National Weather Service United States Department of Commerce

Flash flooding possible across southern Plains

A wet weather system continues across the southern U.S., with abundant moisture brining heavy rain and a risk of flash flooding to parts of the southern Plains on Wednesday. The heaviest rain will fall across Oklahoma, though flood watches and warnings are in effect eastern Colorado to western Arkansas. The flash flood threat should diminish on Thursday, as the system weakens over Texas.
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Current Conditions

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11 Miles NNE Helena MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Late
Afternoon

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

High: 92 °F

Tonight

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

Low: 55 °F

Thursday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 93 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 55 °F

Friday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 91 °F

Friday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 57 °F

Saturday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 89 °F

Saturday
Night

Chance Thunderstorms

Chance
Thunderstorms

Low: 55 °F

Sunday

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

High: 88 °F

Detailed Forecast

  • Late Afternoon Isolated showers and thunderstorms. Mostly sunny, with a high near 92. Light southeast wind. Chance of precipitation is 20%.
  • Tonight Isolated showers and thunderstorms before midnight. Partly cloudy, with a low around 55. Calm wind becoming west southwest around 5 mph in the evening. Chance of precipitation is 20%.
  • Thursday A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 93. South wind around 6 mph becoming light and variable.
  • Thursday Night Partly cloudy, with a low around 55. North wind around 6 mph becoming light and variable after midnight.
  • Friday A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. Light and variable wind becoming south around 5 mph.
  • Friday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 57.
  • Saturday A 30 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 89.
  • Saturday Night A chance of showers and thunderstorms. Partly cloudy, with a low around 55.
  • Sunday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88.
  • Sunday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 53.
  • Monday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88.
  • Monday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 54.
  • Tuesday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89.
  • Tuesday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 54.
  • Wednesday A slight chance of showers and thunderstorms. Partly sunny, with a high near 92.