson, Thursday, 22 October

Rain. High 69°, low 61°.

Pressure30.09 inHg
Wind13 mph SW
Humidity91%
Visibility—
Dew point59°
Fri, 2373° / 60°0Overcast
73 °Overcast

Donnellson, Friday, 23 October

Overcast. High 73°, low 60°.

Pressure30.12 inHg
Wind11.1 mph SE
Humidity74%
Visibility—
Dew point61°
Sat, 2475° / 53°0.25Rain
75 °Rain

Donnellson, Saturday, 24 October

Rain. High 75°, low 53°.

Pressure30.00 inHg
Wind17.3 mph S
Humidity51%
Visibility—
Dew point54°
Sun, 2560° / 44°0Clear
60 °Clear

Donnellson, Sunday, 25 October

Clear. High 60°, low 44°.

Pressure30.42 inHg
Wind14.7 mph NW
Humidity27%
Visibility—
Dew point24°
Mon, 2665° / 42°0Overcast
65 °Overcast

Donnellson, Monday, 26 October

Overcast. High 65°, low 42°.

Pressure30.27 inHg
Wind12.1 mph SW
Humidity25%
Visibility—
Dew point24°
Tue, 2768° / 45°0Overcast
68 °Overcast

Donnellson, Tuesday, 27 October

Overcast. High 68°, low 45°.

Pressure30.09 inHg
Wind10.2 mph S
Humidity26%
Visibility—
Dew point28°
Wed, 2874° / 53°0.09Light rain
74 °Light rain

Donnellson, Wednesday, 28 October

Light rain. High 74°, low 53°.

Pressure29.80 inHg
Wind20.4 mph W
Humidity36%
Visibility—
Dew point41°
Thu, 2961° / 46°0Clear
61 °Clear

Donnellson, Thursday, 29 October

Clear. High 61°, low 46°.

Pressure30.12 inHg
Wind18.2 mph W
Humidity45%
Visibility—
Dew point36°

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.