As of 18:10 CDT

Weather in McCook, IL

61°Current weather

McCook, Wednesday, 14 October, 18:10

Overcast. Feels like 61°. High 66°, low 59°.

Pressure30.12 inHg
Wind11.5 mph NE
Humidity84%
Visibility6.2 mi
Dew point56°

Monthly outlook for McCook, IL: average high 63.4°, average low 50.5°. That is 2.6° above the climate normal for October. Precipitation is expected on 5 days (about 0.7 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 24 October (76.5°), the coolest 17 October (38.9°).

63.4°/50.5°
Average high / low
+2.6°
Above normal
5 / 5
Wet days / normal
0.7 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
14 October – 23 October64.2°60.1°+2.3°
24 October – 2 November62°56.2°+3.2°
3 November – 12 Novemberat normal51.3°—

October records over 66 years

89.2°3 October 2025All-time high
25.7°26 October 1962All-time low

Climate normals and records are computed from the nearest reference point — Summit (1 mi).

Thu, 1566° / 58°0.22Rain
66 °Rain

McCook, Thursday, 15 October

Rain. High 66°, low 58°.

Pressure30.03 inHg
Wind5.7 mph E
Humidity82%
Visibility6.2 mi
Dew point56°
Fri, 1660° / 46°0.06Light rain
60 °Light rain

McCook, Friday, 16 October

Light rain. High 60°, low 46°.

Pressure30.03 inHg
Wind12.5 mph NW
Humidity71%
Visibility6.2 mi
Dew point45°
Sat, 1755° / 39°0Clear
55 °Clear

McCook, Saturday, 17 October

Clear. High 55°, low 39°.

Pressure30.53 inHg
Wind2.1 mph NW
Humidity60%
Visibility6.2 mi
Dew point38°
Sun, 1860° / 42°0Clear
60 °Clear

McCook, Sunday, 18 October

Clear. High 60°, low 42°.

Pressure30.47 inHg
Wind9.1 mph SW
Humidity59%
Visibility6.2 mi
Dew point41°
Mon, 1962° / 41°0Clear
62 °Clear

McCook, Monday, 19 October

Clear. High 62°, low 41°.

Pressure30.42 inHg
Wind6 mph SW
Humidity51%
Visibility—
Dew point40°
Tue, 2070° / 46°0Mostly clear
70 °Mostly clear

McCook, Tuesday, 20 October

Mostly clear. High 70°, low 46°.

Pressure30.33 inHg
Wind3.7 mph E
Humidity34%
Visibility—
Dew point35°
Wed, 2173° / 56°0Clear
73 °Clear

McCook, Wednesday, 21 October

Clear. High 73°, low 56°.

Pressure30.24 inHg
Wind10 mph S
Humidity45%
Visibility—
Dew point47°
Thu, 2266° / 64°0.16Light rain
66 °Light rain

McCook, Thursday, 22 October

Light rain. High 66°, low 64°.

Pressure29.97 inHg
Wind12 mph SW
Humidity80%
Visibility—
Dew point59°
Fri, 2366° / 60°0Overcast
66 °Overcast

McCook, Friday, 23 October

Overcast. High 66°, low 60°.

Pressure30.09 inHg
Wind7.1 mph NW
Humidity81%
Visibility—
Dew point57°
Sat, 2477° / 55°0.05Light rain
77 °Light rain

McCook, Saturday, 24 October

Light rain. High 77°, low 55°.

Pressure29.85 inHg
Wind14.7 mph SW
Humidity49%
Visibility—
Dew point54°
Sun, 2558° / 49°0Clear
58 °Clear

McCook, Sunday, 25 October

Clear. High 58°, low 49°.

Pressure30.33 inHg
Wind10.2 mph W
Humidity30%
Visibility—
Dew point25°
Mon, 2655° / 46°0Clear
55 °Clear

McCook, Monday, 26 October

Clear. High 55°, low 46°.

Pressure30.39 inHg
Wind7.5 mph NW
Humidity31%
Visibility—
Dew point24°
Tue, 2759° / 46°0Overcast
59 °Overcast

McCook, Tuesday, 27 October

Overcast. High 59°, low 46°.

Pressure30.27 inHg
Wind10 mph SW
Humidity32%
Visibility—
Dew point26°
Wed, 2862° / 50°0Overcast
62 °Overcast

McCook, Wednesday, 28 October

Overcast. High 62°, low 50°.

