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As of 20:47 CDT

Weather in Glennon, MO

79°Current weather

Glennon, Saturday, 8 August, 20:47

Clear. Feels like 79°. High 89°, low 71°.

Pressure30.03 inHg
Wind7.4 mph S
Humidity85%
Visibility6.2 mi
Dew point74°
Sun, 0992° / 70°0Clear
92 °Clear

Glennon, Sunday, 9 August

Clear. High 92°, low 70°.

Pressure30.03 inHg
Wind11.2 mph S
Humidity56%
Visibility6.2 mi
Dew point70°
Mon, 1095° / 71°0Clear
95 °Clear

Glennon, Monday, 10 August

Clear. High 95°, low 71°.

Pressure30.03 inHg
Wind13.2 mph SW
Humidity48%
Visibility6.2 mi
Dew point69°
Tue, 11100° / 74°0Clear
100 °Clear

Glennon, Tuesday, 11 August

Clear. High 100°, low 74°.

Pressure29.94 inHg
Wind14.3 mph SW
Humidity44%
Visibility6.2 mi
Dew point69°
Wed, 1290° / 73°0.13Light rain
90 °Light rain

Glennon, Wednesday, 12 August

Light rain. High 90°, low 73°.

Pressure29.85 inHg
Wind9 mph SW
Humidity47%
Visibility6.2 mi
Dew point69°
Thu, 1390° / 71°0.33Rain
90 °Rain

Glennon, Thursday, 13 August

Rain. High 90°, low 71°.

Pressure29.91 inHg
Wind15.6 mph NE
Humidity59%
Visibility—
Dew point67°
Fri, 1494° / 72°0.26Rain
94 °Rain

Glennon, Friday, 14 August

Rain. High 94°, low 72°.

Pressure29.97 inHg
Wind15.9 mph NE
Humidity62%
Visibility—
Dew point70°
Sat, 1585° / 69°0.1Light rain
85 °Light rain

Glennon, Saturday, 15 August

Light rain. High 85°, low 69°.

Pressure30.15 inHg
Wind11.6 mph E
Humidity82%
Visibility—
Dew point68°
Sun, 16101° / 70°0.05Light rain
101 °Light rain

Glennon, Sunday, 16 August

Light rain. High 101°, low 70°.

Pressure30.00 inHg
Wind9.6 mph NE
Humidity37%
Visibility—
Dew point64°
Mon, 1793° / 73°0.05Light rain
93 °Light rain

Glennon, Monday, 17 August

Light rain. High 93°, low 73°.

Pressure30.00 inHg
Wind7.3 mph S
Humidity54%
Visibility—
Dew point70°
Tue, 1889° / 72°0.02Light rain
89 °Light rain

Glennon, Tuesday, 18 August

Light rain. High 89°, low 72°.

Pressure29.97 inHg
Wind9.1 mph E
Humidity56%
Visibility—
Dew point69°
Wed, 1997° / 69°0Overcast
97 °Overcast

Glennon, Wednesday, 19 August

Overcast. High 97°, low 69°.

Pressure29.88 inHg
Wind12.5 mph NE
Humidity48%
Visibility—
Dew point67°
Thu, 2083° / 65°0Clear
83 °Clear

Glennon, Thursday, 20 August

Clear. High 83°, low 65°.

Pressure29.97 inHg
Wind15.1 mph NE
Humidity38%
Visibility—
Dew point51°
Fri, 2182° / 62°0.11Light rain
82 °Light rain

Glennon, Friday, 21 August

Light rain. High 82°, low 62°.

Pressure30.00 inHg
Wind11.4 mph NE
Humidity60%
Visibility—
Dew point60°
Sat, 22103° / 64°0.25Light rain
103 °Light rain

Glennon, Saturday, 22 August

Light rain. High 103°, low 64°.

Pressure29.83 inHg
Wind16.5 mph N
Humidity41%
Visibility—
Dew point62°
Sun, 2383° / 72°0.06Light rain
83 °Light rain

Glennon, Sunday, 23 August

Light rain. High 83°, low 72°.

Pressure29.97 inHg
Wind8.6 mph S
Humidity61%
Visibility—
Dew point67°

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 Glennon, MO 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 Glennon, MO 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.