Lewistown weather live forecast

Today's maximum temperature in Lewistown is expected to be 52°F. Select a day from the live weather forecast for Lewistown, Montana, USA for more weather parameters.

Wednesday
24th Dec
52

36

4

1
Thursday
25th Dec
46

34

3

1
Friday
26th Dec
48

34

2

1
Saturday
27th Dec
36

7

5

1
Sunday
28th Dec
34

9

8

1

5-day weather forecast updated at 04:03 on Wednesday 24th December 2025 GMT

More about Lewistown

Lewistown by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Montana

Travelbag: up to 50% off 2026 holidays

Sale

Save up to 50% on 2026 holidays & tours with Travelbag
Book selected stays in popular destinations around the world
Travel between 1st Jan & 31st Dec 2026 (inclusive)

Go to Travelbag deal >>

Expires at 23:59 on Saturday 31st Jan 2026 · View all Travelbag offers

The 5-day weather forecast for Montana (Lewistown) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Lewistown weather forecast by day

Below are the detailed weather forecasts for Lewistown for the next 5 days.

Lewistown weather for Wednesday 24th December 2025

Expect broken clouds in Lewistown, Montana with a maximum temperature of 52°F, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-east.

52
°F maximum temperature
36
°F minimum temperature
broken clouds
4
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
52
°F wind chill
9
mph wind from SE

Lewistown weather for Thursday 25th December 2025

Expect mostly cloudy with light rain in Lewistown, Montana with a maximum temperature of 46°F, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a gentle breeze of 11 mph from the south-west.

46
°F maximum temperature
34
°F minimum temperature
mostly cloudy with light rain
3
hours of sunshine
1
UV index (Low)
33
% chance of some rain
<2
mm of rainfall expected
43
°F wind chill
11
mph wind from SW

Lewistown weather for Friday 26th December 2025

Expect mostly cloudy with light rain in Lewistown, Montana with a maximum temperature of 48°F, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 18% chance of some rain and a moderate breeze of 16 mph from the south-west.

48
°F maximum temperature
34
°F minimum temperature
mostly cloudy with light rain
2
hours of sunshine
1
UV index (Low)
18
% chance of some rain
<2
mm of rainfall expected
43
°F wind chill
16
mph wind from SW

Lewistown weather for Saturday 27th December 2025

Expect clear skies with flurries of snow in Lewistown, Montana with a maximum temperature of 36°F, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0-2 cm of snow expected with 31% chance of some snow and a fresh breeze of 19 mph from the north-west.

36
°F maximum temperature
7
°F minimum temperature
clear skies with flurries of snow
5
hours of sunshine
1
UV index (Low)
31
% chance of some snow
<2
cm of snow expected
23
°F wind chill
19
mph wind from NW

Lewistown weather for Sunday 28th December 2025

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 34°F, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the south-west.