Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

MAIN BOULDER (MBRM8)

Lat: 45.45813°NLon: 110.19768°WElev: 5405.0ft.

58°F

14°C

Humidity	47%
Wind Speed	E 0 MPH
Barometer	NA
Dewpoint	38°F (3°C)
Visibility	NA
Last update	17 Jun 08:39 PM MDT

More Information:

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

Extended Forecast for

20 Miles NW Silver Gate MT

Tonight
Low: 32 °F
Mostly Clear
Thursday
High: 61 °F
Sunny
Thursday Night
Low: 33 °F
Partly Cloudy
Juneteenth
High: 68 °F
Mostly Sunny
Friday Night
Low: 41 °F
Mostly Cloudy
Saturday
High: 61 °F
Chance
Showers then
Showers
Saturday Night
Low: 37 °F
Showers then
Slight Chance
Showers
Sunday
High: 59 °F
Chance
Showers then
Showers
Likely
Sunday Night
Low: 34 °F
Chance
T-storms then
Partly Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 32. Northwest wind 5 to 9 mph becoming light west northwest after midnight.

Thursday

Sunny, with a high near 61. West wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon.

Thursday Night

Partly cloudy, with a low around 33. Northwest wind 5 to 11 mph becoming east northeast after midnight.

Juneteenth

Mostly sunny, with a high near 68. East wind 5 to 14 mph becoming west in the afternoon.

Friday Night

Mostly cloudy, with a low around 41. West northwest wind 5 to 13 mph becoming south southeast after midnight.

Saturday

A chance of showers, then showers and possibly a thunderstorm after noon. High near 61. West southwest wind 5 to 10 mph. Chance of precipitation is 90%.

Saturday Night

Showers and possibly a thunderstorm before midnight, then a slight chance of showers. Low around 37. West wind 3 to 8 mph. Chance of precipitation is 80%.

Sunday

A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 59. Light west northwest wind becoming west 6 to 11 mph in the morning. Chance of precipitation is 60%.

Sunday Night

A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 34. Northwest wind 5 to 10 mph becoming light and variable after midnight.

Monday

A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 59. Light and variable wind becoming northwest 9 to 14 mph in the morning. Chance of precipitation is 30%.

Monday Night

Mostly clear, with a low around 34. North northwest wind 5 to 13 mph becoming east after midnight.

Tuesday

Sunny, with a high near 66. East southeast wind 5 to 14 mph becoming west in the afternoon.

Tuesday Night

Partly cloudy, with a low around 38. West northwest wind 5 to 13 mph becoming east southeast after midnight.

Wednesday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 68. South southeast wind 5 to 14 mph becoming west in the afternoon.