Monthly outlook for Mud Butte, SD: average high 57.3°, average low 40°. That is 0.5° above the climate normal for October. Precipitation is expected on 2 days (about 0.5 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 23 October (74.3°), the coolest 16 October (32.3°).
57.3°/40°
Average high / low
+0.5°
Above normal
2 / 3
Wet days / normal
0.5 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
16 October – 25 October
63.1°
58.3°
+2.6°
26 October – 4 November
47.8°
52.3°
-2.5°
5 November – 14 November
at normal
46.6°
—
October records over 66 years
93.4°3 October 2025All-time high
-7.1°26 October 2020All-time low
Climate normals and records are computed from the nearest reference point — Sulphur (9 mi).
Sat, 1773° / 36°0
73 °
Mud Butte, Saturday, 17 October
Clear. High 73°, low 36°.
Pressure30.03 inHg
Wind5.5 mph W
Humidity26%
Visibility6.2 mi
Dew point33°
Sun, 1868° / 45°0
68 °
Mud Butte, Sunday, 18 October
Clear. High 68°, low 45°.
Pressure30.06 inHg
Wind10.2 mph NE
Humidity36%
Visibility6.2 mi
Dew point38°
Mon, 1962° / 39°0
62 °
Mud Butte, Monday, 19 October
Clear. High 62°, low 39°.
Pressure30.09 inHg
Wind9 mph SE
Humidity54%
Visibility6.2 mi
Dew point42°
Tue, 2068° / 45°0
68 °
Mud Butte, Tuesday, 20 October
Clear. High 68°, low 45°.
Pressure29.94 inHg
Wind10.8 mph SE
Humidity56%
Visibility—
Dew point44°
Wed, 2166° / 48°0
66 °
Mud Butte, Wednesday, 21 October
Clear. High 66°, low 48°.
Pressure30.15 inHg
Wind10.5 mph NW
Humidity60%
Visibility—
Dew point46°
Thu, 2268° / 45°0
68 °
Mud Butte, Thursday, 22 October
Clear. High 68°, low 45°.
Pressure30.09 inHg
Wind23.6 mph SE
Humidity33%
Visibility—
Dew point31°
Fri, 2374° / 49°0.04
74 °
Mud Butte, Friday, 23 October
Light rain. High 74°, low 49°.
Pressure29.65 inHg
Wind24.9 mph SE
Humidity89%
Visibility—
Dew point56°
Sat, 2453° / 41°0
53 °
Mud Butte, Saturday, 24 October
Overcast. High 53°, low 41°.
Pressure30.15 inHg
Wind27.6 mph W
Humidity44%
Visibility—
Dew point28°
Sun, 2547° / 36°0
47 °
Mud Butte, Sunday, 25 October
Overcast. High 47°, low 36°.
Pressure30.30 inHg
Wind9.5 mph N
Humidity33%
Visibility—
Dew point15°
Mon, 2646° / 34°0
46 °
Mud Butte, Monday, 26 October
Overcast. High 46°, low 34°.
Pressure30.27 inHg
Wind10.5 mph SE
Humidity47%
Visibility—
Dew point22°
Tue, 2755° / 33°0
55 °
Mud Butte, Tuesday, 27 October
Mostly clear. High 55°, low 33°.
Pressure29.94 inHg
Wind12.8 mph SE
Humidity50%
Visibility—
Dew point29°
Wed, 2842° / 39°0.11
42 °
Mud Butte, Wednesday, 28 October
Light rain. High 42°, low 39°.
Pressure29.83 inHg
Wind11.3 mph E
Humidity95%
Visibility—
Dew point40°
Thu, 2952° / 42°0.38
52 °
Mud Butte, Thursday, 29 October
Light rain. High 52°, low 42°.
Pressure29.94 inHg
Wind13.9 mph NW
Humidity75%
Visibility—
Dew point39°
Fri, 3051° / 38°0
51 °
Mud Butte, Friday, 30 October
Overcast. High 51°, low 38°.
Pressure30.27 inHg
Wind8.7 mph E
Humidity62%
Visibility—
Dew point34°
Sat, 3141° / 36°0.01
41 °
Mud Butte, Saturday, 31 October
Light rain. High 41°, low 36°.
Pressure30.27 inHg
Wind9.3 mph NE
Humidity88%
Visibility—
Dew point37°
From day 17 onward the outlook is built from 60-year climate statistics
Sun, 0151° / 33°0.04
51 °
Mud Butte, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high51°
Average low33°
Average precipitation0.04 in
Chance of precipitation17%
Record high72° (1965)
Record low4° (2002)
Mon, 0251° / 32°0.02
51 °
Mud Butte, Monday, 2 November
Climate normal for this date — 60-year average.
Average high51°
Average low32°
Average precipitation0.02 in
Chance of precipitation10%
Record high73° (1965)
Record low-3° (1991)
Tue, 0350° / 33°0.02
50 °
Mud Butte, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high50°
Average low33°
Average precipitation0.02 in
Chance of precipitation15%
Record high71° (2020)
Record low-3° (1991)
Wed, 0452° / 31°0.01
52 °
Mud Butte, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high52°
Average low31°
Average precipitation0.01 in
Chance of precipitation10%
Record high78° (1978)
Record low2° (1991)
Thu, 0550° / 31°0.03
50 °
Mud Butte, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high50°
Average low31°
Average precipitation0.03 in
Chance of precipitation13%
Record high71° (2001)
Record low6° (2003)
Fri, 0650° / 30°0.04
50 °
Mud Butte, Friday, 6 November
Climate normal for this date — 60-year average.
Average high50°
Average low30°
Average precipitation0.04 in
Chance of precipitation12%
Record high73° (2009)
Record low3° (1991)
Sat, 0750° / 30°0.03
50 °
Mud Butte, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high50°
Average low30°
Average precipitation0.03 in
Chance of precipitation12%
Record high73° (1999)
Record low-6° (1991)
Sun, 0848° / 30°0.04
48 °
Mud Butte, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high48°
Average low30°
Average precipitation0.04 in
Chance of precipitation18%
Record high78° (1999)
Record low8° (2000)
Mon, 0944° / 28°0.06
44 °
Mud Butte, Monday, 9 November
Climate normal for this date — 60-year average.
Average high44°
Average low28°
Average precipitation0.06 in
Chance of precipitation20%
Record high70° (2001)
Record low1° (1966)
Tue, 1045° / 27°0.05
45 °
Mud Butte, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high45°
Average low27°
Average precipitation0.05 in
Chance of precipitation20%
Record high70° (2007)
Record low-8° (1986)
Wed, 1143° / 26°0.02
43 °
Mud Butte, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high43°
Average low26°
Average precipitation0.02 in
Chance of precipitation13%
Record high68° (2005)
Record low-10° (1986)
Thu, 1245° / 26°0.02
45 °
Mud Butte, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high45°
Average low26°
Average precipitation0.02 in
Chance of precipitation12%
Record high74° (1999)
Record low-9° (1986)
Fri, 1346° / 28°0.02
46 °
Mud Butte, Friday, 13 November
Climate normal for this date — 60-year average.
Average high46°
Average low28°
Average precipitation0.02 in
Chance of precipitation13%
Record high69° (1990)
Record low-18° (1986)
Sat, 1446° / 29°0.02
46 °
Mud Butte, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high46°
Average low29°
Average precipitation0.02 in
Chance of precipitation18%
Record high73° (2025)
Record low-1° (2014)
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 Mud Butte, 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 Mud Butte, 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.