Lewistown weather live forecast

Today's maximum temperature in Lewistown is expected to be 61°F. Select a day from the live weather forecast for Lewistown, Montana, USA for more weather parameters.

Saturday
7th Feb
61

43

6

2
Sunday
8th Feb
57

39

0

2
Monday
9th Feb
43

27

0

1
Tuesday
10th Feb
41

21

10

2
Wednesday
11th Feb
43

21

3

2

5-day weather forecast updated at 04:05 on Saturday 7th 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 Saturday 7th February 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 61°F, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 17 mph from the west.

61
°F maximum temperature
43
°F minimum temperature
broken clouds
6
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
61
°F wind chill
17
mph wind from W

Lewistown weather for Sunday 8th February 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 57°F, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 13 mph from the south-west.

57
°F maximum temperature
39
°F minimum temperature
broken clouds
0
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
57
°F wind chill
13
mph wind from SW

Lewistown weather for Monday 9th February 2026

Expect cloudy with sleet or snow in Lewistown, Montana with a maximum temperature of 43°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 mm of sleet/snow expected with 52% chance of some sleet or snow and a gentle breeze of 11 mph from the west.

43
°F maximum temperature
27
°F minimum temperature
cloudy with sleet or snow
0
hours of sunshine
1
UV index (Low)
52
% chance of some sleet or snow
<2
mm of sleet/snow expected
36
°F wind chill
11
mph wind from W

Lewistown weather for Tuesday 10th February 2026

Expect clear skies with flurries of snow in Lewistown, Montana with a maximum temperature of 41°F, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 0-2 cm of snow expected with 4% chance of some snow and a gentle breeze of 8 mph from the south-west.

41
°F maximum temperature
21
°F minimum temperature
clear skies with flurries of snow
10
hours of sunshine
2
UV index (Low)
4
% chance of some snow
<2
cm of snow expected
36
°F wind chill
8
mph wind from SW

Lewistown weather for Wednesday 11th February 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 43°F, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the south.