Dangerous Surf and Rip Currents for most of the Atlantic Shoreline; Record Heat for the West

Hurricane Erin continues to track northward. Tropical storm force winds, storm surge conditions will increase for the Outer Banks today and portions of coastal Virginia. Life-threatening surf and rip currents along much of the east coast of the U.S. this week. Major to extreme HeatRisk with new record high temperatures are expected for many areas of the western U.S. this week. Read More >

Hazardous Weather Conditions

Severe Thunderstorm Warning until August 20, 04:15 PM MDT

Current conditions at

CW1334 Chester (C1334)

Lat: 48.51253°NLon: 110.96415°WElev: 3129.0ft.

86°F

30°C

Humidity	30%
Wind Speed	SW 3 MPH
Barometer	30.0 in (1015.92 mb)
Dewpoint	51°F (11°C)
Visibility	NA
Heat Index	84°F (29°C)
Last update	20 Aug 03:15 PM MDT

More Information:

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

Extended Forecast for

Chester MT

Severe T-storm Warning August 20, 03:40pm until August 20, 04:15pm

Click here for hazard details and duration

Severe T-storm Warning

Severe T-storm Warning August 20, 03:40pm until August 20, 04:15pm
NOW until 4:15pm Wed
Severe T-storm Warning
This Afternoon
High: 91 °F
Chance
T-storms
Tonight
Low: 51 °F
Slight Chance
T-storms then
Mostly Clear
Thursday
High: 77 °F
Sunny
Thursday Night
Low: 51 °F
Mostly Clear
Friday
High: 75 °F
Mostly Sunny
Friday Night
Low: 48 °F
Mostly Clear
Saturday
High: 78 °F
Sunny
Saturday Night
Low: 48 °F
Mostly Clear

Detailed Forecast

This Afternoon

A 40 percent chance of showers and thunderstorms, mainly before 5pm. Partly sunny, with a high near 91. West wind 8 to 10 mph, with gusts as high as 18 mph.

Tonight

A 20 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 51. Southwest wind 6 to 10 mph becoming north in the evening. Winds could gust as high as 20 mph.

Thursday

Sunny, with a high near 77. North wind around 6 mph becoming west in the afternoon.

Thursday Night

Mostly clear, with a low around 51. North northeast wind 6 to 9 mph.

Friday

Mostly sunny, with a high near 75. North wind 6 to 8 mph.

Friday Night

Mostly clear, with a low around 48. North northeast wind 6 to 9 mph.

Saturday

Sunny, with a high near 78. East wind 5 to 10 mph.

Saturday Night

Mostly clear, with a low around 48. East northeast wind 6 to 10 mph.