As of 22:11 MDT

Weather in St. Ignatius, MT

38°Current weather

St. Ignatius, Friday, 23 October, 22:11

Overcast. Feels like 38°. High 48°, low 38°.

Pressure30.24 inHg
Wind2.1 mph SE
Humidity90%
Visibility6.2 mi
Dew point35°

Monthly outlook for St. Ignatius, MT: average high 53.5°, average low 38.3°. That is 2.6° above the climate normal for October. Precipitation is expected on 5 days (about 0.8 inches), against a normal of 7 days and 1.5 inches. The warmest day looks like 7 November (69.8°), the coolest 1 November (31.3°).

53.5°/38.3°
Average high / low
+2.6°
Above normal
5 / 7
Wet days / normal
0.8 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
23 October – 1 November48.8°50.3°-0.8°
2 November – 11 November61.2°44.9°+9°
12 November – 21 Novemberat normal40.9°—

October records over 66 years

85.6°1 October 1992All-time high
-2.2°25 October 2020All-time low
Sat, 2451° / 37°0Clear
51 °Clear

St. Ignatius, Saturday, 24 October

Clear. High 51°, low 37°.

Pressure30.24 inHg
Wind1.9 mph W
Humidity68%
Visibility6.2 mi
Dew point37°
Sun, 2548° / 36°0Partly cloudy
48 °Partly cloudy

St. Ignatius, Sunday, 25 October

Partly cloudy. High 48°, low 36°.

Pressure30.24 inHg
Wind4.4 mph W
Humidity68%
Visibility6.2 mi
Dew point35°
Mon, 2648° / 35°0Overcast
48 °Overcast

St. Ignatius, Monday, 26 October

Overcast. High 48°, low 35°.

Pressure30.06 inHg
Wind3.1 mph NW
Humidity70%
Visibility6.2 mi
Dew point34°
Tue, 2745° / 38°0.19Light rain
45 °Light rain

St. Ignatius, Tuesday, 27 October

Light rain. High 45°, low 38°.

Pressure30.06 inHg
Wind5.2 mph SE
Humidity64%
Visibility6.2 mi
Dew point35°
Wed, 2849° / 36°0.19Light rain
49 °Light rain

St. Ignatius, Wednesday, 28 October

Light rain. High 49°, low 36°.

Pressure30.00 inHg
Wind2 mph SE
Humidity78%
Visibility—
Dew point36°
Thu, 2952° / 35°0.04Light rain
52 °Light rain

St. Ignatius, Thursday, 29 October

Light rain. High 52°, low 35°.

Pressure29.91 inHg
Wind3.8 mph E
Humidity75%
Visibility—
Dew point35°
Fri, 3048° / 33°0.05Light snow
48 °Light snow

St. Ignatius, Friday, 30 October

Light snow. High 48°, low 33°.

Pressure30.06 inHg
Wind4.9 mph SE
Humidity62%
Visibility—
Dew point31°
Sat, 3149° / 32°0Clear
49 °Clear

St. Ignatius, Saturday, 31 October

Clear. High 49°, low 32°.

Pressure30.18 inHg
Wind6.3 mph S
Humidity48%
Visibility—
Dew point24°
Sun, 0150° / 31°0Overcast
50 °Overcast

St. Ignatius, Sunday, 1 November

Overcast. High 50°, low 31°.

Pressure30.45 inHg
Wind4.9 mph SE
Humidity36%
Visibility—
Dew point17°
Mon, 0253° / 33°0Mostly clear
53 °Mostly clear

St. Ignatius, Monday, 2 November

Mostly clear. High 53°, low 33°.

Pressure30.42 inHg
Wind5.3 mph SE
Humidity26%
Visibility—
Dew point13°
Tue, 0357° / 36°0Overcast
57 °Overcast

St. Ignatius, Tuesday, 3 November

Overcast. High 57°, low 36°.

Pressure30.18 inHg
Wind6.5 mph S
Humidity30%
Visibility—
Dew point18°
Wed, 0462° / 40°0Overcast
62 °Overcast

St. Ignatius, Wednesday, 4 November

Overcast. High 62°, low 40°.

Pressure29.94 inHg
Wind7.5 mph S
Humidity33%
Visibility—
Dew point24°
Thu, 0557° / 47°0Overcast
57 °Overcast

St. Ignatius, Thursday, 5 November

Overcast. High 57°, low 47°.

Pressure29.88 inHg
Wind8.9 mph S
Humidity46%
Visibility—
Dew point35°
Fri, 0667° / 54°0Overcast
67 °Overcast

St. Ignatius, Friday, 6 November

Overcast. High 67°, low 54°.

Pressure30.24 inHg
Wind7.2 mph S
Humidity61%
Visibility—
Dew point46°
Sat, 0770° / 51°0Mostly clear
70 °Mostly clear

St. Ignatius, Saturday, 7 November

Mostly clear. High 70°, low 51°.

Pressure30.27 inHg
Wind6.5 mph SE
Humidity46%
Visibility—
Dew point41°
From day 17 onward the outlook is built from 60-year climate statistics
Sun, 0844° / 30°0.09Climate normal
44 °Climate normal

St. Ignatius, Sunday, 8 November

Climate normal for this date — 60-year average.

Average high44°
Average low30°
Average precipitation0.09 in
Chance of precipitation50%
Record high60° (2016)
Record low9° (2000)
Mon, 0944° / 30°0.1Climate normal
44 °Climate normal

St. Ignatius, Monday, 9 November

Climate normal for this date — 60-year average.

Average high44°
Average low30°
Average precipitation0.1 in
Chance of precipitation48%
Record high64° (2016)
Record low11° (1986)
Tue, 1043° / 28°0.07Climate normal
43 °Climate normal

St. Ignatius, Tuesday, 10 November

Climate normal for this date — 60-year average.

Average high43°
Average low28°
Average precipitation0.07 in
Chance of precipitation40%
Record high62° (2016)
Record low-10° (1986)
Wed, 1142° / 27°0.09Climate normal
42 °Climate normal

St. Ignatius, Wednesday, 11 November

Climate normal for this date — 60-year average.

Average high42°
Average low27°
Average precipitation0.09 in
Chance of precipitation37%
Record high61° (2016)
Record low-2° (2000)
Thu, 1242° / 28°0.11Climate normal
42 °Climate normal

St. Ignatius, 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°0.1Climate normal
42 °Climate normal

St. Ignatius, 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°0.09Climate normal
42 °Climate normal

St. Ignatius, 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°0.04Climate normal
43 °Climate normal

St. Ignatius, 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°0.1Climate normal
42 °Climate normal

St. Ignatius, 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°0.09Climate normal
41 °Climate normal

St. Ignatius, 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°0.11Climate normal
40 °Climate normal

St. Ignatius, 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°0.09Climate normal
39 °Climate normal

St. Ignatius, 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°0.09Climate normal
39 °Climate normal

St. Ignatius, 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°0.09Climate normal
38 °Climate normal

St. Ignatius, 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)

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 St. Ignatius, 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 St. Ignatius, 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.