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

17 Miles WSW Nye MT

Overnight
Low: 30 °F
Partly Cloudy
Thursday
High: 50 °F
Sunny
Thursday Night
Low: 30 °F
Partly Cloudy
Juneteenth
High: 53 °F
Partly Sunny
Friday Night
Low: 40 °F
Mostly Cloudy
Saturday
High: 48 °F
Chance
Showers then
Showers
Saturday Night
Low: 36 °F
Showers then
Slight Chance
Showers
Sunday
High: 47 °F
Slight Chance
Rain/Snow
then
Rain/Snow
Likely
Sunday Night
Low: 32 °F
Chance
T-storms then
Slight Chance
Showers

Detailed Forecast

Overnight

Partly cloudy, with a low around 30. West wind 8 to 10 mph.

Thursday

Sunny, with a high near 50. West wind 10 to 20 mph.

Thursday Night

Partly cloudy, with a low around 30. West northwest wind 15 to 20 mph becoming southeast 9 to 14 mph after midnight.

Juneteenth

Partly sunny, with a high near 53. South southwest wind 8 to 13 mph becoming west in the afternoon.

Friday Night

Mostly cloudy, with a low around 40. West wind 10 to 14 mph becoming northeast in the evening.

Saturday

A chance of showers, then showers and possibly a thunderstorm after noon. High near 48. West wind 9 to 13 mph. Chance of precipitation is 90%.

Saturday Night

Showers and possibly a thunderstorm before midnight, then a slight chance of showers. Low around 36. West wind around 11 mph. Chance of precipitation is 80%.

Sunday

Rain likely, possibly mixed with snow showers, mainly after noon. Some thunder is also possible. Partly sunny, with a high near 47. West southwest wind 10 to 13 mph. Chance of precipitation is 60%.

Sunday Night

A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 32. West northwest wind 7 to 13 mph becoming south southwest after midnight. Chance of precipitation is 40%.

Monday

A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 45. West southwest wind 6 to 13 mph becoming north northwest in the afternoon. Chance of precipitation is 50%.

Monday Night

Partly cloudy, with a low around 31. North northwest wind 9 to 14 mph becoming south southeast after midnight.

Tuesday

Sunny, with a high near 52. South wind 9 to 14 mph becoming northwest in the afternoon.

Tuesday Night

Mostly clear, with a low around 36. North northwest wind 9 to 14 mph becoming south after midnight.

Wednesday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 53. South southwest wind 10 to 15 mph becoming west in the afternoon.