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

Heavy Rainfall Continues in Hawaii; Severe Thunderstorms and Heavy Rainfall in the Plains and Southern Appalachians

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorms and heavy rainfall will shift into the southern Appalachians today. Strong to severe thunderstorms may produce large hail, scattered wind gusts, and heavy rain today across the northern and central Plains. Read More >

Current conditions at

Big Timber Airport (K6S0)

Lat: 45.80647°NLon: 109.97826°WElev: 4494.0ft.

Clear

81°F

27°C

Humidity 26%
Wind Speed SW 12 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 17 Aug 02:15 PM MDT
Extended Forecast for

9 Miles ESE Big Timber MT

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 84. West wind 5 to 11 mph.

    High: 84 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 55. Northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 55 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 3pm. Mostly sunny, with a high near 85. Calm wind becoming north northwest 5 to 9 mph in the afternoon.

    High: 85 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 8pm. Mostly cloudy, with a low around 53. Southwest wind 3 to 7 mph.

    Low: 53 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 88. West wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. West northwest wind 10 to 15 mph becoming light west southwest in the evening.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 92. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 92 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. Northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 88. Light and variable wind becoming east 5 to 10 mph in the afternoon.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 84. West wind 5 to 11 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 55. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 3pm. Mostly sunny, with a high near 85. Calm wind becoming north northwest 5 to 9 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers before 8pm. Mostly cloudy, with a low around 53. Southwest wind 3 to 7 mph.
Wednesday
Sunny, with a high near 88. West wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 54. West northwest wind 10 to 15 mph becoming light west southwest in the evening.
Thursday
Sunny and hot, with a high near 92. Calm wind becoming west northwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 57. Northwest wind 5 to 8 mph becoming calm after midnight.
Friday
Mostly sunny, with a high near 88. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 59. East wind 6 to 11 mph becoming light and variable after midnight.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 57. West wind 5 to 8 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Light west wind increasing to 5 to 9 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ESE Big Timber MT
 45.76°N 109.78°W (Elev. 3999 ft)
Last Update:
1:03 pm MDT Aug 17, 2026
Forecast Valid:
2pm MDT Aug 17, 2026-6pm MDT Aug 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation