Lewistown weather live forecast

Today's maximum temperature in Lewistown is expected to be 4°C. Select a day from the live weather forecast for Lewistown, Montana, USA for more weather parameters.

Wednesday
25th Feb
4

-1

10

2
Thursday
26th Feb
6

-1

6

3
Friday
27th Feb
6

-4

1

3
Saturday
28th Feb
-4

-10

2

3
Sunday
1st Mar
3

-9

11

3

5-day weather forecast updated at 04:05 on Wednesday 25th 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 Wednesday 25th February 2026

Expect cloudy with sleet or snow in Lewistown, Montana with a maximum temperature of 4°C, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 0-2 mm of sleet/snow expected with 7% chance of some sleet or snow and a fresh breeze of 37 kph from the west.

4
°C maximum temperature
-1
°C minimum temperature
cloudy with sleet or snow
10
hours of sunshine
2
UV index (Low)
7
% chance of some sleet or snow
<2
mm of sleet/snow expected
-2
°C wind chill
37
kph wind from W

Lewistown weather for Thursday 26th February 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 6°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 38 kph from the west.

6
°C maximum temperature
-1
°C minimum temperature
broken clouds
6
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
°C wind chill
38
kph wind from W

Lewistown weather for Friday 27th February 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 6°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 31 kph from the west.

6
°C maximum temperature
-4
°C minimum temperature
broken clouds
1
hour of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
1
°C wind chill
31
kph wind from W

Lewistown weather for Saturday 28th February 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of -4°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 14 kph from the east.

-4
°C maximum temperature
-10
°C minimum temperature
broken clouds
2
hours of sunshine
3
UV index (Moderate)
0
cm of snow expected
-9
°C wind chill
14
kph wind from E

Lewistown weather for Sunday 1st March 2026

Expect clear skies in Lewistown, Montana with a maximum temperature of 3°C, maximum UV of 3 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south.