Pressure30.06 inHg
Wind10 mph SW
Humidity25%
Visibility—
Dew point24°
Thu, 2962° / 51°0Overcast
62 °Overcast

McCook, Thursday, 29 October

Overcast. High 62°, low 51°.

Pressure30.00 inHg
Wind9.4 mph W
Humidity59%
Visibility—
Dew point44°
From day 17 onward the outlook is built from 60-year climate statistics
Fri, 3058° / 44°0.12Climate normal
58 °Climate normal

McCook, Friday, 30 October

Climate normal for this date — 60-year average.

Average high58°
Average low44°
Average precipitation0.12 in
Chance of precipitation28%
Record high78° (2024)
Record low28° (1988)
Sat, 3156° / 44°0.13Climate normal
56 °Climate normal

McCook, Saturday, 31 October

Climate normal for this date — 60-year average.

Average high56°
Average low44°
Average precipitation0.13 in
Chance of precipitation42%
Record high74° (1974)
Record low26° (2023)
Sun, 0155° / 43°0.18Climate normal
55 °Climate normal

McCook, Sunday, 1 November

Climate normal for this date — 60-year average.

Average high55°
Average low43°
Average precipitation0.18 in
Chance of precipitation42%
Record high73° (2016)
Record low19° (2019)
Mon, 0254° / 42°0.12Climate normal
54 °Climate normal

McCook, Monday, 2 November

Climate normal for this date — 60-year average.

Average high54°
Average low42°
Average precipitation0.12 in
Chance of precipitation40%
Record high74° (1961)
Record low24° (1991)
Tue, 0353° / 40°0.07Climate normal
53 °Climate normal

McCook, Tuesday, 3 November

Climate normal for this date — 60-year average.

Average high53°
Average low40°
Average precipitation0.07 in
Chance of precipitation27%
Record high72° (1987)
Record low19° (1991)
Wed, 0453° / 42°0.09Climate normal
53 °Climate normal

McCook, Wednesday, 4 November

Climate normal for this date — 60-year average.

Average high53°
Average low42°
Average precipitation0.09 in
Chance of precipitation28%
Record high71° (2015)
Record low18° (1991)
Thu, 0553° / 41°0.12Climate normal
53 °Climate normal

McCook, Thursday, 5 November

Climate normal for this date — 60-year average.

Average high53°
Average low41°
Average precipitation0.12 in
Chance of precipitation32%
Record high75° (1978)
Record low20° (1991)
Fri, 0653° / 39°0.07Climate normal
53 °Climate normal

McCook, Friday, 6 November

Climate normal for this date — 60-year average.

Average high53°
Average low39°
Average precipitation0.07 in
Chance of precipitation32%
Record high72° (1975)
Record low25° (1991)
Sat, 0752° / 39°0.06Climate normal
52 °Climate normal

McCook, Saturday, 7 November

Climate normal for this date — 60-year average.

Average high52°
Average low39°
Average precipitation0.06 in
Chance of precipitation22%
Record high70° (2020)
Record low21° (1991)
Sun, 0851° / 39°0.06Climate normal
51 °Climate normal

McCook, Sunday, 8 November

Climate normal for this date — 60-year average.

Average high51°
Average low39°
Average precipitation0.06 in
Chance of precipitation20%
Record high75° (2020)
Record low16° (1991)
Mon, 0952° / 39°0.13Climate normal
52 °Climate normal

McCook, Monday, 9 November

Climate normal for this date — 60-year average.

Average high52°
Average low39°
Average precipitation0.13 in
Chance of precipitation35%
Record high72° (2020)
Record low20° (1991)
Tue, 1051° / 38°0.13Climate normal
51 °Climate normal

McCook, Tuesday, 10 November

Climate normal for this date — 60-year average.

Average high51°
Average low38°
Average precipitation0.13 in
Chance of precipitation40%
Record high74° (2020)
Record low18° (2018)
Wed, 1148° / 36°0.08Climate normal
48 °Climate normal

McCook, Wednesday, 11 November

Climate normal for this date — 60-year average.

Average high48°
Average low36°
Average precipitation0.08 in
Chance of precipitation30%
Record high70° (1964)
Record low17° (2019)
Thu, 1247° / 35°0.06Climate normal
47 °Climate normal

McCook, Thursday, 12 November

Climate normal for this date — 60-year average.

Average high47°
Average low35°
Average precipitation0.06 in
Chance of precipitation22%
Record high68° (1964)
Record low4° (2019)

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 McCook, 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 McCook, 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.