Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

SHENANGO (SGOM8)

Lat: 45.45964°NLon: 111.24447°WElev: 5391.0ft.

NA

49°F

9°C

Humidity 100%
Wind Speed ENE 1 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 15 Aug 12:39 AM MDT
Extended Forecast for

Gallatin Gateway MT

  • Overnight

    Overnight: A 20 percent chance of showers before 2am.  Mostly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 4pm.  Mostly cloudy, then gradually becoming sunny, with a high near 75. Calm wind becoming north around 5 mph in the afternoon.

    High: 75 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms, mainly before 10pm.  Cloudy, then gradually becoming partly cloudy, with a low around 49. South southwest wind around 6 mph becoming light and variable  after midnight.

    Low: 49 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 77. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight.  Mostly cloudy, with a low around 50. West northwest wind around 6 mph becoming south after midnight.  Chance of precipitation is 30%.

    Low: 50 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 79. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 79 °F

    Partly Sunny

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm, then showers after midnight.  Low around 52. Northwest wind 5 to 7 mph becoming south in the evening.  Chance of precipitation is 80%.

    Low: 52 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 75. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 75 °F

    Showers
    Likely then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 48. Calm wind.
Saturday
A 40 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 75. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
A 50 percent chance of showers and thunderstorms, mainly before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 49. South southwest wind around 6 mph becoming light and variable after midnight.
Sunday
Mostly sunny, with a high near 77. Calm wind becoming northwest around 6 mph in the afternoon.
Sunday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 50. West northwest wind around 6 mph becoming south after midnight. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 79. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.
Monday Night
Showers likely and possibly a thunderstorm, then showers after midnight. Low around 52. Northwest wind 5 to 7 mph becoming south in the evening. Chance of precipitation is 80%.
Tuesday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 75. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.
Tuesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Gallatin Gateway MT
 45.59°N 111.19°W (Elev. 4997 ft)
12:31 am MDT Aug 15, 2026
1am MDT Aug 15, 2026-6pm MDT Aug 21, 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