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Vandalia, MT Weather Forecast | 5 Day

Updated: Sat Sep 26th 2026 7:15 AM MDT

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Sunny

Sat 9-26-26

Sunny with a high of 65°F and a low of 54°F. There's a very small chance of rainfall, only about 2%. Winds will be strong at speeds peaking at 23mph and gusts of 29.3mph at 9 AM. Humidity levels should be comfortable, sitting around 36% on average, the maximum being 46% at 8 AM and 24% being its lowest at 5 PM. Barometric pressure is its highest of 29.95^inHg at 11 PM, a lowest point of 29.8^inHg at 8 AM with an avg 29.85^inHg.

HI: 65°F
LO: 54°F

Rainfall: 2%
Snowfall: 0%

Wind
22.4 mph
Humidity
36% avg.

UV Index
4
Air Quality
Good

Sunrise
06:58 AM
Sunset
06:56 PM

Moonrise
06:40 PM
Moonset
07:05 AM
Moon Phase
Full Moon

Overcast

Weather Tomorrow, Sun 9-27-26

Overcast with a high of 63°F and a low of 47°F. There's a very small chance of rainfall, only about 9% with an estimated 0in. Wind will be moderate, blowing around 12mph on average and gusts of 19.2mph at 11 AM. Humidity levels should be comfortable, sitting around 41% on average, the maximum being 63% at 7 AM and 29% being its lowest at 4 PM. Barometric pressure is its highest of 30.06^inHg at 8 AM, a lowest point of 29.87^inHg at 11 PM with an avg 29.97^inHg.

HI: 63°F
LO: 47°F

Rainfall: 9% | est. 0in
Snowfall: 0%

Wind
11.4 mph
Humidity
41% avg.

UV Index
2.8
Air Quality
Good

Sunrise
06:59 AM
Sunset
06:54 PM

Moonrise
06:56 PM
Moonset
08:15 AM
Moon Phase
Waning Gibbous

Overcast

Mon 9-28-26

Overcast with a high of 67°F and a low of 52°F. There's a very small chance of rainfall, only about 7%. Wind will be moderate, blowing around 11mph on average and gusts of 20.8mph at 12 AM. Humidity levels should be comfortable, sitting around 45% on average, the maximum being 58% at 5 AM and 31% being its lowest at 5 PM. Barometric pressure is its highest of 29.85^inHg at 12 AM, a lowest point of 29.79^inHg at 6 PM with an avg 29.82^inHg.

HI: 67°F
LO: 52°F

Rainfall: 7%
Snowfall: 0%

Wind
10.1 mph
Humidity
45% avg.

UV Index
3.4
Air Quality
Good

Sunrise
07:01 AM
Sunset
06:52 PM

Moonrise
07:14 PM
Moonset
09:28 AM
Moon Phase
Waning Gibbous

Sunny

Tue 9-29-26

Sunny with a high of 74°F and a low of 51°F. There's a very small chance of rainfall, only about 1%. Wind will be moderate, blowing around 18mph on average and gusts of 24.9mph at 8 AM. Humidity levels should be comfortable, sitting around 38% on average, the maximum being 64% at 8 AM and 16% being its lowest at 5 PM. Barometric pressure is its highest of 29.82^inHg at 12 AM, a lowest point of 29.56^inHg at 5 PM with an avg 29.69^inHg.

HI: 74°F
LO: 51°F

Rainfall: 1%
Snowfall: 0%

Wind
17.9 mph
Humidity
38% avg.

UV Index
3.9
Air Quality
Good

Sunrise
07:02 AM
Sunset
06:50 PM

Moonrise
07:38 PM
Moonset
10:44 AM
Moon Phase
Waning Gibbous

Sunny

Wed 9-30-26

Sunny with a high of 68°F and a low of 46°F. There's a very small chance of rainfall, only about 2%. Winds will be strong at speeds peaking at 29mph and gusts of 38.1mph at 3 PM. Humidity levels should be comfortable, sitting around 40% on average, the maximum being 60% at 9 PM and 28% being its lowest at 12 PM. Barometric pressure is its highest of 29.94^inHg at 11 PM, a lowest point of 29.59^inHg at 3 AM with an avg 29.71^inHg.

HI: 68°F
LO: 46°F

Rainfall: 2%
Snowfall: 0%

Wind
28.6 mph
Humidity
40% avg.

UV Index
5
Air Quality
Good

Sunrise
07:04 AM
Sunset
06:48 PM

Moonrise
08:09 PM
Moonset
12:02 PM
Moon Phase
Waning Gibbous

Overcast

Thu 10-1-26

Overcast with a high of 58°F and a low of 43°F. There's a very small chance of rainfall, only about 5%. Wind will be moderate, blowing around 14mph on average and gusts of 29.1mph at 12 AM. Humidity levels should be comfortable, sitting around 44% on average, the maximum being 63% at 6 AM and 28% being its lowest at 3 PM. Barometric pressure is its highest of 30.02^inHg at 9 AM, a lowest point of 29.92^inHg at 5 PM with an avg 29.97^inHg.

HI: 58°F
LO: 43°F

Rainfall: 5%
Snowfall: 0%

Wind
13.4 mph
Humidity
44% avg.

UV Index
4
Air Quality
TBA

Sunrise
07:05 AM
Sunset
06:45 PM

Moonrise
08:52 PM
Moonset
01:16 PM
Moon Phase
Last Quarter

Vandalia, MT Weather Forecast - 10 Day Detailed

This 5-Day weather forecast is valid for ZIP code 59273, accurately covering the area of Vandalia, MT.

Currently

	55°F	29.78 inHg. Barometer 43% Humidity WNW 23.8 mph Wind
Sunny

Full Report

National Outlook

Intense Nor'easter Brings Coastal Flooding to the Mid-Atlantic and Northeast 09-26 to 09-28

Sat Sep 26th 2026, 1:35am PDT

Read

Nor'easter and Heavy Rain Threats Upcoming 09-29 to 10-03

Extended Forecast
Sat Sep 26th 2026, 1:36am PDT

Read

5 Day Forecast Nearby

Montana

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