Lewistown weather live forecast

Today's maximum temperature in Lewistown is expected to be 41°F. Select a day from the live weather forecast for Lewistown, Montana, USA for more weather parameters.

Wednesday
11th Feb
41

21

7

2
Thursday
12th Feb
43

25

10

2
Friday
13th Feb
45

28

9

2
Saturday
14th Feb
43

30

0

2
Sunday
15th Feb
43

30

0

2

5-day weather forecast updated at 04:03 on Wednesday 11th February 2026 GMT

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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 11th February 2026

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 41°F, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the south-east.

41
°F maximum temperature
21
°F minimum temperature
scattered clouds
7
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
37
°F wind chill
7
mph wind from SE

Lewistown weather for Thursday 12th February 2026

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 43°F, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-west.

43
°F maximum temperature
25
°F minimum temperature
scattered clouds
10
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
39
°F wind chill
9
mph wind from SW

Lewistown weather for Friday 13th February 2026

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 45°F, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-west.

45
°F maximum temperature
28
°F minimum temperature
scattered clouds
9
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
39
°F wind chill
9
mph wind from SW

Lewistown weather for Saturday 14th February 2026

Expect mostly cloudy with light rain in Lewistown, Montana with a maximum temperature of 43°F, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 20% chance of some rain and a gentle breeze of 11 mph from the south-west.

43
°F maximum temperature
30
°F minimum temperature
mostly cloudy with light rain
0
hours of sunshine
2
UV index (Low)
20
% chance of some rain
<2
mm of rainfall expected
37
°F wind chill
11
mph wind from SW

Lewistown weather for Sunday 15th February 2026

Expect overcast skies in Lewistown, Montana with a maximum temperature of 43°F, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the south.