Monthly outlook for Post Creek, MT: average high 48.4°, average low 36.8°. That is 1.2° above the climate normal for October. Precipitation is expected on 6 days (about 0.7 inches), against a normal of 7 days and 1.6 inches. The warmest day looks like 8 November (56.5°), the coolest 30 October (29.7°).
48.4°/36.8°
Average high / low
+1.2°
Above normal
6 / 7
Wet days / normal
0.7 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
27 October – 5 November
46.1°
47.9°
-1°
6 November – 15 November
52.2°
43.2°
+5°
16 November – 25 November
at normal
38.6°
—
October records over 66 years
85.6°1 October 1992All-time high
-2.2°25 October 2020All-time low
Climate normals and records are computed from the nearest reference point — St. Ignatius (6 mi).
Wed, 2842° / 33°0.1
42 °
Post Creek, Wednesday, 28 October
Snow. High 42°, low 33°.
Pressure30.00 inHg
Wind8.8 mph S
Humidity62%
Visibility6.2 mi
Dew point30°
Thu, 2946° / 32°0.02
46 °
Post Creek, Thursday, 29 October
Light snow. High 46°, low 32°.
Pressure30.12 inHg
Wind2 mph NW
Humidity71%
Visibility6.2 mi
Dew point34°
Fri, 3046° / 30°0
46 °
Post Creek, Friday, 30 October
Mostly clear. High 46°, low 30°.
Pressure30.00 inHg
Wind2.9 mph W
Humidity70%
Visibility6.2 mi
Dew point32°
Sat, 3145° / 34°0
45 °
Post Creek, Saturday, 31 October
Overcast. High 45°, low 34°.
Pressure30.03 inHg
Wind2.9 mph W
Humidity85%
Visibility—
Dew point35°
Sun, 0139° / 36°0.19
39 °
Post Creek, Sunday, 1 November
Light rain. High 39°, low 36°.
Pressure30.03 inHg
Wind4.4 mph SE
Humidity96%
Visibility—
Dew point36°
Mon, 0246° / 33°0
46 °
Post Creek, Monday, 2 November
Clear. High 46°, low 33°.
Pressure30.56 inHg
Wind4 mph SE
Humidity68%
Visibility—
Dew point31°
Tue, 0351° / 33°0
51 °
Post Creek, Tuesday, 3 November
Overcast. High 51°, low 33°.
Pressure30.42 inHg
Wind3.7 mph NW
Humidity43%
Visibility—
Dew point23°
Wed, 0451° / 38°0
51 °
Post Creek, Wednesday, 4 November
Overcast. High 51°, low 38°.
Pressure30.18 inHg
Wind3.5 mph SE
Humidity47%
Visibility—
Dew point27°
Thu, 0552° / 39°0
52 °
Post Creek, Thursday, 5 November
Overcast. High 52°, low 39°.
Pressure30.18 inHg
Wind3.9 mph NW
Humidity47%
Visibility—
Dew point28°
Fri, 0655° / 39°0
55 °
Post Creek, Friday, 6 November
Partly cloudy. High 55°, low 39°.
Pressure30.03 inHg
Wind3.4 mph SE
Humidity49%
Visibility—
Dew point31°
Sat, 0756° / 42°0
56 °
Post Creek, Saturday, 7 November
Overcast. High 56°, low 42°.
Pressure29.88 inHg
Wind3.2 mph SE
Humidity54%
Visibility—
Dew point33°
Sun, 0856° / 45°0.07
56 °
Post Creek, Sunday, 8 November
Light rain. High 56°, low 45°.
Pressure29.94 inHg
Wind6.2 mph SW
Humidity60%
Visibility—
Dew point39°
Mon, 0951° / 41°0.09
51 °
Post Creek, Monday, 9 November
Light rain. High 51°, low 41°.
Pressure30.12 inHg
Wind4.6 mph SE
Humidity71%
Visibility—
Dew point37°
Tue, 1047° / 37°0.07
47 °
Post Creek, Tuesday, 10 November
Light rain. High 47°, low 37°.
Pressure30.00 inHg
Wind5.1 mph SE
Humidity63%
Visibility—
Dew point33°
Wed, 1147° / 39°0.03
47 °
Post Creek, Wednesday, 11 November
Snow. High 47°, low 39°.
Pressure30.03 inHg
Wind4 mph SE
Humidity80%
Visibility—
Dew point37°
From day 17 onward the outlook is built from 60-year climate statistics
Thu, 1242° / 28°0.11
42 °
Post Creek, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high42°
Average low28°
Average precipitation0.11 in
Chance of precipitation48%
Record high66° (1999)
Record low0° (1986)
Fri, 1342° / 29°0.1
42 °
Post Creek, Friday, 13 November
Climate normal for this date — 60-year average.
Average high42°
Average low29°
Average precipitation0.1 in
Chance of precipitation52%
Record high65° (2025)
Record low4° (2000)
Sat, 1442° / 28°0.09
42 °
Post Creek, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high42°
Average low28°
Average precipitation0.09 in
Chance of precipitation40%
Record high62° (1999)
Record low2° (2000)
Sun, 1543° / 27°0.04
43 °
Post Creek, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high43°
Average low27°
Average precipitation0.04 in
Chance of precipitation30%
Record high62° (2021)
Record low5° (2014)
Mon, 1642° / 28°0.1
42 °
Post Creek, Monday, 16 November
Climate normal for this date — 60-year average.
Average high42°
Average low28°
Average precipitation0.1 in
Chance of precipitation52%
Record high57° (2001)
Record low6° (1996)
Tue, 1741° / 29°0.09
41 °
Post Creek, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high41°
Average low29°
Average precipitation0.09 in
Chance of precipitation52%
Record high57° (1976)
Record low4° (1961)
Wed, 1840° / 28°0.11
40 °
Post Creek, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high40°
Average low28°
Average precipitation0.11 in
Chance of precipitation52%
Record high60° (2008)
Record low1° (2022)
Thu, 1939° / 27°0.09
39 °
Post Creek, Thursday, 19 November
Climate normal for this date — 60-year average.
Average high39°
Average low27°
Average precipitation0.09 in
Chance of precipitation43%
Record high53° (2008)
Record low0° (2000)
Fri, 2039° / 26°0.09
39 °
Post Creek, Friday, 20 November
Climate normal for this date — 60-year average.
Average high39°
Average low26°
Average precipitation0.09 in
Chance of precipitation48%
Record high51° (2001)
Record low-4° (1977)
Sat, 2138° / 25°0.09
38 °
Post Creek, Saturday, 21 November
Climate normal for this date — 60-year average.
Average high38°
Average low25°
Average precipitation0.09 in
Chance of precipitation47%
Record high50° (1974)
Record low-8° (1977)
Sun, 2237° / 25°0.09
37 °
Post Creek, Sunday, 22 November
Climate normal for this date — 60-year average.
Average high37°
Average low25°
Average precipitation0.09 in
Chance of precipitation50%
Record high55° (2017)
Record low-5° (1970)
Mon, 2337° / 23°0.09
37 °
Post Creek, Monday, 23 November
Climate normal for this date — 60-year average.
Average high37°
Average low23°
Average precipitation0.09 in
Chance of precipitation50%
Record high57° (2017)
Record low-15° (1985)
Tue, 2437° / 26°0.14
37 °
Post Creek, Tuesday, 24 November
Climate normal for this date — 60-year average.
Average high37°
Average low26°
Average precipitation0.14 in
Chance of precipitation58%
Record high49° (2017)
Record low-14° (1985)
Wed, 2536° / 24°0.16
36 °
Post Creek, Wednesday, 25 November
Climate normal for this date — 60-year average.
Average high36°
Average low24°
Average precipitation0.16 in
Chance of precipitation60%
Record high49° (2009)
Record low-12° (2010)
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 Post Creek, MT 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 Post Creek, MT 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.