As of 21:37 CDT

Weather in Flossmoor, IL

44°Current weather

Flossmoor, Saturday, 17 October, 21:37

Clear. Feels like 41°. High 57°, low 36°.

Pressure30.45 inHg
Wind6.3 mph S
Humidity74%
Visibility6.2 mi
Dew point37°

Monthly outlook for Flossmoor, IL: average high 63.6°, average low 48.1°. That is 3.4° above the climate normal for October. Precipitation is expected on 4 days (about 0.7 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 24 October (70.5°), the coolest 17 October (36.2°).

63.6°/48.1°
Average high / low
+3.4°
Above normal
4 / 5
Wet days / normal
0.7 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
17 October – 26 October63.4°58.5°+2.7°
27 October – 5 November63.9°54.8°+5.1°
6 November – 15 Novemberat normal49.4°—

October records over 66 years

88.5°3 October 2025All-time high
26.1°26 October 1962All-time low

Climate normals and records are computed from the nearest reference point — Blue Island (8 mi).

Sun, 1863° / 44°0Clear
63 °Clear

Flossmoor, Sunday, 18 October

Clear. High 63°, low 44°.

Pressure30.45 inHg
Wind10.9 mph SW
Humidity46%
Visibility6.2 mi
Dew point36°
Mon, 1963° / 44°0Clear
63 °Clear

Flossmoor, Monday, 19 October

Clear. High 63°, low 44°.

Pressure30.39 inHg
Wind2.4 mph SW
Humidity58%
Visibility6.2 mi
Dew point45°
Tue, 2064° / 43°0Clear
64 °Clear

Flossmoor, Tuesday, 20 October

Clear. High 64°, low 43°.

Pressure30.42 inHg
Wind2.8 mph E
Humidity56%
Visibility6.2 mi
Dew point46°
Wed, 2166° / 45°0Clear
66 °Clear

Flossmoor, Wednesday, 21 October

Clear. High 66°, low 45°.

Pressure30.30 inHg
Wind2.7 mph SW
Humidity61%
Visibility6.2 mi
Dew point48°
Thu, 2266° / 48°0.04Light rain
66 °Light rain

Flossmoor, Thursday, 22 October

Light rain. High 66°, low 48°.

Pressure30.27 inHg
Wind6.8 mph NE
Humidity57%
Visibility—
Dew point48°
Fri, 2367° / 49°0Mostly clear
67 °Mostly clear

Flossmoor, Friday, 23 October

Mostly clear. High 67°, low 49°.

Pressure30.36 inHg
Wind7.7 mph E
Humidity56%
Visibility—
Dew point46°
Sat, 2471° / 55°0Overcast
71 °Overcast

Flossmoor, Saturday, 24 October

Overcast. High 71°, low 55°.

Pressure30.24 inHg
Wind12.8 mph S
Humidity33%
Visibility—
Dew point37°
Sun, 2562° / 48°0Overcast
62 °Overcast

Flossmoor, Sunday, 25 October

Overcast. High 62°, low 48°.

Pressure30.39 inHg
Wind10.8 mph NW
Humidity52%
Visibility—
Dew point35°
Mon, 2656° / 43°0Clear
56 °Clear

Flossmoor, Monday, 26 October

Clear. High 56°, low 43°.

Pressure30.39 inHg
Wind6.8 mph W
Humidity32%
Visibility—
Dew point24°
Tue, 2759° / 42°0Overcast
59 °Overcast

Flossmoor, Tuesday, 27 October

Overcast. High 59°, low 42°.

Pressure30.33 inHg
Wind6.7 mph SW
Humidity28%
Visibility—
Dew point23°
Wed, 2860° / 50°0.01Light rain
60 °Light rain

Flossmoor, Wednesday, 28 October

Light rain. High 60°, low 50°.

Pressure30.12 inHg
Wind13.5 mph S
Humidity64%
Visibility—
Dew point44°
Thu, 2964° / 60°0.26Light rain
64 °Light rain

Flossmoor, Thursday, 29 October

Light rain. High 64°, low 60°.

Pressure29.85 inHg
Wind19.3 mph S
Humidity47%
Visibility—
Dew point43°
Fri, 3067° / 57°0.04Light rain
67 °Light rain

Flossmoor, Friday, 30 October

Light rain. High 67°, low 57°.

Pressure29.91 inHg
Wind8.3 mph SW
Humidity29%
Visibility—
Dew point33°
Sat, 3167° / 53°0.31Rain
67 °Rain

Flossmoor, Saturday, 31 October

Rain. High 67°, low 53°.

Pressure30.06 inHg
Wind13.2 mph E
Humidity48%
Visibility—
Dew point44°
Sun, 0167° / 54°0.05Light rain
67 °Light rain

Flossmoor, Sunday, 1 November

Light rain. High 67°, low 54°.

Pressure29.80 inHg
Wind17.2 mph W
Humidity43%
Visibility—
Dew point43°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 0254° / 42°0.12Climate normal
54 °Climate normal

Flossmoor, Monday, 2 November

Climate normal for this date — 60-year average.

Average high54°
Average low42°
Average precipitation0.12 in
Chance of precipitation40%
Record high73° (1961)
Record low25° (1991)
Tue, 0353° / 41°0.07Climate normal
53 °Climate normal

Flossmoor, Tuesday, 3 November

Climate normal for this date — 60-year average.

Average high53°
Average low41°
Average precipitation0.07 in
Chance of precipitation25%
Record high72° (1987)
Record low19° (1991)
Wed, 0453° / 42°0.09Climate normal
53 °Climate normal

Flossmoor, Wednesday, 4 November

Climate normal for this date — 60-year average.

Average high53°
Average low42°
Average precipitation0.09 in
Chance of precipitation27%
Record high71° (2015)
Record low18° (1991)
Thu, 0553° / 41°0.13Climate normal
53 °Climate normal

Flossmoor, Thursday, 5 November

Climate normal for this date — 60-year average.

Average high53°
Average low41°
Average precipitation0.13 in
Chance of precipitation32%
Record high74° (1978)
Record low20° (1991)
Fri, 0653° / 39°0.07Climate normal
53 °Climate normal

Flossmoor, Friday, 6 November

Climate normal for this date — 60-year average.

Average high53°
Average low39°
Average precipitation0.07 in
Chance of precipitation30%
Record high72° (1975)
Record low25° (1991)
Sat, 0751° / 39°0.06Climate normal
51 °Climate normal

Flossmoor, Saturday, 7 November

Climate normal for this date — 60-year average.

Average high51°
Average low39°
Average precipitation0.06 in
Chance of precipitation20%
Record high70° (2020)
Record low22° (1991)
Sun, 0851° / 39°0.06Climate normal
51 °Climate normal

Flossmoor, Sunday, 8 November

Climate normal for this date — 60-year average.

Average high51°
Average low39°
Average precipitation0.06 in
Chance of precipitation20%
Record high74° (2020)
Record low17° (1991)
Mon, 0952° / 39°0.13Climate normal
52 °Climate normal

Flossmoor, 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, 1050° / 39°0.13Climate normal
50 °Climate normal

Flossmoor, Tuesday, 10 November

Climate normal for this date — 60-year average.

Average high50°
Average low39°
Average precipitation0.13 in
Chance of precipitation40%
Record high73° (2020)
Record low18° (2018)
Wed, 1148° / 36°0.08Climate normal
48 °Climate normal

Flossmoor, Wednesday, 11 November

Climate normal for this date — 60-year average.

Average high48°
Average low36°
Average precipitation0.08 in
Chance of precipitation32%
Record high70° (1964)
Record low19° (2019)
Thu, 1247° / 35°0.06Climate normal
47 °Climate normal

Flossmoor, Thursday, 12 November

Climate normal for this date — 60-year average.

Average high47°
Average low35°
Average precipitation0.06 in
Chance of precipitation23%
Record high67° (1964)
Record low6° (2019)
Fri, 1347° / 35°0.05Climate normal
47 °Climate normal

Flossmoor, Friday, 13 November

Climate normal for this date — 60-year average.

Average high47°
Average low35°
Average precipitation0.05 in
Chance of precipitation20%
Record high68° (1999)
Record low3° (2019)
Sat, 1448° / 35°0.07Climate normal
48 °Climate normal

Flossmoor, Saturday, 14 November

Climate normal for this date — 60-year average.

Average high48°
Average low35°
Average precipitation0.07 in
Chance of precipitation33%
Record high68° (1971)
Record low15° (1986)
Sun, 1547° / 36°0.1Climate normal
47 °Climate normal

Flossmoor, Sunday, 15 November

Climate normal for this date — 60-year average.

Average high47°
Average low36°
Average precipitation0.1 in
Chance of precipitation32%
Record high67° (2025)
Record low21° (1982)

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 Flossmoor, 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 Flossmoor, 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.