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Heat Peaks Near 100°F in Salina This Week

August 18, 2026 weather, forecast
Heat Peaks Near 100°F in Salina This Week

Salina, Kansas — The next seven days bring highs ranging from 85°F to 100°F, lows from 67°F to 73°F, rain chances focused on Wednesday, Thursday and Friday. Today's forecast is still included below, but the main story is the week ahead.

What Matters Most This Week

  • Warmest day: Today, with a high near 100°F.
  • Coolest morning: Wednesday, with a low near 67°F.
  • Rain chances: Best chances on Wednesday, Thursday and Friday; seven-day expected rainfall totals about 0.35 inches.
  • Storm watch: Thunderstorm chances appear in the forecast on Today, Wednesday, Friday, Saturday and Sunday.
  • Windiest stretch: Friday, with gusts up to 32 mph.
  • Sun safety: UV runs high on Today, Wednesday, Thursday and Friday and other days.

7-Day Forecast

DayConditionsHigh / LowRainPeak Gust
Today
8/18
Sunny then Slight Chance Showers And Thunderstorms100° / 69°15%30 mph
Wednesday
8/19
Chance Showers And Thunderstorms then Partly Sunny85° / 67°28% / 0.07"27 mph
Thursday
8/20
Sunny89° / 69°6% / 0.16"14 mph
Friday
8/21
Slight Chance Showers And Thunderstorms94° / 70°20% / 0.11"32 mph
Saturday
8/22
Slight Chance Showers And Thunderstorms then Mostly Sunny95° / 72°18% / 0.01"24 mph
Sunday
8/23
Slight Chance Showers And Thunderstorms97° / 73°15%28 mph
Monday
8/24
Mostly Sunny95° / 72°11%28 mph

Today's Details — Tuesday, August 18

  • Conditions: Sunny then Slight Chance Showers And Thunderstorms
  • High / Low: 100°F / 69°F
  • Wind: SSW 15 mph, gusts to 30 mph
  • Precipitation: 15% chance
  • UV Index: 7.65 — Very High — limit outdoor exposure
  • Sunrise / Sunset: 06:47 / 20:21
  • Daylight: 13.6 hours

What Matters Most Today

  • Wind impact: gusts up to 30 mph.
  • Sun safety: UV index reaches 7.65; sunscreen still matters even with cloud cover.
  • Best outdoor window: Midday (lowest average rain risk).

Comfort & Conditions

  • Humidity: 45%
  • Dew Point: Up to 71°F — muggy conditions

Hour-by-Hour Breakdown

  • Morning (6AM–Noon): Clear sky, 75°F, 20% chance of precipitation, winds 10 mph, 65% humidity
  • Afternoon (Noon–6PM): Clear sky, 95°F, winds 12 mph, 28% humidity
  • Evening (6PM–Midnight): Clear sky, 88°F, 16% chance of precipitation, winds 13 mph, 53% humidity

Air Quality & Allergens

  • Air Quality Index: 49 (peak 60) — Moderate
  • Acceptable air quality; some pollutants may be a concern for sensitive individuals.
  • PM2.5: 8.8 µg/m³

Forecast data provided by Open-Meteo. Air quality data from Open-Meteo Air Quality API. For severe weather alerts, visit your local National Weather Service office.

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