Monthly outlook for Powell, SD: average high 64.1°, average low 45.2°. That is 1.9° above the climate normal for October. Precipitation is expected on 3 days (about 0.6 inches), against a normal of 3 days and 0.8 inches. The warmest day looks like 10 October (89.4°), the coolest 17 October (31.8°).
64.1°/45.2°
Average high / low
+1.9°
Above normal
3 / 3
Wet days / normal
0.6 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
9 October – 18 October
63.9°
61.3°
+1.4°
19 October – 28 October
64.5°
58.7°
+3.2°
29 October – 7 November
at normal
52.3°
—
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).
Sat, 1089° / 61°0
89 °
Powell, Saturday, 10 October
Clear. High 89°, low 61°.
Pressure29.50 inHg
Wind12.2 mph W
Humidity24%
Visibility6.2 mi
Dew point44°
Sun, 1164° / 52°0
64 °
Powell, Sunday, 11 October
Overcast. High 64°, low 52°.
Pressure29.77 inHg
Wind12.5 mph N
Humidity62%
Visibility6.2 mi
Dew point50°
Mon, 1257° / 48°0.33
57 °
Powell, Monday, 12 October
Heavy rain. High 57°, low 48°.
Pressure29.85 inHg
Wind3.1 mph NE
Humidity77%
Visibility6.2 mi
Dew point47°
Tue, 1349° / 44°0.11
49 °
Powell, Tuesday, 13 October
Light rain. High 49°, low 44°.
Pressure30.18 inHg
Wind10.5 mph N
Humidity75%
Visibility—
Dew point38°
Wed, 1454° / 44°0.17
54 °
Powell, Wednesday, 14 October
Rain. High 54°, low 44°.
Pressure30.06 inHg
Wind8.1 mph SE
Humidity65%
Visibility—
Dew point40°
Thu, 1561° / 50°0.01
61 °
Powell, Thursday, 15 October
Light rain. High 61°, low 50°.
Pressure30.00 inHg
Wind29.4 mph NW
Humidity49%
Visibility—
Dew point37°
Fri, 1647° / 38°0
47 °
Powell, Friday, 16 October
Clear. High 47°, low 38°.
Pressure30.45 inHg
Wind36.4 mph NW
Humidity37%
Visibility—
Dew point19°
Sat, 1767° / 32°0
67 °
Powell, Saturday, 17 October
Clear. High 67°, low 32°.
Pressure30.24 inHg
Wind17.6 mph S
Humidity19%
Visibility—
Dew point11°
Sun, 1863° / 44°0
63 °
Powell, Sunday, 18 October
Partly cloudy. High 63°, low 44°.
Pressure30.12 inHg
Wind11.1 mph NW
Humidity24%
Visibility—
Dew point21°
Mon, 1974° / 47°0
74 °
Powell, Monday, 19 October
Mostly clear. High 74°, low 47°.
Pressure29.91 inHg
Wind15.6 mph SE
Humidity37%
Visibility—
Dew point38°
Tue, 2073° / 54°0
73 °
Powell, Tuesday, 20 October
Overcast. High 73°, low 54°.
Pressure29.85 inHg
Wind17.9 mph NW
Humidity23%
Visibility—
Dew point30°
Wed, 2166° / 48°0
66 °
Powell, Wednesday, 21 October
Clear. High 66°, low 48°.
Pressure30.12 inHg
Wind10.2 mph S
Humidity32%
Visibility—
Dew point29°
Thu, 2260° / 43°0
60 °
Powell, Thursday, 22 October
Overcast. High 60°, low 43°.
Pressure30.18 inHg
Wind29.8 mph NW
Humidity40%
Visibility—
Dew point29°
Fri, 2351° / 35°0
51 °
Powell, Friday, 23 October
Partly cloudy. High 51°, low 35°.
Pressure30.39 inHg
Wind16.6 mph NW
Humidity38%
Visibility—
Dew point21°
Sat, 2463° / 36°0
63 °
Powell, Saturday, 24 October
Clear. High 63°, low 36°.
Pressure30.03 inHg
Wind10.8 mph SE
Humidity26%
Visibility—
Dew point20°
From day 17 onward the outlook is built from 60-year climate statistics
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)
Sat, 0751° / 31°0.04
51 °
Powell, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high51°
Average low31°
Average precipitation0.04 in
Chance of precipitation12%
Record high76° (1999)
Record low-3° (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.