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

LITTLE SNOWY (LSNM8)

Lat: 46.75128°NLon: 109.02317°WElev: 4975.0ft.

81°F

27°C

Humidity	32%
Wind Speed	SE 5 MPH
Barometer	NA
Dewpoint	48°F (9°C)
Visibility	NA
Heat Index	80°F (27°C)
Last update	17 Aug 03:40 PM MDT

More Information:

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

Extended Forecast for

9 Miles SSE Grass Range MT

This Afternoon
High: 81 °F
Chance
T-storms
Tonight
Low: 56 °F
Heavy Rain
then Partly
Cloudy
Monday
High: 84 °F
Haze then
Slight Chance
T-storms
Monday Night
Low: 61 °F
Partly Cloudy
Tuesday
High: 91 °F
Sunny
Tuesday Night
Low: 61 °F
Mostly Clear
Wednesday
High: 90 °F
Sunny
Wednesday Night
Low: 59 °F
Mostly Cloudy
Thursday
High: 76 °F
Mostly Sunny

Detailed Forecast

This Afternoon

A 40 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 81. East wind around 7 mph becoming north.

Tonight

Showers and thunderstorms likely, mainly before 9pm. Some of the storms could produce heavy rainfall. Cloudy during the early evening, then gradual clearing, with a low around 56. South southwest wind 5 to 8 mph becoming west in the evening. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Monday

A 20 percent chance of showers and thunderstorms after 3pm. Widespread haze between 10am and 11am. Sunny, with a high near 84. Light and variable wind becoming south 5 to 7 mph in the morning.

Monday Night

Partly cloudy, with a low around 61. Northeast wind around 6 mph becoming southwest in the evening.

Tuesday

Sunny, with a high near 91. South wind 5 to 8 mph.

Tuesday Night

Mostly clear, with a low around 61. Southeast wind 6 to 8 mph.

Wednesday

Sunny, with a high near 90. West southwest wind 9 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

Wednesday Night

Mostly cloudy, with a low around 59. West northwest wind around 11 mph, with gusts as high as 18 mph.

Thursday

Mostly sunny, with a high near 76.