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As of 22:30 CDT

Weather in Diana, IL

77°Current weather

Diana, Saturday, 8 August, 22:30

Clear. Feels like 78°. High 90°, low 72°.

Pressure30.03 inHg
Wind6.6 mph S
Humidity83%
Visibility6.2 mi
Dew point71°
Sun, 0993° / 74°0Mostly clear
93 °Mostly clear

Diana, Sunday, 9 August

Mostly clear. High 93°, low 74°.

Pressure30.03 inHg
Wind12.2 mph SW
Humidity51%
Visibility6.2 mi
Dew point69°
Mon, 1097° / 74°0Partly cloudy
97 °Partly cloudy

Diana, Monday, 10 August

Partly cloudy. High 97°, low 74°.

Pressure30.00 inHg
Wind14.7 mph SW
Humidity52%
Visibility6.2 mi
Dew point70°
Tue, 1199° / 77°0Clear
99 °Clear

Diana, Tuesday, 11 August

Clear. High 99°, low 77°.

Pressure29.91 inHg
Wind13.3 mph SW
Humidity42%
Visibility6.2 mi
Dew point68°
Wed, 1287° / 73°0.22Light rain
87 °Light rain

Diana, Wednesday, 12 August

Light rain. High 87°, low 73°.

Pressure29.85 inHg
Wind8.1 mph SW
Humidity80%
Visibility6.2 mi
Dew point69°
Thu, 1375° / 70°0.84Rain
75 °Rain

Diana, Thursday, 13 August

Rain. High 75°, low 70°.

Pressure29.94 inHg
Wind5.9 mph E
Humidity88%
Visibility—
Dew point71°
Fri, 1478° / 70°0.49Rain
78 °Rain

Diana, Friday, 14 August

Rain. High 78°, low 70°.

Pressure30.03 inHg
Wind11.4 mph E
Humidity83%
Visibility—
Dew point72°
Sat, 1579° / 67°0.18Light rain
79 °Light rain

Diana, Saturday, 15 August

Light rain. High 79°, low 67°.

Pressure30.18 inHg
Wind15 mph E
Humidity70%
Visibility—
Dew point66°
Sun, 1687° / 66°0.2Rain
87 °Rain

Diana, Sunday, 16 August

Rain. High 87°, low 66°.

Pressure30.03 inHg
Wind9.2 mph E
Humidity68%
Visibility—
Dew point71°
Mon, 1785° / 70°0.06Light rain
85 °Light rain

Diana, Monday, 17 August

Light rain. High 85°, low 70°.

Pressure30.03 inHg
Wind8.4 mph NE
Humidity87%
Visibility—
Dew point72°
Tue, 1887° / 70°0.2Rain
87 °Rain

Diana, Tuesday, 18 August

Rain. High 87°, low 70°.

Pressure30.00 inHg
Wind6.3 mph W
Humidity67%
Visibility—
Dew point72°
Wed, 1987° / 71°0Overcast
87 °Overcast

Diana, Wednesday, 19 August

Overcast. High 87°, low 71°.

Pressure29.91 inHg
Wind15 mph N
Humidity59%
Visibility—
Dew point69°
Thu, 2078° / 60°0Clear
78 °Clear

Diana, Thursday, 20 August

Clear. High 78°, low 60°.

Pressure30.00 inHg
Wind11.8 mph NE
Humidity57%
Visibility—
Dew point58°
Fri, 2177° / 59°0.06Light rain
77 °Light rain

Diana, Friday, 21 August

Light rain. High 77°, low 59°.

Pressure30.03 inHg
Wind12.1 mph NE
Humidity57%
Visibility—
Dew point56°
Sat, 2292° / 63°0.19Light rain
92 °Light rain

Diana, Saturday, 22 August

Light rain. High 92°, low 63°.

Pressure29.85 inHg
Wind14.6 mph SE
Humidity56%
Visibility—
Dew point66°
Sun, 2394° / 73°0Light rain
94 °Light rain

Diana, Sunday, 23 August

Light rain. High 94°, low 73°.

Pressure29.94 inHg
Wind8.1 mph W
Humidity52%
Visibility—
Dew point69°

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 Diana, 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 Diana, 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.