National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Geyser (MTGYS)

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

NA

69°F

21°C

Humidity 37%
Wind Speed SSW 13 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 29 Aug 03:30 AM MDT
Extended Forecast for

Geraldine MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 60. Southwest wind around 6 mph.

    Low: 60 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 79. West southwest wind 5 to 9 mph becoming east in the afternoon. Chance of precipitation is 60%.

    High: 79 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms before 5am, then showers likely. Low around 51. Southwest wind 7 to 13 mph. Chance of precipitation is 80%.

    Low: 51 °F

    Showers

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 2pm. Mostly cloudy, with a high near 67. Breezy, with a west wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 70%.

    High: 67 °F

    Showers
    Likely then
    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47. Breezy, with a west wind 16 to 22 mph, with gusts as high as 31 mph.

    Low: 47 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 76. West southwest wind 7 to 17 mph, with gusts as high as 24 mph.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51. Northwest wind 6 to 8 mph becoming east southeast in the evening.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Calm wind becoming east around 6 mph in the afternoon.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers before midnight. Partly cloudy, with a low around 54.

    Low: 54 °F

    Slight Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 60. Southwest wind around 6 mph.
Saturday
A chance of showers before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 79. West southwest wind 5 to 9 mph becoming east in the afternoon. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms before 5am, then showers likely. Low around 51. Southwest wind 7 to 13 mph. Chance of precipitation is 80%.
Sunday
Showers and thunderstorms likely, mainly before 2pm. Mostly cloudy, with a high near 67. Breezy, with a west wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 70%.
Sunday Night
Mostly clear, with a low around 47. Breezy, with a west wind 16 to 22 mph, with gusts as high as 31 mph.
Monday
Sunny, with a high near 76. West southwest wind 7 to 17 mph, with gusts as high as 24 mph.
Monday Night
Mostly clear, with a low around 51. Northwest wind 6 to 8 mph becoming east southeast in the evening.
Tuesday
Sunny, with a high near 86. Calm wind becoming east around 6 mph in the afternoon.
Tuesday Night
A slight chance of showers before midnight. Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 50.
Friday
A slight chance of showers. Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Geraldine MT
 47.6°N 110.26°W (Elev. 3192 ft)
Last Update:
3:37 am MDT Aug 29, 2026
Forecast Valid:
3am MDT Aug 29, 2026-6pm MDT Sep 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation