Lewistown weather live forecast

Today's maximum temperature in Lewistown is expected to be 1°C. Select a day from the live weather forecast for Lewistown, Montana, USA for more weather parameters.

Sunday
22nd Feb
1

-12

4

3
Monday
23rd Feb
7

-1

3

3
Tuesday
24th Feb
3

-3

1

2
Wednesday
25th Feb
3

-3

7

2
Thursday
26th Feb
7

-2

8

2

5-day weather forecast updated at 04:05 on Sunday 22nd February 2026 GMT

More about Lewistown

Lewistown by month

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

Recommended for Montana

GO Airport Shuttle discount code: 5% off airport transfers

Discount Code

Save EXTRA 5% on airport transfers worldwide
Book private taxis & shuttle buses with discount code
Enter in coupon box on 'Reservations' page

Show discount code

******WEB

Redeem GO Airport Shuttle discount code >>

Expires at 23:59 on Thursday 31st Dec 2026

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 Sunday 22nd February 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 1°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-east.

1
°C maximum temperature
-12
°C minimum temperature
broken clouds
4
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
-3
°C wind chill
19
kph wind from SE

Lewistown weather for Monday 23rd February 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 7°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the south-west.

7
°C maximum temperature
-1
°C minimum temperature
broken clouds
3
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
3
°C wind chill
25
kph wind from SW

Lewistown weather for Tuesday 24th February 2026

Expect mostly cloudy with light snow in Lewistown, Montana with a maximum temperature of 3°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 2-5 cm of snow expected with 44% chance of some snow and a moderate breeze of 22 kph from the west.

3
°C maximum temperature
-3
°C minimum temperature
mostly cloudy with light snow
1
hour of sunshine
2
UV index (Low)
44
% chance of some snow
<5
cm of snow expected
-1
°C wind chill
22
kph wind from W

Lewistown weather for Wednesday 25th February 2026

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 3°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 36 kph from the west.

3
°C maximum temperature
-3
°C minimum temperature
scattered clouds
7
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
-4
°C wind chill
36
kph wind from W

Lewistown weather for Thursday 26th February 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 7°C, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 36 kph from the west.