National Weather Service forecast

Roundup, Montana Weather

29°Overnight: Patchy Fog
Wind SW 5 mph
7-DayHourlyRadar

Roundup 7-Day Forecast

  1. Overnight
    29°F
    Patchy Fog

    Patchy fog. Mostly clear, with a low around 29. Southwest wind around 5 mph.

  2. Wednesday
    54°F
    Patchy Fog then Sunny

    Patchy fog before 8am. Sunny. High near 54, with temperatures falling to around 47 in the afternoon. Southeast wind 1 to 5 mph.

  3. Wednesday Night
    29°F
    Patchy Fog

    Patchy fog between 11pm and 5am. Partly cloudy, with a low around 29. West southwest wind 0 to 8 mph.

  4. Thursday
    58°F
    Mostly Sunny
    4% chance of precipitation

    Mostly sunny. High near 58, with temperatures falling to around 51 in the afternoon. West southwest wind 2 to 12 mph.

  5. Thursday Night
    34°F
    Partly Cloudy
    6% chance of precipitation

    Partly cloudy, with a low around 34. West wind 1 to 6 mph.

  6. Friday
    57°F
    Sunny

    Sunny. High near 57, with temperatures falling to around 51 in the afternoon. West southwest wind 6 to 18 mph.

  7. Friday Night
    36°F
    Partly Cloudy

    Partly cloudy. Low around 36, with temperatures rising to around 38 overnight. West southwest wind 8 to 12 mph.

  8. Saturday
    62°F
    Sunny

    Sunny. High near 62, with temperatures falling to around 52 in the afternoon. Southwest wind 5 to 10 mph.

  9. Saturday Night
    36°F
    Mostly Clear

    Mostly clear. Low around 36, with temperatures rising to around 38 overnight. South southwest wind 3 to 13 mph.

  10. Sunday
    65°F
    Mostly Sunny

    Mostly sunny. High near 65, with temperatures falling to around 57 in the afternoon. West southwest wind 8 to 16 mph.

  11. Sunday Night
    37°F
    Mostly Cloudy
    3% chance of precipitation

    Mostly cloudy, with a low around 37. West wind 3 to 8 mph.

  12. Monday
    59°F
    Mostly Sunny
    1% chance of precipitation

    Mostly sunny. High near 59, with temperatures falling to around 52 in the afternoon. Southwest wind around 6 mph.

  13. Monday Night
    35°F
    Partly Cloudy
    1% chance of precipitation

    Partly cloudy, with a low around 35. South southeast wind 1 to 7 mph.

  14. Tuesday
    62°F
    Mostly Sunny

    Mostly sunny. High near 62, with temperatures falling to around 56 in the afternoon. West southwest wind 6 to 10 mph.

Issued by the National Weather Service (BYZ office), updated .

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About Roundup

Population (2020 Census)
1,742
Coordinates
46.448, -108.540
Elevation
3,219 ft
NWS forecast office
BYZ
Time zone
America/Denver
Sunrise today
6:59 AM MST
Sunset today
4:55 PM MST
Daylight today
9 h 56 min

Roundup Weather Questions

What is the weather forecast for Roundup, Montana?

Overnight: Patchy fog. Mostly clear, with a low around 29. Southwest wind around 5 mph. Wednesday: Patchy fog before 8am. Sunny. High near 54, with temperatures falling to around 47 in the afternoon. Southeast wind 1 to 5 mph.

Will it rain or snow in Roundup this week?

Not much. The highest chance of precipitation in the 7-day forecast is 6%, Thursday Night.

How warm and how cold will it get in Roundup this week?

The warmest day is Sunday, with a high near 65°F. The coldest night is Overnight, with a low near 29°F.

What time are sunrise and sunset in Roundup today?

Sunrise is at 6:59 AM MST and sunset is at 4:55 PM MST, for 9 h 56 min of daylight.

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