Lewistown, MT Weather Forecast
Local 7-day forecast
Patchy Fog then Light Rain
Track current conditions, temperature changes, wind, and the full daily outlook for Lewistown, MT in one place.
Patchy fog before 9am, then rain. Cloudy. High near 50, with temperatures falling to around 44 in the afternoon. East wind around 6 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Lewistown, 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: Oct 31, 2026 8:49 AM MDT.
The active forecast window currently covers Nov 1 to Nov 6, 2026 for Lewistown, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 1 to Nov 6, 2026
- Latest sync
- Oct 31, 2026 8:49 AM MDT
- Forecast office
- TFX
- Source
- NOAA / NWS
Daily Outlook
This Week in Lewistown
Tuesday looks like the warmest upcoming period in Lewistown at 56 degrees F.
Monday Night is the coolest period ahead with temperatures near 28 degrees F.
The strongest winds are forecast for Sunday Night at about 7 to 12 mph NNW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 31, 2026 8:49 AM MDT
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- TFX
- Radar station
- KBLX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Rain before 11pm, then rain and snow between 11pm and 2am, then rain and snow. Cloudy, with a low around 30. North northwest wind 7 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 100%.
A chance of rain and snow before 11am. Mostly sunny, with a high near 45. West southwest wind 0 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Mostly clear, with a low around 28. South wind 0 to 7 mph.
Mostly sunny, with a high near 56. Southwest wind 1 to 7 mph.
Mostly cloudy, with a low around 32. Southwest wind 1 to 5 mph.
Mostly sunny, with a high near 51.
Partly cloudy, with a low around 30.
Mostly sunny, with a high near 52.
Partly cloudy, with a low around 31.
Mostly sunny, with a high near 52.
Partly cloudy, with a low around 31.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Nov 1
|
Patchy Fog then Light Rain
|
50°F |
6 mph
E
|
|
Sunday Night
Nov 1
|
Rain And Snow
|
30°F |
7 to 12 mph
NNW
|
|
Monday
Nov 2
|
Chance Rain And Snow then Mostly Sunny
|
45°F |
0 to 12 mph
WSW
|
|
Monday Night
Nov 2
|
Mostly Clear
|
28°F |
0 to 7 mph
S
|
|
Tuesday
Nov 3
|
Mostly Sunny
|
56°F |
1 to 7 mph
SW
|
|
Tuesday Night
Nov 3
|
Mostly Cloudy
|
32°F |
1 to 5 mph
SW
|
|
Wednesday
Nov 4
|
Mostly Sunny
|
51°F |
3 mph
W
|
|
Wednesday Night
Nov 4
|
Partly Cloudy
|
30°F |
2 to 6 mph
SSW
|
|
Thursday
Nov 5
|
Mostly Sunny
|
52°F |
5 mph
SW
|
|
Thursday Night
Nov 5
|
Partly Cloudy
|
31°F |
2 to 6 mph
WSW
|
|
Friday
Nov 6
|
Mostly Sunny
|
52°F |
5 mph
SW
|
|
Friday Night
Nov 6
|
Partly Cloudy
|
31°F |
2 to 7 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lewistown.
Nearby forecast pages are not available for this location yet.
