Argenta, MT Weather Forecast

Local 7-day forecast

66°
F

Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Argenta, MT in one place.

Tuesday, September 15, 2026
Wind: 2 to 7 mph SW
Tuesday

Sunny, with a high near 66. Southwest wind 2 to 7 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Argenta, MT is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 14, 2026 9:14 PM MDT.

The active forecast window currently covers Sep 15 to Sep 21, 2026 for Argenta, MT.

Page Snapshot

Page focus
city weather
Forecast window
Sep 15 to Sep 21, 2026
Latest sync
Sep 14, 2026 9:14 PM MDT
Forecast office
TFX
Source
NOAA / NWS
Next High
66°F
Tuesday
Next Low
40°F
Tuesday Night
Rain Outlook
5
Periods mentioning precipitation
Windiest
2 to 12 mph
Wednesday Night

Daily Outlook

Today
Sep 15
Sunny
66 °F
/ 40°F
Wind 2 to 7 mph
Wed
Sep 16
Sunny
66 °F
/ 43°F
Wind 3 to 10 mph
Thu
Sep 17
Mostly Sunny then Chance Showers And Thunderstorms
70 °F
/ 47°F
Wind 2 to 8 mph
Fri
Sep 18
Chance Rain Showers
65 °F
/ 42°F
Wind 5 to 8 mph
Sat
Sep 19
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
65 °F
/ 41°F
Wind 7 mph
Sun
Sep 20
Sunny
67 °F
/ 43°F
Wind 7 mph
Mon
Sep 21
Sunny
70 °F
Wind 5 to 8 mph

This Week in Argenta

Thursday looks like the warmest upcoming period in Argenta at 70 degrees F.

Tuesday Night is the coolest period ahead with temperatures near 40 degrees F.

The strongest winds are forecast for Wednesday Night at about 2 to 12 mph NE.

Precipitation is mentioned in 5 upcoming forecast periods.

Forecast Details

Last updated
Sep 14, 2026 9:14 PM MDT
Coverage
7 days
Time zone
America/Denver
Forecast office
TFX
Radar station
KMSX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Tuesday Night
Sep 15
40°F
Partly Cloudy
3 to 7 mph NW

Partly cloudy, with a low around 40. Northwest wind 3 to 7 mph.

Wednesday
Sep 16
66°F
Sunny
3 to 10 mph NE

Sunny, with a high near 66. Northeast wind 3 to 10 mph, with gusts as high as 20 mph.

Wednesday Night
Sep 16
43°F
Partly Cloudy
2 to 12 mph NE

Partly cloudy, with a low around 43. Northeast wind 2 to 12 mph, with gusts as high as 22 mph.

Thursday
Sep 17
70°F
Mostly Sunny then Chance Showers And Thunderstorms
2 to 8 mph SE

A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70. Southeast wind 2 to 8 mph. Chance of precipitation is 40%.

Thursday Night
Sep 17
47°F
Showers And Thunderstorms Likely
5 to 9 mph WNW

Showers and thunderstorms likely. Mostly cloudy, with a low around 47. West northwest wind 5 to 9 mph.

Friday
Sep 18
65°F
Chance Rain Showers
5 to 8 mph WSW

A chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 65. West southwest wind 5 to 8 mph.

Friday Night
Sep 18
42°F
Chance Rain Showers
7 mph WNW

A chance of rain showers. Partly cloudy, with a low around 42.

Saturday
Sep 19
65°F
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
7 mph WSW

A slight chance of rain showers before noon, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 65.

Saturday Night
Sep 19
41°F
Partly Cloudy
7 mph WNW

Partly cloudy, with a low around 41.

Sunday
Sep 20
67°F
Sunny
7 mph SW

Sunny, with a high near 67.

Sunday Night
Sep 20
43°F
Mostly Clear
2 to 6 mph NNW

Mostly clear, with a low around 43.

Monday
Sep 21
70°F
Sunny
5 to 8 mph SW

Sunny, with a high near 70.

Detailed Forecast

Period Conditions Temp Wind
Tuesday
Sep 15
Sunny
66°F
2 to 7 mph
SW
Tuesday Night
Sep 15
Partly Cloudy
40°F
3 to 7 mph
NW
Wednesday
Sep 16
Sunny
66°F
3 to 10 mph
NE
Wednesday Night
Sep 16
Partly Cloudy
43°F
2 to 12 mph
NE
Thursday
Sep 17
Mostly Sunny then Chance Showers And Thunderstorms
70°F
2 to 8 mph
SE
Thursday Night
Sep 17
Showers And Thunderstorms Likely
47°F
5 to 9 mph
WNW
Friday
Sep 18
Chance Rain Showers
65°F
5 to 8 mph
WSW
Friday Night
Sep 18
Chance Rain Showers
42°F
7 mph
WNW
Saturday
Sep 19
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
65°F
7 mph
WSW
Saturday Night
Sep 19
Partly Cloudy
41°F
7 mph
WNW
Sunday
Sep 20
Sunny
67°F
7 mph
SW
Sunday Night
Sep 20
Mostly Clear
43°F
2 to 6 mph
NNW
Monday
Sep 21
Sunny
70°F
5 to 8 mph
SW
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.