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As of 06:37 CDT

Weather in Donnellson, IL

55°Current weather

Donnellson, Friday, 16 October, 06:37

Overcast. Feels like 54°. High 60°, low 52°.

Pressure30.12 inHg
Wind16.1 mph NW
Humidity85%
Visibility6.2 mi
Dew point50°
Sat, 1761° / 42°0Clear
61 °Clear

Donnellson, Saturday, 17 October

Clear. High 61°, low 42°.

Pressure30.56 inHg
Wind3.6 mph NE
Humidity51%
Visibility6.2 mi
Dew point37°
Sun, 1862° / 41°0Clear
62 °Clear

Donnellson, Sunday, 18 October

Clear. High 62°, low 41°.

Pressure30.50 inHg
Wind8.3 mph S
Humidity39%
Visibility6.2 mi
Dew point34°
Mon, 1966° / 41°0Clear
66 °Clear

Donnellson, Monday, 19 October

Clear. High 66°, low 41°.

Pressure30.39 inHg
Wind3.7 mph SE
Humidity43%
Visibility6.2 mi
Dew point40°
Tue, 2067° / 44°0Overcast
67 °Overcast

Donnellson, Tuesday, 20 October

Overcast. High 67°, low 44°.

Pressure30.33 inHg
Wind5.8 mph E
Humidity40%
Visibility—
Dew point39°
Wed, 2170° / 44°0Clear
70 °Clear

Donnellson, Wednesday, 21 October

Clear. High 70°, low 44°.

Pressure30.30 inHg
Wind4.8 mph E
Humidity39%
Visibility—
Dew point39°
Thu, 2276° / 53°0Overcast
76 °Overcast

Donnellson, Thursday, 22 October

Overcast. High 76°, low 53°.

Pressure30.18 inHg
Wind5.9 mph SE
Humidity28%
Visibility—
Dew point36°
Fri, 2378° / 61°0Clear
78 °Clear

Donnellson, Friday, 23 October

Clear. High 78°, low 61°.

Pressure30.15 inHg
Wind7.7 mph SE
Humidity26%
Visibility—
Dew point37°
Sat, 2477° / 55°0Partly cloudy
77 °Partly cloudy

Donnellson, Saturday, 24 October

Partly cloudy. High 77°, low 55°.

Pressure30.18 inHg
Wind9 mph SE
Humidity30%
Visibility—
Dew point39°
Sun, 2576° / 55°0Overcast
76 °Overcast

Donnellson, Sunday, 25 October

Overcast. High 76°, low 55°.

Pressure30.15 inHg
Wind6.4 mph E
Humidity28%
Visibility—
Dew point37°
Mon, 2678° / 53°0.15Rain
78 °Rain

Donnellson, Monday, 26 October

Rain. High 78°, low 53°.

Pressure29.91 inHg
Wind12.5 mph W
Humidity28%
Visibility—
Dew point37°
Tue, 2765° / 47°0.01Light rain
65 °Light rain

Donnellson, Tuesday, 27 October

Light rain. High 65°, low 47°.

Pressure29.94 inHg
Wind12.9 mph W
Humidity52%
Visibility—
Dew point41°
Wed, 2869° / 51°0Overcast
69 °Overcast

Donnellson, Wednesday, 28 October

Overcast. High 69°, low 51°.

Pressure30.03 inHg
Wind12 mph S
Humidity34%
Visibility—
Dew point35°
Thu, 2961° / 55°0.01Light rain
61 °Light rain

Donnellson, Thursday, 29 October

Light rain. High 61°, low 55°.

Pressure29.83 inHg
Wind8.9 mph SE
Humidity87%
Visibility—
Dew point55°
Fri, 3071° / 51°0.09Light rain
71 °Light rain

Donnellson, Friday, 30 October

Light rain. High 71°, low 51°.

Pressure29.50 inHg
Wind24.2 mph W
Humidity72%
Visibility—
Dew point60°
Sat, 3159° / 42°0Mostly clear
59 °Mostly clear

Donnellson, Saturday, 31 October

Mostly clear. High 59°, low 42°.

Pressure29.97 inHg
Wind18.9 mph W
Humidity31%
Visibility—
Dew point24°

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.