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.

Friday
6th Feb
61

32

10

2
Saturday
7th Feb
59

41

7

2
Sunday
8th Feb
57

39

0

2
Monday
9th Feb
39

27

0

1
Tuesday
10th Feb
39

23

10

2

5-day weather forecast updated at 04:06 on Friday 6th 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 Friday 6th February 2026

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 61°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.

61
°F maximum temperature
32
°F minimum temperature
scattered clouds
10
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
61
°F wind chill
9
mph wind from SW

Lewistown weather for Saturday 7th February 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 59°F, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 16 mph from the west.

59
°F maximum temperature
41
°F minimum temperature
broken clouds
7
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
16
mph wind from W

Lewistown weather for Sunday 8th February 2026

Expect mostly cloudy with light rain in Lewistown, Montana with a maximum temperature of 57°F, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 85% chance of some rain and a moderate breeze of 13 mph from the south-west.

57
°F maximum temperature
39
°F minimum temperature
mostly cloudy with light rain
0
hours of sunshine
2
UV index (Low)
85
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
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 39°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of sleet/snow expected with 58% chance of some sleet or snow and a moderate breeze of 12 mph from the north-west.

39
°F maximum temperature
27
°F minimum temperature
cloudy with sleet or snow
0
hours of sunshine
1
UV index (Low)
58
% chance of some sleet or snow
<20
mm of sleet/snow expected
32
°F wind chill
12
mph wind from NW

Lewistown weather for Tuesday 10th February 2026

Expect clear skies with flurries of snow in Lewistown, Montana with a maximum temperature of 39°F, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 0-2 cm of snow expected with 16% chance of some snow and a gentle breeze of 9 mph from the south-west.