Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Hazardous Weather Conditions

Flood Watch in effect from August 13, 02:00 PM MDT until August 14, 12:00 AM MDT

Current conditions at

Helmville MT-200 MP 53.3 (MTHLM)

Lat: 46.96826°NLon: 112.97487°WElev: 4199.0ft.

unknown precip

60°F

16°C

Humidity	55%
Wind Speed	ESE 19 MPH
Barometer	NA
Dewpoint	44°F (7°C)
Visibility	NA
Last update	13 Aug 01:15 PM MDT

More Information:

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

Extended Forecast for

8 Miles SSE Helmville MT

Flood Watch August 13, 02:00pm until August 14, 12:00am

Click here for hazard details and duration

Flood Watch

This Afternoon
High: 62 °F
Chance
T-storms
Tonight
Low: 48 °F
Showers
Likely then
Chance Rain
Friday
High: 54 °F
Showers
Friday Night
Low: 46 °F
Chance
T-storms then
Partly Cloudy
Saturday
High: 64 °F
Mostly Sunny
Saturday Night
Low: 48 °F
Slight Chance
T-storms then
Partly Cloudy
Sunday
High: 67 °F
Sunny
Sunday Night
Low: 50 °F
Slight Chance
T-storms then
Mostly Cloudy
Monday
High: 66 °F
Partly Sunny
then Slight
Chance
T-storms

Detailed Forecast

This Afternoon

A 50 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 62. Northeast wind 6 to 8 mph.

Tonight

Rain and thunderstorms likely before 2am, then a chance of rain after 4am. Patchy smoke before 11pm, then patchy smoke after 3am. Mostly cloudy, with a low around 48. East southeast wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Rain and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 54. East southeast wind 5 to 8 mph becoming northeast in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

A chance of rain and thunderstorms before 10pm, then a slight chance of rain between 10pm and 11pm. Mostly cloudy, with a low around 46. East wind around 6 mph. Chance of precipitation is 40%.

Saturday

Mostly sunny, with a high near 64. East southeast wind around 6 mph becoming calm.

Saturday Night

A slight chance of showers and thunderstorms before 9pm, then a slight chance of rain between 9pm and midnight. Partly cloudy, with a low around 48. Chance of precipitation is 20%.

Sunday

Sunny, with a high near 67.

Sunday Night

A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50.

Monday

A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 66.

Monday Night

A chance of showers and thunderstorms before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 49.

Tuesday

A chance of rain and thunderstorms. Partly sunny, with a high near 63.

Tuesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 48.