As of 05:06 MDT

Weather in Waterloo, MT

48°Current weather

Waterloo, Saturday, 10 October, 05:06

Overcast. Feels like 48°. High 58°, low 36°.

Pressure29.56 inHg
Wind1.1 mph W
Humidity50%
Visibility2.4 mi
Dew point32°

Monthly outlook for Waterloo, MT: average high 53°, average low 36.2°. That is 2.1° below the climate normal for October. Precipitation is expected on 4 days (about 1.3 inches), against a normal of 4 days and 0.8 inches. The warmest day looks like 20 October (67.1°), the coolest 13 October (26°).

53°/36.2°
Average high / low
−2.1°
Below normal
4 / 4
Wet days / normal
1.3 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
10 October – 19 October50.6°57.5°-3.8°
20 October – 29 October57°53.8°+1.7°
30 October – 8 Novemberat normal46.9°—

October records over 66 years

86°3 October 2010All-time high
-11.4°31 October 1996All-time low

Climate normals and records are computed from the nearest reference point — Cardwell (15 mi).

Sun, 1142° / 31°0.46Snow
42 °Snow

Waterloo, Sunday, 11 October

Snow. High 42°, low 31°.

Pressure29.94 inHg
Wind6.3 mph NE
Humidity82%
Visibility2.4 mi
Dew point30°
Mon, 1233° / 28°0.27Snow
33 °Snow

Waterloo, Monday, 12 October

Snow. High 33°, low 28°.

Pressure30.15 inHg
Wind2.8 mph NE
Humidity92%
Visibility6.2 mi
Dew point27°
Tue, 1342° / 26°0Clear
42 °Clear

Waterloo, Tuesday, 13 October

Clear. High 42°, low 26°.

Pressure30.12 inHg
Wind1.6 mph SE
Humidity72%
Visibility—
Dew point30°
Wed, 1446° / 31°0Partly cloudy
46 °Partly cloudy

Waterloo, Wednesday, 14 October

Partly cloudy. High 46°, low 31°.

Pressure30.24 inHg
Wind2.3 mph E
Humidity64%
Visibility—
Dew point29°
Thu, 1555° / 32°0.01Light snow
55 °Light snow

Waterloo, Thursday, 15 October

Light snow. High 55°, low 32°.

Pressure30.33 inHg
Wind7.6 mph E
Humidity47%
Visibility—
Dew point29°
Fri, 1643° / 29°0.02Light snow
43 °Light snow

Waterloo, Friday, 16 October

Light snow. High 43°, low 29°.

Pressure30.71 inHg
Wind7.9 mph NE
Humidity28%
Visibility—
Dew point7°
Sat, 1760° / 33°0Clear
60 °Clear

Waterloo, Saturday, 17 October

Clear. High 60°, low 33°.

Pressure30.27 inHg
Wind15 mph SW
Humidity18%
Visibility—
Dew point8°
Sun, 1863° / 44°0Overcast
63 °Overcast

Waterloo, Sunday, 18 October

Overcast. High 63°, low 44°.

Pressure30.03 inHg
Wind19 mph SW
Humidity22%
Visibility—
Dew point17°
Mon, 1963° / 47°0Overcast
63 °Overcast

Waterloo, Monday, 19 October

Overcast. High 63°, low 47°.

Pressure29.97 inHg
Wind11.9 mph SW
Humidity29%
Visibility—
Dew point24°
Tue, 2067° / 48°0Overcast
67 °Overcast

Waterloo, Tuesday, 20 October

Overcast. High 67°, low 48°.

Pressure29.77 inHg
Wind16 mph W
Humidity25%
Visibility—
Dew point23°
Wed, 2155° / 41°0.02Light rain
55 °Light rain

Waterloo, Wednesday, 21 October

Light rain. High 55°, low 41°.

Pressure29.77 inHg
Wind14.1 mph NW
Humidity24%
Visibility—
Dew point18°
Thu, 2260° / 37°0Overcast
60 °Overcast

Waterloo, Thursday, 22 October

Overcast. High 60°, low 37°.

Pressure30.00 inHg
Wind25.1 mph SW
Humidity37%
Visibility—
Dew point23°
Fri, 2354° / 40°0.01Light rain
54 °Light rain

Waterloo, Friday, 23 October

Light rain. High 54°, low 40°.

Pressure29.85 inHg
Wind29.5 mph W
Humidity55%
Visibility—
Dew point35°
Sat, 2452° / 36°0Overcast
52 °Overcast

Waterloo, Saturday, 24 October

Overcast. High 52°, low 36°.

