Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. this week. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England today. Read More >

Hazardous Weather Conditions

Fire Weather Watch in effect from August 1, 02:00 PM MDT until August 2, 09:00 PM MDT

Current conditions at

Boulder Hill I-15 MP 170.9 (MTBOU)

Lat: 46.3233°NLon: 112.06891°WElev: 5593.0ft.

85°F

29°C

Humidity	19%
Wind Speed	SW 12 MPH
Barometer	NA
Dewpoint	38°F (3°C)
Visibility	NA
Heat Index	82°F (28°C)
Last update	29 Jul 02:45 PM MDT

More Information:

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

Extended Forecast for

3 Miles NNW Boulder MT

Fire Weather Watch August 1, 02:00pm until August 2, 09:00pm

Click here for hazard details and duration

Fire Weather Watch

Tonight
Low: 57 °F
Chance
Showers then
Patchy Smoke
Thursday
High: 86 °F
Patchy Smoke
then Slight
Chance
T-storms
Thursday Night
Low: 57 °F
Slight Chance
T-storms then
Mostly Clear
Friday
High: 88 °F
Sunny
Friday Night
Low: 60 °F
Mostly Clear
Saturday
High: 93 °F
Sunny
Saturday Night
Low: 55 °F
Mostly Clear
and Breezy
Sunday
High: 80 °F
Sunny
Sunday Night
Low: 47 °F
Clear and
Breezy then
Clear

Detailed Forecast

Tonight

A 50 percent chance of showers and thunderstorms before 8pm. Patchy smoke before 7pm, then patchy smoke after 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 57. East northeast wind 5 to 8 mph becoming light and variable after midnight.

Thursday

A slight chance of showers and thunderstorms between 3pm and 5pm. Patchy smoke before 2pm, then patchy smoke after 3pm. Sunny, with a high near 86. South wind 3 to 7 mph. Chance of precipitation is 20%.

Thursday Night

A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Patchy smoke before 7pm. Partly cloudy, with a low around 57. North northwest wind 5 to 7 mph becoming west in the evening. Chance of precipitation is 20%.

Friday

Sunny, with a high near 88. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

Friday Night

Mostly clear, with a low around 60. North northwest wind 5 to 7 mph becoming calm in the evening.

Saturday

Sunny, with a high near 93. Southwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph.

Saturday Night

Mostly clear, with a low around 55. Breezy, with a west northwest wind 24 to 29 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 39 mph.

Sunday

Sunny, with a high near 80. West wind 8 to 18 mph, with gusts as high as 28 mph.

Sunday Night

Clear, with a low around 47. Breezy.

Monday

Sunny, with a high near 73.

Monday Night

Mostly clear, with a low around 48.

Tuesday

Sunny, with a high near 79.

Tuesday Night

Clear, with a low around 51.