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SCN26-50: Discontinuation of the State Forecast Product (SFP) for all NWS Central Region, Southern Region, and Western Region Offices: Effective June 29, 2026
The Regional Temperatures and Precipitation Product for the State of Montana (RTPMT) will now be discontinued on July 7, 2026.

Current conditions at

CW1334 Chester (C1334)

Lat: 48.51253°NLon: 110.96415°WElev: 3133.33ft.

59°F

15°C

Humidity	52%
Wind Speed	SW 4 MPH
Barometer	30.31 in (1026.41 mb)
Dewpoint	41°F (5°C)
Visibility	NA
Last update	14 Jun 09:16 AM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Chester MT

Today
High: 72 °F
Sunny
Tonight
Low: 45 °F
Partly Cloudy
Monday
High: 78 °F
Slight Chance
T-storms then
Partly Sunny
Monday Night
Low: 52 °F
Mostly Cloudy
Tuesday
High: 83 °F
Partly Sunny
then Mostly
Sunny and
Breezy
Tuesday Night
Low: 47 °F
Showers and
Breezy
Wednesday
High: 68 °F
Chance
Showers
Wednesday Night
Low: 43 °F
Partly Cloudy
Thursday
High: 72 °F
Sunny

Detailed Forecast

Today

Sunny, with a high near 72. Calm wind becoming west southwest around 6 mph in the afternoon.

Tonight

Partly cloudy, with a low around 45. West wind around 5 mph becoming calm in the evening.

Monday

A slight chance of showers and thunderstorms between 9am and 10am. Partly sunny, with a high near 78. Northwest wind 3 to 7 mph. Chance of precipitation is 20%.

Monday Night

Mostly cloudy, with a low around 52. North northwest wind around 5 mph becoming light and variable in the evening.

Tuesday

Mostly sunny, with a high near 83. Breezy, with a west wind 5 to 10 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 36 mph.

Tuesday Night

Showers and possibly a thunderstorm. Low around 47. Breezy, with a northwest wind 21 to 26 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 80%.

Wednesday

A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 68. Northwest wind 11 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.

Wednesday Night

Partly cloudy, with a low around 43. Northwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

Thursday

Sunny, with a high near 72.

Thursday Night

Partly cloudy, with a low around 46.

Juneteenth

Mostly sunny, with a high near 76.

Friday Night

Partly cloudy, with a low around 49.

Saturday

A slight chance of showers. Partly sunny, with a high near 76.