Pressure30.12 inHg
Wind16.2 mph SW
Humidity42%
Visibility—
Dew point23°
Sun, 2554° / 41°0.09Light rain
54 °Light rain

Waterloo, Sunday, 25 October

Light rain. High 54°, low 41°.

Pressure29.50 inHg
Wind29.4 mph SW
Humidity57%
Visibility—
Dew point32°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 2653° / 32°0.07Climate normal
53 °Climate normal

Waterloo, Monday, 26 October

Climate normal for this date — 60-year average.

Average high53°
Average low32°
Average precipitation0.07 in
Chance of precipitation35%
Record high69° (1999)
Record low3° (2020)
Tue, 2752° / 31°0.03Climate normal
52 °Climate normal

Waterloo, Tuesday, 27 October

Climate normal for this date — 60-year average.

Average high52°
Average low31°
Average precipitation0.03 in
Chance of precipitation20%
Record high68° (1987)
Record low6° (2023)
Wed, 2851° / 31°0.06Climate normal
51 °Climate normal

Waterloo, Wednesday, 28 October

Climate normal for this date — 60-year average.

Average high51°
Average low31°
Average precipitation0.06 in
Chance of precipitation33%
Record high69° (1987)
Record low4° (1991)
Thu, 2949° / 29°0.06Climate normal
49 °Climate normal

Waterloo, Thursday, 29 October

Climate normal for this date — 60-year average.

Average high49°
Average low29°
Average precipitation0.06 in
Chance of precipitation27%
Record high70° (1964)
Record low-7° (1991)
Fri, 3048° / 29°0.04Climate normal
48 °Climate normal

Waterloo, Friday, 30 October

Climate normal for this date — 60-year average.

Average high48°
Average low29°
Average precipitation0.04 in
Chance of precipitation28%
Record high68° (1962)
Record low-11° (1991)
Sat, 3148° / 28°0.05Climate normal
48 °Climate normal

Waterloo, Saturday, 31 October

Climate normal for this date — 60-year average.

Average high48°
Average low28°
Average precipitation0.05 in
Chance of precipitation23%
Record high67° (1988)
Record low-11° (1996)
Sun, 0148° / 29°0.04Climate normal
48 °Climate normal

Waterloo, Sunday, 1 November

Climate normal for this date — 60-year average.

Average high48°
Average low29°
Average precipitation0.04 in
Chance of precipitation23%
Record high67° (2025)
Record low-12° (2002)
Mon, 0247° / 29°0.03Climate normal
47 °Climate normal

Waterloo, Monday, 2 November

Climate normal for this date — 60-year average.

Average high47°
Average low29°
Average precipitation0.03 in
Chance of precipitation20%
Record high64° (1965)
Record low-19° (1991)
Tue, 0347° / 28°0.04Climate normal
47 °Climate normal

Waterloo, Tuesday, 3 November

Climate normal for this date — 60-year average.

Average high47°
Average low28°
Average precipitation0.04 in
Chance of precipitation18%
Record high65° (1962)
Record low-13° (1991)
Wed, 0448° / 29°0.04Climate normal
48 °Climate normal

Waterloo, Wednesday, 4 November

Climate normal for this date — 60-year average.

Average high48°
Average low29°
Average precipitation0.04 in
Chance of precipitation27%
Record high64° (1962)
Record low-11° (1973)
Thu, 0547° / 29°0.04Climate normal
47 °Climate normal

Waterloo, Thursday, 5 November

Climate normal for this date — 60-year average.

Average high47°
Average low29°
Average precipitation0.04 in
Chance of precipitation27%
Record high67° (2020)
Record low-5° (2003)
Fri, 0646° / 28°0.04Climate normal
46 °Climate normal

Waterloo, Friday, 6 November

Climate normal for this date — 60-year average.

Average high46°
Average low28°
Average precipitation0.04 in
Chance of precipitation32%
Record high66° (1999)
Record low6° (2017)
Sat, 0745° / 27°0.04Climate normal
45 °Climate normal

Waterloo, Saturday, 7 November

Climate normal for this date — 60-year average.

Average high45°
Average low27°
Average precipitation0.04 in
Chance of precipitation25%
Record high64° (2010)
Record low2° (2000)
Sun, 0844° / 27°0.07Climate normal
44 °Climate normal

Waterloo, Sunday, 8 November

Climate normal for this date — 60-year average.

Average high44°
Average low27°
Average precipitation0.07 in
Chance of precipitation37%
Record high64° (1999)
Record low4° (2022)

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 Waterloo, 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 Waterloo, 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.