Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Big Timber Airport (K6S0)

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

Clear

77°F

25°C

Humidity	33%
Wind Speed	NNE 5 MPH
Barometer	30.07 in (1018.29 mb)
Dewpoint	46°F (8°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	17 Aug 12:05 PM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

3 Miles NE Martinsdale MT

This Afternoon
High: 82 °F
Showers
Likely
Tonight
Low: 49 °F
Chance
T-storms then
Areas Smoke
Monday
High: 85 °F
Areas Smoke
then Sunny
Monday Night
Low: 54 °F
Partly Cloudy
Tuesday
High: 91 °F
Hot
Tuesday Night
Low: 55 °F
Mostly Clear
Wednesday
High: 91 °F
Hot
Wednesday Night
Low: 53 °F
Partly Cloudy
Thursday
High: 81 °F
Sunny

Detailed Forecast

This Afternoon

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 82. South wind 7 to 10 mph becoming west. Chance of precipitation is 60%.

Tonight

A 50 percent chance of showers and thunderstorms, mainly before 8pm. Areas of smoke after 3am. Cloudy, then gradually becoming partly cloudy, with a low around 49. North northwest wind 7 to 10 mph becoming south in the evening.

Monday

Areas of smoke before 9am. Sunny, with a high near 85. West northwest wind 6 to 13 mph becoming south in the morning.

Monday Night

Partly cloudy, with a low around 54. Southwest wind 6 to 10 mph becoming east northeast in the evening.

Tuesday

Sunny and hot, with a high near 91. Southwest wind 6 to 10 mph.

Tuesday Night

Mostly clear, with a low around 55. Southwest wind 6 to 10 mph becoming northeast after midnight.

Wednesday

Sunny and hot, with a high near 91. West wind 8 to 14 mph.

Wednesday Night

Partly cloudy, with a low around 53. West northwest wind 9 to 14 mph.