Monthly outlook for Powell, SD: average high 62.9°, average low 44.1°. That is 0.9° above the climate normal for October. Precipitation is expected on 3 days (about 0.9 inches), against a normal of 3 days and 0.8 inches. The warmest day looks like 10 October (89.7°), the coolest 17 October (33.2°).
62.9°/44.1°
Average high / low
+0.9°
Above normal
3 / 3
Wet days / normal
0.9 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
8 October – 17 October
64.6°
61.8°
+1.5°
18 October – 27 October
60°
59°
+0.5°
28 October – 6 November
at normal
52.8°
—
October records over 66 years
93.6°4 October 1963All-time high
-0°26 October 2020All-time low
Climate normals and records are computed from the nearest reference point — Kadoka (15 mi).
Fri, 0989° / 41°0
89 °
Powell, Friday, 9 October
Clear. High 89°, low 41°.
Pressure29.71 inHg
Wind11.6 mph SE
Humidity51%
Visibility6.2 mi
Dew point59°
Sat, 1090° / 65°0
90 °
Powell, Saturday, 10 October
Clear. High 90°, low 65°.
Pressure29.50 inHg
Wind11.9 mph SW
Humidity22%
Visibility6.2 mi
Dew point43°
Sun, 1161° / 47°0.01
61 °
Powell, Sunday, 11 October
Light rain. High 61°, low 47°.
Pressure29.91 inHg
Wind16.9 mph N
Humidity62%
Visibility6.2 mi
Dew point40°
Mon, 1248° / 42°0.16
48 °
Powell, Monday, 12 October
Light rain. High 48°, low 42°.
Pressure30.06 inHg
Wind13.7 mph NW
Humidity76%
Visibility—
Dew point40°
Tue, 1370° / 35°0
70 °
Powell, Tuesday, 13 October
Clear. High 70°, low 35°.
Pressure30.21 inHg
Wind17.3 mph S
Humidity52%
Visibility—
Dew point33°
Wed, 1466° / 55°0.04
66 °
Powell, Wednesday, 14 October
Light rain. High 66°, low 55°.
Pressure29.47 inHg
Wind18.7 mph NW
Humidity53%
Visibility—
Dew point48°
Thu, 1556° / 40°0.67
56 °
Powell, Thursday, 15 October
Rain. High 56°, low 40°.
Pressure29.91 inHg
Wind23.4 mph NW
Humidity87%
Visibility—
Dew point42°
Fri, 1640° / 37°0.04
40 °
Powell, Friday, 16 October
Light snow. High 40°, low 37°.
Pressure30.36 inHg
Wind22.9 mph NW
Humidity69%
Visibility—
Dew point29°
Sat, 1749° / 33°0
49 °
Powell, Saturday, 17 October
Mostly clear. High 49°, low 33°.
Pressure30.24 inHg
Wind7.9 mph NW
Humidity48%
Visibility—
Dew point25°
Sun, 1864° / 40°0
64 °
Powell, Sunday, 18 October
Overcast. High 64°, low 40°.
Pressure30.06 inHg
Wind8.3 mph S
Humidity29%
Visibility—
Dew point24°
Mon, 1962° / 49°0
62 °
Powell, Monday, 19 October
Clear. High 62°, low 49°.
Pressure30.15 inHg
Wind17.7 mph NW
Humidity34%
Visibility—
Dew point31°
Tue, 2057° / 43°0
57 °
Powell, Tuesday, 20 October
Mostly clear. High 57°, low 43°.
Pressure30.33 inHg
Wind13.3 mph SE
Humidity45%
Visibility—
Dew point30°
Wed, 2173° / 48°0
73 °
Powell, Wednesday, 21 October
Partly cloudy. High 73°, low 48°.
Pressure29.68 inHg
Wind20.3 mph SW
Humidity29%
Visibility—
Dew point33°
Thu, 2257° / 46°0.01
57 °
Powell, Thursday, 22 October
Light rain. High 57°, low 46°.
Pressure29.59 inHg
Wind26.7 mph NW
Humidity33%
Visibility—
Dew point26°
Fri, 2347° / 41°0
47 °
Powell, Friday, 23 October
Overcast. High 47°, low 41°.
Pressure29.97 inHg
Wind22.7 mph NW
Humidity37%
Visibility—
Dew point21°
From day 17 onward the outlook is built from 60-year climate statistics
Sat, 2457° / 38°0.04
57 °
Powell, Saturday, 24 October
Climate normal for this date — 60-year average.
Average high57°
Average low38°
Average precipitation0.04 in
Chance of precipitation17%
Record high80° (1960)
Record low21° (2002)
Sun, 2558° / 38°0.02
58 °
Powell, Sunday, 25 October
Climate normal for this date — 60-year average.
Average high58°
Average low38°
Average precipitation0.02 in
Chance of precipitation10%
Record high78° (1989)
Record low12° (2020)
Mon, 2658° / 38°0.03
58 °
Powell, Monday, 26 October
Climate normal for this date — 60-year average.
Average high58°
Average low38°
Average precipitation0.03 in
Chance of precipitation10%
Record high78° (1990)
Record low0° (2020)
Tue, 2756° / 37°0.02
56 °
Powell, Tuesday, 27 October
Climate normal for this date — 60-year average.
Average high56°
Average low37°
Average precipitation0.02 in
Chance of precipitation12%
Record high79° (2016)
Record low7° (2020)
Wed, 2856° / 37°0.06
56 °
Powell, Wednesday, 28 October
Climate normal for this date — 60-year average.
Average high56°
Average low37°
Average precipitation0.06 in
Chance of precipitation15%
Record high78° (2016)
Record low16° (1991)
Thu, 2955° / 36°0.09
55 °
Powell, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high55°
Average low36°
Average precipitation0.09 in
Chance of precipitation30%
Record high79° (1978)
Record low7° (1991)
Fri, 3053° / 35°0.04
53 °
Powell, Friday, 30 October
Climate normal for this date — 60-year average.
Average high53°
Average low35°
Average precipitation0.04 in
Chance of precipitation18%
Record high78° (1968)
Record low1° (1991)
Sat, 3153° / 35°0.03
53 °
Powell, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high53°
Average low35°
Average precipitation0.03 in
Chance of precipitation12%
Record high80° (1990)
Record low2° (1991)
Sun, 0152° / 34°0.03
52 °
Powell, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high52°
Average low34°
Average precipitation0.03 in
Chance of precipitation17%
Record high73° (1990)
Record low3° (2002)
Mon, 0252° / 33°0.02
52 °
Powell, Monday, 2 November
Climate normal for this date — 60-year average.
Average high52°
Average low33°
Average precipitation0.02 in
Chance of precipitation15%
Record high77° (2008)
Record low1° (1991)
Tue, 0351° / 34°0.04
51 °
Powell, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high51°
Average low34°
Average precipitation0.04 in
Chance of precipitation18%
Record high70° (1978)
Record low0° (1991)
Wed, 0453° / 32°0.02
53 °
Powell, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high53°
Average low32°
Average precipitation0.02 in
Chance of precipitation10%
Record high78° (1978)
Record low3° (1991)
Thu, 0553° / 33°0.04
53 °
Powell, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high53°
Average low33°
Average precipitation0.04 in
Chance of precipitation10%
Record high76° (2001)
Record low9° (2003)
Fri, 0651° / 32°0.04
51 °
Powell, Friday, 6 November
Climate normal for this date — 60-year average.
Average high51°
Average low32°
Average precipitation0.04 in
Chance of precipitation17%
Record high77° (2020)
Record low3° (1991)
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 Powell, 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 Powell, 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.