Weather in Harlem

Red Flag Warning issued May 13 at 12:16AM MDT until May 13 at 9:00PM MDT by NWS Great Falls MT

Areas: Hill and Blaine Counties

13/05/2026, 00:16:00 → 13/05/2026, 15:30:00

* AFFECTED AREA...Hill and Blaine Counties. * TIMING...Noon today through 9 PM MST. * WINDS...South to southwesterly 20 to 30 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 14 percent. * TEMPERATURES...Up to 92. * THUNDERSTORMS...Scattered showers and thunderstorms capable of producing localized wind gusts between 60 and 80 mph will move in from the southwest during the mid- afternoon to early evening hours. * IMPACTS...Any fires that develop will spread rapidly. Outdoor burning is not recommended.

High Wind Warning issued May 12 at 11:48PM MDT until May 15 at 12:00AM MDT by NWS Great Falls MT

Areas: Hill County; Northern Blaine County; Western and Central Chouteau County; Bears Paw Mountains and Southern Blaine; Fergus County below 4500ft; Snowy and Judith Mountains

12/05/2026, 23:48:00 → 13/05/2026, 17:15:00

* WHAT...Westerly winds 30 to 40 mph with gusts up to 70 mph expected. * WHERE...Snowy and Judith Mountains, Bears Paw Mountains and Southern Blaine, Fergus County below 4500ft, Hill County, Northern Blaine County, and Western and Central Chouteau County. * WHEN...From 3 AM Thursday to midnight MDT Thursday Night. * IMPACTS...High winds may move loose debris, damage property and cause isolated power outages. Travel could be difficult, especially for high profile vehicles.

High Wind Warning issued May 12 at 10:53PM MDT until May 15 at 12:00AM MDT by NWS Glasgow MT

Areas: Central and Southeast Phillips; Central and Southern Valley; Petroleum; Garfield; Northern Phillips; Southwest Phillips; Northern Valley

12/05/2026, 22:53:00 → 13/05/2026, 18:00:00

* WHAT...West winds 35 to 45 mph with gusts up to 65 mph expected. * WHERE...Central and Southeast Phillips, Central and Southern Valley, Garfield, Northern Phillips, Northern Valley, Petroleum, and Southwest Phillips Counties. * WHEN...From 4 PM Wednesday to midnight MDT Thursday Night. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles.

Red Flag Warning issued May 13 at 1:58AM MDT until May 13 at 9:00PM MDT by NWS Glasgow MT

Areas: Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties; Dawson/McCone/Prairie/Richland/Wibaux Counties; Northern Valley and Northern Phillips Counties; The Little Rockies; The Lower Missouri River Breaks including the Charles M Russell National Wildlife Refuge; Southern Petroleum and Southern Garfield Counties

13/05/2026, 01:58:00 → 13/05/2026, 17:00:00

* AFFECTED AREA...Fire weather zones 120, 122, 134, 135, 136, and 137. * WIND...Southeast at 15 to 30 mph with gusts to 40 mph. * HUMIDITY...As low as 12 percent. * THUNDERSTORMS...Moderate confidence of isolated to scattered late-day thunderstorms. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended.