Monthly outlook for Long Lake, SD: average high 55.9°, average low 39.5°. That is 4° above the climate normal for October. Precipitation is expected on 3 days (about 0.5 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 22 October (72.7°), the coolest 29 October (26°).
55.9°/39.5°
Average high / low
+4°
Above normal
3 / 3
Wet days / normal
0.5 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
21 October – 30 October
55.2°
50.6°
+2.5°
31 October – 9 November
57.1°
44.2°
+7.2°
10 November – 19 November
at normal
38°
—
October records over 66 years
87.8°1 October 1992All-time high
7°30 October 1991All-time low
Climate normals and records are computed from the nearest reference point — Ashley (15 mi).
Thu, 2273° / 41°0
73 °
Long Lake, Thursday, 22 October
Partly cloudy. High 73°, low 41°.
Pressure30.09 inHg
Wind12.1 mph SE
Humidity74%
Visibility6.2 mi
Dew point52°
Fri, 2371° / 54°0
71 °
Long Lake, Friday, 23 October
Overcast. High 71°, low 54°.
Pressure29.83 inHg
Wind17.7 mph SE
Humidity67%
Visibility6.2 mi
Dew point54°
Sat, 2464° / 44°0
64 °
Long Lake, Saturday, 24 October
Partly cloudy. High 64°, low 44°.
Pressure30.27 inHg
Wind19 mph NW
Humidity58%
Visibility6.2 mi
Dew point36°
Sun, 2541° / 36°0.17
41 °
Long Lake, Sunday, 25 October
Light rain. High 41°, low 36°.
Pressure30.50 inHg
Wind9 mph NE
Humidity71%
Visibility6.2 mi
Dew point29°
Mon, 2639° / 35°0.07
39 °
Long Lake, Monday, 26 October
Light rain. High 39°, low 35°.
Pressure30.47 inHg
Wind14.7 mph NE
Humidity77%
Visibility—
Dew point32°
Tue, 2747° / 34°0
47 °
Long Lake, Tuesday, 27 October
Light snow. High 47°, low 34°.
Pressure30.33 inHg
Wind8.3 mph N
Humidity44%
Visibility—
Dew point22°
Wed, 2845° / 32°0
45 °
Long Lake, Wednesday, 28 October
Overcast. High 45°, low 32°.
Pressure30.33 inHg
Wind12.9 mph NW
Humidity59%
Visibility—
Dew point28°
Thu, 2948° / 26°0
48 °
Long Lake, Thursday, 29 October
Clear. High 48°, low 26°.
Pressure30.33 inHg
Wind11.7 mph S
Humidity37%
Visibility—
Dew point17°
Fri, 3059° / 34°0
59 °
Long Lake, Friday, 30 October
Overcast. High 59°, low 34°.
Pressure29.77 inHg
Wind10.2 mph SE
Humidity50%
Visibility—
Dew point33°
Sat, 3162° / 45°0
62 °
Long Lake, Saturday, 31 October
Mostly clear. High 62°, low 45°.
Pressure29.85 inHg
Wind10.9 mph NW
Humidity36%
Visibility—
Dew point31°
Sun, 0160° / 43°0.04
60 °
Long Lake, Sunday, 1 November
Light rain. High 60°, low 43°.
Pressure30.06 inHg
Wind7 mph S
Humidity50%
Visibility—
Dew point38°
Mon, 0254° / 50°0.26
54 °
Long Lake, Monday, 2 November
Light rain. High 54°, low 50°.
Pressure30.12 inHg
Wind12.6 mph NE
Humidity98%
Visibility—
Dew point52°
Tue, 0353° / 41°0
53 °
Long Lake, Tuesday, 3 November
Overcast. High 53°, low 41°.
Pressure30.36 inHg
Wind12.8 mph NE
Humidity36%
Visibility—
Dew point23°
Wed, 0455° / 36°0
55 °
Long Lake, Wednesday, 4 November
Clear. High 55°, low 36°.
Pressure30.18 inHg
Wind15.9 mph S
Humidity37%
Visibility—
Dew point24°
Thu, 0558° / 40°0
58 °
Long Lake, Thursday, 5 November
Clear. High 58°, low 40°.
Pressure30.00 inHg
Wind7.5 mph NW
Humidity53%
Visibility—
Dew point37°
From day 17 onward the outlook is built from 60-year climate statistics
Fri, 0644° / 29°0.02
44 °
Long Lake, Friday, 6 November
Climate normal for this date — 60-year average.
Average high44°
Average low29°
Average precipitation0.02 in
Chance of precipitation8%
Record high68° (2016)
Record low-3° (1991)
Sat, 0744° / 29°0.04
44 °
Long Lake, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high44°
Average low29°
Average precipitation0.04 in
Chance of precipitation13%
Record high64° (1999)
Record low-7° (1991)
Sun, 0843° / 29°0.05
43 °
Long Lake, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high43°
Average low29°
Average precipitation0.05 in
Chance of precipitation25%
Record high67° (1978)
Record low6° (2003)
Mon, 0940° / 27°0.04
40 °
Long Lake, Monday, 9 November
Climate normal for this date — 60-year average.
Average high40°
Average low27°
Average precipitation0.04 in
Chance of precipitation17%
Record high62° (2016)
Record low8° (1986)
Tue, 1038° / 24°0.07
38 °
Long Lake, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high38°
Average low24°
Average precipitation0.07 in
Chance of precipitation23%
Record high59° (1989)
Record low-1° (1986)
Wed, 1137° / 24°0.02
37 °
Long Lake, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high37°
Average low24°
Average precipitation0.02 in
Chance of precipitation13%
Record high63° (2005)
Record low-1° (1986)
Thu, 1238° / 24°0.03
38 °
Long Lake, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high38°
Average low24°
Average precipitation0.03 in
Chance of precipitation13%
Record high62° (1999)
Record low-4° (1986)
Fri, 1340° / 26°0.02
40 °
Long Lake, Friday, 13 November
Climate normal for this date — 60-year average.
Average high40°
Average low26°
Average precipitation0.02 in
Chance of precipitation18%
Record high62° (2016)
Record low-5° (1986)
Sat, 1439° / 26°0.02
39 °
Long Lake, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high39°
Average low26°
Average precipitation0.02 in
Chance of precipitation15%
Record high61° (2025)
Record low0° (2014)
Sun, 1538° / 26°0.01
38 °
Long Lake, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high38°
Average low26°
Average precipitation0.01 in
Chance of precipitation13%
Record high60° (2001)
Record low4° (2014)
Mon, 1639° / 25°0.02
39 °
Long Lake, Monday, 16 November
Climate normal for this date — 60-year average.
Average high39°
Average low25°
Average precipitation0.02 in
Chance of precipitation10%
Record high62° (2001)
Record low-1° (2014)
Tue, 1737° / 25°0.02
37 °
Long Lake, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high37°
Average low25°
Average precipitation0.02 in
Chance of precipitation17%
Record high62° (2001)
Record low6° (2014)
Wed, 1837° / 23°0.04
37 °
Long Lake, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high37°
Average low23°
Average precipitation0.04 in
Chance of precipitation23%
Record high53° (2020)
Record low2° (2022)
Thu, 1936° / 24°0.05
36 °
Long Lake, Thursday, 19 November
Climate normal for this date — 60-year average.
Average high36°
Average low24°
Average precipitation0.05 in
Chance of precipitation18%
Record high58° (1989)
Record low5° (1978)
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 Long Lake, SD 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 Long Lake, SD 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.