textproduct: Glasgow

KEY MESSAGES

- An isolated shower or stray thunderstorm cannot be ruled out this evening, but most places will remain dry.

- A warming trend is expected over the next several days into the weekend.

- Unsettled weather may yet again emerge this weekend with shower chances returning to the forecast.

DISCUSSION

WEATHER PATTERN OVERVIEW:

Through the balance of the week into Friday, expect upper ridging to begin to take hold across the region with dry weather conditions and warming temperatures. NBM mean temperature guidance supports highs on Friday well into the 60s and 70s.

Over the weekend, more ensemble spread begins to emerge. While the western CONUS ridge will remain in place, it may exhibit some flattening, leaving eastern Montana under northwest flow aloft. This may allow embedded disturbances and light shower chances to return, though otherwise a continuation of mild temperatures.

FORECAST CONFIDENCE & DEVIATIONS:

Winds were nudged a bit beyond NBM for the near term reflecting current conditions and observations and near term trends. Otherwise, NBM and ensemble consensus leads to high confidence supporting mainly dry conditions into Friday with warming temperatures. There is reduced confidence on shower chances this weekend or early next week with a growing spread in model solutions.

AVIATION

Last Updated: Wednesday April 29, 2026 at 1915Z.

Flight Category: VFR.

Discussion: An isolated shower cannot be ruled out this afternoon or evening, but most places will remain dry.

Winds: North at 10 to 15 kts, occasionally gusting to 20 kts this afternoon. WInds will become light and variable after 03Z Thursday.

GGW WATCHES/WARNINGS/ADVISORIES

None.