Chapman, MT Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Chapman, MT in one place.
Partly sunny, with a high near 60. East northeast wind 0 to 9 mph.
Local Weather Overview
This forecast page for Chapman, 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 9:17 PM MDT.
The active forecast window currently covers Sep 15 to Sep 21, 2026 for Chapman, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 21, 2026
- Latest sync
- Sep 14, 2026 9:17 PM MDT
- Forecast office
- GGW
- Source
- NOAA / NWS
Daily Outlook
This Week in Chapman
Monday looks like the warmest upcoming period in Chapman at 71 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 42 degrees F.
The strongest winds are forecast for Monday at about 3 to 15 mph SSE.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 14, 2026 9:17 PM MDT
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- GGW
- Radar station
- KGGW
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Rain showers likely after midnight. Cloudy, with a low around 43. East northeast wind around 9 mph. Chance of precipitation is 70%.
Partly sunny, with a high near 61. North wind 7 to 10 mph.
Mostly clear, with a low around 42. South southeast wind around 5 mph.
Sunny, with a high near 69. South southeast wind 6 to 14 mph, with gusts as high as 23 mph.
Partly cloudy, with a low around 47. East wind 2 to 8 mph.
A slight chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 70. Northeast wind 2 to 8 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48. Northeast wind 2 to 8 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly sunny, with a high near 68. East southeast wind 3 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
A chance of rain showers before midnight. Partly cloudy, with a low around 47. South southeast wind 5 to 9 mph.
Mostly sunny, with a high near 69.
Partly cloudy, with a low around 44.
Sunny, with a high near 71.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Sep 15
|
Partly Sunny
|
60°F |
0 to 9 mph
ENE
|
|
Tuesday Night
Sep 15
|
Cloudy then Rain Showers Likely
|
43°F |
9 mph
ENE
|
|
Wednesday
Sep 16
|
Partly Sunny
|
61°F |
7 to 10 mph
N
|
|
Wednesday Night
Sep 16
|
Mostly Clear
|
42°F |
5 mph
SSE
|
|
Thursday
Sep 17
|
Sunny
|
69°F |
6 to 14 mph
SSE
|
|
Thursday Night
Sep 17
|
Partly Cloudy
|
47°F |
2 to 8 mph
E
|
|
Friday
Sep 18
|
Chance Showers And Thunderstorms
|
70°F |
2 to 8 mph
NE
|
|
Friday Night
Sep 18
|
Chance Showers And Thunderstorms
|
48°F |
2 to 8 mph
NE
|
|
Saturday
Sep 19
|
Chance Showers And Thunderstorms
|
68°F |
3 to 10 mph
ESE
|
|
Saturday Night
Sep 19
|
Chance Rain Showers then Partly Cloudy
|
47°F |
5 to 9 mph
SSE
|
|
Sunday
Sep 20
|
Mostly Sunny
|
69°F |
3 to 8 mph
SW
|
|
Sunday Night
Sep 20
|
Partly Cloudy
|
44°F |
3 to 8 mph
SE
|
|
Monday
Sep 21
|
Sunny
|
71°F |
3 to 15 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Chapman.