Critical Fire Weather Threats in the West; Storms in the High Plains; Flash Flood Risk in the Mid-Atlantic

Critical fire weather conditions persist across portions of the Northwest, Northern Rockies and Great Basin. Severe thunderstorms with large hail and a few strong gusts are possible across parts of the northern and central Plains. Heavy rainfall brings a flash flooding risk to the Mid-Atlantic. Heat builds in the Southwest into California this week. Read More >

Hazardous Weather Conditions

Red Flag Warning in effect from August 12, 11:00 AM MDT until August 13, 12:00 AM MDT

En Español

Current conditions at

Henry's Lake (ITD55)

Lat: 44.61831°NLon: 111.33548°WElev: 6617ft.

65°F

18°C

Humidity	36%
Wind Speed	ESE 6 MPH
Barometer	1011.85 mb
Dewpoint	37°F (3°C)
Visibility	1.24 mi
Last update	11 Aug 09:45 PM MDT

More Information:

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

Extended Forecast for

10 Miles WNW West Yellowstone MT

Red Flag Warning August 12, 11:00am until August 13, 12:00am

Click here for hazard details and duration

Red Flag Warning

Tonight

Mostly Clear
Low: 48 °F
Wednesday

Mostly Sunny
then Chance
Showers
High: 68 °F
Wednesday
Night

Slight Chance
T-storms and
Breezy then
Mostly Cloudy
Low: 47 °F
Thursday

Mostly Sunny
then Chance
Showers
High: 62 °F
Thursday
Night

Mostly Cloudy
and Breezy
then Mostly
Clear
Low: 43 °F
Friday

Sunny
High: 64 °F
Friday
Night

Mostly Clear
Low: 44 °F
Saturday

Sunny
High: 67 °F
Saturday
Night

Clear
Low: 46 °F

Detailed Forecast

Tonight

Mostly clear, with a low around 48. West southwest wind around 10 mph.

Wednesday

A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 68. South southwest wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.

Wednesday Night

A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 47. Breezy, with a west wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

Thursday

A 30 percent chance of showers after noon. Mostly sunny, with a high near 62. Southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

Thursday Night

Partly cloudy, with a low around 43. Breezy, with a southwest wind 18 to 23 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 30 mph.

Friday

Sunny, with a high near 64. Southwest wind 7 to 14 mph, with gusts as high as 24 mph.

Friday Night

Mostly clear, with a low around 44. Southwest wind 9 to 13 mph becoming north northwest after midnight. Winds could gust as high as 24 mph.

Saturday

Sunny, with a high near 67. Northwest wind 6 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph.

Saturday Night

Clear, with a low around 46.

Sunday

Sunny, with a high near 69.

Sunday Night

Mostly clear, with a low around 50.