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As of 10:13 CDT

Weather in Mascoutah, IL

63°Current weather

Mascoutah, Tuesday, 20 October, 10:13

Clear. Feels like 62°. High 73°, low 48°.

Pressure30.39 inHg
Wind0 mph N
Humidity69%
Visibility6.2 mi
Dew point52°
Wed, 2174° / 48°0Clear
74 °Clear

Mascoutah, Wednesday, 21 October

Clear. High 74°, low 48°.

Pressure30.27 inHg
Wind0.3 mph E
Humidity48%
Visibility6.2 mi
Dew point48°
Thu, 2273° / 48°0Clear
73 °Clear

Mascoutah, Thursday, 22 October

Clear. High 73°, low 48°.

Pressure30.30 inHg
Wind4 mph NE
Humidity42%
Visibility6.2 mi
Dew point46°
Fri, 2371° / 50°0Clear
71 °Clear

Mascoutah, Friday, 23 October

Clear. High 71°, low 50°.

Pressure30.30 inHg
Wind5 mph SE
Humidity48%
Visibility6.2 mi
Dew point48°
Sat, 2474° / 49°0Partly cloudy
74 °Partly cloudy

Mascoutah, Saturday, 24 October

Partly cloudy. High 74°, low 49°.

Pressure30.33 inHg
Wind6.3 mph SE
Humidity41%
Visibility—
Dew point43°
Sun, 2578° / 53°0Overcast
78 °Overcast

Mascoutah, Sunday, 25 October

Overcast. High 78°, low 53°.

Pressure30.39 inHg
Wind7.5 mph S
Humidity35%
Visibility—
Dew point44°
Mon, 2675° / 54°0Overcast
75 °Overcast

Mascoutah, Monday, 26 October

Overcast. High 75°, low 54°.

Pressure30.15 inHg
Wind16.3 mph NW
Humidity28%
Visibility—
Dew point37°
Tue, 2753° / 40°0.01Light rain
53 °Light rain

Mascoutah, Tuesday, 27 October

Light rain. High 53°, low 40°.

Pressure30.45 inHg
Wind18.1 mph N
Humidity31%
Visibility—
Dew point21°
Wed, 2855° / 33°0Clear
55 °Clear

Mascoutah, Wednesday, 28 October

Clear. High 55°, low 33°.

Pressure30.45 inHg
Wind7.3 mph S
Humidity36%
Visibility—
Dew point23°
Thu, 2963° / 37°0Overcast
63 °Overcast

Mascoutah, Thursday, 29 October

Overcast. High 63°, low 37°.

Pressure30.18 inHg
Wind12.1 mph W
Humidity31%
Visibility—
Dew point27°
Fri, 3053° / 37°0Clear
53 °Clear

Mascoutah, Friday, 30 October

Clear. High 53°, low 37°.

Pressure30.39 inHg
Wind12.9 mph N
Humidity27%
Visibility—
Dew point18°
Sat, 3153° / 32°0Overcast
53 °Overcast

Mascoutah, Saturday, 31 October

Overcast. High 53°, low 32°.

Pressure30.30 inHg
Wind8.9 mph SW
Humidity26%
Visibility—
Dew point16°
Sun, 0156° / 40°0Overcast
56 °Overcast

Mascoutah, Sunday, 1 November

Overcast. High 56°, low 40°.

Pressure30.18 inHg
Wind7.2 mph W
Humidity54%
Visibility—
Dew point35°
Mon, 0266° / 43°0Clear
66 °Clear

Mascoutah, Monday, 2 November

Clear. High 66°, low 43°.

Pressure30.30 inHg
Wind8 mph SE
Humidity44%
Visibility—
Dew point39°
Tue, 0366° / 45°0Overcast
66 °Overcast

Mascoutah, Tuesday, 3 November

Overcast. High 66°, low 45°.

Pressure30.18 inHg
Wind15.8 mph S
Humidity37%
Visibility—
Dew point36°
Wed, 0466° / 59°0.03Light rain
66 °Light rain

Mascoutah, Wednesday, 4 November

Light rain. High 66°, low 59°.

Pressure29.97 inHg
Wind15.3 mph S
Humidity56%
Visibility—
Dew point48°

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 Mascoutah, 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 Mascoutah, 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.