Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

Geyser (MTGYS)

Lat: 47.25°NLon: 110.48°WElev: 4221.0ft.

unknown precip

30°F

-1°C

Humidity 99%
Wind Speed WSW 13 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Wind Chill20°F (-7°C)
Last update 10 Oct 10:45 PM MDT
Extended Forecast for

Geraldine MT

Winter Weather Advisory October 10, 11:14pm until October 12, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory October 10, 11:14pm until October 12, 06:00am

    NOW until 6:00am Mon

    Winter Weather Advisory

  • Tonight

    Low: 29 °F

    Snow

  • Sunday

    Sunday: Snow.  High near 34. Northeast wind around 11 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Snow

  • Sunday Night

    Sunday Night: Snow before 9pm, then snow, possibly mixed with rain between 9pm and midnight, then snow after midnight.  Low around 27. Northeast wind 8 to 11 mph.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 27 °F

    Rain/Snow
    then Snow

  • Columbus Day

    Columbus Day: Snow likely before noon.  Cloudy, with a high near 35. North northeast wind 5 to 8 mph becoming light and variable  in the afternoon.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Snow Likely
    then Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 23. South wind around 5 mph becoming calm  after midnight.

    Low: 23 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 48. Calm wind.

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 28. South southwest wind around 5 mph becoming calm  after midnight.

    Low: 28 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 55. Calm wind.

    High: 55 °F

    Sunny

Detailed Forecast

Tonight
Snow. Low around 29. North northwest wind 11 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than one inch possible.
Sunday
Snow. High near 34. Northeast wind around 11 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
Snow before 9pm, then snow, possibly mixed with rain between 9pm and midnight, then snow after midnight. Low around 27. Northeast wind 8 to 11 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Columbus Day
Snow likely before noon. Cloudy, with a high near 35. North northeast wind 5 to 8 mph becoming light and variable in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday Night
Mostly cloudy, with a low around 23. South wind around 5 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 48. Calm wind.
Tuesday Night
Mostly clear, with a low around 28. South southwest wind around 5 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 55. Calm wind.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
A slight chance of rain before noon. Mostly sunny, with a high near 55.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 70.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Geraldine MT
 47.6°N 110.26°W (Elev. 3192 ft)
10:27 pm MDT Oct 10, 2026
11pm MDT Oct 10, 2026-6pm MDT Oct 17, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database