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As of 07:13 CDT

Weather in Merriam, IL

46°Current weather

Merriam, Saturday, 24 October, 07:13

Clear. Feels like 46°. High 74°, low 46°.

Pressure30.36 inHg
Wind0 mph N
Humidity87%
Visibility6.2 mi
Dew point43°
Sun, 2576° / 46°0Overcast
76 °Overcast

Merriam, Sunday, 25 October

Overcast. High 76°, low 46°.

Pressure30.42 inHg
Wind0.9 mph SW
Humidity48%
Visibility6.2 mi
Dew point51°
Mon, 2674° / 53°0Overcast
74 °Overcast

Merriam, Monday, 26 October

Overcast. High 74°, low 53°.

Pressure30.33 inHg
Wind4.9 mph SW
Humidity47%
Visibility6.2 mi
Dew point51°
Tue, 2773° / 53°0Overcast
73 °Overcast

Merriam, Tuesday, 27 October

Overcast. High 73°, low 53°.

Pressure30.27 inHg
Wind3.3 mph S
Humidity51%
Visibility6.2 mi
Dew point52°
Wed, 2876° / 52°0Clear
76 °Clear

Merriam, Wednesday, 28 October

Clear. High 76°, low 52°.

Pressure30.21 inHg
Wind6.6 mph S
Humidity39%
Visibility—
Dew point46°
Thu, 2977° / 53°0Partly cloudy
77 °Partly cloudy

Merriam, Thursday, 29 October

Partly cloudy. High 77°, low 53°.

Pressure30.24 inHg
Wind8.3 mph SW
Humidity43%
Visibility—
Dew point49°
Fri, 3081° / 57°0Partly cloudy
81 °Partly cloudy

Merriam, Friday, 30 October

Partly cloudy. High 81°, low 57°.

Pressure30.18 inHg
Wind8 mph SW
Humidity24%
Visibility—
Dew point37°
Sat, 3179° / 64°0Overcast
79 °Overcast

Merriam, Saturday, 31 October

Overcast. High 79°, low 64°.

Pressure30.12 inHg
Wind13 mph S
Humidity28%
Visibility—
Dew point41°
Sun, 0170° / 63°0.05Light rain
70 °Light rain

Merriam, Sunday, 1 November

Light rain. High 70°, low 63°.

Pressure30.09 inHg
Wind16 mph S
Humidity64%
Visibility—
Dew point55°
Mon, 0270° / 57°0Light rain
70 °Light rain

Merriam, Monday, 2 November

Light rain. High 70°, low 57°.

Pressure30.00 inHg
Wind10.6 mph SE
Humidity57%
Visibility—
Dew point53°
Tue, 0361° / 49°0.07Light rain
61 °Light rain

Merriam, Tuesday, 3 November

Light rain. High 61°, low 49°.

Pressure29.85 inHg
Wind12.5 mph NW
Humidity81%
Visibility—
Dew point46°
Wed, 0455° / 47°0.18Rain
55 °Rain

Merriam, Wednesday, 4 November

Rain. High 55°, low 47°.

Pressure29.80 inHg
Wind14.5 mph N
Humidity79%
Visibility—
Dew point48°
Thu, 0557° / 43°0.2Rain
57 °Rain

Merriam, Thursday, 5 November

Rain. High 57°, low 43°.

Pressure29.91 inHg
Wind18.4 mph N
Humidity44%
Visibility—
Dew point34°
Fri, 0643° / 32°0Partly cloudy
43 °Partly cloudy

Merriam, Friday, 6 November

Partly cloudy. High 43°, low 32°.

Pressure30.36 inHg
Wind15.8 mph NW
Humidity28%
Visibility—
Dew point11°
Sat, 0745° / 27°0Overcast
45 °Overcast

Merriam, Saturday, 7 November

Overcast. High 45°, low 27°.

Pressure30.53 inHg
Wind9.8 mph S
Humidity31%
Visibility—
Dew point13°
Sun, 0846° / 38°0.07Light rain
46 °Light rain

Merriam, Sunday, 8 November

Light rain. High 46°, low 38°.

Pressure30.24 inHg
Wind15.7 mph S
Humidity36%
Visibility—
Dew point20°

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 Merriam, 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 Merriam, 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.