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.

45°F

7°C

Humidity	72%
Wind Speed	SE 3 MPH
Barometer	NA
Dewpoint	36°F (2°C)
Visibility	NA
Last update	18 Jun 01:39 AM MDT

More Information:

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

Extended Forecast for

18 Miles E Emigrant MT

Overnight
Low: 36 °F
Mostly Clear
Thursday
High: 59 °F
Sunny
Thursday Night
Low: 36 °F
Partly Cloudy
Juneteenth
High: 62 °F
Partly Sunny
Friday Night
Low: 45 °F
Mostly Cloudy
Saturday
High: 58 °F
Chance
Showers then
Showers
Saturday Night
Low: 42 °F
Showers then
Slight Chance
Showers
Sunday
High: 57 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 36 °F
Chance
T-storms then
Partly Cloudy

Detailed Forecast

Overnight

Mostly clear, with a low around 36. West southwest wind 3 to 5 mph.

Thursday

Sunny, with a high near 59. West northwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon.

Thursday Night

Partly cloudy, with a low around 36. West northwest wind 9 to 14 mph becoming light and variable after midnight.

Juneteenth

Partly sunny, with a high near 62. Southeast wind 5 to 11 mph becoming northwest in the morning.

Friday Night

Mostly cloudy, with a low around 45. North wind 5 to 10 mph becoming south after midnight.

Saturday

A chance of showers, then showers and possibly a thunderstorm after noon. High near 58. South wind 6 to 10 mph becoming west in the afternoon. Chance of precipitation is 90%.

Saturday Night

Showers and possibly a thunderstorm. Low around 42. West southwest wind 5 to 9 mph. Chance of precipitation is 80%.

Sunday

A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 57. Southwest wind 5 to 13 mph becoming west northwest in the afternoon.

Sunday Night

A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 36. North northwest wind 8 to 13 mph becoming light and variable after midnight.

Monday

A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 54. Light and variable wind becoming north northwest 8 to 13 mph in the morning.

Monday Night

Mostly clear, with a low around 36. North wind 6 to 13 mph becoming south southeast after midnight.

Tuesday

Sunny, with a high near 61. South southeast wind 6 to 13 mph becoming north northwest in the afternoon.

Tuesday Night

Mostly clear, with a low around 42. North wind 6 to 13 mph becoming south after midnight.

Wednesday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 63. South wind 8 to 14 mph becoming west northwest in the afternoon.