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As of 08:39 CDT

Weather in Walnut Grove, IL

77°Current weather

Walnut Grove, Sunday, 9 August, 08:39

Partly cloudy. Feels like 79°. High 93°, low 68°.

Pressure29.97 inHg
Wind11.6 mph S
Humidity85%
Visibility6.2 mi
Dew point72°
Mon, 1094° / 75°0Overcast
94 °Overcast

Walnut Grove, Monday, 10 August

Overcast. High 94°, low 75°.

Pressure29.88 inHg
Wind8.3 mph SW
Humidity72%
Visibility6.2 mi
Dew point73°
Tue, 1196° / 76°0Light rain
96 °Light rain

Walnut Grove, Tuesday, 11 August

Light rain. High 96°, low 76°.

Pressure29.83 inHg
Wind14 mph SW
Humidity52%
Visibility6.2 mi
Dew point71°
Wed, 1288° / 71°0.09Light rain
88 °Light rain

Walnut Grove, Wednesday, 12 August

Light rain. High 88°, low 71°.

Pressure29.85 inHg
Wind5.9 mph NE
Humidity68%
Visibility6.2 mi
Dew point74°
Thu, 1376° / 65°1.38Heavy rain
76 °Heavy rain

Walnut Grove, Thursday, 13 August

Heavy rain. High 76°, low 65°.

Pressure29.88 inHg
Wind13.7 mph NE
Humidity87%
Visibility—
Dew point71°
Fri, 1475° / 64°0.54Rain
75 °Rain

Walnut Grove, Friday, 14 August

Rain. High 75°, low 64°.

Pressure30.06 inHg
Wind15.7 mph E
Humidity81%
Visibility—
Dew point67°
Sat, 1582° / 66°0.15Light rain
82 °Light rain

Walnut Grove, Saturday, 15 August

Light rain. High 82°, low 66°.

Pressure30.09 inHg
Wind15.5 mph SE
Humidity80%
Visibility—
Dew point69°
Sun, 1678° / 66°0Overcast
78 °Overcast

Walnut Grove, Sunday, 16 August

Overcast. High 78°, low 66°.

Pressure30.06 inHg
Wind13.7 mph NW
Humidity75%
Visibility—
Dew point69°
Mon, 1777° / 60°0Partly cloudy
77 °Partly cloudy

Walnut Grove, Monday, 17 August

Partly cloudy. High 77°, low 60°.

Pressure30.12 inHg
Wind8 mph E
Humidity60%
Visibility—
Dew point60°
Tue, 1885° / 61°0Overcast
85 °Overcast

Walnut Grove, Tuesday, 18 August

Overcast. High 85°, low 61°.

Pressure29.83 inHg
Wind11.9 mph S
Humidity70%
Visibility—
Dew point66°
Wed, 1979° / 64°0Overcast
79 °Overcast

Walnut Grove, Wednesday, 19 August

Overcast. High 79°, low 64°.

Pressure29.88 inHg
Wind13.8 mph N
Humidity57%
Visibility—
Dew point62°
Thu, 2080° / 60°0Mostly clear
80 °Mostly clear

Walnut Grove, Thursday, 20 August

Mostly clear. High 80°, low 60°.

Pressure29.97 inHg
Wind5.5 mph N
Humidity59%
Visibility—
Dew point60°
Fri, 2189° / 62°0.02Light rain
89 °Light rain

Walnut Grove, Friday, 21 August

Light rain. High 89°, low 62°.

Pressure29.77 inHg
Wind19.5 mph S
Humidity54%
Visibility—
Dew point62°
Sat, 2285° / 66°0.01Light rain
85 °Light rain

Walnut Grove, Saturday, 22 August

Light rain. High 85°, low 66°.

Pressure29.85 inHg
Wind15 mph NW
Humidity42%
Visibility—
Dew point57°
Sun, 2380° / 59°0Clear
80 °Clear

Walnut Grove, Sunday, 23 August

Clear. High 80°, low 59°.

Pressure30.15 inHg
Wind7.7 mph SE
Humidity49%
Visibility—
Dew point55°
Mon, 2482° / 59°0Clear
82 °Clear

Walnut Grove, Monday, 24 August

Clear. High 82°, low 59°.

Pressure30.21 inHg
Wind8.3 mph SE
Humidity49%
Visibility—
Dew point56°

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 Walnut Grove, 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 Walnut Grove, 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.