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

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

ONION PARK (ONPM8)

Lat: 46.91348°NLon: 110.8536°WElev: 7410.0ft.

NA

55°F

13°C

Humidity NA
Wind Speed NA NA MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

Neihart MT

  • Tonight

    Tonight: Widespread haze after 5am. Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Haze

  • Saturday

    Saturday: Widespread haze before noon. Sunny, with a high near 80. Calm wind becoming west southwest 5 to 7 mph in the morning. Winds could gust as high as 18 mph.

    High: 80 °F

    Haze then
    Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 55. West northwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. Mostly sunny, with a high near 76. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 40%.

    High: 76 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 53. Northwest wind around 5 mph becoming light and variable in the evening.

    Low: 53 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A slight chance of showers and thunderstorms between noon and 3pm, then a slight chance of showers after 3pm. Mostly sunny, with a high near 78. Light and variable wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 78 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. West wind around 5 mph becoming light and variable in the evening.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. Light and variable wind becoming west southwest around 6 mph in the afternoon.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Widespread haze after 5am. Mostly clear, with a low around 56. Calm wind.
Saturday
Widespread haze before noon. Sunny, with a high near 80. Calm wind becoming west southwest 5 to 7 mph in the morning. Winds could gust as high as 18 mph.
Saturday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 55. West northwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. Mostly sunny, with a high near 76. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 40%.
Sunday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 53. Northwest wind around 5 mph becoming light and variable in the evening.
Monday
A slight chance of showers and thunderstorms between noon and 3pm, then a slight chance of showers after 3pm. Mostly sunny, with a high near 78. Light and variable wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 57. West wind around 5 mph becoming light and variable in the evening.
Tuesday
Sunny, with a high near 84. Light and variable wind becoming west southwest around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 52.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Neihart MT
 46.95°N 110.74°W (Elev. 5696 ft)
Last Update:
6:59 pm MDT Aug 15, 2025
Forecast Valid:
11pm MDT Aug 15, 2025-6pm MDT Aug 22, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation