Harlowton, MT Weather Forecast
Local 7-day forecast
Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Harlowton, MT in one place.
Rain showers. Cloudy. High near 56, with temperatures falling to around 54 in the afternoon. West northwest wind 25 to 30 mph, with gusts as high as 43 mph. Chance of precipitation is 80%.
Local Weather Overview
This forecast page for Harlowton, 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: May 30, 2026 9:44 AM MDT.
The active forecast window currently covers May 31 to Jun 5, 2026 for Harlowton, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 31 to Jun 5, 2026
- Latest sync
- May 30, 2026 9:44 AM MDT
- Forecast office
- BYZ
- Source
- NOAA / NWS
Daily Outlook
This Week in Harlowton
Friday looks like the warmest upcoming period in Harlowton at 77 degrees F.
Monday Night is the coolest period ahead with temperatures near 39 degrees F.
The strongest winds are forecast for Sunday at about 25 to 30 mph WNW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- May 30, 2026 9:44 AM MDT
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- BYZ
- Radar station
- KBLX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers. Mostly cloudy, with a low around 40. West northwest wind 14 to 23 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms between noon and 3pm, then a chance of showers and thunderstorms. Partly sunny. High near 63, with temperatures falling to around 61 in the afternoon. West northwest wind 13 to 16 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 39. Northwest wind 5 to 14 mph. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms after noon. Mostly sunny. High near 68, with temperatures falling to around 66 in the afternoon. West wind 5 to 14 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 41. Northwest wind 5 to 15 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70. West northwest wind 5 to 10 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms. Mostly cloudy. Low around 44, with temperatures rising to around 46 overnight. Northeast wind 3 to 14 mph. Chance of precipitation is 40%.
A slight chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 70. Northwest wind 5 to 13 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before midnight. Partly cloudy. Low around 43, with temperatures rising to around 45 overnight. West northwest wind 5 to 13 mph. Chance of precipitation is 40%.
Sunny, with a high near 77. South southwest wind 6 to 14 mph.
Mostly clear. Low around 46, with temperatures rising to around 48 overnight. East southeast wind 5 to 15 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
May 31
|
Rain Showers
|
56°F |
25 to 30 mph
WNW
|
|
Sunday Night
May 31
|
Chance Rain Showers
|
40°F |
14 to 23 mph
WNW
|
|
Monday
Jun 1
|
Partly Sunny then Chance Showers And Thunderstorms
|
63°F |
13 to 16 mph
WNW
|
|
Monday Night
Jun 1
|
Chance Showers And Thunderstorms
|
39°F |
5 to 14 mph
NW
|
|
Tuesday
Jun 2
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
68°F |
5 to 14 mph
W
|
|
Tuesday Night
Jun 2
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
41°F |
5 to 15 mph
NW
|
|
Wednesday
Jun 3
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
70°F |
5 to 10 mph
WNW
|
|
Wednesday Night
Jun 3
|
Chance Showers And Thunderstorms
|
44°F |
3 to 14 mph
NE
|
|
Thursday
Jun 4
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
70°F |
5 to 13 mph
NW
|
|
Thursday Night
Jun 4
|
Chance Showers And Thunderstorms then Partly Cloudy
|
43°F |
5 to 13 mph
WNW
|
|
Friday
Jun 5
|
Sunny
|
77°F |
6 to 14 mph
SSW
|
|
Friday Night
Jun 5
|
Mostly Clear
|
46°F |
5 to 15 mph
ESE
|
Nearby Forecasts
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